drm/amdgpu: Add first_non_cp and last_non_cp in amdgpu_doorbell_index

They will be used to inform KFD the doorbell range not usable for CP.

Signed-off-by: Yong Zhao <Yong.Zhao@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h
index 4354650..5587fac 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h
@@ -69,6 +69,8 @@ struct amdgpu_doorbell_index {
                        uint32_t vce_ring6_7;
                } uvd_vce;
        };
+       uint32_t first_non_cp;
+       uint32_t last_non_cp;
        uint32_t max_assignment;
        /* Per engine SDMA doorbell size in dword */
        uint32_t sdma_doorbell_range;
@@ -139,6 +141,10 @@ typedef enum _AMDGPU_VEGA20_DOORBELL_ASSIGNMENT
        AMDGPU_VEGA20_DOORBELL64_VCE_RING2_3             = 0x18D,
        AMDGPU_VEGA20_DOORBELL64_VCE_RING4_5             = 0x18E,
        AMDGPU_VEGA20_DOORBELL64_VCE_RING6_7             = 0x18F,
+
+       AMDGPU_VEGA20_DOORBELL64_FIRST_NON_CP            = AMDGPU_VEGA20_DOORBELL_sDMA_ENGINE0,
+       AMDGPU_VEGA20_DOORBELL64_LAST_NON_CP             = AMDGPU_VEGA20_DOORBELL64_VCE_RING6_7,
+
        AMDGPU_VEGA20_DOORBELL_MAX_ASSIGNMENT            = 0x18F,
        AMDGPU_VEGA20_DOORBELL_INVALID                   = 0xFFFF
 } AMDGPU_VEGA20_DOORBELL_ASSIGNMENT;
@@ -214,6 +220,9 @@ typedef enum _AMDGPU_DOORBELL64_ASSIGNMENT
        AMDGPU_DOORBELL64_VCE_RING4_5             = 0xFE,
        AMDGPU_DOORBELL64_VCE_RING6_7             = 0xFF,
 
+       AMDGPU_DOORBELL64_FIRST_NON_CP            = AMDGPU_DOORBELL64_sDMA_ENGINE0,
+       AMDGPU_DOORBELL64_LAST_NON_CP             = AMDGPU_DOORBELL64_VCE_RING6_7,
+
        AMDGPU_DOORBELL64_MAX_ASSIGNMENT          = 0xFF,
        AMDGPU_DOORBELL64_INVALID                 = 0xFFFF
 } AMDGPU_DOORBELL64_ASSIGNMENT;

diff --git a/drivers/gpu/drm/amd/amdgpu/vega10_reg_init.c b/drivers/gpu/drm/amd/amdgpu/vega10_reg_init.c
index 62f49c8..5e9e531 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/vega10_reg_init.c
+++ b/drivers/gpu/drm/amd/amdgpu/vega10_reg_init.c
@@ -79,6 +79,10 @@ void vega10_doorbell_index_init(struct amdgpu_device *adev)
        adev->doorbell_index.uvd_vce.vce_ring2_3 = AMDGPU_DOORBELL64_VCE_RING2_3;
        adev->doorbell_index.uvd_vce.vce_ring4_5 = AMDGPU_DOORBELL64_VCE_RING4_5;
        adev->doorbell_index.uvd_vce.vce_ring6_7 = AMDGPU_DOORBELL64_VCE_RING6_7;
+
+       adev->doorbell_index.first_non_cp = AMDGPU_DOORBELL64_FIRST_NON_CP;
+       adev->doorbell_index.last_non_cp = AMDGPU_DOORBELL64_LAST_NON_CP;
+
        /* 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 1271e17..fb6398e 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/vega20_reg_init.c
+++ b/drivers/gpu/drm/amd/amdgpu/vega20_reg_init.c
@@ -83,6 +83,10 @@ void vega20_doorbell_index_init(struct amdgpu_device *adev)
        adev->doorbell_index.uvd_vce.vce_ring2_3 = AMDGPU_VEGA20_DOORBELL64_VCE_RING2_3;
        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.first_non_cp = AMDGPU_VEGA20_DOORBELL64_FIRST_NON_CP;
+       adev->doorbell_index.last_non_cp = AMDGPU_VEGA20_DOORBELL64_LAST_NON_CP;
+
        adev->doorbell_index.max_assignment = AMDGPU_VEGA20_DOORBELL_MAX_ASSIGNMENT << 1;
        adev->doorbell_index.sdma_doorbell_range = 20;
 }