drm/amdgpu: add multiple instances support for Arcturus

Arcturus has dual-VCN. Need add multiple instances support for Arcturus.
Signed-off-by: James Zhu <James.Zhu@amd.com>
Reviewed-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -408,23 +408,29 @@ static int amdgpu_hw_ip_info(struct amdgpu_device *adev,
 		break;
 	case AMDGPU_HW_IP_VCN_DEC:
 		type = AMD_IP_BLOCK_TYPE_VCN;
-		if (adev->vcn.inst[0].ring_dec.sched.ready)
-			++num_rings;
+		for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
+			if (adev->vcn.inst[i].ring_dec.sched.ready)
+				++num_rings;
+		}
 		ib_start_alignment = 16;
 		ib_size_alignment = 16;
 		break;
 	case AMDGPU_HW_IP_VCN_ENC:
 		type = AMD_IP_BLOCK_TYPE_VCN;
-		for (i = 0; i < adev->vcn.num_enc_rings; i++)
-			if (adev->vcn.inst[0].ring_enc[i].sched.ready)
-				++num_rings;
+		for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
+			for (j = 0; j < adev->vcn.num_enc_rings; j++)
+				if (adev->vcn.inst[i].ring_enc[j].sched.ready)
+					++num_rings;
+		}
 		ib_start_alignment = 64;
 		ib_size_alignment = 1;
 		break;
 	case AMDGPU_HW_IP_VCN_JPEG:
 		type = AMD_IP_BLOCK_TYPE_VCN;
-		if (adev->vcn.inst[0].ring_jpeg.sched.ready)
-			++num_rings;
+		for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
+			if (adev->vcn.inst[i].ring_jpeg.sched.ready)
+				++num_rings;
+		}
 		ib_start_alignment = 16;
 		ib_size_alignment = 16;
 		break;

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

@@ -65,7 +65,7 @@ int amdgpu_vcn_sw_init(struct amdgpu_device *adev)
 	const char *fw_name;
 	const struct common_firmware_header *hdr;
 	unsigned char fw_check;
-	int r;
+	int i, r;
 
 	INIT_DELAYED_WORK(&adev->vcn.idle_work, amdgpu_vcn_idle_work_handler);
 
@@ -146,12 +146,15 @@ int amdgpu_vcn_sw_init(struct amdgpu_device *adev)
 	bo_size = AMDGPU_VCN_STACK_SIZE + AMDGPU_VCN_CONTEXT_SIZE;
 	if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP)
 		bo_size += AMDGPU_GPU_PAGE_ALIGN(le32_to_cpu(hdr->ucode_size_bytes) + 8);
-	r = amdgpu_bo_create_kernel(adev, bo_size, PAGE_SIZE,
-				    AMDGPU_GEM_DOMAIN_VRAM, &adev->vcn.inst[0].vcpu_bo,
-				    &adev->vcn.inst[0].gpu_addr, &adev->vcn.inst[0].cpu_addr);
-	if (r) {
-		dev_err(adev->dev, "(%d) failed to allocate vcn bo\n", r);
-		return r;
+
+	for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
+		r = amdgpu_bo_create_kernel(adev, bo_size, PAGE_SIZE,
+						AMDGPU_GEM_DOMAIN_VRAM, &adev->vcn.inst[i].vcpu_bo,
+						&adev->vcn.inst[i].gpu_addr, &adev->vcn.inst[i].cpu_addr);
+		if (r) {
+			dev_err(adev->dev, "(%d) failed to allocate vcn bo\n", r);
+			return r;
+		}
 	}
 
 	if (adev->vcn.indirect_sram) {
@@ -169,26 +172,28 @@ int amdgpu_vcn_sw_init(struct amdgpu_device *adev)
 
 int amdgpu_vcn_sw_fini(struct amdgpu_device *adev)
 {
-	int i;
-
-	kvfree(adev->vcn.inst[0].saved_bo);
+	int i, j;
 
 	if (adev->vcn.indirect_sram) {
 		amdgpu_bo_free_kernel(&adev->vcn.dpg_sram_bo,
-			      &adev->vcn.dpg_sram_gpu_addr,
-			      (void **)&adev->vcn.dpg_sram_cpu_addr);
+				      &adev->vcn.dpg_sram_gpu_addr,
+				      (void **)&adev->vcn.dpg_sram_cpu_addr);
 	}
 
