From: Alex Deucher <alexander.deucher@xxxxxxx>
This patch has been added to the 3.12 stable tree. If you have any
objections, please let us know.
===============
commit 799028d5d85384cce140323be633c8d5f079193f upstream.
Otherwise we may lose the DMA golden settings which can
lead to hangs, etc.
Reviewed-by: Christian König <christian.koenig@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
---
drivers/gpu/drm/radeon/cik_sdma.c | 7 -------
1 file changed, 7 deletions(-)
diff --git a/drivers/gpu/drm/radeon/cik_sdma.c b/drivers/gpu/drm/radeon/cik_sdma.c
index 0c6784f52410..dc055d40b96e 100644
--- a/drivers/gpu/drm/radeon/cik_sdma.c
+++ b/drivers/gpu/drm/radeon/cik_sdma.c
@@ -369,13 +369,6 @@ int cik_sdma_resume(struct radeon_device *rdev)
{
int r;
- /* Reset dma */
- WREG32(SRBM_SOFT_RESET, SOFT_RESET_SDMA | SOFT_RESET_SDMA1);
- RREG32(SRBM_SOFT_RESET);
- udelay(50);
- WREG32(SRBM_SOFT_RESET, 0);
- RREG32(SRBM_SOFT_RESET);
-
r = cik_sdma_load_microcode(rdev);
if (r)
return r;
--
2.1.1
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