From: Christian König Date: Wed, 24 Apr 2013 12:11:09 +0000 (+0200) Subject: drm/radeon: fix scratch reg handling for UVD fence X-Git-Tag: firefly_0821_release~3680^2~443^2~25^2~7 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=581bc3a9f628dad6221536d9f37af0472c66bb92;p=firefly-linux-kernel-4.4.55.git drm/radeon: fix scratch reg handling for UVD fence Also init the scratch reg to zero on the UVD ring. This fixes UVD on AGP based cards. Signed-off-by: Christian König Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/radeon/radeon_fence.c b/drivers/gpu/drm/radeon/radeon_fence.c index 1a699cefaac7..5b937dfe6f65 100644 --- a/drivers/gpu/drm/radeon/radeon_fence.c +++ b/drivers/gpu/drm/radeon/radeon_fence.c @@ -767,8 +767,8 @@ int radeon_fence_driver_start_ring(struct radeon_device *rdev, int ring) radeon_scratch_free(rdev, rdev->fence_drv[ring].scratch_reg); if (rdev->wb.use_event || !radeon_ring_supports_scratch_reg(rdev, &rdev->ring[ring])) { + rdev->fence_drv[ring].scratch_reg = 0; if (ring != R600_RING_TYPE_UVD_INDEX) { - rdev->fence_drv[ring].scratch_reg = 0; index = R600_WB_EVENT_OFFSET + ring * 4; rdev->fence_drv[ring].cpu_addr = &rdev->wb.wb[index/4]; rdev->fence_drv[ring].gpu_addr = rdev->wb.gpu_addr +