From: Oak Zeng Date: Tue, 18 Dec 2018 01:42:58 +0000 (-0600) Subject: drm/amdgpu: Add per device sdma_doorbell_range field X-Git-Tag: v5.15~6763^2~26^2~57 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=fd4855409f6ebe015406cd2b2ffa4fee4cd1f4a7;p=platform%2Fkernel%2Flinux-starfive.git drm/amdgpu: Add per device sdma_doorbell_range field Different ASIC has different sdma doorbell range. Add a per device sdma_doorbell_range field and initialize it. Signed-off-by: Oak Zeng Reviewed-by: Philip Yang Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h index 35a0c05..1cfec06 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h @@ -72,6 +72,8 @@ struct amdgpu_doorbell_index { } uvd_vce; }; uint32_t max_assignment; + /* Per engine SDMA doorbell size in dword */ + uint32_t sdma_doorbell_range; }; typedef enum _AMDGPU_DOORBELL_ASSIGNMENT diff --git a/drivers/gpu/drm/amd/amdgpu/vega10_reg_init.c b/drivers/gpu/drm/amd/amdgpu/vega10_reg_init.c index b75d17b..4b5d60e 100644 --- a/drivers/gpu/drm/amd/amdgpu/vega10_reg_init.c +++ b/drivers/gpu/drm/amd/amdgpu/vega10_reg_init.c @@ -83,5 +83,6 @@ void vega10_doorbell_index_init(struct amdgpu_device *adev) adev->doorbell_index.uvd_vce.vce_ring6_7 = AMDGPU_DOORBELL64_VCE_RING6_7; /* In unit of dword doorbell */ adev->doorbell_index.max_assignment = AMDGPU_DOORBELL64_MAX_ASSIGNMENT << 1; + adev->doorbell_index.sdma_doorbell_range = 4; } diff --git a/drivers/gpu/drm/amd/amdgpu/vega20_reg_init.c b/drivers/gpu/drm/amd/amdgpu/vega20_reg_init.c index 63c542c..53716c5 100644 --- a/drivers/gpu/drm/amd/amdgpu/vega20_reg_init.c +++ b/drivers/gpu/drm/amd/amdgpu/vega20_reg_init.c @@ -86,5 +86,6 @@ void vega20_doorbell_index_init(struct amdgpu_device *adev) adev->doorbell_index.uvd_vce.vce_ring4_5 = AMDGPU_VEGA20_DOORBELL64_VCE_RING4_5; adev->doorbell_index.uvd_vce.vce_ring6_7 = AMDGPU_VEGA20_DOORBELL64_VCE_RING6_7; adev->doorbell_index.max_assignment = AMDGPU_VEGA20_DOORBELL_MAX_ASSIGNMENT << 1; + adev->doorbell_index.sdma_doorbell_range = 20; }