From ddfefb389caecee9d2d02b6f7dd5de7f782d7ef1 Mon Sep 17 00:00:00 2001
From: Likun Gao <Likun.Gao@amd.com>
Date: Thu, 22 Sep 2022 14:37:52 +0800
Subject: drm/amdgpu/sdma4: use common function to init sdma fw
Git-commit: a2d3b4b81fd49b14782ce0ff68ca74e40f16609a
Patch-mainline: v6.1-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225 jsc#PED-2849

Use common function to init sdma v4 firmware ucode.

Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
 drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c | 107 +++++--------------------
 1 file changed, 19 insertions(+), 88 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
index 7fe8bf3417db..631a5b5828d8 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
@@ -561,44 +561,6 @@ static void sdma_v4_0_setup_ulv(struct amdgpu_device *adev)
 	}
 }
 
-static int sdma_v4_0_init_inst_ctx(struct amdgpu_sdma_instance *sdma_inst)
-{
-	int err = 0;
-	const struct sdma_firmware_header_v1_0 *hdr;
-
-	err = amdgpu_ucode_validate(sdma_inst->fw);
-	if (err)
-		return err;
-
-	hdr = (const struct sdma_firmware_header_v1_0 *)sdma_inst->fw->data;
-	sdma_inst->fw_version = le32_to_cpu(hdr->header.ucode_version);
-	sdma_inst->feature_version = le32_to_cpu(hdr->ucode_feature_version);
-
-	if (sdma_inst->feature_version >= 20)
-		sdma_inst->burst_nop = true;
-
-	return 0;
-}
-
-static void sdma_v4_0_destroy_inst_ctx(struct amdgpu_device *adev)
-{
-	int i;
-
-	for (i = 0; i < adev->sdma.num_instances; i++) {
-		release_firmware(adev->sdma.instance[i].fw);
-		adev->sdma.instance[i].fw = NULL;
-
-		/* arcturus shares the same FW memory across
-		   all SDMA isntances */
-		if (adev->ip_versions[SDMA0_HWIP][0] == IP_VERSION(4, 2, 2) ||
-		    adev->ip_versions[SDMA0_HWIP][0] == IP_VERSION(4, 4, 0))
-			break;
-	}
-
-	memset((void *)adev->sdma.instance, 0,
-		sizeof(struct amdgpu_sdma_instance) * AMDGPU_MAX_SDMA_INSTANCES);
-}
-
 /**
  * sdma_v4_0_init_microcode - load ucode images from disk
  *
@@ -615,9 +577,7 @@ static int sdma_v4_0_init_microcode(struct amdgpu_device *adev)
 {
 	const char *chip_name;
 	char fw_name[30];
-	int err = 0, i;
-	struct amdgpu_firmware_info *info = NULL;
-	const struct common_firmware_header *header = NULL;
+	int ret, i;
 
 	DRM_DEBUG("\n");
 
@@ -656,58 +616,25 @@ static int sdma_v4_0_init_microcode(struct amdgpu_device *adev)
 		BUG();
 	}
 
-	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_sdma.bin", chip_name);
-
-	err = request_firmware(&adev->sdma.instance[0].fw, fw_name, adev->dev);
-	if (err)
-		goto out;
-
-	err = sdma_v4_0_init_inst_ctx(&adev->sdma.instance[0]);
-	if (err)
-		goto out;
-
-	for (i = 1; i < adev->sdma.num_instances; i++) {
-		if (adev->ip_versions[SDMA0_HWIP][0] == IP_VERSION(4, 2, 2) ||
+	for (i = 0; i < adev->sdma.num_instances; i++) {
+		if (i == 0)
+			snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_sdma.bin", chip_name);
+		else
+			snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_sdma%d.bin", chip_name, i);
+		if (adev->ip_versions[SDMA0_HWIP][0] == IP_VERSION(4, 2, 0) ||
                     adev->ip_versions[SDMA0_HWIP][0] == IP_VERSION(4, 4, 0)) {
 			/* Acturus & Aldebaran will leverage the same FW memory
 			   for every SDMA instance */
-			memcpy((void *)&adev->sdma.instance[i],
-			       (void *)&adev->sdma.instance[0],
-			       sizeof(struct amdgpu_sdma_instance));
-		}
-		else {
-			snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_sdma%d.bin", chip_name, i);
-
-			err = request_firmware(&adev->sdma.instance[i].fw, fw_name, adev->dev);
-			if (err)
-				goto out;
-
-			err = sdma_v4_0_init_inst_ctx(&adev->sdma.instance[i]);
-			if (err)
-				goto out;
-		}
-	}
-
-	DRM_DEBUG("psp_load == '%s'\n",
-		adev->firmware.load_type == AMDGPU_FW_LOAD_PSP ? "true" : "false");
-
-	if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
-		for (i = 0; i < adev->sdma.num_instances; i++) {
-			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);
+			ret = amdgpu_sdma_init_microcode(adev, fw_name, 0, true);
+			break;
+		} else {
+			ret = amdgpu_sdma_init_microcode(adev, fw_name, i, false);
+			if (ret)
+				return ret;
 		}
 	}
 
-out:
-	if (err) {
-		DRM_ERROR("sdma_v4_0: Failed to load firmware \"%s\"\n", fw_name);
-		sdma_v4_0_destroy_inst_ctx(adev);
-	}
-	return err;
+	return ret;
 }
 
 /**
@@ -2000,7 +1927,11 @@ static int sdma_v4_0_sw_fini(void *handle)
 			amdgpu_ring_fini(&adev->sdma.instance[i].page);
 	}
 
-	sdma_v4_0_destroy_inst_ctx(adev);
+	if (adev->ip_versions[SDMA0_HWIP][0] == IP_VERSION(4, 2, 0) ||
+            adev->ip_versions[SDMA0_HWIP][0] == IP_VERSION(4, 4, 0))
+		amdgpu_sdma_destroy_inst_ctx(adev, true);
+	else
+		amdgpu_sdma_destroy_inst_ctx(adev, false);
 
 	return 0;
 }
-- 
2.38.1