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authorDave Airlie <airlied@redhat.com>2016-04-01 13:14:24 +1000
committerDave Airlie <airlied@redhat.com>2016-04-01 13:14:24 +1000
commit5456248d6647c61d333961ab919cec0350cdcb83 (patch)
treeb9aade6af8b9ead843e4480f9deef7a18841907b
parent90516d89cd02cbd18e87b9add68c448cd54579a8 (diff)
parent06b898ec84139b9d5957ec0e275fa0a6a1825df3 (diff)
downloadlinux-5456248d6647c61d333961ab919cec0350cdcb83.tar.bz2
Merge branch 'drm-rockchip-next-fixes-2016-03-28' of https://github.com/markyzq/kernel-drm-rockchip into drm-fixes
bunch of rockchip fixes. * 'drm-rockchip-next-fixes-2016-03-28' of https://github.com/markyzq/kernel-drm-rockchip: drm/rockchip: dw_hdmi: Don't call platform_set_drvdata() drm/rockchip: vop: Fix vop crtc cleanup drm/rockchip: dw_hdmi: Call drm_encoder_cleanup() in error path drm/rockchip: vop: Disable planes when disabling CRTC drm/rockchip: vop: Don't reject empty modesets drm/rockchip: cancel pending vblanks on close drm/rockchip: vop: fix crtc size in plane check
-rw-r--r--drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c13
-rw-r--r--drivers/gpu/drm/rockchip/rockchip_drm_drv.c22
-rw-r--r--drivers/gpu/drm/rockchip/rockchip_drm_drv.h1
-rw-r--r--drivers/gpu/drm/rockchip/rockchip_drm_vop.c79
4 files changed, 100 insertions, 15 deletions
diff --git a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
index 3d3cf2f8891e..d5cfef75fc80 100644
--- a/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
+++ b/drivers/gpu/drm/rockchip/dw_hdmi-rockchip.c
@@ -271,8 +271,6 @@ static int dw_hdmi_rockchip_bind(struct device *dev, struct device *master,
if (!iores)
return -ENXIO;
- platform_set_drvdata(pdev, hdmi);
-
encoder->possible_crtcs = drm_of_find_possible_crtcs(drm, dev->of_node);
/*
* If we failed to find the CRTC(s) which this encoder is
@@ -293,7 +291,16 @@ static int dw_hdmi_rockchip_bind(struct device *dev, struct device *master,
drm_encoder_init(drm, encoder, &dw_hdmi_rockchip_encoder_funcs,
DRM_MODE_ENCODER_TMDS, NULL);
- return dw_hdmi_bind(dev, master, data, encoder, iores, irq, plat_data);
+ ret = dw_hdmi_bind(dev, master, data, encoder, iores, irq, plat_data);
+
+ /*
+ * If dw_hdmi_bind() fails we'll never call dw_hdmi_unbind(),
+ * which would have called the encoder cleanup. Do it manually.
+ */
+ if (ret)
+ drm_encoder_cleanup(encoder);
+
+ return ret;
}
static void dw_hdmi_rockchip_unbind(struct device *dev, struct device *master,
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
index 896da09e49ee..f556a8f4fde6 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
@@ -251,6 +251,27 @@ static int rockchip_drm_unload(struct drm_device *drm_dev)
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);
+}
+
void rockchip_drm_lastclose(struct drm_device *dev)
{
struct rockchip_drm_private *priv = dev->dev_private;
@@ -281,6 +302,7 @@ static struct drm_driver rockchip_drm_driver = {
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,
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.h b/drivers/gpu/drm/rockchip/rockchip_drm_drv.h
index 3529f692edb8..00d17d71aa4c 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.h
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.h
@@ -40,6 +40,7 @@ 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 {
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
index fd370548d7d7..a619f120f801 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
@@ -499,10 +499,25 @@ err_disable_hclk:
static void vop_crtc_disable(struct drm_crtc *crtc)
{
struct vop *vop = to_vop(crtc);
+ int i;
if (!vop->is_enabled)
return;
+ /*
+ * We need to make sure that all windows are disabled before we
+ * disable that crtc. Otherwise we might try to scan from a destroyed
+ * buffer later.
