diff options
Diffstat (limited to 'drivers/gpu')
98 files changed, 1251 insertions, 1210 deletions
diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile index be43afb08c69..e3dba6f44a79 100644 --- a/drivers/gpu/drm/Makefile +++ b/drivers/gpu/drm/Makefile @@ -8,7 +8,7 @@ drm-y := drm_auth.o drm_bufs.o drm_cache.o \ drm_lock.o drm_memory.o drm_drv.o drm_vm.o \ drm_scatter.o drm_pci.o \ drm_platform.o drm_sysfs.o drm_hashtab.o drm_mm.o \ - drm_crtc.o drm_modes.o drm_edid.o \ + drm_crtc.o drm_fourcc.o drm_modes.o drm_edid.o \ drm_info.o drm_debugfs.o drm_encoder_slave.o \ drm_trace_points.o drm_global.o drm_prime.o \ drm_rect.o drm_vma_manager.o drm_flip_work.o \ @@ -23,7 +23,8 @@ drm-$(CONFIG_AGP) += drm_agpsupport.o drm_kms_helper-y := drm_crtc_helper.o drm_dp_helper.o drm_probe_helper.o \ drm_plane_helper.o drm_dp_mst_topology.o drm_atomic_helper.o \ - drm_kms_helper_common.o drm_dp_dual_mode_helper.o + drm_kms_helper_common.o drm_dp_dual_mode_helper.o \ + drm_simple_kms_helper.o drm_kms_helper-$(CONFIG_DRM_LOAD_EDID_FIRMWARE) += drm_edid_load.o drm_kms_helper-$(CONFIG_DRM_FBDEV_EMULATION) += drm_fb_helper.o diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c index 0b5f3accb1e4..a6eecf6f9065 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c @@ -268,7 +268,7 @@ int amdgpu_crtc_page_flip(struct drm_crtc *crtc, return 0; vblank_cleanup: - drm_crtc_vblank_put(&amdgpu_crtc->base); + drm_crtc_vblank_put(crtc); pflip_cleanup: if (unlikely(amdgpu_bo_reserve(new_rbo, false) != 0)) { diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c index 112e358f0f9b..c1b04e9aab57 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v10_0.c @@ -2719,13 +2719,13 @@ static void dce_v10_0_crtc_dpms(struct drm_crtc *crtc, int mode) type = amdgpu_crtc_idx_to_irq_type(adev, amdgpu_crtc->crtc_id); amdgpu_irq_update(adev, &adev->crtc_irq, type); amdgpu_irq_update(adev, &adev->pageflip_irq, type); - drm_vblank_on(dev, amdgpu_crtc->crtc_id); + drm_crtc_vblank_on(crtc); dce_v10_0_crtc_load_lut(crtc); break; case DRM_MODE_DPMS_STANDBY: case DRM_MODE_DPMS_SUSPEND: case DRM_MODE_DPMS_OFF: - drm_vblank_off(dev, amdgpu_crtc->crtc_id); + drm_crtc_vblank_off(crtc); if (amdgpu_crtc->enabled) { dce_v10_0_vga_enable(crtc, true); amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE); diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c index b522fa2435a8..c90408bc0fde 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v11_0.c @@ -2730,13 +2730,13 @@ static void dce_v11_0_crtc_dpms(struct drm_crtc *crtc, int mode) type = amdgpu_crtc_idx_to_irq_type(adev, amdgpu_crtc->crtc_id); amdgpu_irq_update(adev, &adev->crtc_irq, type); amdgpu_irq_update(adev, &adev->pageflip_irq, type); - drm_vblank_on(dev, amdgpu_crtc->crtc_id); + drm_crtc_vblank_on(crtc); dce_v11_0_crtc_load_lut(crtc); break; case DRM_MODE_DPMS_STANDBY: case DRM_MODE_DPMS_SUSPEND: case DRM_MODE_DPMS_OFF: - drm_vblank_off(dev, amdgpu_crtc->crtc_id); + drm_crtc_vblank_off(crtc); if (amdgpu_crtc->enabled) { dce_v11_0_vga_enable(crtc, true); amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE); diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c index b50ed72feedb..300ff4aab0fd 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c @@ -2626,13 +2626,13 @@ static void dce_v8_0_crtc_dpms(struct drm_crtc *crtc, int mode) type = amdgpu_crtc_idx_to_irq_type(adev, amdgpu_crtc->crtc_id); amdgpu_irq_update(adev, &adev->crtc_irq, type); amdgpu_irq_update(adev, &adev->pageflip_irq, type); - drm_vblank_on(dev, amdgpu_crtc->crtc_id); + drm_crtc_vblank_on(crtc); dce_v8_0_crtc_load_lut(crtc); break; case DRM_MODE_DPMS_STANDBY: case DRM_MODE_DPMS_SUSPEND: case DRM_MODE_DPMS_OFF: - drm_vblank_off(dev, amdgpu_crtc->crtc_id); + drm_crtc_vblank_off(crtc); if (amdgpu_crtc->enabled) { dce_v8_0_vga_enable(crtc, true); amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE); diff --git a/drivers/gpu/drm/arc/arcpgu.h b/drivers/gpu/drm/arc/arcpgu.h index 329ac7570911..e8fcf3ab1d9a 100644 --- a/drivers/gpu/drm/arc/arcpgu.h +++ b/drivers/gpu/drm/arc/arcpgu.h @@ -22,7 +22,6 @@ struct arcpgu_drm_private { struct clk *clk; struct drm_fbdev_cma *fbdev; struct drm_framebuffer *fb; - struct list_head event_list; struct drm_crtc crtc; struct drm_plane *plane; }; diff --git a/drivers/gpu/drm/arc/arcpgu_crtc.c b/drivers/gpu/drm/arc/arcpgu_crtc.c index 92f8beff8e60..ee0a61c2861b 100644 --- a/drivers/gpu/drm/arc/arcpgu_crtc.c +++ b/drivers/gpu/drm/arc/arcpgu_crtc.c @@ -145,20 +145,14 @@ static int arc_pgu_crtc_atomic_check(struct drm_crtc *crtc, static void arc_pgu_crtc_atomic_begin(struct drm_crtc *crtc, struct drm_crtc_state *state) { - struct arcpgu_drm_private *arcpgu = crtc_to_arcpgu_priv(crtc); - unsigned long flags; - - if (crtc->state->event) { - struct drm_pending_vblank_event *event = crtc->state->event; + struct drm_pending_vblank_event *event = crtc->state->event; + if (event) { crtc->state->event = NULL; - event->pipe = drm_crtc_index(crtc); - - WARN_ON(drm_crtc_vblank_get(crtc) != 0); - spin_lock_irqsave(&crtc->dev->event_lock, flags); - list_add_tail(&event->base.link, &arcpgu->event_list); - spin_unlock_irqrestore(&crtc->dev->event_lock, flags); + spin_lock_irq(&crtc->dev->event_lock); + drm_crtc_send_vblank_event(crtc, event); + spin_unlock_irq(&crtc->dev->event_lock); } } diff --git a/drivers/gpu/drm/arc/arcpgu_drv.c b/drivers/gpu/drm/arc/arcpgu_drv.c index 07c1bdeca489..381c5fcbf903 100644 --- a/drivers/gpu/drm/arc/arcpgu_drv.c +++ b/drivers/gpu/drm/arc/arcpgu_drv.c @@ -32,17 +32,11 @@ static void arcpgu_fb_output_poll_changed(struct drm_device *dev) drm_fbdev_cma_hotplug_event(arcpgu->fbdev); } -static int arcpgu_atomic_commit(struct drm_device *dev, - struct drm_atomic_state *state, bool async) -{ - return drm_atomic_helper_commit(dev, state, false); -} - static struct drm_mode_config_funcs arcpgu_drm_modecfg_funcs = { .fb_create = drm_fb_cma_create, .output_poll_changed = arcpgu_fb_output_poll_changed, .atomic_check = drm_atomic_helper_check, - .atomic_commit = arcpgu_atomic_commit, + .atomic_commit = drm_atomic_helper_commit, }; static void arcpgu_setup_mode_config(struct drm_device *drm) @@ -81,22 +75,6 @@ static const struct file_operations arcpgu_drm_ops = { .mmap = arcpgu_gem_mmap, }; -static void arcpgu_preclose(struct drm_device *drm, struct drm_file *file) -{ - struct arcpgu_drm_private *arcpgu = drm->dev_private; - struct drm_pending_vblank_event *e, *t; - unsigned long flags; - - spin_lock_irqsave(&drm->event_lock, flags); - list_for_each_entry_safe(e, t, &arcpgu->event_list, base.link) { - if (e->base.file_priv != file) - continue; - list_del(&e->base.link); - kfree(&e->base); - } - spin_unlock_irqrestore(&drm->event_lock, flags); -} - static void arcpgu_lastclose(struct drm_device *drm) { struct arcpgu_drm_private *arcpgu = drm->dev_private; @@ -122,8 +100,6 @@ static int arcpgu_load(struct drm_device *drm) if (IS_ERR(arcpgu->clk)) return PTR_ERR(arcpgu->clk); - INIT_LIST_HEAD(&arcpgu->event_list); - arcpgu_setup_mode_config(drm); res = platform_get_resource(pdev, IORESOURCE_MEM, 0); @@ -193,7 +169,6 @@ int arcpgu_unload(struct drm_device *drm) static struct drm_driver arcpgu_drm_driver = { .driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_PRIME | DRIVER_ATOMIC, - .preclose = arcpgu_preclose, .lastclose = arcpgu_lastclose, .name = "drm-arcpgu", .desc = "ARC PGU Controller", diff --git a/drivers/gpu/drm/arc/arcpgu_hdmi.c b/drivers/gpu/drm/arc/arcpgu_hdmi.c index 08b6baeb320d..b7a8b2ac4055 100644 --- a/drivers/gpu/drm/arc/arcpgu_hdmi.c +++ b/drivers/gpu/drm/arc/arcpgu_hdmi.c @@ -46,23 +46,6 @@ static int arcpgu_drm_connector_get_modes(struct drm_connector *connector) return sfuncs->get_modes(&slave->base, connector); } -struct drm_encoder * -arcpgu_drm_connector_best_encoder(struct drm_connector *connector) -{ - struct drm_encoder_slave *slave; - struct arcpgu_drm_connector *con = - container_of(connector, struct arcpgu_drm_connector, connector); - - slave = con->encoder_slave; - if (slave == NULL) { - dev_err(connector->dev->dev, - "connector_best_encoder: cannot find slave encoder for connector\n"); - return NULL; - } - - return &slave->base; -} - static enum drm_connector_status arcpgu_drm_connector_detect(struct drm_connector *connector, bool force) { @@ -97,7 +80,6 @@ static void arcpgu_drm_connector_destroy(struct drm_connector *connector) static const struct drm_connector_helper_funcs arcpgu_drm_connector_helper_funcs = { .get_modes = arcpgu_drm_connector_get_modes, - .best_encoder = arcpgu_drm_connector_best_encoder, }; static const struct drm_connector_funcs arcpgu_drm_connector_funcs = { diff --git a/drivers/gpu/drm/arm/hdlcd_drv.c b/drivers/gpu/drm/arm/hdlcd_drv.c index 49e586d67595..74279be20b75 100644 --- a/drivers/gpu/drm/arm/hdlcd_drv.c +++ b/drivers/gpu/drm/arm/hdlcd_drv.c @@ -106,17 +106,11 @@ static void hdlcd_fb_output_poll_changed(struct drm_device *drm) drm_fbdev_cma_hotplug_event(hdlcd->fbdev); } -static int hdlcd_atomic_commit(struct drm_device *dev, - struct drm_atomic_state *state, bool nonblock) -{ - return drm_atomic_helper_commit(dev, state, false); -} - static const struct drm_mode_config_funcs hdlcd_mode_config_funcs = { .fb_create = drm_fb_cma_create, .output_poll_changed = hdlcd_fb_output_poll_changed, .atomic_check = drm_atomic_helper_check, - .atomic_commit = hdlcd_atomic_commit, + .atomic_commit = drm_atomic_helper_commit, }; static void hdlcd_setup_mode_config(struct drm_device *drm) diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c index 6485fa5bee8b..9ecf16c7911d 100644 --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.c @@ -519,7 +519,7 @@ static int atmel_hlcdc_dc_atomic_commit(struct drm_device *dev, } /* Swap the state, this is the point of no return. */ - drm_atomic_helper_swap_state(dev, state); + drm_atomic_helper_swap_state(state, true); if (async) queue_work(dc->wq, &commit->work); diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_output.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_output.c index 39802c0539b6..473a475f27b1 100644 --- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_output.c +++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_output.c @@ -113,21 +113,9 @@ static int atmel_hlcdc_rgb_mode_valid(struct drm_connector *connector, return atmel_hlcdc_dc_mode_valid(rgb->dc, mode); } - - -static struct drm_encoder * -atmel_hlcdc_rgb_best_encoder(struct drm_connector *connector) -{ - struct atmel_hlcdc_rgb_output *rgb = - drm_connector_to_atmel_hlcdc_rgb_output(connector); - - return &rgb->encoder; -} - static const struct drm_connector_helper_funcs atmel_hlcdc_panel_connector_helper_funcs = { .get_modes = atmel_hlcdc_panel_get_modes, .mode_valid = atmel_hlcdc_rgb_mode_valid, - .best_encoder = atmel_hlcdc_rgb_best_encoder, }; static enum drm_connector_status diff --git a/drivers/gpu/drm/bridge/analogix-anx78xx.c b/drivers/gpu/drm/bridge/analogix-anx78xx.c index d087b054c360..f9f03bcba0af 100644 --- a/drivers/gpu/drm/bridge/analogix-anx78xx.c +++ b/drivers/gpu/drm/bridge/analogix-anx78xx.c @@ -986,16 +986,8 @@ unlock: return num_modes; } -static struct drm_encoder *anx78xx_best_encoder(struct drm_connector *connector) -{ - struct anx78xx *anx78xx = connector_to_anx78xx(connector); - - return anx78xx->bridge.encoder; -} - static const struct drm_connector_helper_funcs anx78xx_connector_helper_funcs = { .get_modes = anx78xx_get_modes, - .best_encoder = anx78xx_best_encoder, }; static enum drm_connector_status anx78xx_detect(struct drm_connector *connector, diff --git a/drivers/gpu/drm/bridge/dw-hdmi.c b/drivers/gpu/drm/bridge/dw-hdmi.c index c9d941283d30..70b1f7d4270b 100644 --- a/drivers/gpu/drm/bridge/dw-hdmi.c +++ b/drivers/gpu/drm/bridge/dw-hdmi.c @@ -1476,15 +1476,6 @@ dw_hdmi_connector_mode_valid(struct drm_connector *connector, return mode_status; } -static struct drm_encoder *dw_hdmi_connector_best_encoder(struct drm_connector - *connector) -{ - struct dw_hdmi *hdmi = container_of(connector, struct dw_hdmi, - connector); - - return hdmi->encoder; -} - static void dw_hdmi_connector_destroy(struct drm_connector *connector) { drm_connector_unregister(connector); @@ -1525,7 +1516,7 @@ static const struct drm_connector_funcs dw_hdmi_atomic_connector_funcs = { static const struct drm_connector_helper_funcs dw_hdmi_connector_helper_funcs = { .get_modes = dw_hdmi_connector_get_modes, .mode_valid = dw_hdmi_connector_mode_valid, - .best_encoder = dw_hdmi_connector_best_encoder, + .best_encoder = drm_atomic_helper_best_encoder, }; static const struct drm_bridge_funcs dw_hdmi_bridge_funcs = { diff --git a/drivers/gpu/drm/bridge/nxp-ptn3460.c b/drivers/gpu/drm/bridge/nxp-ptn3460.c index 7ecd59f70b8e..93f3dacf9e27 100644 --- a/drivers/gpu/drm/bridge/nxp-ptn3460.c +++ b/drivers/gpu/drm/bridge/nxp-ptn3460.c @@ -235,16 +235,8 @@ out: return num_modes; } -static struct drm_encoder *ptn3460_best_encoder(struct drm_connector *connector) -{ - struct ptn3460_bridge *ptn_bridge = connector_to_ptn3460(connector); - - return ptn_bridge->bridge.encoder; -} - static const struct drm_connector_helper_funcs ptn3460_connector_helper_funcs = { .get_modes = ptn3460_get_modes, - .best_encoder = ptn3460_best_encoder, }; static enum drm_connector_status ptn3460_detect(struct drm_connector *connector, diff --git a/drivers/gpu/drm/bridge/parade-ps8622.c b/drivers/gpu/drm/bridge/parade-ps8622.c index be881e9fef8f..5cd8dd7e5904 100644 --- a/drivers/gpu/drm/bridge/parade-ps8622.c +++ b/drivers/gpu/drm/bridge/parade-ps8622.c @@ -474,18 +474,8 @@ static int ps8622_get_modes(struct drm_connector *connector) return drm_panel_get_modes(ps8622->panel); } -static struct drm_encoder *ps8622_best_encoder(struct drm_connector *connector) -{ - struct ps8622_bridge *ps8622; - - ps8622 = connector_to_ps8622(connector); - - return ps8622->bridge.encoder; -} - static const struct drm_connector_helper_funcs ps8622_connector_helper_funcs = { .get_modes = ps8622_get_modes, - .best_encoder = ps8622_best_encoder, }; static enum drm_connector_status ps8622_detect(struct drm_connector *connector, diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c index 5e4b820a977c..d99ab2f6663f 100644 --- a/drivers/gpu/drm/drm_atomic.c +++ b/drivers/gpu/drm/drm_atomic.c @@ -33,6 +33,20 @@ #include "drm_crtc_internal.h" +static void crtc_commit_free(struct kref *kref) +{ + struct drm_crtc_commit *commit = + container_of(kref, struct drm_crtc_commit, ref); + + kfree(commit); +} + +void drm_crtc_commit_put(struct drm_crtc_commit *commit) +{ + kref_put(&commit->ref, crtc_commit_free); +} +EXPORT_SYMBOL(drm_crtc_commit_put); + /** * drm_atomic_state_default_release - * release memory initialized by drm_atomic_state_init @@ -148,6 +162,14 @@ void drm_atomic_state_default_clear(struct drm_atomic_state *state) crtc->funcs->atomic_destroy_state(crtc, state->crtcs[i].state); + + if (state->crtcs[i].commit) { + kfree(state->crtcs[i].commit->event); + state->crtcs[i].commit->event = NULL; + drm_crtc_commit_put(state->crtcs[i].commit); + } + + state->crtcs[i].commit = NULL; state->crtcs[i].ptr = NULL; state->crtcs[i].state = NULL; } diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index bb98d74d1a2e..de7fddce3cef 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -465,7 +465,7 @@ mode_fixup(struct drm_atomic_state *state) * times for the same update, e.g. when the ->atomic_check functions depend upon * the adjusted dotclock for fifo space allocation and watermark computation. * - * RETURNS + * RETURNS: * Zero for success or -errno */ int @@ -579,7 +579,7 @@ EXPORT_SYMBOL(drm_atomic_helper_check_modeset); * It also sets crtc_state->planes_changed to indicate that a crtc has * updated planes. * - * RETURNS + * RETURNS: * Zero for success or -errno */ int @@ -647,7 +647,7 @@ EXPORT_SYMBOL(drm_atomic_helper_check_planes); * ->atomic_check functions depend upon an updated adjusted_mode.clock to * e.g. properly compute watermarks. * - * RETURNS + * RETURNS: * Zero for success or -errno */ int drm_atomic_helper_check(struct drm_device *dev, @@ -1120,22 +1120,17 @@ drm_atomic_helper_wait_for_vblanks(struct drm_device *dev, EXPORT_SYMBOL(drm_atomic_helper_wait_for_vblanks); /** - * drm_atomic_helper_commit - commit validated state object - * @dev: DRM device - * @state: the driver state object - * @nonblocking: whether nonblocking behavior is requested. + * drm_atomic_helper_commit_tail - commit atomic update to hardware + * @state: new modeset state to be committed * - * This function commits a with drm_atomic_helper_check() pre-validated state - * object. This can still fail when e.g. the framebuffer reservation fails. For - * now this doesn't implement nonblocking commits. + * This is the default implemenation for the ->atomic_commit_tail() hook of the + * &drm_mode_config_helper_funcs vtable. * - * Note that right now this function does not support nonblocking commits, hence - * driver writers must implement their own version for now. Also note that the - * default ordering of how the various stages are called is to match the legacy - * modeset helper library closest. One peculiarity of that is that it doesn't - * mesh well with runtime PM at all. + * Note that the default ordering of how the various stages are called is to + * match the legacy modeset helper library closest. One peculiarity of that is + * that it doesn't mesh well with runtime PM at all. * - * For drivers supporting