[v5] drm/amdgpu: preparation patchs for the use all SDMA instances series

[PATCH v5 01/10] drm/amdgpu: remove gart_window_lock usage from gmc v12_1

Posted by Pierre-Eric Pelloux-Prayer 2 weeks, 3 days ago

Same as what was done in commit 904de683fa5f
("drm/amdgpu: remove gart_window_lock usage from gmc v12") for v12.

Signed-off-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gmc_v12_1.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v12_1.c b/drivers/gpu/drm/amd/amdgpu/gmc_v12_1.c
index ef6e550ce7c3..dc8865c5879c 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v12_1.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v12_1.c
@@ -345,9 +345,7 @@ static void gmc_v12_1_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid,
 		return;
 	}
 
-	mutex_lock(&adev->mman.gtt_window_lock);
 	gmc_v12_1_flush_vm_hub(adev, vmid, vmhub, 0);
-	mutex_unlock(&adev->mman.gtt_window_lock);
 	return;
 }
 
-- 
2.43.0

Re: [PATCH v5 01/10] drm/amdgpu: remove gart_window_lock usage from gmc v12_1

Posted by Christian König 2 weeks, 2 days ago

On 1/22/26 18:01, Pierre-Eric Pelloux-Prayer wrote:
> Same as what was done in commit 904de683fa5f
> ("drm/amdgpu: remove gart_window_lock usage from gmc v12") for v12.
> 
> Signed-off-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>

Reviewed-by: Christian König <christian.koenig@amd.com>

> ---
>  drivers/gpu/drm/amd/amdgpu/gmc_v12_1.c | 2 --
>  1 file changed, 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v12_1.c b/drivers/gpu/drm/amd/amdgpu/gmc_v12_1.c
> index ef6e550ce7c3..dc8865c5879c 100644
> --- a/drivers/gpu/drm/amd/amdgpu/gmc_v12_1.c
> +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v12_1.c
> @@ -345,9 +345,7 @@ static void gmc_v12_1_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid,
>  		return;
>  	}
>  
> -	mutex_lock(&adev->mman.gtt_window_lock);
>  	gmc_v12_1_flush_vm_hub(adev, vmid, vmhub, 0);
> -	mutex_unlock(&adev->mman.gtt_window_lock);
>  	return;
>  }
>

Re: [PATCH v5 01/10] drm/amdgpu: remove gart_window_lock usage from gmc v12_1

Posted by Alex Deucher 2 weeks, 3 days ago

On Thu, Jan 22, 2026 at 12:17 PM Pierre-Eric Pelloux-Prayer
<pierre-eric.pelloux-prayer@amd.com> wrote:
>
> Same as what was done in commit 904de683fa5f
> ("drm/amdgpu: remove gart_window_lock usage from gmc v12") for v12.
>
> Signed-off-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>

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

> ---
>  drivers/gpu/drm/amd/amdgpu/gmc_v12_1.c | 2 --
>  1 file changed, 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v12_1.c b/drivers/gpu/drm/amd/amdgpu/gmc_v12_1.c
> index ef6e550ce7c3..dc8865c5879c 100644
> --- a/drivers/gpu/drm/amd/amdgpu/gmc_v12_1.c
> +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v12_1.c
> @@ -345,9 +345,7 @@ static void gmc_v12_1_flush_gpu_tlb(struct amdgpu_device *adev, uint32_t vmid,
>                 return;
>         }
>
> -       mutex_lock(&adev->mman.gtt_window_lock);
>         gmc_v12_1_flush_vm_hub(adev, vmid, vmhub, 0);
> -       mutex_unlock(&adev->mman.gtt_window_lock);
>         return;
>  }
>
> --
> 2.43.0
>