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authorChristian König <christian.koenig@amd.com>2018-10-04 17:22:41 +0300
committerAlex Deucher <alexander.deucher@amd.com>2018-11-05 22:20:54 +0300
commit9194a339034f1927b28fbc8a5cff50b117142945 (patch)
treedab62f38f589815489df0c0cfe36ef633b7046e2 /drivers
parent51235849d99556fe9929735625d134b3b6acbf4a (diff)
downloadlinux-9194a339034f1927b28fbc8a5cff50b117142945.tar.xz
drm/amdgpu: add basics for SDMA page queue support
Just the common helper and a new ring in the SDMA instance. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Huang Rui <ray.huang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c10
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.h1
2 files changed, 5 insertions, 6 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c
index bc9244b429ef..0fb9907494bb 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c
@@ -34,11 +34,9 @@ struct amdgpu_sdma_instance * amdgpu_get_sdma_instance(struct amdgpu_ring *ring)
int i;
for (i = 0; i < adev->sdma.num_instances; i++)
- if (&adev->sdma.instance[i].ring == ring)
- break;
+ if (ring == &adev->sdma.instance[i].ring ||
+ ring == &adev->sdma.instance[i].page)
+ return &adev->sdma.instance[i];
- if (i < AMDGPU_MAX_SDMA_INSTANCES)
- return &adev->sdma.instance[i];
- else
- return NULL;
+ return NULL;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.h
index 500113ec65ca..556db42edaed 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.h
@@ -41,6 +41,7 @@ struct amdgpu_sdma_instance {
uint32_t feature_version;
struct amdgpu_ring ring;
+ struct amdgpu_ring page;
bool burst_nop;
};