diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2014-09-17 17:41:04 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2014-09-18 18:57:08 -0400 |
| commit | 31a25e2caf9367365fcb0e57fd8fa5a42e9b73e4 (patch) | |
| tree | 3631210411fa17a5ffe829e76e8b6a65584911d0 | |
| parent | 39da038479a81a35a7f8af3ab2c90effd5c8eff1 (diff) | |
| download | linux-31a25e2caf9367365fcb0e57fd8fa5a42e9b73e4.tar.bz2 | |
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
| -rw-r--r-- | drivers/gpu/drm/radeon/ni_dma.c | 6 |
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]; |