drm/amdgpu: Remove FW_LOAD_DIRECT type support on VI

AMDGPU_FW_LOAD_DIRECT is used for bring up.
Now it don't work any more. so remove the support.

v2: Add warning message if user select
   AMDGPU_FW_LOAD_DIRECT/AMDGPU_FW_LOAD_PSP on VI.
Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -297,9 +297,8 @@ amdgpu_ucode_get_load_type(struct amdgpu_device *adev, int load_type)
 	case CHIP_POLARIS11:
 	case CHIP_POLARIS12:
 	case CHIP_VEGAM:
-		if (!load_type)
-			return AMDGPU_FW_LOAD_DIRECT;
-		else
+		if (load_type != AMDGPU_FW_LOAD_SMU)
+			pr_warning("%d is not supported on VI\n", load_type);
 		return AMDGPU_FW_LOAD_SMU;
 	case CHIP_VEGA10:
 	case CHIP_RAVEN:

drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c

@@ -1173,7 +1173,6 @@ static int gfx_v8_0_init_microcode(struct amdgpu_device *adev)
 		}
 	}
 
-	if (adev->firmware.load_type == AMDGPU_FW_LOAD_SMU) {
 	info = &adev->firmware.ucode[AMDGPU_UCODE_ID_CP_PFP];
 	info->ucode_id = AMDGPU_UCODE_ID_CP_PFP;
 	info->fw = adev->gfx.pfp_fw;
@@ -1231,8 +1230,6 @@ static int gfx_v8_0_init_microcode(struct amdgpu_device *adev)
 			ALIGN(le32_to_cpu(header->ucode_size_bytes), PAGE_SIZE);
 	}
 
-	}
-
 out:
 	if (err) {
 		dev_err(adev->dev,
@@ -4176,45 +4173,11 @@ static void gfx_v8_0_rlc_start(struct amdgpu_device *adev)
 	udelay(50);
 }
 
-static int gfx_v8_0_rlc_load_microcode(struct amdgpu_device *adev)
-{
-	const struct rlc_firmware_header_v2_0 *hdr;
-	const __le32 *fw_data;
-	unsigned i, fw_size;
-
-	if (!adev->gfx.rlc_fw)
-		return -EINVAL;
-
-	hdr = (const struct rlc_firmware_header_v2_0 *)adev->gfx.rlc_fw->data;
-	amdgpu_ucode_print_rlc_hdr(&hdr->header);
-
-	fw_data = (const __le32 *)(adev->gfx.rlc_fw->data +
-			   le32_to_cpu(hdr->header.ucode_array_offset_bytes));
-	fw_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4;
-
-	WREG32(mmRLC_GPM_UCODE_ADDR, 0);
-	for (i = 0; i < fw_size; i++)
-		WREG32(mmRLC_GPM_UCODE_DATA, le32_to_cpup(fw_data++));
-	WREG32(mmRLC_GPM_UCODE_ADDR, adev->gfx.rlc_fw_version);
-
-	return 0;
-}
-
 static int gfx_v8_0_rlc_resume(struct amdgpu_device *adev)
 {
-	int r;
-
 	gfx_v8_0_rlc_stop(adev);
 	gfx_v8_0_rlc_reset(adev);
 	gfx_v8_0_init_pg(adev);
-
-	if (adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT) {
-		/* legacy rlc firmware loading */
-		r = gfx_v8_0_rlc_load_microcode(adev);
-		if (r)
-			return r;
-	}
-
 	gfx_v8_0_rlc_start(adev);
 
 	return 0;
@@ -4240,63 +4203,6 @@ static void gfx_v8_0_cp_gfx_enable(struct amdgpu_device *adev, bool enable)
 	udelay(50);
 }
 