-	amdgpu_bo_free_kernel(&adev->vcn.inst[0].vcpu_bo,
-			      &adev->vcn.inst[0].gpu_addr,
-			      (void **)&adev->vcn.inst[0].cpu_addr);
+	for (j = 0; j < adev->vcn.num_vcn_inst; ++j) {
+		kvfree(adev->vcn.inst[j].saved_bo);
 
-	amdgpu_ring_fini(&adev->vcn.inst[0].ring_dec);
+		amdgpu_bo_free_kernel(&adev->vcn.inst[j].vcpu_bo,
+					  &adev->vcn.inst[j].gpu_addr,
+					  (void **)&adev->vcn.inst[j].cpu_addr);
 
-	for (i = 0; i < adev->vcn.num_enc_rings; ++i)
-		amdgpu_ring_fini(&adev->vcn.inst[0].ring_enc[i]);
+		amdgpu_ring_fini(&adev->vcn.inst[j].ring_dec);
 
-	amdgpu_ring_fini(&adev->vcn.inst[0].ring_jpeg);
+		for (i = 0; i < adev->vcn.num_enc_rings; ++i)
+			amdgpu_ring_fini(&adev->vcn.inst[j].ring_enc[i]);
+
+		amdgpu_ring_fini(&adev->vcn.inst[j].ring_jpeg);
+	}
 
 	release_firmware(adev->vcn.fw);
 
@@ -199,21 +204,23 @@ int amdgpu_vcn_suspend(struct amdgpu_device *adev)
 {
 	unsigned size;
 	void *ptr;
+	int i;
 
 	cancel_delayed_work_sync(&adev->vcn.idle_work);
 
-	if (adev->vcn.inst[0].vcpu_bo == NULL)
-		return 0;
+	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
+		if (adev->vcn.inst[i].vcpu_bo == NULL)
+			return 0;
 
-	size = amdgpu_bo_size(adev->vcn.inst[0].vcpu_bo);
-	ptr = adev->vcn.inst[0].cpu_addr;
+		size = amdgpu_bo_size(adev->vcn.inst[i].vcpu_bo);
+		ptr = adev->vcn.inst[i].cpu_addr;
 
-	adev->vcn.inst[0].saved_bo = kvmalloc(size, GFP_KERNEL);
-	if (!adev->vcn.inst[0].saved_bo)
-		return -ENOMEM;
-
-	memcpy_fromio(adev->vcn.inst[0].saved_bo, ptr, size);
+		adev->vcn.inst[i].saved_bo = kvmalloc(size, GFP_KERNEL);
+		if (!adev->vcn.inst[i].saved_bo)
+			return -ENOMEM;
 
+		memcpy_fromio(adev->vcn.inst[i].saved_bo, ptr, size);
+	}
 	return 0;
 }
 
@@ -221,32 +228,34 @@ int amdgpu_vcn_resume(struct amdgpu_device *adev)
 {
 	unsigned size;
 	void *ptr;
+	int i;
 
