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drm/radeon/kms: fix alignment when allocating buffers

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We were previously dropping alignment requests on the floor
when allocating buffers so we always ended up page aligned.
Certain tiling modes on 6xx+ require larger alignment which
wasn't happening before.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: Jerome Glisse <j.glisse@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Alex Deucher 2010-11-17 19:00:26 -05:00 • committed by Dave Airlie
parent 2f5993cca6
commit 268b2510de
13 changed files with 25 additions and 23 deletions
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2
drivers/gpu/drm/radeon/radeon_device.c
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@ -180,7 +180,7 @@ int radeon_wb_init(struct radeon_device *rdev)
int r;
if (rdev->wb.wb_obj == NULL) {
r = radeon_bo_create(rdev, NULL, RADEON_GPU_PAGE_SIZE, true,
r = radeon_bo_create(rdev, NULL, RADEON_GPU_PAGE_SIZE, PAGE_SIZE, true,
RADEON_GEM_DOMAIN_GTT, &rdev->wb.wb_obj);
if (r) {
dev_warn(rdev->dev, "(%d) create WB bo failed\n", r);