drm/amdgpu: Use sdma_engine array

Use sdma_engine[8] array instead of sdma_engine0~7 so it is easier
to program.
Signed-off-by: Oak Zeng <Oak.Zeng@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.c

@@ -188,13 +188,13 @@ void amdgpu_amdkfd_device_init(struct amdgpu_device *adev)
 			 * can use each doorbell assignment twice.
 			 */
 			gpu_resources.sdma_doorbell[0][i] =
-				adev->doorbell_index.sdma_engine0 + (i >> 1);
+				adev->doorbell_index.sdma_engine[0] + (i >> 1);
 			gpu_resources.sdma_doorbell[0][i+1] =
-				adev->doorbell_index.sdma_engine0 + 0x200 + (i >> 1);
+				adev->doorbell_index.sdma_engine[0] + 0x200 + (i >> 1);
 			gpu_resources.sdma_doorbell[1][i] =
-				adev->doorbell_index.sdma_engine1 + (i >> 1);
+				adev->doorbell_index.sdma_engine[1] + (i >> 1);
 			gpu_resources.sdma_doorbell[1][i+1] =
-				adev->doorbell_index.sdma_engine1 + 0x200 + (i >> 1);
+				adev->doorbell_index.sdma_engine[1] + 0x200 + (i >> 1);
 		}
 		/* Doorbells 0x0e0-0ff and 0x2e0-2ff are reserved for
 		 * SDMA, IH and VCN. So don't use them for the CP.

drivers/gpu/drm/amd/amdgpu/amdgpu_doorbell.h

@@ -51,14 +51,7 @@ struct amdgpu_doorbell_index {
 	uint32_t userqueue_start;
 	uint32_t userqueue_end;
 	uint32_t gfx_ring0;
-	uint32_t sdma_engine0;
-	uint32_t sdma_engine1;
-	uint32_t sdma_engine2;
-	uint32_t sdma_engine3;
-	uint32_t sdma_engine4;
-	uint32_t sdma_engine5;
-	uint32_t sdma_engine6;
-	uint32_t sdma_engine7;
+	uint32_t sdma_engine[8];
 	uint32_t ih;
 	union {
 		struct {

drivers/gpu/drm/amd/amdgpu/sdma_v3_0.c

@@ -1145,8 +1145,7 @@ static int sdma_v3_0_sw_init(void *handle)
 		ring->ring_obj = NULL;
 		if (!amdgpu_sriov_vf(adev)) {
 			ring->use_doorbell = true;
-			ring->doorbell_index = (i == 0) ?
-				adev->doorbell_index.sdma_engine0 : adev->doorbell_index.sdma_engine1;
+			ring->doorbell_index = adev->doorbell_index.sdma_engine[i];
 		} else {
 			ring->use_pollmem = true;
 		}

drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c

@@ -1522,9 +1522,7 @@ static int sdma_v4_0_sw_init(void *handle)
 				ring->use_doorbell?"true":"false");
 
 		/* doorbell size is 2 dwords, get DWORD offset */
-		ring->doorbell_index = (i == 0) ?
-			(adev->doorbell_index.sdma_engine0 << 1)
-			: (adev->doorbell_index.sdma_engine1 << 1);
+		ring->doorbell_index = adev->doorbell_index.sdma_engine[i] << 1;
 
 		sprintf(ring->name, "sdma%d", i);
 		r = amdgpu_ring_init(adev, ring, 1024,
@@ -1543,9 +1541,7 @@ static int sdma_v4_0_sw_init(void *handle)
 			/* paging queue use same doorbell index/routing as gfx queue
 			 * with 0x400 (4096 dwords) offset on second doorbell page
 			 */
-			ring->doorbell_index = (i == 0) ?
-				(adev->doorbell_index.sdma_engine0 << 1)
-				: (adev->doorbell_index.sdma_engine1 << 1);
+			ring->doorbell_index = adev->doorbell_index.sdma_engine[i] << 1;
 			ring->doorbell_index += 0x400;
 
 			sprintf(ring->name, "page%d", i);

drivers/gpu/drm/amd/amdgpu/vega10_reg_init.c

@@ -70,8 +70,8 @@ void vega10_doorbell_index_init(struct amdgpu_device *adev)
 	adev->doorbell_index.userqueue_start = AMDGPU_DOORBELL64_USERQUEUE_START;
 	adev->doorbell_index.userqueue_end = AMDGPU_DOORBELL64_USERQUEUE_END;
 	adev->doorbell_index.gfx_ring0 = AMDGPU_DOORBELL64_GFX_RING0;
-	adev->doorbell_index.sdma_engine0 = AMDGPU_DOORBELL64_sDMA_ENGINE0;
-	adev->doorbell_index.sdma_engine1 = AMDGPU_DOORBELL64_sDMA_ENGINE1;
+	adev->doorbell_index.sdma_engine[0] = AMDGPU_DOORBELL64_sDMA_ENGINE0;
+	adev->doorbell_index.sdma_engine[1] = AMDGPU_DOORBELL64_sDMA_ENGINE1;
 	adev->doorbell_index.ih = AMDGPU_DOORBELL64_IH;
 	adev->doorbell_index.uvd_vce.uvd_ring0_1 = AMDGPU_DOORBELL64_UVD_RING0_1;
 	adev->doorbell_index.uvd_vce.uvd_ring2_3 = AMDGPU_DOORBELL64_UVD_RING2_3;

