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drm/amd/amdgpu: Change vram debugfs to NO_KIQ for VM environments 

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Tom St Denis <tom.stdenis@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 2017-09-13 12:35:15 -04:00 committed by Alex Deucher
parent 0d2bd2ae04
commit c30572814d
1 changed files with 6 additions and 6 deletions
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12
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
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@ -1696,9 +1696,9 @@ static ssize_t amdgpu_ttm_vram_read(struct file *f, char __user *buf,
return result;
spin_lock_irqsave(&adev->mmio_idx_lock, flags);
WREG32(mmMM_INDEX, ((uint32_t)*pos) | 0x80000000);
WREG32(mmMM_INDEX_HI, *pos >> 31);
value = RREG32(mmMM_DATA);
WREG32_NO_KIQ(mmMM_INDEX, ((uint32_t)*pos) | 0x80000000);
WREG32_NO_KIQ(mmMM_INDEX_HI, *pos >> 31);
value = RREG32_NO_KIQ(mmMM_DATA);
spin_unlock_irqrestore(&adev->mmio_idx_lock, flags);
r = put_user(value, (uint32_t *)buf);
@ -1739,9 +1739,9 @@ static ssize_t amdgpu_ttm_vram_write(struct file *f, const char __user *buf,
return r;
spin_lock_irqsave(&adev->mmio_idx_lock, flags);
WREG32(mmMM_INDEX, ((uint32_t)*pos) | 0x80000000);
WREG32(mmMM_INDEX_HI, *pos >> 31);
WREG32(mmMM_DATA, value);
WREG32_NO_KIQ(mmMM_INDEX, ((uint32_t)*pos) | 0x80000000);
WREG32_NO_KIQ(mmMM_INDEX_HI, *pos >> 31);
WREG32_NO_KIQ(mmMM_DATA, value);
spin_unlock_irqrestore(&adev->mmio_idx_lock, flags);
result += 4;