-static int gfx_v8_0_cp_gfx_load_microcode(struct amdgpu_device *adev)
-{
-	const struct gfx_firmware_header_v1_0 *pfp_hdr;
-	const struct gfx_firmware_header_v1_0 *ce_hdr;
-	const struct gfx_firmware_header_v1_0 *me_hdr;
-	const __le32 *fw_data;
-	unsigned i, fw_size;
-
-	if (!adev->gfx.me_fw || !adev->gfx.pfp_fw || !adev->gfx.ce_fw)
-		return -EINVAL;
-
-	pfp_hdr = (const struct gfx_firmware_header_v1_0 *)
-		adev->gfx.pfp_fw->data;
-	ce_hdr = (const struct gfx_firmware_header_v1_0 *)
-		adev->gfx.ce_fw->data;
-	me_hdr = (const struct gfx_firmware_header_v1_0 *)
-		adev->gfx.me_fw->data;
-
-	amdgpu_ucode_print_gfx_hdr(&pfp_hdr->header);
-	amdgpu_ucode_print_gfx_hdr(&ce_hdr->header);
-	amdgpu_ucode_print_gfx_hdr(&me_hdr->header);
-
-	gfx_v8_0_cp_gfx_enable(adev, false);
-
-	/* PFP */
-	fw_data = (const __le32 *)
-		(adev->gfx.pfp_fw->data +
-		 le32_to_cpu(pfp_hdr->header.ucode_array_offset_bytes));
-	fw_size = le32_to_cpu(pfp_hdr->header.ucode_size_bytes) / 4;
-	WREG32(mmCP_PFP_UCODE_ADDR, 0);
-	for (i = 0; i < fw_size; i++)
-		WREG32(mmCP_PFP_UCODE_DATA, le32_to_cpup(fw_data++));
-	WREG32(mmCP_PFP_UCODE_ADDR, adev->gfx.pfp_fw_version);
-
-	/* CE */
-	fw_data = (const __le32 *)
-		(adev->gfx.ce_fw->data +
-		 le32_to_cpu(ce_hdr->header.ucode_array_offset_bytes));
-	fw_size = le32_to_cpu(ce_hdr->header.ucode_size_bytes) / 4;
-	WREG32(mmCP_CE_UCODE_ADDR, 0);
-	for (i = 0; i < fw_size; i++)
-		WREG32(mmCP_CE_UCODE_DATA, le32_to_cpup(fw_data++));
-	WREG32(mmCP_CE_UCODE_ADDR, adev->gfx.ce_fw_version);
-
-	/* ME */
-	fw_data = (const __le32 *)
-		(adev->gfx.me_fw->data +
-		 le32_to_cpu(me_hdr->header.ucode_array_offset_bytes));
-	fw_size = le32_to_cpu(me_hdr->header.ucode_size_bytes) / 4;
-	WREG32(mmCP_ME_RAM_WADDR, 0);
-	for (i = 0; i < fw_size; i++)
-		WREG32(mmCP_ME_RAM_DATA, le32_to_cpup(fw_data++));
-	WREG32(mmCP_ME_RAM_WADDR, adev->gfx.me_fw_version);
-
-	return 0;
-}
-
 static u32 gfx_v8_0_get_csb_size(struct amdgpu_device *adev)
 {
 	u32 count = 0;
@@ -4496,52 +4402,6 @@ static void gfx_v8_0_cp_compute_enable(struct amdgpu_device *adev, bool enable)
 	udelay(50);
 }
 
-static int gfx_v8_0_cp_compute_load_microcode(struct amdgpu_device *adev)
-{
-	const struct gfx_firmware_header_v1_0 *mec_hdr;
-	const __le32 *fw_data;
-	unsigned i, fw_size;
-
-	if (!adev->gfx.mec_fw)
-		return -EINVAL;
-
-	gfx_v8_0_cp_compute_enable(adev, false);
-
-	mec_hdr = (const struct gfx_firmware_header_v1_0 *)adev->gfx.mec_fw->data;
-	amdgpu_ucode_print_gfx_hdr(&mec_hdr->header);
-
-	fw_data = (const __le32 *)
-		(adev->gfx.mec_fw->data +
-		 le32_to_cpu(mec_hdr->header.ucode_array_offset_bytes));
-	fw_size = le32_to_cpu(mec_hdr->header.ucode_size_bytes) / 4;
-
-	/* MEC1 */
-	WREG32(mmCP_MEC_ME1_UCODE_ADDR, 0);
-	for (i = 0; i < fw_size; i++)
-		WREG32(mmCP_MEC_ME1_UCODE_DATA, le32_to_cpup(fw_data+i));
-	WREG32(mmCP_MEC_ME1_UCODE_ADDR, adev->gfx.mec_fw_version);
-
-	/* Loading MEC2 firmware is only necessary if MEC2 should run different microcode than MEC1. */
-	if (adev->gfx.mec2_fw) {
-		const struct gfx_firmware_header_v1_0 *mec2_hdr;
-
-		mec2_hdr = (const struct gfx_firmware_header_v1_0 *)adev->gfx.mec2_fw->data;
-		amdgpu_ucode_print_gfx_hdr(&mec2_hdr->header);
-
-		fw_data = (const __le32 *)
-			(adev->gfx.mec2_fw->data +
-			 le32_to_cpu(mec2_hdr->header.ucode_array_offset_bytes));
-		fw_size = le32_to_cpu(mec2_hdr->header.ucode_size_bytes) / 4;
-
-		WREG32(mmCP_MEC_ME2_UCODE_ADDR, 0);
-		for (i = 0; i < fw_size; i++)
-			WREG32(mmCP_MEC_ME2_UCODE_DATA, le32_to_cpup(fw_data+i));
-		WREG32(mmCP_MEC_ME2_UCODE_ADDR, adev->gfx.mec2_fw_version);
-	}
-
-	return 0;
-}
-
 /* KIQ functions */
 static void gfx_v8_0_kiq_setting(struct amdgpu_ring *ring)
 {
@@ -4975,17 +4835,6 @@ static int gfx_v8_0_cp_resume(struct amdgpu_device *adev)
 	if (!(adev->flags & AMD_IS_APU))
 		gfx_v8_0_enable_gui_idle_interrupt(adev, false);
 
