Different ASIC has different sdma doorbell range. Add
a per device sdma_doorbell_range field and initialize
it.
Change-Id: Idd980db1a72cfb373e24ac23ba3e48bb329ed4ad
Signed-off-by: Oak Zeng <Oak.Zeng@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h | 2 ++
drivers/gpu/drm/amd/amdgpu/vega10_reg_init.c | 1 +
drivers/gpu/drm/amd/amdgpu/vega20_reg_init.c | 1 +
3 files changed, 4 insertions(+)
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;
}
--
2.7.4
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