diff options
Diffstat (limited to 'drivers/gpu/drm/arm/display/komeda')
5 files changed, 39 insertions, 2 deletions
diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_dev.c b/drivers/gpu/drm/arm/display/komeda/komeda_dev.c index 5a118984de33..a0eabc134dd6 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_dev.c +++ b/drivers/gpu/drm/arm/display/komeda/komeda_dev.c @@ -8,6 +8,7 @@ #include <linux/iommu.h> #include <linux/of_device.h> #include <linux/of_graph.h> +#include <linux/of_reserved_mem.h> #include <linux/platform_device.h> #include <linux/dma-mapping.h> #ifdef CONFIG_DEBUG_FS @@ -143,6 +144,12 @@ static int komeda_parse_dt(struct device *dev, struct komeda_dev *mdev) return mdev->irq; } + /* Get the optional framebuffer memory resource */ + ret = of_reserved_mem_device_init(dev); + if (ret && ret != -ENODEV) + return ret; + ret = 0; + for_each_available_child_of_node(np, child) { if (of_node_cmp(child->name, "pipeline") == 0) { ret = komeda_parse_pipe_dt(mdev, child); @@ -289,6 +296,8 @@ void komeda_dev_destroy(struct komeda_dev *mdev) mdev->n_pipelines = 0; + of_reserved_mem_device_release(dev); + if (funcs && funcs->cleanup) funcs->cleanup(mdev); diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_format_caps.c b/drivers/gpu/drm/arm/display/komeda/komeda_format_caps.c index cd4d9f53ddef..c9a1edb9a000 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_format_caps.c +++ b/drivers/gpu/drm/arm/display/komeda/komeda_format_caps.c @@ -35,6 +35,25 @@ komeda_get_format_caps(struct komeda_format_caps_table *table, return NULL; } +u32 komeda_get_afbc_format_bpp(const struct drm_format_info *info, u64 modifier) +{ + u32 bpp; + + switch (info->format) { + case DRM_FORMAT_YUV420_8BIT: + bpp = 12; + break; + case DRM_FORMAT_YUV420_10BIT: + bpp = 15; + break; + default: + bpp = info->cpp[0] * 8; + break; + } + + return bpp; +} + /* Two assumptions * 1. RGB always has YTR * 2. Tiled RGB always has SC diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_format_caps.h b/drivers/gpu/drm/arm/display/komeda/komeda_format_caps.h index 3631910d33b5..32273cf18f7c 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_format_caps.h +++ b/drivers/gpu/drm/arm/display/komeda/komeda_format_caps.h @@ -97,6 +97,9 @@ const struct komeda_format_caps * komeda_get_format_caps(struct komeda_format_caps_table *table, u32 fourcc, u64 modifier); +u32 komeda_get_afbc_format_bpp(const struct drm_format_info *info, + u64 modifier); + u32 *komeda_get_layer_fourcc_list(struct komeda_format_caps_table *table, u32 layer_type, u32 *n_fmts); diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c b/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c index 3b0a70ed6aa0..1b01a625f40e 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c +++ b/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c @@ -43,7 +43,7 @@ komeda_fb_afbc_size_check(struct komeda_fb *kfb, struct drm_file *file, struct drm_framebuffer *fb = &kfb->base; const struct drm_format_info *info = fb->format; struct drm_gem_object *obj; - u32 alignment_w = 0, alignment_h = 0, alignment_header, n_blocks; + u32 alignment_w = 0, alignment_h = 0, alignment_header, n_blocks, bpp; u64 min_size; obj = drm_gem_object_lookup(file, mode_cmd->handles[0]); @@ -88,8 +88,9 @@ komeda_fb_afbc_size_check(struct komeda_fb *kfb, struct drm_file *file, kfb->offset_payload = ALIGN(n_blocks * AFBC_HEADER_SIZE, alignment_header); + bpp = komeda_get_afbc_format_bpp(info, fb->modifier); kfb->afbc_size = kfb->offset_payload + n_blocks * - ALIGN(info->cpp[0] * AFBC_SUPERBLK_PIXELS, + ALIGN(bpp * AFBC_SUPERBLK_PIXELS / 8, AFBC_SUPERBLK_ALIGNMENT); min_size = kfb->afbc_size + fb->offsets[0]; if (min_size > obj->size) { diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_kms.c b/drivers/gpu/drm/arm/display/komeda/komeda_kms.c index 419a8b0e5de8..d50e75f0b2bd 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_kms.c +++ b/drivers/gpu/drm/arm/display/komeda/komeda_kms.c @@ -15,6 +15,7 @@ #include <drm/drm_gem_framebuffer_helper.h> #include <drm/drm_irq.h> #include <drm/drm_vblank.h> +#include <drm/drm_probe_helper.h> #include "komeda_dev.h" #include "komeda_framebuffer.h" @@ -315,6 +316,8 @@ struct komeda_kms_dev *komeda_kms_attach(struct komeda_dev *mdev) drm->irq_enabled = true; + drm_kms_helper_poll_init(drm); + err = drm_dev_register(drm, 0); if (err) goto cleanup_mode_config; @@ -322,6 +325,7 @@ struct komeda_kms_dev *komeda_kms_attach(struct komeda_dev *mdev) return kms; cleanup_mode_config: + drm_kms_helper_poll_fini(drm); drm->irq_enabled = false; drm_mode_config_cleanup(drm); komeda_kms_cleanup_private_objs(kms); @@ -338,6 +342,7 @@ void komeda_kms_detach(struct komeda_kms_dev *kms) drm->irq_enabled = false; mdev->funcs->disable_irq(mdev); drm_dev_unregister(drm); + drm_kms_helper_poll_fini(drm); component_unbind_all(mdev->dev, drm); komeda_kms_cleanup_private_objs(kms); drm_mode_config_cleanup(drm); |