-	if (adev->vcn.inst[0].vcpu_bo == NULL)
-		return -EINVAL;
-
-	size = amdgpu_bo_size(adev->vcn.inst[0].vcpu_bo);
-	ptr = adev->vcn.inst[0].cpu_addr;
-
-	if (adev->vcn.inst[0].saved_bo != NULL) {
-		memcpy_toio(ptr, adev->vcn.inst[0].saved_bo, size);
-		kvfree(adev->vcn.inst[0].saved_bo);
-		adev->vcn.inst[0].saved_bo = NULL;
-	} else {
-		const struct common_firmware_header *hdr;
-		unsigned offset;
-
-		hdr = (const struct common_firmware_header *)adev->vcn.fw->data;
-		if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
-			offset = le32_to_cpu(hdr->ucode_array_offset_bytes);
-			memcpy_toio(adev->vcn.inst[0].cpu_addr, adev->vcn.fw->data + offset,
-				    le32_to_cpu(hdr->ucode_size_bytes));
-			size -= le32_to_cpu(hdr->ucode_size_bytes);
-			ptr += le32_to_cpu(hdr->ucode_size_bytes);
+	for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
+		if (adev->vcn.inst[i].vcpu_bo == NULL)
+			return -EINVAL;
+
+		size = amdgpu_bo_size(adev->vcn.inst[i].vcpu_bo);
+		ptr = adev->vcn.inst[i].cpu_addr;
+
+		if (adev->vcn.inst[i].saved_bo != NULL) {
+			memcpy_toio(ptr, adev->vcn.inst[i].saved_bo, size);
+			kvfree(adev->vcn.inst[i].saved_bo);
+			adev->vcn.inst[i].saved_bo = NULL;
+		} else {
+			const struct common_firmware_header *hdr;
+			unsigned offset;
+
+			hdr = (const struct common_firmware_header *)adev->vcn.fw->data;
+			if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
+				offset = le32_to_cpu(hdr->ucode_array_offset_bytes);
+				memcpy_toio(adev->vcn.inst[i].cpu_addr, adev->vcn.fw->data + offset,
+					    le32_to_cpu(hdr->ucode_size_bytes));
+				size -= le32_to_cpu(hdr->ucode_size_bytes);
+				ptr += le32_to_cpu(hdr->ucode_size_bytes);
+			}
+			memset_io(ptr, 0, size);
 		}
-		memset_io(ptr, 0, size);
 	}
-
 	return 0;
 }
 
@@ -254,31 +263,34 @@ static void amdgpu_vcn_idle_work_handler(struct work_struct *work)
 {
 	struct amdgpu_device *adev =
 		container_of(work, struct amdgpu_device, vcn.idle_work.work);
-	unsigned int fences = 0;
-	unsigned int i;
+	unsigned int fences = 0, fence[AMDGPU_MAX_VCN_INSTANCES] = {0};
+	unsigned int i, j;
 
-	for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
-		fences += amdgpu_fence_count_emitted(&adev->vcn.inst[0].ring_enc[i]);
-	}
+	for (j = 0; j < adev->vcn.num_vcn_inst; ++j) {
+		for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
+			fence[j] += amdgpu_fence_count_emitted(&adev->vcn.inst[j].ring_enc[i]);
+		}
 
-	if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)	{
-		struct dpg_pause_state new_state;
+		if (adev->pg_flags & AMD_PG_SUPPORT_VCN_DPG)	{
+			struct dpg_pause_state new_state;
 
-		if (fences)
-			new_state.fw_based = VCN_DPG_STATE__PAUSE;
-		else
-			new_state.fw_based = VCN_DPG_STATE__UNPAUSE;
+			if (fence[j])
+				new_state.fw_based = VCN_DPG_STATE__PAUSE;
+			else
+				new_state.fw_based = VCN_DPG_STATE__UNPAUSE;
 
-		if (amdgpu_fence_count_emitted(&adev->vcn.inst[0].ring_jpeg))
-			new_state.jpeg = VCN_DPG_STATE__PAUSE;
-		else
-			new_state.jpeg = VCN_DPG_STATE__UNPAUSE;
+			if (amdgpu_fence_count_emitted(&adev->vcn.inst[j].ring_jpeg))
+				new_state.jpeg = VCN_DPG_STATE__PAUSE;
+			else
+				new_state.jpeg = VCN_DPG_STATE__UNPAUSE;
 
-		adev->vcn.pause_dpg_mode(adev, &new_state);
-	}
+			adev->vcn.pause_dpg_mode(adev, &new_state);
+		}
 
