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drm/amd/amdgpu: Clean up gmc6 wait_for_idle 

Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Tom St Denis 2017-05-15 14:22:39 -04:00 committed by Alex Deucher
parent c990b718f9
commit 9c2e1ae3ae
1 changed files with 1 additions and 7 deletions
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8
drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c
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@ -965,16 +965,10 @@ static bool gmc_v6_0_is_idle(void *handle)
static int gmc_v6_0_wait_for_idle(void *handle)
{
unsigned i;
u32 tmp;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
for (i = 0; i < adev->usec_timeout; i++) {
tmp = RREG32(mmSRBM_STATUS) & (SRBM_STATUS__MCB_BUSY_MASK |
SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK |
SRBM_STATUS__MCC_BUSY_MASK |
SRBM_STATUS__MCD_BUSY_MASK |
SRBM_STATUS__VMC_BUSY_MASK);
if (!tmp)
if (gmc_v6_0_is_idle(handle))
return 0;
udelay(1);
}