runtime PM the recommended sequence is + * For drivers supporting runtime PM the recommended sequence is instead :: * * drm_atomic_helper_commit_modeset_disables(dev, state); * @@ -1143,9 +1138,75 @@ EXPORT_SYMBOL(drm_atomic_helper_wait_for_vblanks); * * drm_atomic_helper_commit_planes(dev, state, true); * - * See the kerneldoc entries for these three functions for more details. + * for committing the atomic update to hardware. See the kerneldoc entries for + * these three functions for more details. + */ +void drm_atomic_helper_commit_tail(struct drm_atomic_state *state) +{ + struct drm_device *dev = state->dev; + + drm_atomic_helper_commit_modeset_disables(dev, state); + + drm_atomic_helper_commit_planes(dev, state, false); + + drm_atomic_helper_commit_modeset_enables(dev, state); + + drm_atomic_helper_commit_hw_done(state); + + drm_atomic_helper_wait_for_vblanks(dev, state); + + drm_atomic_helper_cleanup_planes(dev, state); +} +EXPORT_SYMBOL(drm_atomic_helper_commit_tail); + +static void commit_tail(struct drm_atomic_state *state) +{ + struct drm_device *dev = state->dev; + struct drm_mode_config_helper_funcs *funcs; + + funcs = dev->mode_config.helper_private; + + drm_atomic_helper_wait_for_fences(dev, state); + + drm_atomic_helper_wait_for_dependencies(state); + + if (funcs && funcs->atomic_commit_tail) + funcs->atomic_commit_tail(state); + else + drm_atomic_helper_commit_tail(state); + + drm_atomic_helper_commit_cleanup_done(state); + + drm_atomic_state_free(state); +} + +static void commit_work(struct work_struct *work) +{ + struct drm_atomic_state *state = container_of(work, + struct drm_atomic_state, + commit_work); + commit_tail(state); +} + +/** + * drm_atomic_helper_commit - commit validated state object + * @dev: DRM device + * @state: the driver state object + * @nonblock: whether nonblocking behavior is requested. + * + * This function commits a with drm_atomic_helper_check() pre-validated state + * object. This can still fail when e.g. the framebuffer reservation fails. This + * function implements nonblocking commits, using + * drm_atomic_helper_setup_commit() and related functions. + * + * Note that right now this function does not support nonblocking commits, hence + * driver writers must implement their own version for now. + * + * Committing the actual hardware state is done through the + * ->atomic_commit_tail() callback of the &drm_mode_config_helper_funcs vtable, + * or it's default implementation drm_atomic_helper_commit_tail(). * - * RETURNS + * RETURNS: * Zero for success or -errno. */ int drm_atomic_helper_commit(struct drm_device *dev, @@ -1154,8 +1215,11 @@ int drm_atomic_helper_commit(struct drm_device *dev, { int ret; - if (nonblock) - return -EBUSY; + ret = drm_atomic_helper_setup_commit(state, nonblock); + if (ret) + return ret; + + INIT_WORK(&state->commit_work, commit_work); ret = drm_atomic_helper_prepare_planes(dev, state); if (ret) @@ -1167,7 +1231,7 @@ int drm_atomic_helper_commit(struct drm_device *dev, * the software side now. */ - drm_atomic_helper_swap_state(dev, state); + drm_atomic_helper_swap_state(state, true); /* * Everything below can be run asynchronously without the need to grab @@ -1183,21 +1247,16 @@ int drm_atomic_helper_commit(struct drm_device *dev, * update. Which is important since compositors need to figure out the * composition of the next frame right after having submitted the * current layout. + * + * NOTE: Commit work has multiple phases, first hardware commit, then + * cleanup. We want them to overlap, hence need system_unbound_wq to + * make sure work items don't artifically stall on each another. */ - drm_atomic_helper_wait_for_fences(dev, state); - - drm_atomic_helper_commit_modeset_disables(dev, state); - - drm_atomic_helper_commit_planes(dev, state, false); - - drm_atomic_helper_commit_modeset_enables(dev, state); - - drm_atomic_helper_wait_for_vblanks(dev, state); - - drm_atomic_helper_cleanup_planes(dev, state); - - drm_atomic_state_free(state); + if (nonblock) + queue_work(system_unbound_wq, &state->commit_work); + else + commit_tail(state); return 0; } @@ -1206,12 +1265,7 @@ EXPORT_SYMBOL(drm_atomic_helper_commit); /** * DOC: implementing nonblocking commit * - * For now the atomic helpers don't support nonblocking commit directly. If - * there is real need it could be added though, using the dma-buf fence - * infrastructure for generic synchronization with outstanding rendering. - * - * For now drivers have to implement nonblocking commit themselves, with the - * following sequence being the recommended one: + * Nonblocking atomic commits have to be implemented in the following sequence: * * 1. Run drm_atomic_helper_prepare_planes() first. This is the only function * which commit needs to call which can fail, so we want to run it first and @@ -1223,10 +1277,14 @@ EXPORT_SYMBOL(drm_atomic_helper_commit); * cancelled updates. Note that it is important to ensure that the framebuffer * cleanup is still done when cancelling. * - * For sufficient parallelism it is recommended to have a work item per crtc - * (for updates which don't touch global state) and a global one. Then we only - * need to synchronize with the crtc work items for changed crtcs and the global - * work item, which allows nice concurrent updates on disjoint sets of crtcs. + * Asynchronous workers need to have sufficient parallelism to be able to run + * different atomic commits on different CRTCs in parallel. The simplest way to + * achive this is by running them on the &system_unbound_wq work queue. Note + * that drivers are not required to split up atomic commits and run an + * individual commit in parallel - userspace is supposed to do that if it cares. + * But it might be beneficial to do that for modesets, since those necessarily + * must be done as one global operation, and enabling or disabling a CRTC can + * take a long time. But even that is not required. * * 3. The software state is updated synchronously with * drm_atomic_helper_swap_state(). Doing this under the protection of all modeset @@ -1239,8 +1297,310 @@ EXPORT_SYMBOL(drm_atomic_helper_commit); * commit helpers: a) pre-plane commit b) plane commit c) post-plane commit and * then cleaning up the framebuffers after the old framebuffer is no longer * being displayed. + * + * The above scheme is implemented in the atomic helper libraries in + * drm_atomic_helper_commit() using a bunch of helper functions. See + * drm_atomic_helper_setup_commit() for a starting point. */ +static int stall_checks(struct drm_crtc *crtc, bool nonblock) +{ + struct drm_crtc_commit *commit, *stall_commit = NULL; + bool completed = true; + int i; + long ret = 0; + + spin_lock(&crtc->commit_lock); + i = 0; + list_for_each_entry(commit, &crtc->commit_list, commit_entry) { + if (i == 0) { + completed = try_wait_for_completion(&commit->flip_done); + /* Userspace is not allowed to get ahead of the previous + * commit with nonblocking ones. */ + if (!completed && nonblock) { + spin_unlock(&crtc->commit_lock); + return -EBUSY; + } + } else if (i == 1) { + stall_commit = commit; + drm_crtc_commit_get(stall_commit); + break; + } + + i++; + } + spin_unlock(&crtc->commit_lock); + + if (!stall_commit) + return 0; + + /* We don't want to let commits get ahead of cleanup work too much, + * stalling on 2nd previous commit means triple-buffer won't ever stall. + */ + ret = wait_for_completion_interruptible_timeout(&stall_commit->cleanup_done, + 10*HZ); + if (ret == 0) + DRM_ERROR("[CRTC:%d:%s] cleanup_done timed out\n", + crtc->base.id, crtc->name); + + drm_crtc_commit_put(stall_commit); + + return ret < 0 ? ret : 0; +} + +/** + * drm_atomic_helper_setup_commit - setup possibly nonblocking commit + * @state: new modeset state to be committed + * @nonblock: whether nonblocking behavior is requested. + * + * This function prepares @state to be used by the atomic helper's support for + * nonblocking commits. Drivers using the nonblocking commit infrastructure + * should always call this function from their ->atomic_commit hook. + * + * To be able to use this support drivers need to use a few more helper + * functions. drm_atomic_helper_wait_for_dependencies() must be called before + * actually committing the hardware state, and for nonblocking commits this call + * must be placed in the async worker. See also drm_atomic_helper_swap_state() + * and it's stall parameter, for when a driver's commit hooks look at the + * ->state pointers of struct &drm_crtc, &drm_plane or &drm_connector directly. + * + * Completion of the hardware commit step must be signalled using + * drm_atomic_helper_commit_hw_done(). After this step the driver is not allowed + * to read or change any permanent software or hardware modeset state. The only + * exception is state protected by other means than &drm_modeset_lock locks. + * Only the free standing @state with pointers to the old state structures can + * be inspected, e.g. to clean up old buffers using + * drm_atomic_helper_cleanup_planes(). + * + * At the very end, before cleaning up @state drivers must call + * drm_atomic_helper_commit_cleanup_done(). + * + * This is all implemented by in drm_atomic_helper_commit(), giving drivers a + * complete and esay-to-use default implementation of the atomic_commit() hook. + * + * The tracking of asynchronously executed and still pending commits is done + * using the core structure &drm_crtc_commit. + * + * By default there's no need to clean up resources allocated by this function + * explicitly: drm_atomic_state_default_clear() will take care of that + * automatically. + * + * Returns: + * + * 0 on success. -EBUSY when userspace schedules nonblocking commits too fast, + * -ENOMEM on allocation failures and -EINTR when a signal is pending. + */ +int drm_atomic_helper_setup_commit(struct drm_atomic_state *state, + bool nonblock) +{ + struct drm_crtc *crtc; + struct drm_crtc_state *crtc_state; + struct drm_crtc_commit *commit; + int i, ret; + + for_each_crtc_in_state(state, crtc, crtc_state, i) { + commit = kzalloc(sizeof(*commit), GFP_KERNEL); + if (!commit) + return -ENOMEM; + + init_completion(&commit->flip_done); + init_completion(&commit->hw_done); + init_completion(&commit->cleanup_done); + INIT_LIST_HEAD(&commit->commit_entry); + kref_init(&commit->ref); + commit->crtc = crtc; + + state->crtcs[i].commit = commit; + + ret = stall_checks(crtc, nonblock); + if (ret) + return ret; + + /* Drivers only send out events when at least either current or + * new CRTC state is active. Complete right away if everything + * stays off. */ + if (!crtc->state->active && !crtc_state->active) { + complete_all(&commit->flip_done); + continue; + } + + /* Legacy cursor updates are fully unsynced. */ + if (state->legacy_cursor_update) { + complete_all(&commit->flip_done); + continue; + } + + if (!crtc_state->event) { + commit->event = kzalloc(sizeof(*commit->event), + GFP_KERNEL); + if (!commit->event) + return -ENOMEM; + + crtc_state->event = commit->event; + } + + crtc_state->event->base.completion = &commit->flip_done; + } + + return 0; +} +EXPORT_SYMBOL(drm_atomic_helper_setup_commit); + + +static struct drm_crtc_commit *preceeding_commit(struct drm_crtc *crtc) +{ + struct drm_crtc_commit *commit; + int i = 0; + + list_for_each_entry(commit, &crtc->commit_list, commit_entry) { + /* skip the first entry, that's the current commit */ + if (i == 1) + return commit; + i++; + } + + return NULL; +} + +/** + * drm_atomic_helper_wait_for_dependencies - wait for required preceeding commits + * @state: new modeset state to be committed + * + * This function waits for all preceeding commits that touch the same CRTC as + * @state to both be committed to the hardware (as signalled by + * drm_atomic_helper_commit_hw_done) and executed by the hardware (as signalled + * by calling drm_crtc_vblank_send_event on the event member of + * &drm_crtc_state). + * + * This is part of the atomic helper support for nonblocking commits, see + * drm_atomic_helper_setup_commit() for an overview. + */ +void drm_atomic_helper_wait_for_dependencies(struct drm_atomic_state *state) +{ + struct drm_crtc *crtc; + struct drm_crtc_state *crtc_state; + struct drm_crtc_commit *commit; + int i; + long ret; + + for_each_crtc_in_state(state, crtc, crtc_state, i) { + spin_lock(&crtc->commit_lock); + commit = preceeding_commit(crtc); + if (commit) + drm_crtc_commit_get(commit); + spin_unlock(&crtc->commit_lock); + + if (!commit) + continue; + + ret = wait_for_completion_timeout(&commit->hw_done, + 10*HZ); + if (ret == 0) + DRM_ERROR("[CRTC:%d:%s] hw_done timed out\n", + crtc->base.id, crtc->name); + + /* Currently no support for overwriting flips, hence + * stall for previous one to execute completely. */ + ret = wait_for_completion_timeout(&commit->flip_done, + 10*HZ); + if (ret == 0) + DRM_ERROR("[CRTC:%d:%s] flip_done timed out\n", + crtc->base.id, crtc->name); + + drm_crtc_commit_put(commit); + } +} +EXPORT_SYMBOL(drm_atomic_helper_wait_for_dependencies); + +/** + * drm_atomic_helper_commit_hw_done - setup possible nonblocking commit + * @state: new modeset state to be committed + * + * This function is used to signal completion of the hardware commit step. After + * this step the driver is not allowed to read or change any permanent software + * or hardware modeset state. The only exception is state protected by other + * means than &drm_modeset_lock locks. + * + * Drivers should try to postpone any expensive or delayed cleanup work after + * this function is called. + * + * This is part of the atomic helper support for nonblocking commits, see + * drm_atomic_helper_setup_commit() for an overview. + */ +void drm_atomic_helper_commit_hw_done(struct drm_atomic_state *state) +{ + struct drm_crtc *crtc; + struct drm_crtc_state *crtc_state; + struct drm_crtc_commit *commit; + int i; + + for_each_crtc_in_state(state, crtc, crtc_state, i) { + commit = state->crtcs[i].commit; + if (!commit) + continue; + + /* backend must have consumed any event by now */ + WARN_ON(crtc->state->event); + spin_lock(&crtc->commit_lock); + complete_all(&commit->hw_done); + spin_unlock(&crtc->commit_lock); + } +} +EXPORT_SYMBOL(drm_atomic_helper_commit_hw_done); + +/** + * drm_atomic_helper_commit_cleanup_done - signal completion of commit + * @state: new modeset state to be committed + * + * This signals completion of the atomic update @state, including any cleanup + * work. If used, it must be called right before calling + * drm_atomic_state_free(). + * + * This is part of the atomic helper support for nonblocking commits, see + * drm_atomic_helper_setup_commit() for an overview. + */ +void drm_atomic_helper_commit_cleanup_done(struct drm_atomic_state *state) +{ + struct drm_crtc *crtc; + struct drm_crtc_state *crtc_state; + struct drm_crtc_commit *commit; + int i; + long ret; + + for_each_crtc_in_state(state, crtc, crtc_state, i) { + commit = state->crtcs[i].commit; + if (WARN_ON(!commit)) + continue; + + spin_lock(&crtc->commit_lock); + complete_all(&commit->cleanup_done); + WARN_ON(!try_wait_for_completion(&commit->hw_done)); + + /* commit_list borrows our reference, need to remove before we + * clean up our drm_atomic_state. But only after it actually + * completed, otherwise subsequent commits won't stall properly. */ + if (try_wait_for_completion(&commit->flip_done)) + goto del_commit; + + spin_unlock(&crtc->commit_lock); + + /* We must wait for the vblank event to signal our completion + * before releasing our reference, since the vblank work does + * not hold a reference of its own. */ + ret = wait_for_completion_timeout(&commit->flip_done, + 10*HZ); + if (ret == 0) + DRM_ERROR("[CRTC:%d:%s] flip_done timed out\n", + crtc->base.id, crtc->name); + + spin_lock(&crtc->commit_lock); +del_commit: + list_del(&commit->commit_entry); + spin_unlock(&crtc->commit_lock); + } +} +EXPORT_SYMBOL(drm_atomic_helper_commit_cleanup_done); + /** * drm_atomic_helper_prepare_planes - prepare plane resources before commit * @dev: DRM device @@ -1538,8 +1898,8 @@ EXPORT_SYMBOL(drm_atomic_helper_cleanup_planes); /** * drm_atomic_helper_swap_state - store atomic state into current sw state - * @dev: DRM device * @state: atomic state + * @stall: stall for proceeding commits * * This function stores the atomic state into the current state pointers in all * driver objects. It should be called after all failing steps have been done @@ -1560,17 +1920,45 @@ EXPORT_SYMBOL(drm_atomic_helper_cleanup_planes); * * 5. Call drm_atomic_helper_cleanup_planes() with @state, which since step 3 * contains the old state. Also do any other cleanup required with that state. + * + * @stall must be set when nonblocking commits for this driver directly access + * the ->state pointer of &drm_plane, &drm_crtc or &drm_connector. With the + * current atomic helpers this is almost always the case, since the helpers + * don't pass the right state structures to the callbacks. */ -void drm_atomic_helper_swap_state(struct drm_device *dev, - struct drm_atomic_state *state) +void drm_atomic_helper_swap_state(struct drm_atomic_state *state, + bool stall) { int i; + long ret; struct drm_connector *connector; struct drm_connector_state *conn_state; struct drm_crtc *crtc; struct drm_crtc_state *crtc_state; struct drm_plane *plane; struct drm_plane_state *plane_state; + struct drm_crtc_commit *commit; + + if (stall) { + for_each_crtc_in_state(state, crtc, crtc_state, i) { + spin_lock(&crtc->commit_lock); + commit = list_first_entry_or_null(&crtc->commit_list, + struct drm_crtc_commit, commit_entry); + if (commit) + drm_crtc_commit_get(commit); + spin_unlock(&crtc->commit_lock); + + if (!commit) + continue; + + ret = wait_for_completion_timeout(&commit->hw_done, + 10*HZ); + if (ret == 0) + DRM_ERROR("[CRTC:%d:%s] hw_done timed out\n", + crtc->base.id, crtc->name); + drm_crtc_commit_put(commit); + } + } for_each_connector_in_state(state, connector, conn_state, i) { connector->state->state = state; @@ -1582,6 +1970,15 @@ void drm_atomic_helper_swap_state(struct drm_device *dev, crtc->state->state = state; swap(state->crtcs[i].state, crtc->state); crtc->state->state = NULL; + + if (state->crtcs[i].commit) { + spin_lock(&crtc->commit_lock); + list_add(&state->crtcs[i].commit->commit_entry, + &crtc->commit_list); + spin_unlock(&crtc->commit_lock); + + state->crtcs[i].commit->event = NULL; + } } for_each_plane_in_state(state, plane, plane_state, i) { diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index df91dfe506eb..4ec35f9e6de5 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -239,37 +239,6 @@ const char *drm_get_subpixel_order_name(enum subpixel_order order) } EXPORT_SYMBOL(drm_get_subpixel_order_name); -static char printable_char(int c) -{ - return isascii(c) && isprint(c) ? c : '?'; -} - -/** - * drm_get_format_name - return a string for drm fourcc format - * @format: format to compute name of - * - * Note that the buffer used by this function is globally shared and owned by - * the function itself. - * - * FIXME: This isn't really multithreading safe. - */ -const char *drm_get_format_name(uint32_t format) -{ - static char buf[32]; - - snprintf(buf, sizeof(buf), - "%c%c%c%c %s-endian (0x%08x)", - printable_char(format & 0xff), - printable_char((format >> 8) & 0xff), - printable_char((format >> 16) & 0xff), - printable_char((format >> 24) & 0x7f), - format & DRM_FORMAT_BIG_ENDIAN ? "big" : "little", - format); - - return buf; -} -EXPORT_SYMBOL(drm_get_format_name); - /* * Internal function to assign a slot in the object idr and optionally * register the object into the idr. @@ -669,6 +638,9 @@ int drm_crtc_init_with_planes(struct drm_device *dev, struct drm_crtc *crtc, crtc->dev = dev; crtc->funcs = funcs; + INIT_LIST_HEAD(&crtc->commit_list); + spin_lock_init(&crtc->commit_lock); + drm_modeset_lock_init(&crtc->mutex); ret = drm_mode_object_get(dev, &crtc->base, DRM_MODE_OBJECT_CRTC); if (ret) @@ -5503,264 +5475,6 @@ int drm_mode_destroy_dumb_ioctl(struct drm_device *dev, } /** - * drm_fb_get_bpp_depth - get the bpp/depth values for format - * @format: pixel format (DRM_FORMAT_*) - * @depth: storage for the depth value - * @bpp: storage for the bpp value - * - * This only supports RGB formats here for compat with code that doesn't use - * pixel formats directly yet. - */ -void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth, - int *bpp) -{ - switch (format) { - case DRM_FORMAT_C8: - case DRM_FORMAT_RGB332: - case DRM_FORMAT_BGR233: - *depth = 8; - *bpp = 8; - break; - case DRM_FORMAT_XRGB1555: - case DRM_FORMAT_XBGR1555: - case DRM_FORMAT_RGBX5551: - case DRM_FORMAT_BGRX5551: - case DRM_FORMAT_ARGB1555: - case DRM_FORMAT_ABGR1555: - case DRM_FORMAT_RGBA5551: - case DRM_FORMAT_BGRA5551: - *depth = 15; - *bpp = 16; - break; - case DRM_FORMAT_RGB565: - case DRM_FORMAT_BGR565: - *depth = 16; - *bpp = 16; - break; - case DRM_FORMAT_RGB888: - case DRM_FORMAT_BGR888: - *depth = 24; - *bpp = 24; - break; - case DRM_FORMAT_XRGB8888: - case DRM_FORMAT_XBGR8888: - case DRM_FORMAT_RGBX8888: - case DRM_FORMAT_BGRX8888: - *depth = 24; - *bpp = 32; - break; - case DRM_FORMAT_XRGB2101010: - case DRM_FORMAT_XBGR2101010: - case DRM_FORMAT_RGBX1010102: - case DRM_FORMAT_BGRX1010102: - case DRM_FORMAT_ARGB2101010: - case DRM_FORMAT_ABGR2101010: - case DRM_FORMAT_RGBA1010102: - case DRM_FORMAT_BGRA1010102: - *depth = 30; - *bpp = 32; - break; - case DRM_FORMAT_ARGB8888: - case DRM_FORMAT_ABGR8888: - case DRM_FORMAT_RGBA8888: - case DRM_FORMAT_BGRA8888: - *depth = 32; - *bpp = 32; - break; - default: - DRM_DEBUG_KMS("unsupported pixel format %s\n", - drm_get_format_name(format)); - *depth = 0; - *bpp = 0; - break; - } -} -EXPORT_SYMBOL(drm_fb_get_bpp_depth); - -/** - * drm_format_num_planes - get the number of planes for format - * @format: pixel format (DRM_FORMAT_*) - * - * Returns: - * The number of planes used by the specified pixel format. - */ -int drm_format_num_planes(uint32_t format) -{ - switch (format) { - case DRM_FORMAT_YUV410: - case DRM_FORMAT_YVU410: - case DRM_FORMAT_YUV411: - case DRM_FORMAT_YVU411: - case DRM_FORMAT_YUV420: - case DRM_FORMAT_YVU420: - case DRM_FORMAT_YUV422: - case DRM_FORMAT_YVU422: - case DRM_FORMAT_YUV444: - case DRM_FORMAT_YVU444: - return 3; - case DRM_FORMAT_NV12: - case DRM_FORMAT_NV21: - case DRM_FORMAT_NV16: - case DRM_FORMAT_NV61: - case DRM_FORMAT_NV24: - case DRM_FORMAT_NV42: - return 2; - default: - return 1; - } -} -EXPORT_SYMBOL(drm_format_num_planes); - -/** - * drm_format_plane_cpp - determine the bytes per pixel value - * @format: pixel format (DRM_FORMAT_*) - * @plane: plane index - * - * Returns: - * The bytes per pixel value for the specified plane. - */ -int drm_format_plane_cpp(uint32_t format, int plane) -{ - unsigned int depth; - int bpp; - - if (plane >= drm_format_num_planes(format)) - return 0; - - switch (format) { - case DRM_FORMAT_YUYV: - case DRM_FORMAT_YVYU: - case DRM_FORMAT_UYVY: - case DRM_FORMAT_VYUY: - return 2; - case DRM_FORMAT_NV12: - case DRM_FORMAT_NV21: - case DRM_FORMAT_NV16: - case DRM_FORMAT_NV61: - case DRM_FORMAT_NV24: - case DRM_FORMAT_NV42: - return plane ? 2 : 1; - case DRM_FORMAT_YUV410: - case DRM_FORMAT_YVU410: - case DRM_FORMAT_YUV411: - case DRM_FORMAT_YVU411: - case DRM_FORMAT_YUV420: - case DRM_FORMAT_YVU420: - case DRM_FORMAT_YUV422: - case DRM_FORMAT_YVU422: - case DRM_FORMAT_YUV444: - case DRM_FORMAT_YVU444: - return 1; - default: - drm_fb_get_bpp_depth(format, &depth, &bpp); - return bpp >> 3; - } -} -EXPORT_SYMBOL(drm_format_plane_cpp); - -/** - * drm_format_horz_chroma_subsampling - get the horizontal chroma subsampling factor - * @format: pixel format (DRM_FORMAT_*) - * - * Returns: - * The horizontal chroma subsampling factor for the - * specified pixel format. - */ -int drm_format_horz_chroma_subsampling(uint32_t format) -{ - switch (format) { - case DRM_FORMAT_YUV411: - case DRM_FORMAT_YVU411: - case DRM_FORMAT_YUV410: - case DRM_FORMAT_YVU410: - return 4; - case DRM_FORMAT_YUYV: - case DRM_FORMAT_YVYU: - case DRM_FORMAT_UYVY: - case DRM_FORMAT_VYUY: - case DRM_FORMAT_NV12: - case DRM_FORMAT_NV21: - case DRM_FORMAT_NV16: - case DRM_FORMAT_NV61: - case DRM_FORMAT_YUV422: - case DRM_FORMAT_YVU422: - case DRM_FORMAT_YUV420: - case DRM_FORMAT_YVU420: - return 2; - default: - return 1; - } -} -EXPORT_SYMBOL(drm_format_horz_chroma_subsampling); - -/** - * drm_format_vert_chroma_subsampling - get the vertical chroma subsampling factor - * @format: pixel format (DRM_FORMAT_*) - * - * Returns: - * The vertical chroma subsampling factor for the - * specified pixel format. - */ -int drm_format_vert_chroma_subsampling(uint32_t format) -{ - switch (format) { - case DRM_FORMAT_YUV410: - case DRM_FORMAT_YVU410: - return 4; - case DRM_FORMAT_YUV420: - case DRM_FORMAT_YVU420: - case DRM_FORMAT_NV12: - case DRM_FORMAT_NV21: - return 2; - default: - return 1; - } -} -EXPORT_SYMBOL(drm_format_vert_chroma_subsampling); - -/** - * drm_format_plane_width - width of the plane given the first plane - * @width: width of the first plane - * @format: pixel format - * @plane: plane index - * - * Returns: - * The width of @plane, given that the width of the first plane is @width. - */ -int drm_format_plane_width(int width, uint32_t format, int plane) -{ - if (plane >= drm_format_num_planes(format)) - return 0; - - if (plane == 0) - return width; - - return width / drm_format_horz_chroma_subsampling(format); -} -EXPORT_SYMBOL(drm_format_plane_width); - -/** - * drm_format_plane_height - height of the plane given the first plane - * @height: height of the first plane - * @format: pixel format - * @plane: plane index - * - * Returns: - * The height of @plane, given that the height of the first plane is @height. - */ -int drm_format_plane_height(int height, uint32_t format, int plane) -{ - if (plane >= drm_format_num_planes(format)) - return 0; - - if (plane == 0) - return height; - - return height / drm_format_vert_chroma_subsampling(format); -} -EXPORT_SYMBOL(drm_format_plane_height); - -/** * drm_rotation_simplify() - Try to simplify the rotation * @rotation: Rotation to be simplified * @supported_rotations: Supported rotations diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c index bff89226a344..8b2582aeaab6 100644 --- a/drivers/gpu/drm/drm_drv.c +++ b/drivers/gpu/drm/drm_drv.c @@ -605,8 +605,6 @@ struct drm_device *drm_dev_alloc(struct drm_driver *driver, ret = drm_minor_alloc(dev, DRM_MINOR_CONTROL); if (ret) goto err_minors; - - WARN_ON(driver->suspend || driver->resume); } if (drm_core_check_feature(dev, DRIVER_RENDER)) { diff --git a/drivers/gpu/drm/drm_fb_cma_helper.c b/drivers/gpu/drm/drm_fb_cma_helper.c index 2e7ef0b325e2..c0b0c718994a 100644 --- a/drivers/gpu/drm/drm_fb_cma_helper.c +++ b/drivers/gpu/drm/drm_fb_cma_helper.c @@ -346,6 +346,7 @@ static int drm_fbdev_cma_defio_init(struct fb_info *fbi, fbops = kzalloc(sizeof(*fbops), GFP_KERNEL); if (!fbdefio || !fbops) { kfree(fbdefio); + kfree(fbops); return -ENOMEM; } diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index ba5aac7276e4..0bac5246e5a7 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -385,7 +385,7 @@ static int restore_fbdev_mode(struct drm_fb_helper *fb_helper) drm_warn_on_modeset_not_all_locked(dev); - if (fb_helper->atomic) + if (dev->mode_config.funcs->atomic_commit) return restore_fbdev_mode_atomic(fb_helper); drm_for_each_plane(plane, dev) { @@ -716,8 +716,6 @@ int drm_fb_helper_init(struct drm_device *dev, i++; } - fb_helper->atomic = !!drm_core_check_feature(dev, DRIVER_ATOMIC); - return 0; out_free: drm_fb_helper_crtc_free(fb_helper); @@ -1344,7 +1342,7 @@ int drm_fb_helper_pan_display(struct fb_var_screeninfo *var, return -EBUSY; } - if (fb_helper->atomic) { + if (dev->mode_config.funcs->atomic_commit) { ret = pan_display_atomic(var, info); goto unlock; } diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c index 64121f567234..a27bc7cda975 100644 --- a/drivers/gpu/drm/drm_fops.c +++ b/drivers/gpu/drm/drm_fops.c @@ -797,6 +797,12 @@ void drm_send_event_locked(struct drm_device *dev, struct drm_pending_event *e) { assert_spin_locked(&dev->event_lock); + if (e->completion) { + /* ->completion might disappear as soon as it signalled. */ + complete_all(e->completion); + e->completion = NULL; + } + if (e->fence) { fence_signal(e->fence); fence_put(e->fence); diff --git a/drivers/gpu/drm/drm_fourcc.c b/drivers/gpu/drm/drm_fourcc.c new file mode 100644 index 000000000000..0645c85d5f95 --- /dev/null +++ b/drivers/gpu/drm/drm_fourcc.c @@ -0,0 +1,320 @@ +/* + * Copyright (c) 2016 Laurent Pinchart <laurent.pinchart@ideasonboard.com> + * + * DRM core format related functions + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that copyright + * notice and this permission notice appear in supporting documentation, and + * that the name of the copyright holders not be used in advertising or + * publicity pertaining to distribution of the software without specific, + * written prior permission. The copyright holders make no representations + * about the suitability of this software for any purpose. It is provided "as + * is" without express or implied warranty. + * + * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE + * OF THIS SOFTWARE. + */ + +#include <linux/bug.h> +#include <linux/ctype.h> +#include <linux/export.h> +#include <linux/kernel.h> + +#include <drm/drmP.h> +#include <drm/drm_fourcc.h> + +static char printable_char(int c) +{ + return isascii(c) && isprint(c) ? c : '?'; +} + +/** + * drm_get_format_name - return a string for drm fourcc format + * @format: format to compute name of + * + * Note that the buffer used by this function is globally shared and owned by + * the function itself. + * + * FIXME: This isn't really multithreading safe. + */ +const char *drm_get_format_name(uint32_t format) +{ + static char buf[32]; + + snprintf(buf, sizeof(buf), + "%c%c%c%c %s-endian (0x%08x)", + printable_char(format & 0xff), + printable_char((format >> 8) & 0xff), + printable_char((format >> 16) & 0xff), + printable_char((format >> 24) & 0x7f), + format & DRM_FORMAT_BIG_ENDIAN ? "big" : "little", + format); + + return buf; +} +EXPORT_SYMBOL(drm_get_format_name); + +/** + * drm_fb_get_bpp_depth - get the bpp/depth values for format + * @format: pixel format (DRM_FORMAT_*) + * @depth: storage for the depth value + * @bpp: storage for the bpp value + * + * This only supports RGB formats here for compat with code that doesn't use + * pixel formats directly yet. + */ +void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth, + int *bpp) +{ + switch (format) { + case DRM_FORMAT_C8: + case DRM_FORMAT_RGB332: + case DRM_FORMAT_BGR233: + *depth = 8; + *bpp = 8; + break; + case DRM_FORMAT_XRGB1555: + case DRM_FORMAT_XBGR1555: + case DRM_FORMAT_RGBX5551: + case DRM_FORMAT_BGRX5551: + case DRM_FORMAT_ARGB1555: + case DRM_FORMAT_ABGR1555: + case DRM_FORMAT_RGBA5551: + case DRM_FORMAT_BGRA5551: + *depth = 15; + *bpp = 16; + break; + case DRM_FORMAT_RGB565: + case DRM_FORMAT_BGR565: + *depth = 16; + *bpp = 16; + break; + case DRM_FORMAT_RGB888: + case DRM_FORMAT_BGR888: + *depth = 24; + *bpp = 24; + break; + case DRM_FORMAT_XRGB8888: + case DRM_FORMAT_XBGR8888: + case DRM_FORMAT_RGBX8888: + case DRM_FORMAT_BGRX8888: + *depth = 24; + *bpp = 32; + break; + case DRM_FORMAT_XRGB2101010: + case DRM_FORMAT_XBGR2101010: + case DRM_FORMAT_RGBX1010102: + case DRM_FORMAT_BGRX1010102: + case DRM_FORMAT_ARGB2101010: + case DRM_FORMAT_ABGR2101010: + case DRM_FORMAT_RGBA1010102: + case DRM_FORMAT_BGRA1010102: + *depth = 30; + *bpp = 32; + break; + case DRM_FORMAT_ARGB8888: + case DRM_FORMAT_ABGR8888: + case DRM_FORMAT_RGBA8888: + case DRM_FORMAT_BGRA8888: + *depth = 32; + *bpp = 32; + break; + default: + DRM_DEBUG_KMS("unsupported pixel format %s\n", + drm_get_format_name(format)); + *depth = 0; + *bpp = 0; + break; + } +} +EXPORT_SYMBOL(drm_fb_get_bpp_depth); + +/** + * drm_format_num_planes - get the number of planes for format + * @format: pixel format (DRM_FORMAT_*) + * + * Returns: + * The number of planes used by the specified pixel format. + */ +int drm_format_num_planes(uint32_t format) +{ + switch (format) { + case DRM_FORMAT_YUV410: + case DRM_FORMAT_YVU410: + case DRM_FORMAT_YUV411: + case DRM_FORMAT_YVU411: + case DRM_FORMAT_YUV420: + case DRM_FORMAT_YVU420: + case DRM_FORMAT_YUV422: + case DRM_FORMAT_YVU422: + case DRM_FORMAT_YUV444: + case DRM_FORMAT_YVU444: + return 3; + case DRM_FORMAT_NV12: + case DRM_FORMAT_NV21: + case DRM_FORMAT_NV16: + case DRM_FORMAT_NV61: + case DRM_FORMAT_NV24: + case DRM_FORMAT_NV42: + return 2; + default: + return 1; + } +} +EXPORT_SYMBOL(drm_format_num_planes); + +/** + * drm_format_plane_cpp - determine the bytes per pixel value + * @format: pixel format (DRM_FORMAT_*) + * @plane: plane index + * + * Returns: + * The bytes per pixel value for the specified plane. + */ +int drm_format_plane_cpp(uint32_t format, int plane) +{ + unsigned int depth; + int bpp; + + if (plane >= drm_format_num_planes(format)) + return 0; + + switch (format) { + case DRM_FORMAT_YUYV: + case DRM_FORMAT_YVYU: + case DRM_FORMAT_UYVY: + case DRM_FORMAT_VYUY: + return 2; + case DRM_FORMAT_NV12: + case DRM_FORMAT_NV21: + case DRM_FORMAT_NV16: + case DRM_FORMAT_NV61: + case DRM_FORMAT_NV24: + case DRM_FORMAT_NV42: + return plane ? 