diff options
author | Tvrtko Ursulin <tvrtko.ursulin@intel.com> | 2015-09-21 10:45:34 +0100 |
---|---|---|
committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2015-09-23 17:28:40 +0200 |
commit | 89e3e1427629027dc33e576fc002880a02a7e50c (patch) | |
tree | 20ff39558826ca49754ca8f06d843259e81b0748 /drivers/gpu/drm/i915/i915_gem_gtt.c | |
parent | 804beb4b5b76e41352b41027ab2804b8462c1686 (diff) | |
download | op-kernel-dev-89e3e1427629027dc33e576fc002880a02a7e50c.zip op-kernel-dev-89e3e1427629027dc33e576fc002880a02a7e50c.tar.gz |
drm/i915: Support NV12 in rotated GGTT mapping
Just adding the rotated UV plane at the end of the rotated Y plane.
v2: Rebase.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_gtt.c')
-rw-r--r-- | drivers/gpu/drm/i915/i915_gem_gtt.c | 37 |
1 files changed, 31 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index 2a8f64d..ad0e7e0 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -3282,10 +3282,13 @@ intel_rotate_fb_obj_pages(struct i915_ggtt_view *ggtt_view, { struct intel_rotation_info *rot_info = &ggtt_view->rotation_info; unsigned int size_pages = rot_info->size >> PAGE_SHIFT; + unsigned int size_pages_uv; struct sg_page_iter sg_iter; unsigned long i; dma_addr_t *page_addr_list; struct sg_table *st; + unsigned int uv_start_page; + struct scatterlist *sg; int ret = -ENOMEM; /* Allocate a temporary list of source pages for random access. */ @@ -3294,12 +3297,18 @@ intel_rotate_fb_obj_pages(struct i915_ggtt_view *ggtt_view, if (!page_addr_list) return ERR_PTR(ret); + /* Account for UV plane with NV12. */ + if (rot_info->pixel_format == DRM_FORMAT_NV12) + size_pages_uv = rot_info->size_uv >> PAGE_SHIFT; + else + size_pages_uv = 0; + /* Allocate target SG list. */ st = kmalloc(sizeof(*st), GFP_KERNEL); if (!st) goto err_st_alloc; - ret = sg_alloc_table(st, size_pages, GFP_KERNEL); + ret = sg_alloc_table(st, size_pages + size_pages_uv, GFP_KERNEL); if (ret) goto err_sg_alloc; @@ -3311,15 +3320,30 @@ intel_rotate_fb_obj_pages(struct i915_ggtt_view *ggtt_view, } /* Rotate the pages. */ - rotate_pages(page_addr_list, 0, + sg = rotate_pages(page_addr_list, 0, rot_info->width_pages, rot_info->height_pages, st, NULL); + /* Append the UV plane if NV12. */ + if (rot_info->pixel_format == DRM_FORMAT_NV12) { + uv_start_page = size_pages; + + /* Check for tile-row un-alignment. */ + if (offset_in_page(rot_info->uv_offset)) + uv_start_page--; + + rotate_pages(page_addr_list, uv_start_page, + rot_info->width_pages_uv, + rot_info->height_pages_uv, + st, sg); + } + DRM_DEBUG_KMS( - "Created rotated page mapping for object size %zu (pitch=%u, height=%u, pixel_format=0x%x, %ux%u tiles, %u pages).\n", + "Created rotated page mapping for object size %zu (pitch=%u, height=%u, pixel_format=0x%x, %ux%u tiles, %u pages (%u plane 0)).\n", obj->base.size, rot_info->pitch, rot_info->height, rot_info->pixel_format, rot_info->width_pages, - rot_info->height_pages, size_pages); + rot_info->height_pages, size_pages + size_pages_uv, + size_pages); drm_free_large(page_addr_list); @@ -3331,10 +3355,11 @@ err_st_alloc: drm_free_large(page_addr_list); DRM_DEBUG_KMS( - "Failed to create rotated mapping for object size %zu! (%d) (pitch=%u, height=%u, pixel_format=0x%x, %ux%u tiles, %u pages)\n", + "Failed to create rotated mapping for object size %zu! (%d) (pitch=%u, height=%u, pixel_format=0x%x, %ux%u tiles, %u pages (%u plane 0))\n", obj->base.size, ret, rot_info->pitch, rot_info->height, rot_info->pixel_format, rot_info->width_pages, - rot_info->height_pages, size_pages); + rot_info->height_pages, size_pages + size_pages_uv, + size_pages); return ERR_PTR(ret); } |