-	fences += amdgpu_fence_count_emitted(&adev->vcn.inst[0].ring_jpeg);
-	fences += amdgpu_fence_count_emitted(&adev->vcn.inst[0].ring_dec);
+		fence[j] += amdgpu_fence_count_emitted(&adev->vcn.inst[j].ring_jpeg);
+		fence[j] += amdgpu_fence_count_emitted(&adev->vcn.inst[j].ring_dec);
+		fences += fence[j];
+	}
 
 	if (fences == 0) {
 		amdgpu_gfx_off_ctrl(adev, true);
@@ -312,14 +324,14 @@ void amdgpu_vcn_ring_begin_use(struct amdgpu_ring *ring)
 		unsigned int i;
 
 		for (i = 0; i < adev->vcn.num_enc_rings; ++i) {
-			fences += amdgpu_fence_count_emitted(&adev->vcn.inst[0].ring_enc[i]);
+			fences += amdgpu_fence_count_emitted(&adev->vcn.inst[ring->me].ring_enc[i]);
 		}
 		if (fences)
 			new_state.fw_based = VCN_DPG_STATE__PAUSE;
 		else
 			new_state.fw_based = VCN_DPG_STATE__UNPAUSE;
 
-		if (amdgpu_fence_count_emitted(&adev->vcn.inst[0].ring_jpeg))
+		if (amdgpu_fence_count_emitted(&adev->vcn.inst[ring->me].ring_jpeg))
 			new_state.jpeg = VCN_DPG_STATE__PAUSE;
 		else
 			new_state.jpeg = VCN_DPG_STATE__UNPAUSE;
@@ -345,7 +357,7 @@ int amdgpu_vcn_dec_ring_test_ring(struct amdgpu_ring *ring)
 	unsigned i;
 	int r;
 
-	WREG32(adev->vcn.inst[0].external.scratch9, 0xCAFEDEAD);
+	WREG32(adev->vcn.inst[ring->me].external.scratch9, 0xCAFEDEAD);
 	r = amdgpu_ring_alloc(ring, 3);
 	if (r)
 		return r;
@@ -353,7 +365,7 @@ int amdgpu_vcn_dec_ring_test_ring(struct amdgpu_ring *ring)
 	amdgpu_ring_write(ring, 0xDEADBEEF);
 	amdgpu_ring_commit(ring);
 	for (i = 0; i < adev->usec_timeout; i++) {
-		tmp = RREG32(adev->vcn.inst[0].external.scratch9);
+		tmp = RREG32(adev->vcn.inst[ring->me].external.scratch9);
 		if (tmp == 0xDEADBEEF)
 			break;
 		udelay(1);
@@ -664,7 +676,7 @@ int amdgpu_vcn_jpeg_ring_test_ring(struct amdgpu_ring *ring)
 	unsigned i;
 	int r;
 
-	WREG32(adev->vcn.inst[0].external.jpeg_pitch, 0xCAFEDEAD);
+	WREG32(adev->vcn.inst[ring->me].external.jpeg_pitch, 0xCAFEDEAD);
 	r = amdgpu_ring_alloc(ring, 3);
 	if (r)
 		return r;
@@ -674,7 +686,7 @@ int amdgpu_vcn_jpeg_ring_test_ring(struct amdgpu_ring *ring)
 	amdgpu_ring_commit(ring);
 
 	for (i = 0; i < adev->usec_timeout; i++) {
-		tmp = RREG32(adev->vcn.inst[0].external.jpeg_pitch);
+		tmp = RREG32(adev->vcn.inst[ring->me].external.jpeg_pitch);
 		if (tmp == 0xDEADBEEF)
 			break;
 		udelay(1);
@@ -748,7 +760,7 @@ int amdgpu_vcn_jpeg_ring_test_ib(struct amdgpu_ring *ring, long timeout)
 	}
 
 	for (i = 0; i < adev->usec_timeout; i++) {
-		tmp = RREG32(adev->vcn.inst[0].external.jpeg_pitch);
+		tmp = RREG32(adev->vcn.inst[ring->me].external.jpeg_pitch);
 		if (tmp == 0xDEADBEEF)
 			break;
 		udelay(1);