2 : 1; + case DRM_FORMAT_YUV410: + case DRM_FORMAT_YVU410: + case DRM_FORMAT_YUV411: + case DRM_FORMAT_YVU411: + case DRM_FORMAT_YUV420: + case DRM_FORMAT_YVU420: + case DRM_FORMAT_YUV422: + case DRM_FORMAT_YVU422: + case DRM_FORMAT_YUV444: + case DRM_FORMAT_YVU444: + return 1; + default: + drm_fb_get_bpp_depth(format, &depth, &bpp); + return bpp >> 3; + } +} +EXPORT_SYMBOL(drm_format_plane_cpp); + +/** + * drm_format_horz_chroma_subsampling - get the horizontal chroma subsampling factor + * @format: pixel format (DRM_FORMAT_*) + * + * Returns: + * The horizontal chroma subsampling factor for the + * specified pixel format. + */ +int drm_format_horz_chroma_subsampling(uint32_t format) +{ + switch (format) { + case DRM_FORMAT_YUV411: + case DRM_FORMAT_YVU411: + case DRM_FORMAT_YUV410: + case DRM_FORMAT_YVU410: + return 4; + case DRM_FORMAT_YUYV: + case DRM_FORMAT_YVYU: + case DRM_FORMAT_UYVY: + case DRM_FORMAT_VYUY: + case DRM_FORMAT_NV12: + case DRM_FORMAT_NV21: + case DRM_FORMAT_NV16: + case DRM_FORMAT_NV61: + case DRM_FORMAT_YUV422: + case DRM_FORMAT_YVU422: + case DRM_FORMAT_YUV420: + case DRM_FORMAT_YVU420: + return 2; + default: + return 1; + } +} +EXPORT_SYMBOL(drm_format_horz_chroma_subsampling); + +/** + * drm_format_vert_chroma_subsampling - get the vertical chroma subsampling factor + * @format: pixel format (DRM_FORMAT_*) + * + * Returns: + * The vertical chroma subsampling factor for the + * specified pixel format. + */ +int drm_format_vert_chroma_subsampling(uint32_t format) +{ + switch (format) { + case DRM_FORMAT_YUV410: + case DRM_FORMAT_YVU410: + return 4; + case DRM_FORMAT_YUV420: + case DRM_FORMAT_YVU420: + case DRM_FORMAT_NV12: + case DRM_FORMAT_NV21: + return 2; + default: + return 1; + } +} +EXPORT_SYMBOL(drm_format_vert_chroma_subsampling); + +/** + * drm_format_plane_width - width of the plane given the first plane + * @width: width of the first plane + * @format: pixel format + * @plane: plane index + * + * Returns: + * The width of @plane, given that the width of the first plane is @width. + */ +int drm_format_plane_width(int width, uint32_t format, int plane) +{ + if (plane >= drm_format_num_planes(format)) + return 0; + + if (plane == 0) + return width; + + return width / drm_format_horz_chroma_subsampling(format); +} +EXPORT_SYMBOL(drm_format_plane_width); + +/** + * drm_format_plane_height - height of the plane given the first plane + * @height: height of the first plane + * @format: pixel format + * @plane: plane index + * + * Returns: + * The height of @plane, given that the height of the first plane is @height. + */ +int drm_format_plane_height(int height, uint32_t format, int plane) +{ + if (plane >= drm_format_num_planes(format)) + return 0; + + if (plane == 0) + return height; + + return height / drm_format_vert_chroma_subsampling(format); +} +EXPORT_SYMBOL(drm_format_plane_height); diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c index 4dc41ff388f9..76e39c50c90c 100644 --- a/drivers/gpu/drm/drm_irq.c +++ b/drivers/gpu/drm/drm_irq.c @@ -1001,34 +1001,6 @@ static void send_vblank_event(struct drm_device *dev, } /** - * drm_arm_vblank_event - arm vblank event after pageflip - * @dev: DRM device - * @pipe: CRTC index - * @e: the event to prepare to send - * - * A lot of drivers need to generate vblank events for the very next vblank - * interrupt. For example when the page flip interrupt happens when the page - * flip gets armed, but not when it actually executes within the next vblank - * period. This helper function implements exactly the required vblank arming - * behaviour. - * - * Caller must hold event lock. Caller must also hold a vblank reference for - * the event @e, which will be dropped when the next vblank arrives. - * - * This is the legacy version of drm_crtc_arm_vblank_event(). - */ -void drm_arm_vblank_event(struct drm_device *dev, unsigned int pipe, - struct drm_pending_vblank_event *e) -{ - assert_spin_locked(&dev->event_lock); - - e->pipe = pipe; - e->event.sequence = drm_vblank_count(dev, pipe); - list_add_tail(&e->base.link, &dev->vblank_event_list); -} -EXPORT_SYMBOL(drm_arm_vblank_event); - -/** * drm_crtc_arm_vblank_event - arm vblank event after pageflip * @crtc: the source CRTC of the vblank event * @e: the event to send @@ -1041,32 +1013,35 @@ EXPORT_SYMBOL(drm_arm_vblank_event); * * Caller must hold event lock. Caller must also hold a vblank reference for * the event @e, which will be dropped when the next vblank arrives. - * - * This is the native KMS version of drm_arm_vblank_event(). */ void drm_crtc_arm_vblank_event(struct drm_crtc *crtc, struct drm_pending_vblank_event *e) { - drm_arm_vblank_event(crtc->dev, drm_crtc_index(crtc), e); + struct drm_device *dev = crtc->dev; + unsigned int pipe = drm_crtc_index(crtc); + + assert_spin_locked(&dev->event_lock); + + e->pipe = pipe; + e->event.sequence = drm_vblank_count(dev, pipe); + list_add_tail(&e->base.link, &dev->vblank_event_list); } EXPORT_SYMBOL(drm_crtc_arm_vblank_event); /** - * drm_send_vblank_event - helper to send vblank event after pageflip - * @dev: DRM device - * @pipe: CRTC index + * drm_crtc_send_vblank_event - helper to send vblank event after pageflip + * @crtc: the source CRTC of the vblank event * @e: the event to send * * Updates sequence # and timestamp on event, and sends it to userspace. * Caller must hold event lock. - * - * This is the legacy version of drm_crtc_send_vblank_event(). */ -void drm_send_vblank_event(struct drm_device *dev, unsigned int pipe, - struct drm_pending_vblank_event *e) +void drm_crtc_send_vblank_event(struct drm_crtc *crtc, + struct drm_pending_vblank_event *e) { + struct drm_device *dev = crtc->dev; + unsigned int seq, pipe = drm_crtc_index(crtc); struct timeval now; - unsigned int seq; if (dev->num_crtcs > 0) { seq = drm_vblank_count_and_time(dev, pipe, &now); @@ -1078,23 +1053,6 @@ void drm_send_vblank_event(struct drm_device *dev, unsigned int pipe, e->pipe = pipe; send_vblank_event(dev, e, seq, &now); } -EXPORT_SYMBOL(drm_send_vblank_event); - -/** - * drm_crtc_send_vblank_event - helper to send vblank event after pageflip - * @crtc: the source CRTC of the vblank event - * @e: the event to send - * - * Updates sequence # and timestamp on event, and sends it to userspace. - * Caller must hold event lock. - * - * This is the native KMS version of drm_send_vblank_event(). - */ -void drm_crtc_send_vblank_event(struct drm_crtc *crtc, - struct drm_pending_vblank_event *e) -{ - drm_send_vblank_event(crtc->dev, drm_crtc_index(crtc), e); -} EXPORT_SYMBOL(drm_crtc_send_vblank_event); /** @@ -1150,7 +1108,7 @@ static int drm_vblank_enable(struct drm_device *dev, unsigned int pipe) * Returns: * Zero on success or a negative error code on failure. */ -int drm_vblank_get(struct drm_device *dev, unsigned int pipe) +static int drm_vblank_get(struct drm_device *dev, unsigned int pipe) { struct drm_vblank_crtc *vblank = &dev->vblank[pipe]; unsigned long irqflags; @@ -1176,7 +1134,6 @@ int drm_vblank_get(struct drm_device *dev, unsigned int pipe) return ret; } -EXPORT_SYMBOL(drm_vblank_get); /** * drm_crtc_vblank_get - get a reference count on vblank events @@ -1185,8 +1142,6 @@ EXPORT_SYMBOL(drm_vblank_get); * Acquire a reference count on vblank events to avoid having them disabled * while in use. * - * This is the native kms version of drm_vblank_get(). - * * Returns: * Zero on success or a negative error code on failure. */ @@ -1206,7 +1161,7 @@ EXPORT_SYMBOL(drm_crtc_vblank_get); * * This is the legacy version of drm_crtc_vblank_put(). */ -void drm_vblank_put(struct drm_device *dev, unsigned int pipe) +static void drm_vblank_put(struct drm_device *dev, unsigned int pipe) { struct drm_vblank_crtc *vblank = &dev->vblank[pipe]; @@ -1227,7 +1182,6 @@ void drm_vblank_put(struct drm_device *dev, unsigned int pipe) jiffies + ((drm_vblank_offdelay * HZ)/1000)); } } -EXPORT_SYMBOL(drm_vblank_put); /** * drm_crtc_vblank_put - give up ownership of vblank events @@ -1235,8 +1189,6 @@ EXPORT_SYMBOL(drm_vblank_put); * * Release ownership of a given vblank counter, turning off interrupts * if possible. Disable interrupts after drm_vblank_offdelay milliseconds. - * - * This is the native kms version of drm_vblank_put(). */ void drm_crtc_vblank_put(struct drm_crtc *crtc) { diff --git a/drivers/gpu/drm/drm_mipi_dsi.c b/drivers/gpu/drm/drm_mipi_dsi.c index 7938ce7ebed8..49311fc61d5d 100644 --- a/drivers/gpu/drm/drm_mipi_dsi.c +++ b/drivers/gpu/drm/drm_mipi_dsi.c @@ -60,6 +60,21 @@ static int mipi_dsi_device_match(struct device *dev, struct device_driver *drv) return 0; } +static int mipi_dsi_uevent(struct device *dev, struct kobj_uevent_env *env) +{ + struct mipi_dsi_device *dsi = to_mipi_dsi_device(dev); + int err; + + err = of_device_uevent_modalias(dev, env); + if (err != -ENODEV) + return err; + + add_uevent_var(env, "MODALIAS=%s%s", MIPI_DSI_MODULE_PREFIX, + dsi->name); + + return 0; +} + static const struct dev_pm_ops mipi_dsi_device_pm_ops = { .runtime_suspend = pm_generic_runtime_suspend, .runtime_resume = pm_generic_runtime_resume, @@ -74,6 +89,7 @@ static const struct dev_pm_ops mipi_dsi_device_pm_ops = { static struct bus_type mipi_dsi_bus_type = { .name = "mipi-dsi", .match = mipi_dsi_device_match, + .uevent = mipi_dsi_uevent, .pm = &mipi_dsi_device_pm_ops, }; diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c index aab0f3f1f42d..780589b420a4 100644 --- a/drivers/gpu/drm/drm_prime.c +++ b/drivers/gpu/drm/drm_prime.c @@ -593,7 +593,7 @@ int drm_gem_prime_fd_to_handle(struct drm_device *dev, get_dma_buf(dma_buf); } - /* drm_gem_handle_create_tail unlocks dev->object_name_lock. */ + /* _handle_create_tail unconditionally unlocks dev->object_name_lock. */ ret = drm_gem_handle_create_tail(file_priv, obj, handle); drm_gem_object_unreference_unlocked(obj); if (ret) @@ -601,11 +601,10 @@ int drm_gem_prime_fd_to_handle(struct drm_device *dev, ret = drm_prime_add_buf_handle(&file_priv->prime, dma_buf, *handle); + mutex_unlock(&file_priv->prime.lock); if (ret) goto fail; - mutex_unlock(&file_priv->prime.lock); - dma_buf_put(dma_buf); return 0; @@ -615,11 +614,14 @@ fail: * to detach.. which seems ok.. */ drm_gem_handle_delete(file_priv, *handle); + dma_buf_put(dma_buf); + return ret; + out_unlock: mutex_unlock(&dev->object_name_lock); out_put: - dma_buf_put(dma_buf); mutex_unlock(&file_priv->prime.lock); + dma_buf_put(dma_buf); return ret; } EXPORT_SYMBOL(drm_gem_prime_fd_to_handle); diff --git a/drivers/gpu/drm/drm_simple_kms_helper.c b/drivers/gpu/drm/drm_simple_kms_helper.c new file mode 100644 index 000000000000..b2071d495ada --- /dev/null +++ b/drivers/gpu/drm/drm_simple_kms_helper.c @@ -0,0 +1,205 @@ +/* + * Copyright (C) 2016 Noralf Trønnes + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#include <drm/drmP.h> +#include <drm/drm_atomic.h> +#include <drm/drm_atomic_helper.h> +#include <drm/drm_crtc_helper.h> +#include <drm/drm_plane_helper.h> +#include <drm/drm_simple_kms_helper.h> +#include <linux/slab.h> + +/** + * DOC: overview + * + * This helper library provides helpers for drivers for simple display + * hardware. + * + * drm_simple_display_pipe_init() initializes a simple display pipeline + * which has only one full-screen scanout buffer feeding one output. The + * pipeline is represented by struct &drm_simple_display_pipe and binds + * together &drm_plane, &drm_crtc and &drm_encoder structures into one fixed + * entity. Some flexibility for code reuse is provided through a separately + * allocated &drm_connector object and supporting optional &drm_bridge + * encoder drivers. + */ + +static const struct drm_encoder_funcs drm_simple_kms_encoder_funcs = { + .destroy = drm_encoder_cleanup, +}; + +static void drm_simple_kms_crtc_enable(struct drm_crtc *crtc) +{ + struct drm_simple_display_pipe *pipe; + + pipe = container_of(crtc, struct drm_simple_display_pipe, crtc); + if (!pipe->funcs || !pipe->funcs->enable) + return; + + pipe->funcs->enable(pipe, crtc->state); +} + +static void drm_simple_kms_crtc_disable(struct drm_crtc *crtc) +{ + struct drm_simple_display_pipe *pipe; + + pipe = container_of(crtc, struct drm_simple_display_pipe, crtc); + if (!pipe->funcs || !pipe->funcs->disable) + return; + + pipe->funcs->disable(pipe); +} + +static const struct drm_crtc_helper_funcs drm_simple_kms_crtc_helper_funcs = { + .disable = drm_simple_kms_crtc_disable, + .enable = drm_simple_kms_crtc_enable, +}; + +static const struct drm_crtc_funcs drm_simple_kms_crtc_funcs = { + .reset = drm_atomic_helper_crtc_reset, + .destroy = drm_crtc_cleanup, + .set_config = drm_atomic_helper_set_config, + .page_flip = drm_atomic_helper_page_flip, + .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state, + .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state, +}; + +static int drm_simple_kms_plane_atomic_check(struct drm_plane *plane, + struct drm_plane_state *plane_state) +{ + struct drm_rect src = { + .x1 = plane_state->src_x, + .y1 = plane_state->src_y, + .x2 = plane_state->src_x + plane_state->src_w, + .y2 = plane_state->src_y + plane_state->src_h, + }; + struct drm_rect dest = { + .x1 = plane_state->crtc_x, + .y1 = plane_state->crtc_y, + .x2 = plane_state->crtc_x + plane_state->crtc_w, + .y2 = plane_state->crtc_y + plane_state->crtc_h, + }; + struct drm_rect clip = { 0 }; + struct drm_simple_display_pipe *pipe; + struct drm_crtc_state *crtc_state; + bool visible; + int ret; + + pipe = container_of(plane, struct drm_simple_display_pipe, plane); + crtc_state = drm_atomic_get_existing_crtc_state(plane_state->state, + &pipe->crtc); + if (crtc_state->enable != !!plane_state->crtc) + return -EINVAL; /* plane must match crtc enable state */ + + if (!crtc_state->enable) + return 0; /* nothing to check when disabling or disabled */ + + clip.x2 = crtc_state->adjusted_mode.hdisplay; + clip.y2 = crtc_state->adjusted_mode.vdisplay; + ret = drm_plane_helper_check_update(plane, &pipe->crtc, + plane_state->fb, + &src, &dest, &clip, + DRM_PLANE_HELPER_NO_SCALING, + DRM_PLANE_HELPER_NO_SCALING, + false, true, &visible); + if (ret) + return ret; + + if (!visible) + return -EINVAL; + + if (!pipe->funcs || !pipe->funcs->check) + return 0; + + return pipe->funcs->check(pipe, plane_state, crtc_state); +} + +static void drm_simple_kms_plane_atomic_update(struct drm_plane *plane, + struct drm_plane_state *pstate) +{ + struct drm_simple_display_pipe *pipe; + + pipe = container_of(plane, struct drm_simple_display_pipe, plane); + if (!pipe->funcs || !pipe->funcs->update) + return; + + pipe->funcs->update(pipe, pstate); +} + +static const struct drm_plane_helper_funcs drm_simple_kms_plane_helper_funcs = { + .atomic_check = drm_simple_kms_plane_atomic_check, + .atomic_update = drm_simple_kms_plane_atomic_update, +}; + +static const struct drm_plane_funcs drm_simple_kms_plane_funcs = { + .update_plane = drm_atomic_helper_update_plane, + .disable_plane = drm_atomic_helper_disable_plane, + .destroy = drm_plane_cleanup, + .reset = drm_atomic_helper_plane_reset, + .atomic_duplicate_state = drm_atomic_helper_plane_duplicate_state, + .atomic_destroy_state = drm_atomic_helper_plane_destroy_state, +}; + +/** + * drm_simple_display_pipe_init - Initialize a simple display pipeline + * @dev: DRM device + * @pipe: simple display pipe object to initialize + * @funcs: callbacks for the display pipe (optional) + * @formats: array of supported formats (%DRM_FORMAT_*) + * @format_count: number of elements in @formats + * @connector: connector to attach and register + * + * Sets up a display pipeline which consist of a really simple + * plane-crtc-encoder pipe coupled with the provided connector. + * Teardown of a simple display pipe is all handled automatically by the drm + * core through calling drm_mode_config_cleanup(). Drivers afterwards need to + * release the memory for the structure themselves. + * + * Returns: + * Zero on success, negative error code on failure. + */ +int drm_simple_display_pipe_init(struct drm_device *dev, + struct drm_simple_display_pipe *pipe, + const struct drm_simple_display_pipe_funcs *funcs, + const uint32_t *formats, unsigned int format_count, + struct drm_connector *connector) +{ + struct drm_encoder *encoder = &pipe->encoder; + struct drm_plane *plane = &pipe->plane; + struct drm_crtc *crtc = &pipe->crtc; + int ret; + + pipe->connector = connector; + pipe->funcs = funcs; + + drm_plane_helper_add(plane, &drm_simple_kms_plane_helper_funcs); + ret = drm_universal_plane_init(dev, plane, 0, + &drm_simple_kms_plane_funcs, + formats, format_count, + DRM_PLANE_TYPE_PRIMARY, NULL); + if (ret) + return ret; + + drm_crtc_helper_add(crtc, &drm_simple_kms_crtc_helper_funcs); + ret = drm_crtc_init_with_planes(dev, crtc, plane, NULL, + &drm_simple_kms_crtc_funcs, NULL); + if (ret) + return ret; + + encoder->possible_crtcs = 1 << drm_crtc_index(crtc); + ret = drm_encoder_init(dev, encoder, &drm_simple_kms_encoder_funcs, + DRM_MODE_ENCODER_NONE, NULL); + if (ret) + return ret; + + return drm_mode_connector_attach_encoder(connector, encoder); +} +EXPORT_SYMBOL(drm_simple_display_pipe_init); + +MODULE_LICENSE("GPL"); diff --git a/drivers/gpu/drm/drm_sysfs.c b/drivers/gpu/drm/drm_sysfs.c index fa7fadce8063..32dd821b7202 100644 --- a/drivers/gpu/drm/drm_sysfs.c +++ b/drivers/gpu/drm/drm_sysfs.c @@ -32,75 +32,6 @@ static struct device_type drm_sysfs_device_minor = { struct class *drm_class; -/** - * __drm_class_suspend - internal DRM class suspend routine - * @dev: Linux device to suspend - * @state: power state to enter - * - * Just figures out what the actual struct drm_device associated with - * @dev is and calls its suspend hook, if present. - */ -static int __drm_class_suspend(struct device *dev, pm_message_t state) -{ - if (dev->type == &drm_sysfs_device_minor) { - struct drm_minor *drm_minor = to_drm_minor(dev); - struct drm_device *drm_dev = drm_minor->dev; - - if (drm_minor->type == DRM_MINOR_LEGACY && - !drm_core_check_feature(drm_dev, DRIVER_MODESET) && - drm_dev->driver->suspend) - return drm_dev->driver->suspend(drm_dev, state); - } - return 0; -} - -/** - * drm_class_suspend - internal DRM class suspend hook. Simply calls - * __drm_class_suspend() with the correct pm state. - * @dev: Linux device to suspend - */ -static int drm_class_suspend(struct device *dev) -{ - return __drm_class_suspend(dev, PMSG_SUSPEND); -} - -/** - * drm_class_freeze - internal DRM class freeze hook. Simply calls - * __drm_class_suspend() with the correct pm state. - * @dev: Linux device to freeze - */ -static int drm_class_freeze(struct device *dev) -{ - return __drm_class_suspend(dev, PMSG_FREEZE); -} - -/** - * drm_class_resume - DRM class resume hook - * @dev: Linux device to resume - * - * Just figures out what the actual struct drm_device associated with - * @dev is and calls its resume hook, if present. - */ -static int drm_class_resume(struct device *dev) -{ - if (dev->type == &drm_sysfs_device_minor) { - struct drm_minor *drm_minor = to_drm_minor(dev); - struct drm_device *drm_dev = drm_minor->dev; - - if (drm_minor->type == DRM_MINOR_LEGACY && - !drm_core_check_feature(drm_dev, DRIVER_MODESET) && - drm_dev->driver->resume) - return drm_dev->driver->resume(drm_dev); - } - return 0; -} - -static const struct dev_pm_ops drm_class_dev_pm_ops = { - .suspend = drm_class_suspend, - .resume = drm_class_resume, - .freeze = drm_class_freeze, -}; - static char *drm_devnode(struct device *dev, umode_t *mode) { return kasprintf(GFP_KERNEL, "dri/%s", dev_name(dev)); @@ -131,8 +62,6 @@ int drm_sysfs_init(void) if (IS_ERR(drm_class)) return PTR_ERR(drm_class); - drm_class->pm = &drm_class_dev_pm_ops; - err = class_create_file(drm_class, &class_attr_version.attr); if (err) { class_destroy(drm_class); diff --git a/drivers/gpu/drm/exynos/exynos_drm_dpi.c b/drivers/gpu/drm/exynos/exynos_drm_dpi.c index 5e38e749ac17..ad6b73c7fc59 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_dpi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_dpi.c @@ -93,17 +93,8 @@ static int exynos_dpi_get_modes(struct drm_connector *connector) return 0; } -static struct drm_encoder * -exynos_dpi_best_encoder(struct drm_connector *connector) -{ - struct exynos_dpi *ctx = connector_to_dpi(connector); - - return &ctx->encoder; -} - static const struct drm_connector_helper_funcs exynos_dpi_connector_helper_funcs = { .get_modes = exynos_dpi_get_modes, - .best_encoder = exynos_dpi_best_encoder, }; static int exynos_dpi_create_connector(struct drm_encoder *encoder) diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c index 843b21c540b3..4a679fb9bb02 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.c +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c @@ -299,7 +299,7 @@ int exynos_atomic_commit(struct drm_device *dev, struct drm_atomic_state *state, priv->pending |= commit->crtcs; spin_unlock(&priv->lock); - drm_atomic_helper_swap_state(dev, state); + drm_atomic_helper_swap_state(state, true); if (nonblock) schedule_work(&commit->work); diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c index 601ecf8006a7..e07cb1fe4860 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c @@ -1566,17 +1566,8 @@ static int exynos_dsi_get_modes(struct drm_connector *connector) return 0; } -static struct drm_encoder * -exynos_dsi_best_encoder(struct drm_connector *connector) -{ - struct exynos_dsi *dsi = connector_to_dsi(connector); - - return &dsi->encoder; -} - static const struct drm_connector_helper_funcs exynos_dsi_connector_helper_funcs = { .get_modes = exynos_dsi_get_modes, - .best_encoder = exynos_dsi_best_encoder, }; static int exynos_dsi_create_connector(struct drm_encoder *encoder) diff --git a/drivers/gpu/drm/exynos/exynos_drm_plane.c b/drivers/gpu/drm/exynos/exynos_drm_plane.c index 55f1d37c666a..77f12c00abf9 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_plane.c +++ b/drivers/gpu/drm/exynos/exynos_drm_plane.c @@ -242,7 +242,7 @@ exynos_drm_plane_check_size(const struct exynos_drm_plane_config *config, state->v_ratio == (1 << 15)) height_ok = true; - if (width_ok & height_ok) + if (width_ok && height_ok) return 0; DRM_DEBUG_KMS("scaling mode is not supported"); diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/drivers/gpu/drm/exynos/exynos_drm_vidi.c index 608b0afa337f..e8f6c92b2a36 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c @@ -378,16 +378,8 @@ static int vidi_get_modes(struct drm_connector *connector) return drm_add_edid_modes(connector, edid); } -static struct drm_encoder *vidi_best_encoder(struct drm_connector *connector) -{ - struct vidi_context *ctx = ctx_from_connector(connector); - - return &ctx->encoder; -} - static const struct drm_connector_helper_funcs vidi_connector_helper_funcs = { .get_modes = vidi_get_modes, - .best_encoder = vidi_best_encoder, }; static int vidi_create_connector(struct drm_encoder *encoder) diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c index 58de5a430508..1625d7c8a319 100644 --- a/drivers/gpu/drm/exynos/exynos_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c @@ -937,17 +937,9 @@ static int hdmi_mode_valid(struct drm_connector *connector, return MODE_OK; } -static struct drm_encoder *hdmi_best_encoder(struct drm_connector *connector) -{ - struct hdmi_context *hdata = connector_to_hdmi(connector); - - return &hdata->encoder; -} - static const struct drm_connector_helper_funcs hdmi_connector_helper_funcs = { .get_modes = hdmi_get_modes, .mode_valid = hdmi_mode_valid, - .best_encoder = hdmi_best_encoder, }; static int hdmi_create_connector(struct drm_encoder *encoder) diff --git a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_crtc.c b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_crtc.c index 89c0084c2814..706de3278f1c 100644 --- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_crtc.c +++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_crtc.c @@ -22,20 +22,21 @@ #include "fsl_dcu_drm_drv.h" #include "fsl_dcu_drm_plane.h" -static void fsl_dcu_drm_crtc_atomic_begin(struct drm_crtc *crtc, +static void fsl_dcu_drm_crtc_atomic_flush(struct drm_crtc *crtc, struct drm_crtc_state *old_crtc_state) { -} + struct drm_pending_vblank_event *event = crtc->state->event; -static int fsl_dcu_drm_crtc_atomic_check(struct drm_crtc *crtc, - struct drm_crtc_state *state) -{ - return 0; -} + if (event) { + crtc->state->event = NULL; -static void fsl_dcu_drm_crtc_atomic_flush(struct drm_crtc *crtc, - struct drm_crtc_state *old_crtc_state) -{ + spin_lock_irq(&crtc->dev->event_lock); + if (drm_crtc_vblank_get(crtc) == 0) + drm_crtc_arm_vblank_event(crtc, event); + else + drm_crtc_send_vblank_event(crtc, event); + spin_unlock_irq(&crtc->dev->event_lock); + } } static void fsl_dcu_drm_disable_crtc(struct drm_crtc *crtc) @@ -117,8 +118,6 @@ static void fsl_dcu_drm_crtc_mode_set_nofb(struct drm_crtc *crtc) } static const struct drm_crtc_helper_funcs fsl_dcu_drm_crtc_helper_funcs = { - .atomic_begin = fsl_dcu_drm_crtc_atomic_begin, - .atomic_check = fsl_dcu_drm_crtc_atomic_check, .atomic_flush = fsl_dcu_drm_crtc_atomic_flush, .disable = fsl_dcu_drm_disable_crtc, .enable = fsl_dcu_drm_crtc_enable, diff --git a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_rgb.c b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_rgb.c index 98c998da91eb..0b0989e503ea 100644 --- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_rgb.c +++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_rgb.c @@ -102,14 +102,6 @@ static const struct drm_connector_funcs fsl_dcu_drm_connector_funcs = { .reset = drm_atomic_helper_connector_reset, }; -static struct drm_encoder * -fsl_dcu_drm_connector_best_encoder(struct drm_connector *connector) -{ - struct fsl_dcu_drm_connector *fsl_con = to_fsl_dcu_connector(connector); - - return fsl_con->encoder; -} - static int fsl_dcu_drm_connector_get_modes(struct drm_connector *connector) { struct fsl_dcu_drm_connector *fsl_connector; @@ -136,7 +128,6 @@ static int fsl_dcu_drm_connector_mode_valid(struct drm_connector *connector, } static const struct drm_connector_helper_funcs connector_helper_funcs = { - .best_encoder = fsl_dcu_drm_connector_best_encoder, .get_modes = fsl_dcu_drm_connector_get_modes, .mode_valid = fsl_dcu_drm_connector_mode_valid, }; diff --git a/drivers/gpu/drm/gma500/gma_display.c b/drivers/gpu/drm/gma500/gma_display.c index 5b636bf0b467..1a1cf7a3b5ef 100644 --- a/drivers/gpu/drm/gma500/gma_display.c +++ b/drivers/gpu/drm/gma500/gma_display.c @@ -282,7 +282,7 @@ void gma_crtc_dpms(struct drm_crtc *crtc, int mode) REG_WRITE(VGACNTRL, VGA_DISP_DISABLE); /* Turn off vblank interrupts */ - drm_vblank_off(dev, pipe); + drm_crtc_vblank_off(crtc); /* Wait for vblank for the disable to take effect */ gma_wait_for_vblank(dev); diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c index fba6372d060e..ed76baad525f 100644 --- a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c +++ b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c @@ -502,13 +502,6 @@ static void ade_crtc_disable(struct drm_crtc *crtc) acrtc->enable = false; } -static int ade_crtc_atomic_check(struct drm_crtc *crtc, - struct drm_crtc_state *state) -{ - /* do nothing */ - return 0; -} - static void ade_crtc_mode_set_nofb(struct drm_crtc *crtc) { struct ade_crtc *acrtc = to_ade_crtc(crtc); @@ -537,6 +530,7 @@ static void ade_crtc_atomic_flush(struct drm_crtc *crtc, { struct ade_crtc *acrtc = to_ade_crtc(crtc); struct ade_hw_ctx *ctx = acrtc->ctx; + struct drm_pending_vblank_event *event = crtc->state->event; void __iomem *base = ctx->base; /* only crtc is enabled regs take effect */ @@ -545,12 +539,22 @@ static void ade_crtc_atomic_flush(struct drm_crtc *crtc, /* flush ade registers */ writel(ADE_ENABLE, base + ADE_EN); } + + if (event) { + crtc->state->event = NULL; + + spin_lock_irq(&crtc->dev->event_lock); + if (drm_crtc_vblank_get(crtc) == 0) + drm_crtc_arm_vblank_event(crtc, event); + else + drm_crtc_send_vblank_event(crtc, event); + spin_unlock_irq(&crtc->dev->event_lock); + } } static const struct drm_crtc_helper_funcs ade_crtc_helper_funcs = { .enable = ade_crtc_enable, .disable = ade_crtc_disable, - .atomic_check = ade_crtc_atomic_check, .mode_set_nofb = ade_crtc_mode_set_nofb, .atomic_begin = ade_crtc_atomic_begin, .atomic_flush = ade_crtc_atomic_flush, diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index e4f2c55d9697..614ac085e51f 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -2393,16 +2393,16 @@ static int i915_ppgtt_info(struct seq_file *m, void *data) task = get_pid_task(file->pid, PIDTYPE_PID); if (!task) { ret = -ESRCH; - goto out_put; + goto out_unlock; } seq_printf(m, "\nproc: %s\n", task->comm); put_task_struct(task); idr_for_each(&file_priv->context_idr, per_file_ctx, (void *)(unsigned long)m); } +out_unlock: mutex_unlock(&dev->filelist_mutex); -out_put: intel_runtime_pm_put(dev_priv); mutex_unlock(&dev->struct_mutex); diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c index 622968161ac7..9465de4135aa 100644 --- a/drivers/gpu/drm/i915/intel_crt.c +++ b/drivers/gpu/drm/i915/intel_crt.c @@ -753,7 +753,6 @@ static const struct drm_connector_funcs intel_crt_connector_funcs = { static const struct drm_connector_helper_funcs intel_crt_connector_helper_funcs = { .mode_valid = intel_crt_mode_valid, .get_modes = intel_crt_get_modes, - .best_encoder = intel_best_encoder, }; static const struct drm_encoder_funcs intel_crt_enc_funcs = { diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 60cba1956c0d..49322f6cfa2b 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -13726,7 +13726,7 @@ static int intel_atomic_commit(struct drm_device *dev, return ret; } - drm_atomic_helper_swap_state(dev, state); + drm_atomic_helper_swap_state(state, true); dev_priv->wm.distrust_bios_wm = false; dev_priv->wm.skl_results = intel_state->wm_results; intel_shared_dpll_commit(state); @@ -16267,14 +16267,6 @@ void intel_modeset_cleanup(struct drm_device *dev) intel_teardown_gmbus(dev); } -/* - * Return which encoder is currently attached for connector. - */ -struct drm_encoder *intel_best_encoder(struct drm_connector *connector) -{ - return &intel_attached_encoder(connector)->base; -} - void intel_connector_attach_encoder(struct intel_connector *connector, struct intel_encoder *encoder) { diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index f97cd5305e4c..be083519dac9 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -4580,7 +4580,6 @@ static const struct drm_connector_funcs intel_dp_connector_funcs = { static const struct drm_connector_helper_funcs intel_dp_connector_helper_funcs = { .get_modes = intel_dp_get_modes, .mode_valid = intel_dp_mode_valid, - .best_encoder = intel_best_encoder, }; static const struct drm_encoder_funcs intel_dp_enc_funcs = { diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h index ebe7b3427e2e..270da8de0acf 100644 --- a/drivers/gpu/drm/i915/intel_drv.h +++ b/drivers/gpu/drm/i915/intel_drv.h @@ -1154,7 +1154,6 @@ struct intel_connector *intel_connector_alloc(void); bool intel_connector_get_hw_state(struct intel_connector *connector); void intel_connector_attach_encoder(struct intel_connector *connector, struct intel_encoder *encoder); -struct drm_encoder *intel_best_encoder(struct drm_connector *connector); struct drm_display_mode *intel_crtc_mode_get(struct drm_device *dev, struct drm_crtc *crtc); enum pipe intel_get_pipe_from_connector(struct intel_connector *connector); diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c index c70132aa91d5..a2ead5eac336 100644 --- a/drivers/gpu/drm/i915/intel_dsi.c +++ b/drivers/gpu/drm/i915/intel_dsi.c @@ -1379,7 +1379,6 @@ static const struct drm_encoder_funcs intel_dsi_funcs = { static const struct drm_connector_helper_funcs intel_dsi_connector_helper_funcs = { .get_modes = intel_dsi_get_modes, .mode_valid = intel_dsi_mode_valid, - .best_encoder = intel_best_encoder, }; static const struct drm_connector_funcs intel_dsi_connector_funcs = { diff --git a/drivers/gpu/drm/i915/intel_dvo.c b/drivers/gpu/drm/i915/intel_dvo.c index a456f2eb68b6..c86f88ed92fd 100644 --- a/drivers/gpu/drm/i915/intel_dvo.c +++ b/drivers/gpu/drm/i915/intel_dvo.c @@ -351,7 +351,6 @@ static const struct drm_connector_funcs intel_dvo_connector_funcs = { static const struct drm_connector_helper_funcs intel_dvo_connector_helper_funcs = { .mode_valid = intel_dvo_mode_valid, .get_modes = intel_dvo_get_modes, - .best_encoder = intel_best_encoder, }; static void intel_dvo_enc_destroy(struct drm_encoder *encoder) diff --git a/drivers/gpu/drm/i915/intel_fbdev.c b/drivers/gpu/drm/i915/intel_fbdev.c index ef8e67690f3d..4c725ad6fb54 100644 --- a/drivers/gpu/drm/i915/intel_fbdev.c +++ b/drivers/gpu/drm/i915/intel_fbdev.c @@ -724,8 +724,6 @@ int intel_fbdev_init(struct drm_device *dev) return ret; } - ifbdev->helper.atomic = true; - dev_priv->fbdev = ifbdev; INIT_WORK(&dev_priv->fbdev_suspend_work, intel_fbdev_suspend_worker); diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index eb455ea6ea92..6b29da9bba38 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -1782,7 +1782,6 @@ static const struct drm_connector_funcs intel_hdmi_connector_funcs = { static const struct drm_connector_helper_funcs intel_hdmi_connector_helper_funcs = { .get_modes = intel_hdmi_get_modes, .mode_valid = intel_hdmi_mode_valid, - .best_encoder = intel_best_encoder, }; static const struct drm_encoder_funcs intel_hdmi_enc_funcs = { diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c index 62eaa895fe5b..e06b9036bebc 100644 --- a/drivers/gpu/drm/i915/intel_lvds.c +++ b/drivers/gpu/drm/i915/intel_lvds.c @@ -547,7 +547,6 @@ static int intel_lvds_set_property(struct drm_connector *connector, static const struct drm_connector_helper_funcs intel_lvds_connector_helper_funcs = { .get_modes = intel_lvds_get_modes, .mode_valid = intel_lvds_mode_valid, - .best_encoder = intel_best_encoder, }; static const struct drm_connector_funcs intel_lvds_connector_funcs = { diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c index 1a71456bd12a..ab2d0658abe6 100644 --- a/drivers/gpu/drm/i915/intel_sdvo.c +++ b/drivers/gpu/drm/i915/intel_sdvo.c @@ -2191,7 +2191,6 @@ static const struct drm_connector_funcs intel_sdvo_connector_funcs = { static const struct drm_connector_helper_funcs intel_sdvo_connector_helper_funcs = { .get_modes = intel_sdvo_get_modes, .mode_valid = intel_sdvo_mode_valid, - .best_encoder = intel_best_encoder, }; static void intel_sdvo_enc_destroy(struct drm_encoder *encoder) diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c index 1f3a0e1e1a1f..7ac9e9b0e2c3 100644 --- a/drivers/gpu/drm/i915/intel_tv.c +++ b/drivers/gpu/drm/i915/intel_tv.c @@ -1512,7 +1512,6 @@ static const struct drm_connector_funcs intel_tv_connector_funcs = { static const struct drm_connector_helper_funcs intel_tv_connector_helper_funcs = { .mode_valid = intel_tv_mode_valid, .get_modes = intel_tv_get_modes, - .best_encoder = intel_best_encoder, }; static const struct drm_encoder_funcs intel_tv_enc_funcs = { diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c index 06a417b2f91e..c33bf98c5d5e 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -91,7 +91,7 @@ static int mtk_atomic_commit(struct drm_device *drm, mutex_lock(&private->commit.lock); flush_work(&private->commit.work); - drm_atomic_helper_swap_state(drm, state); + drm_atomic_helper_swap_state(state, true); if (async) mtk_atomic_schedule(private, state); diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c index 769559124562..28b2044ed9f2 100644 --- a/drivers/gpu/drm/mediatek/mtk_dsi.c +++ b/drivers/gpu/drm/mediatek/mtk_dsi.c @@ -575,14 +575,6 @@ static int mtk_dsi_connector_get_modes(struct drm_connector *connector) return drm_panel_get_modes(dsi->panel); } -static struct drm_encoder *mtk_dsi_connector_best_encoder( - struct drm_connector *connector) -{ - struct mtk_dsi *dsi = connector_to_dsi(connector); - - return &dsi->encoder; -} - static const struct drm_encoder_helper_funcs mtk_dsi_encoder_helper_funcs = { .mode_fixup = mtk_dsi_encoder_mode_fixup, .mode_set = mtk_dsi_encoder_mode_set, @@ -603,7 +595,6 @@ static const struct drm_connector_funcs mtk_dsi_connector_funcs = { static const struct drm_connector_helper_funcs mtk_dsi_connector_helper_funcs = { .get_modes = mtk_dsi_connector_get_modes, - .best_encoder = mtk_dsi_connector_best_encoder, }; static int mtk_drm_attach_bridge(struct drm_bridge *bridge, diff --git a/drivers/gpu/drm/msm/edp/edp_connector.c