[PATCH] drm/amdgpu: don't try to move pinned BOs

[PATCH] drm/amdgpu: don't try to move pinned BOs

[Christian König]

Never try to move pinned BOs during CS.

Signed-off-by: Christian König <christian.koenig@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index dbae7411e754..d15836b4826a 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -414,6 +414,10 @@ static bool amdgpu_cs_try_evict(struct amdgpu_cs_parser *p,
 		if (candidate->robj == validated)
 			break;
 
+		/* We can't move pinned BOs here */
+		if (bo->pin_count)
+			continue;
+
 		other = amdgpu_mem_type_to_domain(bo->tbo.mem.mem_type);
 
 		/* Check if this BO is in one of the domains we need space for */
-- 
2.11.0

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Re: [PATCH] drm/amdgpu: don't try to move pinned BOs

[Michel Dänzer]

On 2017-11-24 11:46 AM, Christian König wrote:
> Never try to move pinned BOs during CS.
> 
> Signed-off-by: Christian König <christian.koenig@amd.com>
> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
> index dbae7411e754..d15836b4826a 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
> @@ -414,6 +414,10 @@ static bool amdgpu_cs_try_evict(struct amdgpu_cs_parser *p,
>  		if (candidate->robj == validated)
>  			break;
>  
> +		/* We can't move pinned BOs here */
> +		if (bo->pin_count)
> +			continue;
> +
>  		other = amdgpu_mem_type_to_domain(bo->tbo.mem.mem_type);
>  
>  		/* Check if this BO is in one of the domains we need space for */
> 

Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>


-- 
Earthling Michel Dänzer               |               http://www.amd.com
Libre software enthusiast             |             Mesa and X developer
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