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From a6ff60931bbe44f217a5251bb19192e497f3f9a7 Mon Sep 17 00:00:00 2001
From: Oak Zeng <Oak.Zeng@amd.com>
Date: Mon, 17 Dec 2018 19:42:58 -0600
Subject: [PATCH 1103/2940] 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 <Oak.Zeng@amd.com>
Reviewed-by: Philip Yang <Philip.Yang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
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 35a0c05f454c..1cfec06f81d4 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 b75d17ba59e2..4b5d60ea3e78 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 63c542cfabfa..53716c593b2b 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;
}
--
2.17.1
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