+ */
+ for (i = 0; i < vop->data->win_size; i++) {
+ struct vop_win *vop_win = &vop->win[i];
+ const struct vop_win_data *win = vop_win->data;
+
+ spin_lock(&vop->reg_lock);
+ VOP_WIN_SET(vop, win, enable, 0);
+ spin_unlock(&vop->reg_lock);
+ }
+
drm_crtc_vblank_off(crtc);
/*
@@ -549,6 +564,7 @@ static int vop_plane_atomic_check(struct drm_plane *plane,
struct drm_plane_state *state)
{
struct drm_crtc *crtc = state->crtc;
+ struct drm_crtc_state *crtc_state;
struct drm_framebuffer *fb = state->fb;
struct vop_win *vop_win = to_vop_win(plane);
struct vop_plane_state *vop_plane_state = to_vop_plane_state(state);
@@ -563,12 +579,13 @@ static int vop_plane_atomic_check(struct drm_plane *plane,
int max_scale = win->phy->scl ? FRAC_16_16(8, 1) :
DRM_PLANE_HELPER_NO_SCALING;
- crtc = crtc ? crtc : plane->state->crtc;
- /*
- * Both crtc or plane->state->crtc can be null.
- */
if (!crtc || !fb)
goto out_disable;
+
+ crtc_state = drm_atomic_get_existing_crtc_state(state->state, crtc);
+ if (WARN_ON(!crtc_state))
+ return -EINVAL;
+
src->x1 = state->src_x;
src->y1 = state->src_y;
src->x2 = state->src_x + state->src_w;
@@ -580,8 +597,8 @@ static int vop_plane_atomic_check(struct drm_plane *plane,
clip.x1 = 0;
clip.y1 = 0;
- clip.x2 = crtc->mode.hdisplay;
- clip.y2 = crtc->mode.vdisplay;
+ clip.x2 = crtc_state->adjusted_mode.hdisplay;
+ clip.y2 = crtc_state->adjusted_mode.vdisplay;
ret = drm_plane_helper_check_update(plane, crtc, state->fb,
src, dest, &clip,
@@ -873,10 +890,30 @@ 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;
+
+ e->base.destroy(&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,
@@ -885,9 +922,6 @@ static bool vop_crtc_mode_fixup(struct drm_crtc *crtc,
{
struct vop *vop = to_vop(crtc);
- if (adjusted_mode->htotal == 0 || adjusted_mode->vtotal == 0)
- return false;
-
adjusted_mode->clock =
clk_round_rate(vop->dclk, mode->clock * 1000) / 1000;
@@ -1108,7 +1142,7 @@ static int vop_create_crtc(struct vop *vop)
const struct vop_data *vop_data = vop->data;
struct device *dev = vop->dev;
struct drm_device *drm_dev = vop->drm_dev;
- struct drm_plane *primary = NULL, *cursor = NULL, *plane;
+ struct drm_plane *primary = NULL, *cursor = NULL, *plane, *tmp;
struct drm_crtc *crtc = &vop->crtc;
struct device_node *port;
int ret;
@@ -1148,7 +1182,7 @@ static int vop_create_crtc(struct vop *vop)
ret = drm_crtc_init_with_planes(drm_dev, crtc, primary, cursor,
&vop_crtc_funcs, NULL);
if (ret)
- return ret;
+ goto err_cleanup_planes;
drm_crtc_helper_add(crtc, &vop_crtc_helper_funcs);
@@ -1181,6 +1215,7 @@ static int vop_create_crtc(struct vop *vop)
if (!port) {
DRM_ERROR("no port node found in %s\n",
dev->of_node->full_name);
+ ret = -ENOENT;
goto err_cleanup_crtc;
}
@@ -1194,7 +1229,8 @@ static int vop_create_crtc(struct vop *vop)
err_cleanup_crtc:
drm_crtc_cleanup(crtc);
err_cleanup_planes:
- list_for_each_entry(plane, &drm_dev->mode_config.plane_list, head)
+ list_for_each_entry_safe(plane, tmp, &drm_dev->mode_config.plane_list,
+ head)
drm_plane_cleanup(plane);
return ret;
}
@@ -1202,9 +1238,28 @@ err_cleanup_planes:
static void vop_destroy_crtc(struct vop *vop)
{
struct drm_crtc *crtc = &vop->crtc;
+ struct drm_device *drm_dev = vop->drm_dev;
+ struct drm_plane *plane, *tmp;
rockchip_unregister_crtc_funcs(crtc);
of_node_put(crtc->port);
+
+ /*
+ * We need to cleanup the planes now. Why?
+ *
+ * The planes are "&vop->win[i].base". That means the memory is
+ * all part of the big "struct vop" chunk of memory. That memory
+ * was devm allocated and associated with this component. We need to
+ * free it ourselves before vop_unbind() finishes.
+ */
+ list_for_each_entry_safe(plane, tmp, &drm_dev->mode_config.plane_list,
+ head)
+ vop_plane_destroy(plane);
+
+ /*
+ * Destroy CRTC after vop_plane_destroy() since vop_disable_plane()
+ * references the CRTC.
+ */
drm_crtc_cleanup(crtc);
}