drivers/gpu/drm/amd/amdgpu/vega20_reg_init.c

@@ -68,14 +68,14 @@ void vega20_doorbell_index_init(struct amdgpu_device *adev)
 	adev->doorbell_index.userqueue_start = AMDGPU_VEGA20_DOORBELL_USERQUEUE_START;
 	adev->doorbell_index.userqueue_end = AMDGPU_VEGA20_DOORBELL_USERQUEUE_END;
 	adev->doorbell_index.gfx_ring0 = AMDGPU_VEGA20_DOORBELL_GFX_RING0;
-	adev->doorbell_index.sdma_engine0 = AMDGPU_VEGA20_DOORBELL_sDMA_ENGINE0;
-	adev->doorbell_index.sdma_engine1 = AMDGPU_VEGA20_DOORBELL_sDMA_ENGINE1;
-	adev->doorbell_index.sdma_engine2 = AMDGPU_VEGA20_DOORBELL_sDMA_ENGINE2;
-	adev->doorbell_index.sdma_engine3 = AMDGPU_VEGA20_DOORBELL_sDMA_ENGINE3;
-	adev->doorbell_index.sdma_engine4 = AMDGPU_VEGA20_DOORBELL_sDMA_ENGINE4;
-	adev->doorbell_index.sdma_engine5 = AMDGPU_VEGA20_DOORBELL_sDMA_ENGINE5;
-	adev->doorbell_index.sdma_engine6 = AMDGPU_VEGA20_DOORBELL_sDMA_ENGINE6;
-	adev->doorbell_index.sdma_engine7 = AMDGPU_VEGA20_DOORBELL_sDMA_ENGINE7;
+	adev->doorbell_index.sdma_engine[0] = AMDGPU_VEGA20_DOORBELL_sDMA_ENGINE0;
+	adev->doorbell_index.sdma_engine[1] = AMDGPU_VEGA20_DOORBELL_sDMA_ENGINE1;
+	adev->doorbell_index.sdma_engine[2] = AMDGPU_VEGA20_DOORBELL_sDMA_ENGINE2;
+	adev->doorbell_index.sdma_engine[3] = AMDGPU_VEGA20_DOORBELL_sDMA_ENGINE3;
+	adev->doorbell_index.sdma_engine[4] = AMDGPU_VEGA20_DOORBELL_sDMA_ENGINE4;
+	adev->doorbell_index.sdma_engine[5] = AMDGPU_VEGA20_DOORBELL_sDMA_ENGINE5;
+	adev->doorbell_index.sdma_engine[6] = AMDGPU_VEGA20_DOORBELL_sDMA_ENGINE6;
+	adev->doorbell_index.sdma_engine[7] = AMDGPU_VEGA20_DOORBELL_sDMA_ENGINE7;
 	adev->doorbell_index.ih = AMDGPU_VEGA20_DOORBELL_IH;
 	adev->doorbell_index.uvd_vce.uvd_ring0_1 = AMDGPU_VEGA20_DOORBELL64_UVD_RING0_1;
 	adev->doorbell_index.uvd_vce.uvd_ring2_3 = AMDGPU_VEGA20_DOORBELL64_UVD_RING2_3;

drivers/gpu/drm/amd/amdgpu/vi.c

@@ -1726,8 +1726,8 @@ void legacy_doorbell_index_init(struct amdgpu_device *adev)
 	adev->doorbell_index.mec_ring6 = AMDGPU_DOORBELL_MEC_RING6;
 	adev->doorbell_index.mec_ring7 = AMDGPU_DOORBELL_MEC_RING7;
 	adev->doorbell_index.gfx_ring0 = AMDGPU_DOORBELL_GFX_RING0;
-	adev->doorbell_index.sdma_engine0 = AMDGPU_DOORBELL_sDMA_ENGINE0;
-	adev->doorbell_index.sdma_engine1 = AMDGPU_DOORBELL_sDMA_ENGINE1;
+	adev->doorbell_index.sdma_engine[0] = AMDGPU_DOORBELL_sDMA_ENGINE0;
+	adev->doorbell_index.sdma_engine[1] = AMDGPU_DOORBELL_sDMA_ENGINE1;
 	adev->doorbell_index.ih = AMDGPU_DOORBELL_IH;
 	adev->doorbell_index.max_assignment = AMDGPU_DOORBELL_MAX_ASSIGNMENT;
 }