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authorVille Syrjälä <ville.syrjala@linux.intel.com>2016-01-20 21:05:23 +0200
committerVille Syrjälä <ville.syrjala@linux.intel.com>2016-01-28 20:56:14 +0200
commit871302555b1dd19d91b8f78ae1d3790773098ed3 (patch)
treea8fb8d43713fa0c383df41cb808bca4f53ba58e8 /drivers/gpu/drm/i915/i915_gem_gtt.c
parent7723f47dc685c7152d3ce217f09f036ec7f3f5ce (diff)
downloadop-kernel-dev-871302555b1dd19d91b8f78ae1d3790773098ed3.zip
op-kernel-dev-871302555b1dd19d91b8f78ae1d3790773098ed3.tar.gz
drm/i915: Pass stride to rotate_pages()
Pass stride in addition to width and height to rotate_pages(). For now width and stride are the same, but once framebuffer offsets enter the scene that may no longer be the case. Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1453316739-13296-3-git-send-email-ville.syrjala@linux.intel.com Reviewed-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.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 5b660ff..b5aac6e 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -3348,6 +3348,7 @@ i915_gem_obj_lookup_or_create_ggtt_vma(struct drm_i915_gem_object *obj,
static struct scatterlist *
rotate_pages(const dma_addr_t *in, unsigned int offset,
unsigned int width, unsigned int height,
+ unsigned int stride,
struct sg_table *st, struct scatterlist *sg)
{
unsigned int column, row;
@@ -3359,7 +3360,7 @@ rotate_pages(const dma_addr_t *in, unsigned int offset,
}
for (column = 0; column < width; column++) {
- src_idx = width * (height - 1) + column;
+ src_idx = stride * (height - 1) + column;
for (row = 0; row < height; row++) {
st->nents++;
/* We don't need the pages, but need to initialize
@@ -3370,7 +3371,7 @@ rotate_pages(const dma_addr_t *in, unsigned int offset,
sg_dma_address(sg) = in[offset + src_idx];
sg_dma_len(sg) = PAGE_SIZE;
sg = sg_next(sg);
- src_idx -= width;
+ src_idx -= stride;
}
}
@@ -3423,6 +3424,7 @@ intel_rotate_fb_obj_pages(struct i915_ggtt_view *ggtt_view,
/* Rotate the pages. */
sg = rotate_pages(page_addr_list, 0,
rot_info->width_pages, rot_info->height_pages,
+ rot_info->width_pages,
st, NULL);
/* Append the UV plane if NV12. */
@@ -3438,6 +3440,7 @@ intel_rotate_fb_obj_pages(struct i915_ggtt_view *ggtt_view,
rotate_pages(page_addr_list, uv_start_page,
rot_info->width_pages_uv,
rot_info->height_pages_uv,
+ rot_info->width_pages_uv,
st, sg);
}
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