redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

drm/radeon: don't reset sdma on CIK init 

Otherwise we may lose the DMA golden settings which can
lead to hangs, etc.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
hifive-unleashed-5.1
Alex Deucher 2014-09-18 10:18:43 -04:00
parent 31a25e2caf
commit 799028d5d8
1 changed files with 0 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/gpu/drm/radeon/cik_sdma.c
View File

@ -489,13 +489,6 @@ 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;