-	if (adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT) {
-			/* legacy firmware loading */
-		r = gfx_v8_0_cp_gfx_load_microcode(adev);
-		if (r)
-			return r;
-
-		r = gfx_v8_0_cp_compute_load_microcode(adev);
-		if (r)
-			return r;
-	}
-
 	r = gfx_v8_0_kiq_resume(adev);
 	if (r)
 		return r;

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

@@ -318,14 +318,13 @@ static int sdma_v3_0_init_microcode(struct amdgpu_device *adev)
 		if (adev->sdma.instance[i].feature_version >= 20)
 			adev->sdma.instance[i].burst_nop = true;
 
-		if (adev->firmware.load_type == AMDGPU_FW_LOAD_SMU) {
 		info = &adev->firmware.ucode[AMDGPU_UCODE_ID_SDMA0 + i];
 		info->ucode_id = AMDGPU_UCODE_ID_SDMA0 + i;
 		info->fw = adev->sdma.instance[i].fw;
 		header = (const struct common_firmware_header *)info->fw->data;
 		adev->firmware.fw_size +=
 			ALIGN(le32_to_cpu(header->ucode_size_bytes), PAGE_SIZE);
-		}
+
 	}
 out:
 	if (err) {
@@ -777,42 +776,6 @@ static int sdma_v3_0_rlc_resume(struct amdgpu_device *adev)
 	return 0;
 }
 
-/**
- * sdma_v3_0_load_microcode - load the sDMA ME ucode
- *
- * @adev: amdgpu_device pointer
- *
- * Loads the sDMA0/1 ucode.
- * Returns 0 for success, -EINVAL if the ucode is not available.
- */
-static int sdma_v3_0_load_microcode(struct amdgpu_device *adev)
-{
-	const struct sdma_firmware_header_v1_0 *hdr;
-	const __le32 *fw_data;
-	u32 fw_size;
-	int i, j;
-
-	/* halt the MEs */
-	sdma_v3_0_enable(adev, false);
-
-	for (i = 0; i < adev->sdma.num_instances; i++) {
-		if (!adev->sdma.instance[i].fw)
-			return -EINVAL;
-		hdr = (const struct sdma_firmware_header_v1_0 *)adev->sdma.instance[i].fw->data;
-		amdgpu_ucode_print_sdma_hdr(&hdr->header);
-		fw_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4;
-		fw_data = (const __le32 *)
-			(adev->sdma.instance[i].fw->data +
-				le32_to_cpu(hdr->header.ucode_array_offset_bytes));
-		WREG32(mmSDMA0_UCODE_ADDR + sdma_offsets[i], 0);
-		for (j = 0; j < fw_size; j++)
-			WREG32(mmSDMA0_UCODE_DATA + sdma_offsets[i], le32_to_cpup(fw_data++));
-		WREG32(mmSDMA0_UCODE_ADDR + sdma_offsets[i], adev->sdma.instance[i].fw_version);
-	}
-
-	return 0;
-}
-
 /**
  * sdma_v3_0_start - setup and start the async dma engines
  *
@@ -825,12 +788,6 @@ static int sdma_v3_0_start(struct amdgpu_device *adev)
 {
 	int r;
 
-	if (adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT) {
-		r = sdma_v3_0_load_microcode(adev);
-		if (r)
-			return r;
-	}
-
 	/* disable sdma engine before programing it */
 	sdma_v3_0_ctx_switch_enable(adev, false);
 	sdma_v3_0_enable(adev, false);