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drm/radeon/kms: align height of fb allocation.

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this aligns the height of the fb allocation so it doesn't trip
over the size checks later when we use this from userspace to
copy the buffer at X start.

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2011-02-18 15:51:57 +10:00
parent bd6a60afeb
commit e40b6fc837
1 changed files with 4 additions and 1 deletions
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5
drivers/gpu/drm/radeon/radeon_fb.c
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@ -113,11 +113,14 @@ static int radeonfb_create_pinned_object(struct radeon_fbdev *rfbdev,
u32 tiling_flags = 0;
int ret;
int aligned_size, size;
int height = mode_cmd->height;
/* need to align pitch with crtc limits */
mode_cmd->pitch = radeon_align_pitch(rdev, mode_cmd->width, mode_cmd->bpp, fb_tiled) * ((mode_cmd->bpp + 1) / 8);
size = mode_cmd->pitch * mode_cmd->height;
if (rdev->family >= CHIP_R600)
height = ALIGN(mode_cmd->height, 8);
size = mode_cmd->pitch * height;
aligned_size = ALIGN(size, PAGE_SIZE);
ret = radeon_gem_object_create(rdev, aligned_size, 0,
RADEON_GEM_DOMAIN_VRAM,