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

[Deucher, Alexander]

> -----Original Message-----
> From: amd-gfx [mailto:amd-gfx-bounces at lists.freedesktop.org] On Behalf
> Of Tom St Denis
> Sent: Wednesday, September 13, 2017 12:38 PM
> To: amd-gfx at lists.freedesktop.org
> Cc: StDenis, Tom
> Subject: [PATCH] drm/amd/amdgpu: Change vram debugfs to NO_KIQ for
> VM environments
> 
> Signed-off-by: Tom St Denis <tom.stdenis at amd.com>

Reviewed-by: Alex Deucher <alexander.deucher at amd.com>

> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
> index 0d4c2c5a7948..2180ed3eae3b 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
> @@ -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;
> --
> 2.12.0
> 
> _______________________________________________
> amd-gfx mailing list
> amd-gfx at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/amd-gfx