From 9194a339034f1927b28fbc8a5cff50b117142945 Mon Sep 17 00:00:00 2001 From: Christian König Date: Thu, 4 Oct 2018 16:22:41 +0200 Subject: drm/amdgpu: add basics for SDMA page queue support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Just the common helper and a new ring in the SDMA instance. Signed-off-by: Christian König Reviewed-by: Huang Rui Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.c | 10 ++++------ drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.h | 1 + 2 files changed, 5 insertions(+), 6 deletions(-) (limited to 'drivers/gpu/drm') 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; }; -- cgit v1.2.3