drm/amd: Convert SDMA to use `amdgpu_ucode_ip_version_decode`

Simplifies the code so that all SDMA versions will get the firmware
name from `amdgpu_ucode_ip_version_decode`.

v2: squash in fix from Srinivasan
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -200,15 +200,21 @@ void amdgpu_sdma_destroy_inst_ctx(struct amdgpu_device *adev,
 }
 
 int amdgpu_sdma_init_microcode(struct amdgpu_device *adev,
-			       char *fw_name, u32 instance,
-			       bool duplicate)
+			       u32 instance, bool duplicate)
 {
 	struct amdgpu_firmware_info *info = NULL;
 	const struct common_firmware_header *header = NULL;
-	int err = 0, i;
+	int err, i;
 	const struct sdma_firmware_header_v2_0 *sdma_hdr;
 	uint16_t version_major;
-
+	char ucode_prefix[30];
+	char fw_name[40];
+
+	amdgpu_ucode_ip_version_decode(adev, SDMA0_HWIP, ucode_prefix, sizeof(ucode_prefix));
+	if (instance == 0)
+		snprintf(fw_name, sizeof(fw_name), "amdgpu/%s.bin", ucode_prefix);
+	else
+		snprintf(fw_name, sizeof(fw_name), "amdgpu/%s%d.bin", ucode_prefix, instance);
 	err = amdgpu_ucode_request(adev, &adev->sdma.instance[instance].fw, fw_name);
 	if (err)
 		goto out;

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

@@ -124,8 +124,8 @@ int amdgpu_sdma_process_ras_data_cb(struct amdgpu_device *adev,
 int amdgpu_sdma_process_ecc_irq(struct amdgpu_device *adev,
 				      struct amdgpu_irq_src *source,
 				      struct amdgpu_iv_entry *entry);
-int amdgpu_sdma_init_microcode(struct amdgpu_device *adev,
-        char *fw_name, u32 instance, bool duplicate);
+int amdgpu_sdma_init_microcode(struct amdgpu_device *adev, u32 instance,
+			       bool duplicate);
 void amdgpu_sdma_destroy_inst_ctx(struct amdgpu_device *adev,
         bool duplicate);
 void amdgpu_sdma_unset_buffer_funcs_helper(struct amdgpu_device *adev);

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

@@ -575,60 +575,17 @@ static void sdma_v4_0_setup_ulv(struct amdgpu_device *adev)
 // vega10 real chip need to use PSP to load firmware
 static int sdma_v4_0_init_microcode(struct amdgpu_device *adev)
 {
-	const char *chip_name;
-	char fw_name[30];
 	int ret, i;
 
-	DRM_DEBUG("\n");
-
-	switch (adev->ip_versions[SDMA0_HWIP][0]) {
-	case IP_VERSION(4, 0, 0):
-		chip_name = "vega10";
-		break;
-	case IP_VERSION(4, 0, 1):
-		chip_name = "vega12";
-		break;
-	case IP_VERSION(4, 2, 0):
-		chip_name = "vega20";
-		break;
-	case IP_VERSION(4, 1, 0):
-	case IP_VERSION(4, 1, 1):
-		if (adev->apu_flags & AMD_APU_IS_RAVEN2)
-			chip_name = "raven2";
-		else if (adev->apu_flags & AMD_APU_IS_PICASSO)
-			chip_name = "picasso";
-		else
-			chip_name = "raven";
-		break;
-	case IP_VERSION(4, 2, 2):
-		chip_name = "arcturus";
-		break;
-	case IP_VERSION(4, 1, 2):
-		if (adev->apu_flags & AMD_APU_IS_RENOIR)
-			chip_name = "renoir";
-		else
-			chip_name = "green_sardine";
-		break;
-	case IP_VERSION(4, 4, 0):
-		chip_name = "aldebaran";
-		break;
-	default:
-		BUG();
-	}
-
 	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, 2) ||
                     adev->ip_versions[SDMA0_HWIP][0] == IP_VERSION(4, 4, 0)) {
 			/* Acturus & Aldebaran will leverage the same FW memory
 			   for every SDMA instance */
-			ret = amdgpu_sdma_init_microcode(adev, fw_name, 0, true);
+			ret = amdgpu_sdma_init_microcode(adev, 0, true);
 			break;
 		} else {
-			ret = amdgpu_sdma_init_microcode(adev, fw_name, i, false);
+			ret = amdgpu_sdma_init_microcode(adev, i, false);
 			if (ret)
 				return ret;
 		}

drivers/gpu/drm/amd/amdgpu/sdma_v5_0.c

@@ -237,39 +237,13 @@ static void sdma_v5_0_init_golden_registers(struct amdgpu_device *adev)
 // emulation only, won't work on real chip
 // navi10 real chip need to use PSP to load firmware
 static int sdma_v5_0_init_microcode(struct amdgpu_device *adev)
-{
-	const char *chip_name;
-	char fw_name[40];
-	int ret, i;
+{	int ret, i;
 
 	if (amdgpu_sriov_vf(adev) && (adev->ip_versions[SDMA0_HWIP][0] == IP_VERSION(5, 0, 5)))
 		return 0;
 
