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drm/radeon/cik: stop the sdma engines in the enable() function 

We always stop the rings when disabling the engines so just
call the stop functions directly from the sdma enable function.
This way the rings' status is set correctly on suspend so
there are no problems on resume.  Fixes resume failures that
result in acceleration getting disabled.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Alex Deucher 2014-03-12 15:26:34 -04:00
parent 7b1bbe883b
commit 07ae78c979
1 changed files with 5 additions and 7 deletions
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12
drivers/gpu/drm/radeon/cik_sdma.c
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@ -293,6 +293,11 @@ void cik_sdma_enable(struct radeon_device *rdev, bool enable)
u32 me_cntl, reg_offset;
int i;
if (enable == false) {
cik_sdma_gfx_stop(rdev);
cik_sdma_rlc_stop(rdev);
}
for (i = 0; i < 2; i++) {
if (i == 0)
reg_offset = SDMA0_REGISTER_OFFSET;
@ -422,10 +427,6 @@ static int cik_sdma_load_microcode(struct radeon_device *rdev)
if (!rdev->sdma_fw)
return -EINVAL;
/* stop the gfx rings and rlc compute queues */
cik_sdma_gfx_stop(rdev);
cik_sdma_rlc_stop(rdev);
/* halt the MEs */
cik_sdma_enable(rdev, false);
@ -494,9 +495,6 @@ int cik_sdma_resume(struct radeon_device *rdev)
*/
void cik_sdma_fini(struct radeon_device *rdev)
{
/* stop the gfx rings and rlc compute queues */
cik_sdma_gfx_stop(rdev);
cik_sdma_rlc_stop(rdev);
/* halt the MEs */
cik_sdma_enable(rdev, false);
radeon_ring_fini(rdev, &rdev->ring[R600_RING_TYPE_DMA_INDEX]);