b/drivers/gpu/drm/msm/edp/edp_connector.c index 72360cd038c0..5960628ceb93 100644 --- a/drivers/gpu/drm/msm/edp/edp_connector.c +++ b/drivers/gpu/drm/msm/edp/edp_connector.c @@ -91,15 +91,6 @@ static int edp_connector_mode_valid(struct drm_connector *connector, return MODE_OK; } -static struct drm_encoder * -edp_connector_best_encoder(struct drm_connector *connector) -{ - struct edp_connector *edp_connector = to_edp_connector(connector); - - DBG(""); - return edp_connector->edp->encoder; -} - static const struct drm_connector_funcs edp_connector_funcs = { .dpms = drm_atomic_helper_connector_dpms, .detect = edp_connector_detect, @@ -113,7 +104,6 @@ static const struct drm_connector_funcs edp_connector_funcs = { static const struct drm_connector_helper_funcs edp_connector_helper_funcs = { .get_modes = edp_connector_get_modes, .mode_valid = edp_connector_mode_valid, - .best_encoder = edp_connector_best_encoder, }; /* initialize connector */ diff --git a/drivers/gpu/drm/msm/hdmi/hdmi_connector.c b/drivers/gpu/drm/msm/hdmi/hdmi_connector.c index b15d72683112..a2515b466ce5 100644 --- a/drivers/gpu/drm/msm/hdmi/hdmi_connector.c +++ b/drivers/gpu/drm/msm/hdmi/hdmi_connector.c @@ -406,13 +406,6 @@ static int msm_hdmi_connector_mode_valid(struct drm_connector *connector, return 0; } -static struct drm_encoder * -msm_hdmi_connector_best_encoder(struct drm_connector *connector) -{ - struct hdmi_connector *hdmi_connector = to_hdmi_connector(connector); - return hdmi_connector->hdmi->encoder; -} - static const struct drm_connector_funcs hdmi_connector_funcs = { .dpms = drm_atomic_helper_connector_dpms, .detect = hdmi_connector_detect, @@ -426,7 +419,6 @@ static const struct drm_connector_funcs hdmi_connector_funcs = { static const struct drm_connector_helper_funcs msm_hdmi_connector_helper_funcs = { .get_modes = msm_hdmi_connector_get_modes, .mode_valid = msm_hdmi_connector_mode_valid, - .best_encoder = msm_hdmi_connector_best_encoder, }; /* initialize connector */ diff --git a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_lvds_connector.c b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_lvds_connector.c index 2648cd7631ef..353429b05733 100644 --- a/drivers/gpu/drm/msm/mdp/mdp4/mdp4_lvds_connector.c +++ b/drivers/gpu/drm/msm/mdp/mdp4/mdp4_lvds_connector.c @@ -90,14 +90,6 @@ static int mdp4_lvds_connector_mode_valid(struct drm_connector *connector, return MODE_OK; } -static struct drm_encoder * -mdp4_lvds_connector_best_encoder(struct drm_connector *connector) -{ - struct mdp4_lvds_connector *mdp4_lvds_connector = - to_mdp4_lvds_connector(connector); - return mdp4_lvds_connector->encoder; -} - static const struct drm_connector_funcs mdp4_lvds_connector_funcs = { .dpms = drm_atomic_helper_connector_dpms, .detect = mdp4_lvds_connector_detect, @@ -111,7 +103,6 @@ static const struct drm_connector_funcs mdp4_lvds_connector_funcs = { static const struct drm_connector_helper_funcs mdp4_lvds_connector_helper_funcs = { .get_modes = mdp4_lvds_connector_get_modes, .mode_valid = mdp4_lvds_connector_mode_valid, - .best_encoder = mdp4_lvds_connector_best_encoder, }; /* initialize connector */ diff --git a/drivers/gpu/drm/msm/msm_atomic.c b/drivers/gpu/drm/msm/msm_atomic.c index 8c3b463620bd..4a8a6f1f1151 100644 --- a/drivers/gpu/drm/msm/msm_atomic.c +++ b/drivers/gpu/drm/msm/msm_atomic.c @@ -238,7 +238,7 @@ int msm_atomic_commit(struct drm_device *dev, * the software side now. */ - drm_atomic_helper_swap_state(dev, state); + drm_atomic_helper_swap_state(state, true); /* * Everything below can be run asynchronously without the need to grab diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c index 7c77f960c8b8..6072fe292db8 100644 --- a/drivers/gpu/drm/nouveau/nouveau_display.c +++ b/drivers/gpu/drm/nouveau/nouveau_display.c @@ -760,12 +760,11 @@ nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb, /* Initialize a page flip struct */ *s = (struct nouveau_page_flip_state) - { { }, event, nouveau_crtc(crtc)->index, - fb->bits_per_pixel, fb->pitches[0], crtc->x, crtc->y, + { { }, event, crtc, fb->bits_per_pixel, fb->pitches[0], new_bo->bo.offset }; /* Keep vblanks on during flip, for the target crtc of this flip */ - drm_vblank_get(dev, nouveau_crtc(crtc)->index); + drm_crtc_vblank_get(crtc); /* Emit a page flip */ if (drm->device.info.family >= NV_DEVICE_INFO_V0_TESLA) { @@ -810,7 +809,7 @@ nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb, return 0; fail_unreserve: - drm_vblank_put(dev, nouveau_crtc(crtc)->index); + drm_crtc_vblank_put(crtc); ttm_bo_unreserve(&old_bo->bo); fail_unpin: mutex_unlock(&cli->mutex); @@ -842,17 +841,17 @@ nouveau_finish_page_flip(struct nouveau_channel *chan, s = list_first_entry(&fctx->flip, struct nouveau_page_flip_state, head); if (s->event) { if (drm->device.info.family < NV_DEVICE_INFO_V0_TESLA) { - drm_arm_vblank_event(dev, s->crtc, s->event); + drm_crtc_arm_vblank_event(s->crtc, s->event); } else { - drm_send_vblank_event(dev, s->crtc, s->event); + drm_crtc_send_vblank_event(s->crtc, s->event); /* Give up ownership of vblank for page-flipped crtc */ - drm_vblank_put(dev, s->crtc); + drm_crtc_vblank_put(s->crtc); } } else { /* Give up ownership of vblank for page-flipped crtc */ - drm_vblank_put(dev, s->crtc); + drm_crtc_vblank_put(s->crtc); } list_del(&s->head); @@ -873,9 +872,10 @@ nouveau_flip_complete(struct nvif_notify *notify) if (!nouveau_finish_page_flip(chan, &state)) { if (drm->device.info.family < NV_DEVICE_INFO_V0_TESLA) { - nv_set_crtc_base(drm->dev, state.crtc, state.offset + - state.y * state.pitch + - state.x * state.bpp / 8); + nv_set_crtc_base(drm->dev, drm_crtc_index(state.crtc), + state.offset + state.crtc->y * + state.pitch + state.crtc->x * + state.bpp / 8); } } diff --git a/drivers/gpu/drm/nouveau/nouveau_display.h b/drivers/gpu/drm/nouveau/nouveau_display.h index 24273bacd885..0420ee861ea4 100644 --- a/drivers/gpu/drm/nouveau/nouveau_display.h +++ b/drivers/gpu/drm/nouveau/nouveau_display.h @@ -28,7 +28,8 @@ int nouveau_framebuffer_init(struct drm_device *, struct nouveau_framebuffer *, struct nouveau_page_flip_state { struct list_head head; struct drm_pending_vblank_event *event; - int crtc, bpp, pitch, x, y; + struct drm_crtc *crtc; + int bpp, pitch; u64 offset; }; diff --git a/drivers/gpu/drm/omapdrm/omap_connector.c b/drivers/gpu/drm/omapdrm/omap_connector.c index ce2d67b6a8c7..137fe690a0da 100644 --- a/drivers/gpu/drm/omapdrm/omap_connector.c +++ b/drivers/gpu/drm/omapdrm/omap_connector.c @@ -32,7 +32,6 @@ struct omap_connector { struct drm_connector base; struct omap_dss_device *dssdev; - struct drm_encoder *encoder; bool hdmi_mode; }; @@ -256,13 +255,6 @@ static int omap_connector_mode_valid(struct drm_connector *connector, return ret; } -struct drm_encoder *omap_connector_attached_encoder( - struct drm_connector *connector) -{ - struct omap_connector *omap_connector = to_omap_connector(connector); - return omap_connector->encoder; -} - static const struct drm_connector_funcs omap_connector_funcs = { .dpms = drm_atomic_helper_connector_dpms, .reset = drm_atomic_helper_connector_reset, @@ -276,7 +268,6 @@ static const struct drm_connector_funcs omap_connector_funcs = { static const struct drm_connector_helper_funcs omap_connector_helper_funcs = { .get_modes = omap_connector_get_modes, .mode_valid = omap_connector_mode_valid, - .best_encoder = omap_connector_attached_encoder, }; /* initialize connector */ @@ -296,7 +287,6 @@ struct drm_connector *omap_connector_init(struct drm_device *dev, goto fail; omap_connector->dssdev = dssdev; - omap_connector->encoder = encoder; connector = &omap_connector->base; diff --git a/drivers/gpu/drm/omapdrm/omap_drv.c b/drivers/gpu/drm/omapdrm/omap_drv.c index 3b702230a88c..6b97011154bf 100644 --- a/drivers/gpu/drm/omapdrm/omap_drv.c +++ b/drivers/gpu/drm/omapdrm/omap_drv.c @@ -174,7 +174,7 @@ static int omap_atomic_commit(struct drm_device *dev, spin_unlock(&priv->commit.lock); /* Swap the state, this is the point of no return. */ - drm_atomic_helper_swap_state(dev, state); + drm_atomic_helper_swap_state(state, true); if (nonblock) schedule_work(&commit->work); diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c b/drivers/gpu/drm/radeon/atombios_crtc.c index 2e216e2ea78c..e91763d5d800 100644 --- a/drivers/gpu/drm/radeon/atombios_crtc.c +++ b/drivers/gpu/drm/radeon/atombios_crtc.c @@ -276,14 +276,14 @@ void atombios_crtc_dpms(struct drm_crtc *crtc, int mode) atombios_enable_crtc_memreq(crtc, ATOM_ENABLE); atombios_blank_crtc(crtc, ATOM_DISABLE); if (dev->num_crtcs > radeon_crtc->crtc_id) - drm_vblank_on(dev, radeon_crtc->crtc_id); + drm_crtc_vblank_on(crtc); radeon_crtc_load_lut(crtc); break; case DRM_MODE_DPMS_STANDBY: case DRM_MODE_DPMS_SUSPEND: case DRM_MODE_DPMS_OFF: if (dev->num_crtcs > radeon_crtc->crtc_id) - drm_vblank_off(dev, radeon_crtc->crtc_id); + drm_crtc_vblank_off(crtc); if (radeon_crtc->enabled) atombios_blank_crtc(crtc, ATOM_ENABLE); if (ASIC_IS_DCE3(rdev) && !ASIC_IS_DCE6(rdev)) diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c index e85c7a2f565b..3965d1916b9c 100644 --- a/drivers/gpu/drm/radeon/radeon_display.c +++ b/drivers/gpu/drm/radeon/radeon_display.c @@ -627,7 +627,7 @@ static int radeon_crtc_page_flip(struct drm_crtc *crtc, return 0; vblank_cleanup: - drm_crtc_vblank_put(&radeon_crtc->base); + drm_crtc_vblank_put(crtc); pflip_cleanup: if (unlikely(radeon_bo_reserve(new_rbo, false) != 0)) { diff --git a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c index 478d4099b0d0..d0de4022fff9 100644 --- a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c +++ b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c @@ -332,14 +332,14 @@ static void radeon_crtc_dpms(struct drm_crtc *crtc, int mode) WREG32_P(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl, ~(mask | crtc_ext_cntl)); } if (dev->num_crtcs > radeon_crtc->crtc_id) - drm_vblank_on(dev, radeon_crtc->crtc_id); + drm_crtc_vblank_on(crtc); radeon_crtc_load_lut(crtc); break; case DRM_MODE_DPMS_STANDBY: case DRM_MODE_DPMS_SUSPEND: case DRM_MODE_DPMS_OFF: if (dev->num_crtcs > radeon_crtc->crtc_id) - drm_vblank_off(dev, radeon_crtc->crtc_id); + drm_crtc_vblank_off(crtc); if (radeon_crtc->crtc_id) WREG32_P(RADEON_CRTC2_GEN_CNTL, mask, ~(RADEON_CRTC2_EN | mask)); else { diff --git a/drivers/gpu/drm/rcar-du/rcar_du_encoder.c b/drivers/gpu/drm/rcar-du/rcar_du_encoder.c index 4e939e41f030..55149e9ce28e 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_encoder.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_encoder.c @@ -27,18 +27,6 @@ #include "rcar_du_vgacon.h" /* ----------------------------------------------------------------------------- - * Common connector functions - */ - -struct drm_encoder * -rcar_du_connector_best_encoder(struct drm_connector *connector) -{ - struct rcar_du_connector *rcon = to_rcar_connector(connector); - - return rcar_encoder_to_drm_encoder(rcon->encoder); -} - -/* ----------------------------------------------------------------------------- * Encoder */ diff --git a/drivers/gpu/drm/rcar-du/rcar_du_encoder.h b/drivers/gpu/drm/rcar-du/rcar_du_encoder.h index 719b6f2a031c..a8669c3e0dd5 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_encoder.h +++ b/drivers/gpu/drm/rcar-du/rcar_du_encoder.h @@ -49,9 +49,6 @@ struct rcar_du_connector { #define to_rcar_connector(c) \ container_of(c, struct rcar_du_connector, connector) -struct drm_encoder * -rcar_du_connector_best_encoder(struct drm_connector *connector); - int rcar_du_encoder_init(struct rcar_du_device *rcdu, enum rcar_du_encoder_type type, enum rcar_du_output output, diff --git a/drivers/gpu/drm/rcar-du/rcar_du_hdmicon.c b/drivers/gpu/drm/rcar-du/rcar_du_hdmicon.c index 6c927144b5c9..612b4d5ae098 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_hdmicon.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_hdmicon.c @@ -52,7 +52,6 @@ static int rcar_du_hdmi_connector_mode_valid(struct drm_connector *connector, static const struct drm_connector_helper_funcs connector_helper_funcs = { .get_modes = rcar_du_hdmi_connector_get_modes, .mode_valid = rcar_du_hdmi_connector_mode_valid, - .best_encoder = rcar_du_connector_best_encoder, }; static enum drm_connector_status diff --git a/drivers/gpu/drm/rcar-du/rcar_du_kms.c b/drivers/gpu/drm/rcar-du/rcar_du_kms.c index 86c109b16876..6bb032d8ac6b 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_kms.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_kms.c @@ -327,7 +327,7 @@ static int rcar_du_atomic_commit(struct drm_device *dev, } /* Swap the state, this is the point of no return. */ - drm_atomic_helper_swap_state(dev, state); + drm_atomic_helper_swap_state(state, true); if (nonblock) schedule_work(&commit->work); diff --git a/drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c b/drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c index e905f5da7aaa..6afd0af312ba 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c @@ -59,7 +59,6 @@ static int rcar_du_lvds_connector_get_modes(struct drm_connector *connector) static const struct drm_connector_helper_funcs connector_helper_funcs = { .get_modes = rcar_du_lvds_connector_get_modes, - .best_encoder = rcar_du_connector_best_encoder, }; static enum drm_connector_status diff --git a/drivers/gpu/drm/rcar-du/rcar_du_vgacon.c b/drivers/gpu/drm/rcar-du/rcar_du_vgacon.c index 9d7e5c99caf6..8d6125c1c0f9 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_vgacon.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_vgacon.c @@ -28,7 +28,6 @@ static int rcar_du_vga_connector_get_modes(struct drm_connector *connector) static const struct drm_connector_helper_funcs connector_helper_funcs = { .get_modes = rcar_du_vga_connector_get_modes, - .best_encoder = rcar_du_connector_best_encoder, }; static enum drm_connector_status @@ -79,7 +78,5 @@ int rcar_du_vga_connector_init(struct rcar_du_device *rcdu, if (ret < 0) return ret; - rcon->encoder = renc; - return 0; } diff --git a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c index 7f6a55cae27a..c120172add5c 100644 --- a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c +++ b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c @@ -349,20 +349,11 @@ static int rockchip_dp_remove(struct platform_device *pdev) return 0; } +static const struct dev_pm_ops rockchip_dp_pm_ops = { #ifdef CONFIG_PM_SLEEP -static int rockchip_dp_suspend(struct device *dev) -{ - return analogix_dp_suspend(dev); -} - -static int rockchip_dp_resume(struct device *dev) -{ - return analogix_dp_resume(dev); -} + .suspend = analogix_dp_suspend, + .resume_early = analogix_dp_resume, #endif - -static const struct dev_pm_ops rockchip_dp_pm_ops = { - SET_SYSTEM_SLEEP_PM_OPS(rockchip_dp_suspend, rockchip_dp_resume) }; static const struct of_device_id rockchip_dp_dt_ids[] = { diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c index dedc65b40f36..ca22e5ee89ca 100644 --- a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c +++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c @@ -964,18 +964,9 @@ static enum drm_mode_status dw_mipi_dsi_mode_valid( return mode_status; } -static struct drm_encoder *dw_mipi_dsi_connector_best_encoder( - struct drm_connector *connector) -{ - struct dw_mipi_dsi *dsi = con_to_dsi(connector); - - return &dsi->encoder; -} - static struct drm_connector_helper_funcs dw_mipi_dsi_connector_helper_funcs = { .get_modes = dw_mipi_dsi_connector_get_modes, .mode_valid = dw_mipi_dsi_mode_valid, - .best_encoder = dw_mipi_dsi_connector_best_encoder, }; static enum drm_connector_status diff --git a/drivers/gpu/drm/rockchip/inno_hdmi.c b/drivers/gpu/drm/rockchip/inno_hdmi.c index f8b4feb60b25..006260de9dbd 100644 --- a/drivers/gpu/drm/rockchip/inno_hdmi.c +++ b/drivers/gpu/drm/rockchip/inno_hdmi.c @@ -579,14 +579,6 @@ inno_hdmi_connector_mode_valid(struct drm_connector *connector, return MODE_OK; } -static struct drm_encoder * -inno_hdmi_connector_best_encoder(struct drm_connector *connector) -{ - struct inno_hdmi *hdmi = to_inno_hdmi(connector); - - return &hdmi->encoder; -} - static int inno_hdmi_probe_single_connector_modes(struct drm_connector *connector, uint32_t maxX, uint32_t maxY) @@ -613,7 +605,6 @@ static struct drm_connector_funcs inno_hdmi_connector_funcs = { static struct drm_connector_helper_funcs inno_hdmi_connector_helper_funcs = { .get_modes = inno_hdmi_connector_get_modes, .mode_valid = inno_hdmi_connector_mode_valid, - .best_encoder = inno_hdmi_connector_best_encoder, }; static int inno_hdmi_register(struct drm_device *drm, struct inno_hdmi *hdmi) diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c index 09a4d429c0f0..c2bcc5ea1abe 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c @@ -25,6 +25,7 @@ #include <linux/module.h> #include <linux/of_graph.h> #include <linux/component.h> +#include <linux/console.h> #include "rockchip_drm_drv.h" #include "rockchip_drm_fb.h" @@ -38,6 +39,7 @@ #define DRIVER_MINOR 0 static bool is_support_iommu = true; +static struct drm_driver rockchip_drm_driver; /* * Attach a (component) device to the shared drm dma mapping from master drm @@ -133,20 +135,28 @@ static void rockchip_drm_crtc_disable_vblank(struct drm_device *dev, priv->crtc_funcs[pipe]->disable_vblank(crtc); } -static int rockchip_drm_load(struct drm_device *drm_dev, unsigned long flags) +static int rockchip_drm_bind(struct device *dev) { + struct drm_device *drm_dev; struct rockchip_drm_private *private; struct dma_iommu_mapping *mapping = NULL; - struct device *dev = drm_dev->dev; - struct drm_connector *connector; int ret; - private = devm_kzalloc(drm_dev->dev, sizeof(*private), GFP_KERNEL); - if (!private) + drm_dev = drm_dev_alloc(&rockchip_drm_driver, dev); + if (!drm_dev) return -ENOMEM; - mutex_init(&private->commit.lock); - INIT_WORK(&private->commit.work, rockchip_drm_atomic_work); + ret = drm_dev_register(drm_dev, 0); + if (ret) + goto err_free; + + dev_set_drvdata(dev, drm_dev); + + private = devm_kzalloc(drm_dev->dev, sizeof(*private), GFP_KERNEL); + if (!private) { + ret = -ENOMEM; + goto err_unregister; + } drm_dev->dev_private = private; @@ -187,21 +197,10 @@ static int rockchip_drm_load(struct drm_device *drm_dev, unsigned long flags) if (ret) goto err_detach_device; - /* - * All components are now added, we can publish the connector sysfs - * entries to userspace. This will generate hotplug events and so - * userspace will expect to be able to access DRM at this point. - */ - list_for_each_entry(connector, &drm_dev->mode_config.connector_list, - head) { - ret = drm_connector_register(connector); - if (ret) { - dev_err(drm_dev->dev, - "[CONNECTOR:%d:%s] drm_connector_register failed: %d\n", - connector->base.id, - connector->name, ret); - goto err_unbind; - } + ret = drm_connector_register_all(drm_dev); + if (ret) { + dev_err(dev, "failed to register connectors\n"); + goto err_unbind; } /* init kms poll for handling hpd */ @@ -241,12 +240,16 @@ err_release_mapping: err_config_cleanup: drm_mode_config_cleanup(drm_dev); drm_dev->dev_private = NULL; +err_unregister: + drm_dev_unregister(drm_dev); +err_free: + drm_dev_unref(drm_dev); return ret; } -static int rockchip_drm_unload(struct drm_device *drm_dev) +static void rockchip_drm_unbind(struct device *dev) { - struct device *dev = drm_dev->dev; + struct drm_device *drm_dev = dev_get_drvdata(dev); rockchip_drm_fbdev_fini(drm_dev); drm_vblank_cleanup(drm_dev); @@ -256,29 +259,9 @@ static int rockchip_drm_unload(struct drm_device *drm_dev) arm_iommu_detach_device(dev); drm_mode_config_cleanup(drm_dev); drm_dev->dev_private = NULL; - - return 0; -} - -static void rockchip_drm_crtc_cancel_pending_vblank(struct drm_crtc *crtc, - struct drm_file *file_priv) -{ - struct rockchip_drm_private *priv = crtc->dev->dev_private; - int pipe = drm_crtc_index(crtc); - - if (pipe < ROCKCHIP_MAX_CRTC && - priv->crtc_funcs[pipe] && - priv->crtc_funcs[pipe]->cancel_pending_vblank) - priv->crtc_funcs[pipe]->cancel_pending_vblank(crtc, file_priv); -} - -static void rockchip_drm_preclose(struct drm_device *dev, - struct drm_file *file_priv) -{ - struct drm_crtc *crtc; - - list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) - rockchip_drm_crtc_cancel_pending_vblank(crtc, file_priv); + drm_dev_unregister(drm_dev); + drm_dev_unref(drm_dev); + dev_set_drvdata(dev, NULL); } void rockchip_drm_lastclose(struct drm_device *dev) @@ -304,9 +287,6 @@ static const struct file_operations rockchip_drm_driver_fops = { static struct drm_driver rockchip_drm_driver = { .driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_PRIME | DRIVER_ATOMIC, - .load = rockchip_drm_load, - .unload = rockchip_drm_unload, - .preclose = rockchip_drm_preclose, .lastclose = rockchip_drm_lastclose, .get_vblank_counter = drm_vblank_no_hw_counter, .enable_vblank = rockchip_drm_crtc_enable_vblank, @@ -333,25 +313,38 @@ static struct drm_driver rockchip_drm_driver = { }; #ifdef CONFIG_PM_SLEEP -static int rockchip_drm_sys_suspend(struct device *dev) +void rockchip_drm_fb_suspend(struct drm_device *drm) { - struct drm_device *drm = dev_get_drvdata(dev); - struct drm_connector *connector; + struct rockchip_drm_private *priv = drm->dev_private; - if (!drm) - return 0; + console_lock(); + drm_fb_helper_set_suspend(&priv->fbdev_helper, 1); + console_unlock(); +} + +void rockchip_drm_fb_resume(struct drm_device *drm) +{ + struct rockchip_drm_private *priv = drm->dev_private; - drm_modeset_lock_all(drm); - list_for_each_entry(connector, &drm->mode_config.connector_list, head) { - int old_dpms = connector->dpms; + console_lock(); + drm_fb_helper_set_suspend(&priv->fbdev_helper, 0); + console_unlock(); +} + +static int rockchip_drm_sys_suspend(struct device *dev) +{ + struct drm_device *drm = dev_get_drvdata(dev); + struct rockchip_drm_private *priv = drm->dev_private; - if (connector->funcs->dpms) - connector->funcs->dpms(connector, DRM_MODE_DPMS_OFF); + drm_kms_helper_poll_disable(drm); + rockchip_drm_fb_suspend(drm); - /* Set the old mode back to the connector for resume */ - connector->dpms = old_dpms; + priv->state = drm_atomic_helper_suspend(drm); + if (IS_ERR(priv->state)) { + rockchip_drm_fb_resume(drm); + drm_kms_helper_poll_enable(drm); + return PTR_ERR(priv->state); } - drm_modeset_unlock_all(drm); return 0; } @@ -359,47 +352,11 @@ static int rockchip_drm_sys_suspend(struct device *dev) static int rockchip_drm_sys_resume(struct device *dev) { struct drm_device *drm = dev_get_drvdata(dev); - struct drm_connector *connector; - enum drm_connector_status status; - bool changed = false; + struct rockchip_drm_private *priv = drm->dev_private; - if (!drm) - return 0; - - drm_modeset_lock_all(drm); - list_for_each_entry(connector, &drm->mode_config.connector_list, head) { - int desired_mode = connector->dpms; - - /* - * at suspend time, we save dpms to connector->dpms, - * restore the old_dpms, and at current time, the connector - * dpms status must be DRM_MODE_DPMS_OFF. - */ - connector->dpms = DRM_MODE_DPMS_OFF; - - /* - * If the connector has been disconnected during suspend, - * disconnect it from the encoder and leave it off. We'll notify - * userspace at the end. - */ - if (desired_mode == DRM_MODE_DPMS_ON) { - status = connector->funcs->detect(connector, true); - if (status == connector_status_disconnected) { - connector->encoder = NULL; - connector->status = status; - changed = true; - continue; - } - } - if (connector->funcs->dpms) - connector->funcs->dpms(connector, desired_mode); - } - drm_modeset_unlock_all(drm); - - drm_helper_resume_force_mode(drm); - - if (changed) - drm_kms_helper_hotplug_event(drm); + drm_atomic_helper_resume(drm, priv->state); + rockchip_drm_fb_resume(drm); + drm_kms_helper_poll_enable(drm); return 0; } @@ -440,37 +397,6 @@ static void rockchip_add_endpoints(struct device *dev, } } -static int rockchip_drm_bind(struct device *dev) -{ - struct drm_device *drm; - int ret; - - drm = drm_dev_alloc(&rockchip_drm_driver, dev); - if (!drm) - return -ENOMEM; - - ret = drm_dev_register(drm, 0); - if (ret) - goto err_free; - - dev_set_drvdata(dev, drm); - - return 0; - -err_free: - drm_dev_unref(drm); - return ret; -} - -static void rockchip_drm_unbind(struct device *dev) -{ - struct drm_device *drm = dev_get_drvdata(dev); - - drm_dev_unregister(drm); - drm_dev_unref(drm); - dev_set_drvdata(dev, NULL); -} - static const struct component_master_ops rockchip_drm_ops = { .bind = rockchip_drm_bind, .unbind = rockchip_drm_unbind, diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.h b/drivers/gpu/drm/rockchip/rockchip_drm_drv.h index 56f43a364c7f..ea3932940061 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.h +++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.h @@ -40,14 +40,6 @@ struct rockchip_crtc_funcs { int (*enable_vblank)(struct drm_crtc *crtc); void (*disable_vblank)(struct drm_crtc *crtc); void (*wait_for_update)(struct drm_crtc *crtc); - void (*cancel_pending_vblank)(struct drm_crtc *crtc, struct drm_file *file_priv); -}; - -struct rockchip_atomic_commit { - struct work_struct work; - struct drm_atomic_state *state; - struct drm_device *dev; - struct mutex lock; }; struct rockchip_crtc_state { @@ -68,11 +60,9 @@ struct rockchip_drm_private { struct drm_fb_helper fbdev_helper; struct drm_gem_object *fbdev_bo; const struct rockchip_crtc_funcs *crtc_funcs[ROCKCHIP_MAX_CRTC]; - - struct rockchip_atomic_commit commit; + struct drm_atomic_state *state; }; -void rockchip_drm_atomic_work(struct work_struct *work); int rockchip_register_crtc_funcs(struct drm_crtc *crtc, const struct rockchip_crtc_funcs *crtc_funcs); void rockchip_unregister_crtc_funcs(struct drm_crtc *crtc); diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_fb.c b/drivers/gpu/drm/rockchip/rockchip_drm_fb.c index 755cfdba61cd..20f12bc5a386 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_fb.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_fb.c @@ -228,87 +228,32 @@ rockchip_atomic_wait_for_complete(struct drm_device *dev, struct drm_atomic_stat } static void -rockchip_atomic_commit_complete(struct rockchip_atomic_commit *commit) +rockchip_atomic_commit_tail(struct drm_atomic_state *state) { - struct drm_atomic_state *state = commit->state; - struct drm_device *dev = commit->dev; + struct drm_device *dev = state->dev; - /* - * TODO: do fence wait here. - */ - - /* - * Rockchip crtc support runtime PM, can't update display planes - * when crtc is disabled. - * - * drm_atomic_helper_commit comments detail that: - * For drivers supporting runtime PM the recommended sequence is - * - * drm_atomic_helper_commit_modeset_disables(dev, state); - * - * drm_atomic_helper_commit_modeset_enables(dev, state); - * - * drm_atomic_helper_commit_planes(dev, state, true); - * - * See the kerneldoc entries for these three functions for more details. - */ drm_atomic_helper_commit_modeset_disables(dev, state); drm_atomic_helper_commit_modeset_enables(dev, state); drm_atomic_helper_commit_planes(dev, state, true); + drm_atomic_helper_commit_hw_done(state); + rockchip_atomic_wait_for_complete(dev, state); drm_atomic_helper_cleanup_planes(dev, state); - - drm_atomic_state_free(state); -} - -void rockchip_drm_atomic_work(struct work_struct *work) -{ - struct rockchip_atomic_commit *commit = container_of(work, - struct rockchip_atomic_commit, work); - - rockchip_atomic_commit_complete(commit); } -int rockchip_drm_atomic_commit(struct drm_device *dev, - struct drm_atomic_state *state, - bool nonblock) -{ - struct rockchip_drm_private *private = dev->dev_private; - struct rockchip_atomic_commit *commit = &private->commit; - int ret; - - ret = drm_atomic_helper_prepare_planes(dev, state); - if (ret) - return ret; - - /* serialize outstanding nonblocking commits */ - mutex_lock(&commit->lock); - flush_work(&commit->work); - - drm_atomic_helper_swap_state(dev, state); - - commit->dev = dev; - commit->state = state; - - if (nonblock) - schedule_work(&commit->work); - else - rockchip_atomic_commit_complete(commit); - - mutex_unlock(&commit->lock); - - return 0; -} +struct drm_mode_config_helper_funcs rockchip_mode_config_helpers = { + .atomic_commit_tail = rockchip_atomic_commit_tail, +}; static const struct drm_mode_config_funcs rockchip_drm_mode_config_funcs = { .fb_create = rockchip_user_fb_create, .output_poll_changed = rockchip_drm_output_poll_changed, .atomic_check = drm_atomic_helper_check, - .atomic_commit = rockchip_drm_atomic_commit, + .atomic_commit = drm_atomic_helper_commit, }; struct drm_framebuffer * @@ -339,4 +284,5 @@ void rockchip_drm_mode_config_init(struct drm_device *dev) dev->mode_config.max_height = 4096; dev->mode_config.funcs = &rockchip_drm_mode_config_funcs; + dev->mode_config.helper_private = &rockchip_mode_config_helpers; } diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_fbdev.c b/drivers/gpu/drm/rockchip/rockchip_drm_fbdev.c index f261512bb4a0..207e01de6e32 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_fbdev.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_fbdev.c @@ -108,7 +108,7 @@ static int rockchip_drm_fbdev_create(struct drm_fb_helper *helper, fbi->screen_size = rk_obj->base.size; fbi->fix.smem_len = rk_obj->base.size; - DRM_DEBUG_KMS("FB [%dx%d]-%d kvaddr=%p offset=%ld size=%d\n", + DRM_DEBUG_KMS("FB [%dx%d]-%d kvaddr=%p offset=%ld size=%zu\n", fb->width, fb->height, fb->depth, rk_obj->kvaddr, offset, size); @@ -156,9 +156,6 @@ int rockchip_drm_fbdev_init(struct drm_device *dev) goto err_drm_fb_helper_fini; } - /* disable all the possible outputs/crtcs before entering KMS mode */ - drm_helper_disable_unused_functions(dev); - ret = drm_fb_helper_initial_config(helper, PREFERRED_BPP); if (ret < 0) { dev_err(dev->dev, "Failed to set initial hw config - %d.\n", diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c index 9c2d8a894093..059e902f872d 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_gem.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_gem.c @@ -38,7 +38,7 @@ static int rockchip_gem_alloc_buf(struct rockchip_gem_object *rk_obj, &rk_obj->dma_addr, GFP_KERNEL, &rk_obj->dma_attrs); if (!rk_obj->kvaddr) { - DRM_ERROR("failed to allocate %#x byte dma buffer", obj->size); + DRM_ERROR("failed to allocate %zu byte dma buffer", obj->size); return -ENOMEM; } diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c index 5567fb43e674..8cd840f602b7 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c @@ -98,7 +98,9 @@ struct vop_win { const struct vop_win_data *data; struct vop *vop; - struct vop_plane_state state; + /* protected by dev->event_lock */ + bool enable; + dma_addr_t yrgb_mst; }; struct vop { @@ -112,6 +114,8 @@ struct vop { bool vsync_work_pending; struct completion dsp_hold_completion; struct completion wait_update_complete; + + /* protected by dev->event_lock */ struct drm_pending_vblank_event *event; const struct vop_data *data; @@ -431,9 +435,6 @@ static void vop_enable(struct drm_crtc *crtc) struct vop *vop = to_vop(crtc); int ret; - if (vop->is_enabled) - return; - ret = pm_runtime_get_sync(vop->dev); if (ret < 0) { dev_err(vop->dev, "failed to get pm runtime: %d\n", ret); @@ -501,8 +502,7 @@ static void vop_crtc_disable(struct drm_crtc *crtc) struct vop *vop = to_vop(crtc); int i; - if (!vop->is_enabled) - return; + WARN_ON(vop->event); /* * We need to make sure that all windows are disabled before we @@ -553,6 +553,14 @@ static void vop_crtc_disable(struct drm_crtc *crtc) clk_disable(vop->aclk); clk_disable(vop->hclk); pm_runtime_put(vop->dev); + + if (crtc->state->event && !crtc->state->active) { + spin_lock_irq(&crtc->dev->event_lock); + drm_crtc_send_vblank_event(crtc, crtc->state->event); + spin_unlock_irq(&crtc->dev->event_lock); + + crtc->state->event = NULL; + } } static void vop_plane_destroy(struct drm_plane *plane) @@ -658,6 +666,11 @@ static void vop_plane_atomic_disable(struct drm_plane *plane, if (!old_state->crtc) return; + spin_lock_irq(&plane->dev->event_lock); + vop_win->enable = false; + vop_win->yrgb_mst = 0; + spin_unlock_irq(&plane->dev->event_lock); + spin_lock(&vop->reg_lock); VOP_WIN_SET(vop, win, enable, 0); @@ -692,7 +705,7 @@ static void vop_plane_atomic_update(struct drm_plane *plane, /* * can't update plane when vop is disabled. */ - if (!crtc) + if (WARN_ON(!crtc)) return; if (WARN_ON(!vop->is_enabled)) @@ -721,6 +734,11 @@ static void vop_plane_atomic_update(struct drm_plane *plane, offset += (src->y1 >> 16) * fb->pitches[0]; vop_plane_state->yrgb_mst = rk_obj->dma_addr + offset + fb->offsets[0]; + spin_lock_irq(&plane->dev->event_lock); + vop_win->enable = true; + vop_win->yrgb_mst = vop_plane_state->yrgb_mst; + spin_unlock_irq(&plane->dev->event_lock); + spin_lock(&vop->reg_lock); VOP_WIN_SET(vop, win, format, vop_plane_state->format); @@ -876,30 +894,10 @@ static void vop_crtc_wait_for_update(struct drm_crtc *crtc) WARN_ON(!wait_for_completion_timeout(&vop->wait_update_complete, 100)); } -static void vop_crtc_cancel_pending_vblank(struct drm_crtc *crtc, - struct drm_file *file_priv) -{ - struct drm_device *drm = crtc->dev; - struct vop *vop = to_vop(crtc); - struct drm_pending_vblank_event *e; - unsigned long flags; - - spin_lock_irqsave(&drm->event_lock, flags); - e = vop->event; - if (e && e->base.file_priv == file_priv) { - vop->event = NULL; - - kfree(&e->base); - file_priv->event_space += sizeof(e->event); - } - spin_unlock_irqrestore(&drm->event_lock, flags); -} - static const struct rockchip_crtc_funcs private_crtc_funcs = { .enable_vblank = vop_crtc_enable_vblank, .disable_vblank = vop_crtc_disable_vblank, .wait_for_update = vop_crtc_wait_for_update, - .cancel_pending_vblank = vop_crtc_cancel_pending_vblank, }; static bool vop_crtc_mode_fixup(struct drm_crtc *crtc, @@ -931,6 +929,8 @@ static void vop_crtc_enable(struct drm_crtc *crtc) u16 vact_end = vact_st + vdisplay; uint32_t val; + WARN_ON(vop->event); + vop_enable(crtc); /* * If dclk rate is zero, mean that scanout is stop, @@ -1027,12 +1027,15 @@ static void vop_crtc_atomic_begin(struct drm_crtc *crtc, { struct vop *vop = to_vop(crtc); + spin_lock_irq(&crtc->dev->event_lock); if (crtc->state->event) { WARN_ON(drm_crtc_vblank_get(crtc) != 0); + WARN_ON(vop->event); vop->event = crtc->state->event; crtc->state->event = NULL; } + spin_unlock_irq(&crtc->dev->event_lock); } static const struct drm_crtc_helper_funcs vop_crtc_helper_funcs = { @@ -1080,16 +1083,14 @@ static const struct drm_crtc_funcs vop_crtc_funcs = { static bool vop_win_pending_is_complete(struct vop_win *vop_win) { - struct drm_plane *plane = &vop_win->base; - struct vop_plane_state *state = to_vop_plane_state(plane->state); dma_addr_t yrgb_mst; - if (!state->enable) + if (!vop_win->enable) return VOP_WIN_GET(vop_win->vop, vop_win->data, enable) == 0; yrgb_mst = VOP_WIN_GET_YRGBADDR(vop_win->vop, vop_win->data); - return yrgb_mst == state->yrgb_mst; + return yrgb_mst == vop_win->yrgb_mst; } static void vop_handle_vblank(struct vop *vop) @@ -1104,15 +1105,16 @@ static void vop_handle_vblank(struct vop *vop) return; } + spin_lock_irqsave(&drm->event_lock, flags); if (vop->event) { - spin_lock_irqsave(&drm->event_lock, flags); drm_crtc_send_vblank_event(crtc, vop->event); drm_crtc_vblank_put(crtc); vop->event = NULL; - spin_unlock_irqrestore(&drm->event_lock, flags); } + spin_unlock_irqrestore(&drm->event_lock, flags); + if (!completion_done(&vop->wait_update_complete)) complete(&vop->wait_update_complete); } diff --git a/drivers/gpu/drm/sti/sti_drv.c b/drivers/gpu/drm/sti/sti_drv.c index b440617a7019..dd2c400c4a46 100644 --- a/drivers/gpu/drm/sti/sti_drv.c +++ b/drivers/gpu/drm/sti/sti_drv.c @@ -215,7 +215,7 @@ static int sti_atomic_commit(struct drm_device *drm, * the software side now. */ - drm_atomic_helper_swap_state(drm, state); + drm_atomic_helper_swap_state(state, true); if (nonblock) sti_atomic_schedule(private, state); diff --git a/drivers/gpu/drm/sti/sti_dvo.c b/drivers/gpu/drm/sti/sti_dvo.c index d439128e6309..e2901667eceb 100644 --- a/drivers/gpu/drm/sti/sti_dvo.c +++ b/drivers/gpu/drm/sti/sti_dvo.c @@ -377,20 +377,10 @@ static int sti_dvo_connector_mode_valid(struct drm_connector *connector, return MODE_OK; } -struct drm_encoder *sti_dvo_best_encoder(struct drm_connector *connector) -{ - struct sti_dvo_connector *dvo_connector - = to_sti_dvo_connector(connector); - - /* Best encoder is the one associated during connector creation */ - return dvo_connector->encoder; -} - static const struct drm_connector_helper_funcs sti_dvo_connector_helper_funcs = { .get_modes = sti_dvo_connector_get_modes, .mode_valid = sti_dvo_connector_mode_valid, - .best_encoder = sti_dvo_best_encoder, }; static enum drm_connector_status diff --git a/drivers/gpu/drm/sti/sti_hda.c b/drivers/gpu/drm/sti/sti_hda.c index 9f49c00f1a02..dcec5a8eda59 100644 --- a/drivers/gpu/drm/sti/sti_hda.c +++ b/drivers/gpu/drm/sti/sti_hda.c @@ -669,20 +669,10 @@ static int sti_hda_connector_mode_valid(struct drm_connector *connector, return MODE_OK; } -struct drm_encoder *sti_hda_best_encoder(struct drm_connector *connector) -{ - struct sti_hda_connector *hda_connector - = to_sti_hda_connector(connector); - - /* Best encoder is the one associated during connector creation */ - return hda_connector->encoder; -} - static const struct drm_connector_helper_funcs sti_hda_connector_helper_funcs = { .get_modes = sti_hda_connector_get_modes, .mode_valid = sti_hda_connector_mode_valid, - .best_encoder = sti_hda_best_encoder, }; static enum drm_connector_status diff --git a/drivers/gpu/drm/sti/sti_hdmi.c b/drivers/gpu/drm/sti/sti_hdmi.c index 85545ebf88d3..36d9d6635784 100644 --- a/drivers/gpu/drm/sti/sti_hdmi.c +++ b/drivers/gpu/drm/sti/sti_hdmi.c @@ -890,20 +890,10 @@ static int sti_hdmi_connector_mode_valid(struct drm_connector *connector, return MODE_OK; } -struct drm_encoder *sti_hdmi_best_encoder(struct drm_connector *connector) -{ - struct sti_hdmi_connector *hdmi_connector - = to_sti_hdmi_connector(connector); - - /* Best encoder is the one associated during connector creation */ - return hdmi_connector->encoder; -} - static const struct drm_connector_helper_funcs sti_hdmi_connector_helper_funcs = { .get_modes = sti_hdmi_connector_get_modes, .mode_valid = sti_hdmi_connector_mode_valid, - .best_encoder = sti_hdmi_best_encoder, }; /* get detection status of display device */ diff --git a/drivers/gpu/drm/sun4i/sun4i_crtc.c b/drivers/gpu/drm/sun4i/sun4i_crtc.c index 4182a21f5923..f628b6d8f23f 100644 --- a/drivers/gpu/drm/sun4i/sun4i_crtc.c +++ b/drivers/gpu/drm/sun4i/sun4i_crtc.c @@ -51,10 +51,22 @@ static void sun4i_crtc_atomic_flush(struct drm_crtc *crtc, { struct sun4i_crtc *scrtc = drm_crtc_to_sun4i_crtc(crtc); struct sun4i_drv *drv = scrtc->drv; + struct drm_pending_vblank_event *event = crtc->state->event; DRM_DEBUG_DRIVER("Committing plane changes\n"); sun4i_backend_commit(drv->backend); + + if (event) { + crtc->state->event = NULL; + + spin_lock_irq(&crtc->dev->event_lock); + if (drm_crtc_vblank_get(crtc) == 0) + drm_crtc_arm_vblank_event(crtc, event); + else + drm_crtc_send_vblank_event(crtc, event); + spin_unlock_irq(&crtc->dev->event_lock); + } } static void sun4i_crtc_disable(struct drm_crtc *crtc) diff --git a/drivers/gpu/drm/sun4i/sun4i_rgb.c b/drivers/gpu/drm/sun4i/sun4i_rgb.c index ab6494818050..442cfe271688 100644 --- a/drivers/gpu/drm/sun4i/sun4i_rgb.c +++ b/drivers/gpu/drm/sun4i/sun4i_rgb.c @@ -90,19 +90,9 @@ static int sun4i_rgb_mode_valid(struct drm_connector *connector, return MODE_OK; } -static struct drm_encoder * -sun4i_rgb_best_encoder(struct drm_connector *connector) -{ - struct sun4i_rgb *rgb = - drm_connector_to_sun4i_rgb(connector); - - return &rgb->encoder; -} - static struct drm_connector_helper_funcs sun4i_rgb_con_helper_funcs = { .get_modes = sun4i_rgb_get_modes, .mode_valid = sun4i_rgb_mode_valid, - .best_encoder = sun4i_rgb_best_encoder, }; static enum drm_connector_status diff --git a/drivers/gpu/drm/sun4i/sun4i_tv.c b/drivers/gpu/drm/sun4i/sun4i_tv.c index bc047f923508..b84147896294 100644 --- a/drivers/gpu/drm/sun4i/sun4i_tv.c +++ b/drivers/gpu/drm/sun4i/sun4i_tv.c @@ -526,18 +526,9 @@ static int sun4i_tv_comp_mode_valid(struct drm_connector *connector, return MODE_OK; } -static struct drm_encoder * -sun4i_tv_comp_best_encoder(struct drm_connector *connector) -{ - struct sun4i_tv *tv = drm_connector_to_sun4i_tv(connector); - - return &tv->encoder; -} - static struct drm_connector_helper_funcs sun4i_tv_comp_connector_helper_funcs = { .get_modes = sun4i_tv_comp_get_modes, .mode_valid = sun4i_tv_comp_mode_valid, - .best_encoder = sun4i_tv_comp_best_encoder, }; static enum drm_connector_status diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c index b59c3bf0df44..a177a42a9849 100644 --- a/drivers/gpu/drm/tegra/drm.c +++ b/drivers/gpu/drm/tegra/drm.c @@ -93,7 +93,7 @@ static int tegra_atomic_commit(struct drm_device *drm, * the software side now. */ - drm_atomic_helper_swap_state(drm, state); + drm_atomic_helper_swap_state(state, true); if (nonblock) tegra_atomic_schedule(tegra, state); diff --git a/drivers/gpu/drm/tegra/drm.h b/drivers/gpu/drm/tegra/drm.h index f52d6cb24ff5..0ddcce1b420d 100644 --- a/drivers/gpu/drm/tegra/drm.h +++ b/drivers/gpu/drm/tegra/drm.h @@ -239,8 +239,6 @@ int tegra_output_init(struct drm_device *drm, struct tegra_output *output); void tegra_output_exit(struct tegra_output *output); int tegra_output_connector_get_modes(struct drm_connector *connector); -struct drm_encoder * -tegra_output_connector_best_encoder(struct drm_connector *connector); enum drm_connector_status tegra_output_connector_detect(struct drm_connector *connector, bool force); void tegra_output_connector_destroy(struct drm_connector *connector); diff --git a/drivers/gpu/drm/tegra/dsi.c b/drivers/gpu/drm/tegra/dsi.c index d1239ebc190f..099cccb2fbcb 100644 --- a/drivers/gpu/drm/tegra/dsi.c +++ b/drivers/gpu/drm/tegra/dsi.c @@ -794,7 +794,6 @@ tegra_dsi_connector_mode_valid(struct drm_connector *connector, static const struct drm_connector_helper_funcs tegra_dsi_connector_helper_funcs = { .get_modes = tegra_output_connector_get_modes, .mode_valid = tegra_dsi_connector_mode_valid, - .best_encoder = tegra_output_connector_best_encoder, }; static const struct drm_encoder_funcs tegra_dsi_encoder_funcs = { diff --git a/drivers/gpu/drm/tegra/hdmi.c b/drivers/gpu/drm/tegra/hdmi.c index b7ef4929e347..2fdb8796443e 100644 --- a/drivers/gpu/drm/tegra/hdmi.c +++ b/drivers/gpu/drm/tegra/hdmi.c @@ -806,7 +806,6 @@ static const struct drm_connector_helper_funcs tegra_hdmi_connector_helper_funcs = { .get_modes = tegra_output_connector_get_modes, .mode_valid = tegra_hdmi_connector_mode_valid, - .best_encoder = tegra_output_connector_best_encoder, }; static const struct drm_encoder_funcs tegra_hdmi_encoder_funcs = { diff --git a/drivers/gpu/drm/tegra/output.c b/drivers/gpu/drm/tegra/output.c index 46664b622270..1480f6aaffe4 100644 --- a/drivers/gpu/drm/tegra/output.c +++ b/drivers/gpu/drm/tegra/output.c @@ -42,14 +42,6 @@ int tegra_output_connector_get_modes(struct drm_connector *connector) return err; } -struct drm_encoder * -tegra_output_connector_best_encoder(struct drm_connector *connector) -{ - struct tegra_output *output = connector_to_output(connector); - - return &output->encoder; -} - enum drm_connector_status tegra_output_connector_detect(struct drm_connector *connector, bool force) { diff --git a/drivers/gpu/drm/tegra/rgb.c b/drivers/gpu/drm/tegra/rgb.c index e246334e0252..a131b44e2d6f 100644 --- a/drivers/gpu/drm/tegra/rgb.c +++ b/drivers/gpu/drm/tegra/rgb.c @@ -112,7 +112,6 @@ tegra_rgb_connector_mode_valid(struct drm_connector *connector, static const struct drm_connector_helper_funcs tegra_rgb_connector_helper_funcs = { .get_modes = tegra_output_connector_get_modes, .mode_valid = tegra_rgb_connector_mode_valid, - .best_encoder = tegra_output_connector_best_encoder, }; static const struct drm_encoder_funcs tegra_rgb_encoder_funcs = { diff --git a/drivers/gpu/drm/tegra/sor.c b/drivers/gpu/drm/tegra/sor.c index 757c6e8603af..34958d71284b 100644 --- a/drivers/gpu/drm/tegra/sor.c +++ b/drivers/gpu/drm/tegra/sor.c @@ -1087,7 +1087,6 @@ tegra_sor_connector_mode_valid(struct drm_connector *connector, static const struct drm_connector_helper_funcs tegra_sor_connector_helper_funcs = { .get_modes = tegra_sor_connector_get_modes, .mode_valid = tegra_sor_connector_mode_valid, - .best_encoder = tegra_output_connector_best_encoder, }; static const struct drm_encoder_funcs tegra_sor_encoder_funcs = { diff --git a/drivers/gpu/drm/vc4/vc4_dpi.c b/drivers/gpu/drm/vc4/vc4_dpi.c index 9817dbfa4ac3..dba1114297e4 100644 --- a/drivers/gpu/drm/vc4/vc4_dpi.c +++ b/drivers/gpu/drm/vc4/vc4_dpi.c @@ -208,14 +208,6 @@ static int vc4_dpi_connector_get_modes(struct drm_connector *connector) return 0; } -static struct drm_encoder * -vc4_dpi_connector_best_encoder(struct drm_connector *connector) -{ - struct vc4_dpi_connector *dpi_connector = - to_vc4_dpi_connector(connector); - return dpi_connector->encoder; -} - static const struct drm_connector_funcs vc4_dpi_connector_funcs = { .dpms = drm_atomic_helper_connector_dpms, .detect = vc4_dpi_connector_detect, @@ -228,7 +220,6 @@ static const struct drm_connector_funcs vc4_dpi_connector_funcs = { static const struct drm_connector_helper_funcs vc4_dpi_connector_helper_funcs = { .get_modes = vc4_dpi_connector_get_modes, - .best_encoder = vc4_dpi_connector_best_encoder, }; static struct drm_connector *vc4_dpi_connector_init(struct drm_device *dev, diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c index fd2644d231ff..68df91c3f860 100644 --- a/drivers/gpu/drm/vc4/vc4_hdmi.c +++ b/drivers/gpu/drm/vc4/vc4_hdmi.c @@ -208,14 +208,6 @@ static int vc4_hdmi_connector_get_modes(struct drm_connector *connector) return ret; } -static struct drm_encoder * -vc4_hdmi_connector_best_encoder(struct drm_connector *connector) -{ - struct vc4_hdmi_connector *hdmi_connector = - to_vc4_hdmi_connector(connector); - return hdmi_connector->encoder; -} - static const struct drm_connector_funcs vc4_hdmi_connector_funcs = { .dpms = drm_atomic_helper_connector_dpms, .detect = vc4_hdmi_connector_detect, @@ -228,7 +220,6 @@ static const struct drm_connector_funcs vc4_hdmi_connector_funcs = { static const struct drm_connector_helper_funcs vc4_hdmi_connector_helper_funcs = { .get_modes = vc4_hdmi_connector_get_modes, - .best_encoder = vc4_hdmi_connector_best_encoder, }; static struct drm_connector *vc4_hdmi_connector_init(struct drm_device *dev, diff --git a/drivers/gpu/drm/vc4/vc4_kms.c b/drivers/gpu/drm/vc4/vc4_kms.c index 39c0b2048bfd..8f4d5ffc32be 100644 --- a/drivers/gpu/drm/vc4/vc4_kms.c +++ b/drivers/gpu/drm/vc4/vc4_kms.c @@ -148,7 +148,7 @@ static int vc4_atomic_commit(struct drm_device *dev, * the software side now. */ - drm_atomic_helper_swap_state(dev, state); + drm_atomic_helper_swap_state(state, true); /* * Everything below can be run asynchronously without the need to grab diff --git a/drivers/gpu/drm/virtio/virtgpu_display.c b/drivers/gpu/drm/virtio/virtgpu_display.c index d82ae1cddfcf..ac758cdbc1bc 100644 --- a/drivers/gpu/drm/virtio/virtgpu_display.c +++ b/drivers/gpu/drm/virtio/virtgpu_display.c @@ -38,56 +38,11 @@ #define XRES_MAX 8192 #define YRES_MAX 8192 -static int virtio_gpu_page_flip(struct drm_crtc *crtc, - struct drm_framebuffer *fb, - struct drm_pending_vblank_event *event, - uint32_t flags) -{ - struct virtio_gpu_device *vgdev = crtc->dev->dev_private; - struct virtio_gpu_output *output = - container_of(crtc, struct virtio_gpu_output, crtc); - struct drm_plane *plane = crtc->primary; - struct virtio_gpu_framebuffer *vgfb; - struct virtio_gpu_object *bo; - unsigned long irqflags; - uint32_t handle; - - plane->fb = fb; - vgfb = to_virtio_gpu_framebuffer(plane->fb); - bo = gem_to_virtio_gpu_obj(vgfb->obj); - handle = bo->hw_res_handle; - - DRM_DEBUG("handle 0x%x%s, crtc %dx%d\n", handle, - bo->dumb ? ", dumb" : "", - crtc->mode.hdisplay, crtc->mode.vdisplay); - if (bo->dumb) { - virtio_gpu_cmd_transfer_to_host_2d - (vgdev, handle, 0, - cpu_to_le32(crtc->mode.hdisplay), - cpu_to_le32(crtc->mode.vdisplay), - 0, 0, NULL); - } - virtio_gpu_cmd_set_scanout(vgdev, output->index, handle, - crtc->mode.hdisplay, - crtc->mode.vdisplay, 0, 0); - virtio_gpu_cmd_resource_flush(vgdev, handle, 0, 0, - crtc->mode.hdisplay, - crtc->mode.vdisplay); - - if (event) { - spin_lock_irqsave(&crtc->dev->event_lock, irqflags); - drm_crtc_send_vblank_event(crtc, event); - spin_unlock_irqrestore(&crtc->dev->event_lock, irqflags); - } - - return 0; -} - static const struct drm_crtc_funcs virtio_gpu_crtc_funcs = { .set_config = drm_atomic_helper_set_config, .destroy = drm_crtc_cleanup, - .page_flip = virtio_gpu_page_flip, + .page_flip = drm_atomic_helper_page_flip, .reset = drm_atomic_helper_crtc_reset, .atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state, .atomic_destroy_state = drm_atomic_helper_crtc_destroy_state, @@ -185,6 +140,7 @@ static void virtio_gpu_crtc_atomic_flush(struct drm_crtc *crtc, spin_lock_irqsave(&crtc->dev->event_lock, flags); if (crtc->state->event) drm_crtc_send_vblank_event(crtc, crtc->state->event); + crtc->state->event = NULL; spin_unlock_irqrestore(&crtc->dev->event_lock, flags); } @@ -259,15 +215,6 @@ static int virtio_gpu_conn_mode_valid(struct drm_connector *connector, return MODE_BAD; } -static struct drm_encoder* -virtio_gpu_best_encoder(struct drm_connector *connector) -{ - struct virtio_gpu_output *virtio_gpu_output = - drm_connector_to_virtio_gpu_output(connector); - - return &virtio_gpu_output->enc; -} - static const struct drm_encoder_helper_funcs virtio_gpu_enc_helper_funcs = { .mode_set = virtio_gpu_enc_mode_set, .enable = virtio_gpu_enc_enable, @@ -277,7 +224,6 @@ static const struct drm_encoder_helper_funcs virtio_gpu_enc_helper_funcs = { static const struct drm_connector_helper_funcs virtio_gpu_conn_helper_funcs = { .get_modes = virtio_gpu_conn_get_modes, .mode_valid = virtio_gpu_conn_mode_valid, - .best_encoder = virtio_gpu_best_encoder, }; static enum drm_connector_status virtio_gpu_conn_detect( @@ -388,30 +334,28 @@ virtio_gpu_user_framebuffer_create(struct drm_device *dev, return &virtio_gpu_fb->base; } -static int vgdev_atomic_commit(struct drm_device *dev, - struct drm_atomic_state *state, - bool nonblock) +static void vgdev_atomic_commit_tail(struct drm_atomic_state *state) { - if (nonblock) - return -EBUSY; - - drm_atomic_helper_swap_state(dev, state); - drm_atomic_helper_wait_for_fences(dev, state); + struct drm_device *dev = state->dev; drm_atomic_helper_commit_modeset_disables(dev, state); drm_atomic_helper_commit_modeset_enables(dev, state); drm_atomic_helper_commit_planes(dev, state, true); + drm_atomic_helper_commit_hw_done(state); + drm_atomic_helper_wait_for_vblanks(dev, state); drm_atomic_helper_cleanup_planes(dev, state); - drm_atomic_state_free(state); - return 0; } +struct drm_mode_config_helper_funcs virtio_mode_config_helpers = { + .atomic_commit_tail = vgdev_atomic_commit_tail, +}; + static const struct drm_mode_config_funcs virtio_gpu_mode_funcs = { .fb_create = virtio_gpu_user_framebuffer_create, .atomic_check = drm_atomic_helper_check, - .atomic_commit = vgdev_atomic_commit, + .atomic_commit = drm_atomic_helper_commit, }; int virtio_gpu_modeset_init(struct virtio_gpu_device *vgdev) @@ -419,7 +363,8 @@ int virtio_gpu_modeset_init(struct virtio_gpu_device *vgdev) int i; drm_mode_config_init(vgdev->ddev); - vgdev->ddev->mode_config.funcs = (void *)&virtio_gpu_mode_funcs; + vgdev->ddev->mode_config.funcs = &virtio_gpu_mode_funcs; + vgdev->ddev->mode_config.helper_private = &virtio_mode_config_helpers; /* modes will be validated against the framebuffer size */ vgdev->ddev->mode_config.min_width = XRES_MIN; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c index 67cebb23c940..aa04fb0159a7 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c @@ -293,13 +293,10 @@ static int vmw_cmdbuf_header_submit(struct vmw_cmdbuf_header *header) struct vmw_cmdbuf_man *man = header->man; u32 val; - if (sizeof(header->handle) > 4) - val = (header->handle >> 32); - else - val = 0; + val = upper_32_bits(header->handle); vmw_write(man->dev_priv, SVGA_REG_COMMAND_HIGH, val); - val = (header->handle & 0xFFFFFFFFULL); + val = lower_32_bits(header->handle); val |= header->cb_context & SVGA_CB_CONTEXT_MASK; vmw_write(man->dev_priv, SVGA_REG_COMMAND_LOW, val); |