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authorAlex Deucher <alexander.deucher@amd.com>2014-09-17 17:41:04 -0400
committerAlex Deucher <alexander.deucher@amd.com>2014-09-18 18:57:08 -0400
commit31a25e2caf9367365fcb0e57fd8fa5a42e9b73e4 (patch)
tree3631210411fa17a5ffe829e76e8b6a65584911d0 /drivers/gpu
parent39da038479a81a35a7f8af3ab2c90effd5c8eff1 (diff)
drm/radeon: don't reset dma on NI/SI init
Otherwise we may lose the DMA golden settings which can lead to hangs, etc. bug: https://www.libreoffice.org/bugzilla/show_bug.cgi?id=83500 Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/radeon/ni_dma.c6
1 files changed, 0 insertions, 6 deletions
diff --git a/drivers/gpu/drm/radeon/ni_dma.c b/drivers/gpu/drm/radeon/ni_dma.c
index 8a3e6221cece..f26f0a9fb522 100644
--- a/drivers/gpu/drm/radeon/ni_dma.c
+++ b/drivers/gpu/drm/radeon/ni_dma.c
@@ -191,12 +191,6 @@ int cayman_dma_resume(struct radeon_device *rdev)
u32 reg_offset, wb_offset;
int i, r;
- /* Reset dma */
- WREG32(SRBM_SOFT_RESET, SOFT_RESET_DMA | SOFT_RESET_DMA1);
- RREG32(SRBM_SOFT_RESET);
- udelay(50);
- WREG32(SRBM_SOFT_RESET, 0);
-
for (i = 0; i < 2; i++) {
if (i == 0) {
ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];