-	DRM_DEBUG("\n");
-
-	switch (adev->ip_versions[SDMA0_HWIP][0]) {
-	case IP_VERSION(5, 0, 0):
-		chip_name = "navi10";
-		break;
-	case IP_VERSION(5, 0, 2):
-		chip_name = "navi14";
-		break;
-	case IP_VERSION(5, 0, 5):
-		chip_name = "navi12";
-		break;
-	case IP_VERSION(5, 0, 1):
-		chip_name = "cyan_skillfish2";
-		break;
-	default:
-		BUG();
-	}
-
 	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_sdma1.bin", chip_name);
-		ret = amdgpu_sdma_init_microcode(adev, fw_name, i, false);
+		ret = amdgpu_sdma_init_microcode(adev, i, false);
 		if (ret)
 			return ret;
 	}

drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c

@@ -89,59 +89,6 @@ static u32 sdma_v5_2_get_reg_offset(struct amdgpu_device *adev, u32 instance, u3
 	return base + internal_offset;
 }
 
-/**
- * sdma_v5_2_init_microcode - load ucode images from disk
- *
- * @adev: amdgpu_device pointer
- *
- * Use the firmware interface to load the ucode images into
- * the driver (not loaded into hw).
- * Returns 0 on success, error on failure.
- */
-
-// emulation only, won't work on real chip
-// navi10 real chip need to use PSP to load firmware
-static int sdma_v5_2_init_microcode(struct amdgpu_device *adev)
-{
-	const char *chip_name;
-	char fw_name[40];
-
-	DRM_DEBUG("\n");
-
-	switch (adev->ip_versions[SDMA0_HWIP][0]) {
-	case IP_VERSION(5, 2, 0):
-		chip_name = "sienna_cichlid_sdma";
-		break;
-	case IP_VERSION(5, 2, 2):
-		chip_name = "navy_flounder_sdma";
-		break;
-	case IP_VERSION(5, 2, 1):
-		chip_name = "vangogh_sdma";
-		break;
-	case IP_VERSION(5, 2, 4):
-		chip_name = "dimgrey_cavefish_sdma";
-		break;
-	case IP_VERSION(5, 2, 5):
-		chip_name = "beige_goby_sdma";
-		break;
-	case IP_VERSION(5, 2, 3):
-		chip_name = "yellow_carp_sdma";
-		break;
-	case IP_VERSION(5, 2, 6):
-		chip_name = "sdma_5_2_6";
-		break;
-	case IP_VERSION(5, 2, 7):
-		chip_name = "sdma_5_2_7";
-		break;
-	default:
-		BUG();
-	}
-
-	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s.bin", chip_name);
-
-	return amdgpu_sdma_init_microcode(adev, fw_name, 0, true);
-}
-
 static unsigned sdma_v5_2_ring_init_cond_exec(struct amdgpu_ring *ring)
 {
 	unsigned ret;
@@ -1288,7 +1235,7 @@ static int sdma_v5_2_sw_init(void *handle)
 			return r;
 	}
 
-	r = sdma_v5_2_init_microcode(adev);
+	r = amdgpu_sdma_init_microcode(adev, 0, true);
 	if (r) {
 		DRM_ERROR("Failed to load sdma firmware!\n");
 		return r;

drivers/gpu/drm/amd/amdgpu/sdma_v6_0.c

@@ -78,29 +78,6 @@ static u32 sdma_v6_0_get_reg_offset(struct amdgpu_device *adev, u32 instance, u3
 	return base + internal_offset;
 }
 
-/**
- * sdma_v6_0_init_microcode - load ucode images from disk
- *
- * @adev: amdgpu_device pointer
- *
- * Use the firmware interface to load the ucode images into
- * the driver (not loaded into hw).
- * Returns 0 on success, error on failure.
- */
-static int sdma_v6_0_init_microcode(struct amdgpu_device *adev)
-{
-	char fw_name[30];
-	char ucode_prefix[30];
-
-	DRM_DEBUG("\n");
-
-	amdgpu_ucode_ip_version_decode(adev, SDMA0_HWIP, ucode_prefix, sizeof(ucode_prefix));
-
-	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s.bin", ucode_prefix);
-
-	return amdgpu_sdma_init_microcode(adev, fw_name, 0, true);
-}
-
 static unsigned sdma_v6_0_ring_init_cond_exec(struct amdgpu_ring *ring)
 {
 	unsigned ret;
@@ -1260,7 +1237,7 @@ static int sdma_v6_0_sw_init(void *handle)
 	if (r)
 		return r;
 
-	r = sdma_v6_0_init_microcode(adev);
+	r = amdgpu_sdma_init_microcode(adev, 0, true);
 	if (r) {
 		DRM_ERROR("Failed to load sdma firmware!\n");
 		return r;