[PATCH 15/18] drm/amdgpu: refine gfx9 firmware loading

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refine gfx9 firmware loading

Signed-off-by: Yang Wang <kevinyang.wang@xxxxxxx>
---
 drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c   | 45 ++++++++++++-------------
 drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c | 11 +++---
 2 files changed, 26 insertions(+), 30 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index ad99ee10fd4a..2929c8972ea7 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -1378,23 +1378,22 @@ static void gfx_v9_0_check_if_need_gfxoff(struct amdgpu_device *adev)
 static int gfx_v9_0_init_cp_gfx_microcode(struct amdgpu_device *adev,
 					  char *chip_name)
 {
-	char fw_name[50];
 	int err;
 
-	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_pfp.bin", chip_name);
-	err = amdgpu_ucode_request(adev, &adev->gfx.pfp_fw, fw_name);
+	err = amdgpu_ucode_request(adev, &adev->gfx.pfp_fw,
+				   "amdgpu/%s_pfp.bin", chip_name);
 	if (err)
 		goto out;
 	amdgpu_gfx_cp_init_microcode(adev, AMDGPU_UCODE_ID_CP_PFP);
 
-	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_me.bin", chip_name);
-	err = amdgpu_ucode_request(adev, &adev->gfx.me_fw, fw_name);
+	err = amdgpu_ucode_request(adev, &adev->gfx.me_fw,
+				   "amdgpu/%s_me.bin", chip_name);
 	if (err)
 		goto out;
 	amdgpu_gfx_cp_init_microcode(adev, AMDGPU_UCODE_ID_CP_ME);
 
-	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_ce.bin", chip_name);
-	err = amdgpu_ucode_request(adev, &adev->gfx.ce_fw, fw_name);
+	err = amdgpu_ucode_request(adev, &adev->gfx.ce_fw,
+				   "amdgpu/%s_ce.bin", chip_name);
 	if (err)
 		goto out;
 	amdgpu_gfx_cp_init_microcode(adev, AMDGPU_UCODE_ID_CP_CE);
@@ -1411,7 +1410,6 @@ static int gfx_v9_0_init_cp_gfx_microcode(struct amdgpu_device *adev,
 static int gfx_v9_0_init_rlc_microcode(struct amdgpu_device *adev,
 				       char *chip_name)
 {
-	char fw_name[53];
 	int err;
 	const struct rlc_firmware_header_v2_0 *rlc_hdr;
 	uint16_t version_major;
@@ -1429,20 +1427,22 @@ static int gfx_v9_0_init_rlc_microcode(struct amdgpu_device *adev,
 	if (!strcmp(chip_name, "picasso") &&
 		(((adev->pdev->revision >= 0xC8) && (adev->pdev->revision <= 0xCF)) ||
 		((adev->pdev->revision >= 0xD8) && (adev->pdev->revision <= 0xDF))))
-		snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_rlc_am4.bin", chip_name);
+		err = amdgpu_ucode_request(adev, &adev->gfx.rlc_fw,
+					   "amdgpu/%s_rlc_am4.bin", chip_name);
 	else if (!strcmp(chip_name, "raven") && (amdgpu_pm_load_smu_firmware(adev, &smu_version) == 0) &&
 		(smu_version >= 0x41e2b))
 		/**
 		*SMC is loaded by SBIOS on APU and it's able to get the SMU version directly.
 		*/
-		snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_kicker_rlc.bin", chip_name);
+		err = amdgpu_ucode_request(adev, &adev->gfx.rlc_fw,
+					   "amdgpu/%s_kicker_rlc.bin", chip_name);
 	else
-		snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_rlc.bin", chip_name);
-	err = amdgpu_ucode_request(adev, &adev->gfx.rlc_fw, fw_name);
+		err = amdgpu_ucode_request(adev, &adev->gfx.rlc_fw,
+					   "amdgpu/%s_rlc.bin", chip_name);
 	if (err)
 		goto out;
-	rlc_hdr = (const struct rlc_firmware_header_v2_0 *)adev->gfx.rlc_fw->data;
 
+	rlc_hdr = (const struct rlc_firmware_header_v2_0 *)adev->gfx.rlc_fw->data;
 	version_major = le16_to_cpu(rlc_hdr->header.header_version_major);
 	version_minor = le16_to_cpu(rlc_hdr->header.header_version_minor);
 	err = amdgpu_gfx_rlc_init_microcode(adev, version_major, version_minor);
@@ -1466,28 +1466,27 @@ static bool gfx_v9_0_load_mec2_fw_bin_support(struct amdgpu_device *adev)
 static int gfx_v9_0_init_cp_compute_microcode(struct amdgpu_device *adev,
 					      char *chip_name)
 {
-	char fw_name[50];
 	int err;
 
 	if (amdgpu_sriov_vf(adev) && (adev->asic_type == CHIP_ALDEBARAN))
-		snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_sjt_mec.bin", chip_name);
+		err = amdgpu_ucode_request(adev, &adev->gfx.mec_fw,
+					   "amdgpu/%s_sjt_mec.bin", chip_name);
 	else
-		snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mec.bin", chip_name);
-
-	err = amdgpu_ucode_request(adev, &adev->gfx.mec_fw, fw_name);
+		err = amdgpu_ucode_request(adev, &adev->gfx.mec_fw,
+					   "amdgpu/%s_mec.bin", chip_name);
 	if (err)
 		goto out;
+
 	amdgpu_gfx_cp_init_microcode(adev, AMDGPU_UCODE_ID_CP_MEC1);
 	amdgpu_gfx_cp_init_microcode(adev, AMDGPU_UCODE_ID_CP_MEC1_JT);
 
 	if (gfx_v9_0_load_mec2_fw_bin_support(adev)) {
 		if (amdgpu_sriov_vf(adev) && (adev->asic_type == CHIP_ALDEBARAN))
-			snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_sjt_mec2.bin", chip_name);
+			err = amdgpu_ucode_request(adev, &adev->gfx.mec2_fw,
+						   "amdgpu/%s_sjt_mec2.bin", chip_name);
 		else
-			snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mec2.bin", chip_name);
-
-		/* ignore failures to load */
-		err = amdgpu_ucode_request(adev, &adev->gfx.mec2_fw, fw_name);
+			err = amdgpu_ucode_request(adev, &adev->gfx.mec2_fw,
+						   "amdgpu/%s_mec2.bin", chip_name);
 		if (!err) {
 			amdgpu_gfx_cp_init_microcode(adev, AMDGPU_UCODE_ID_CP_MEC2);
 			amdgpu_gfx_cp_init_microcode(adev, AMDGPU_UCODE_ID_CP_MEC2_JT);
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c
index aecc2bcea145..6e1598128209 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c
@@ -372,15 +372,14 @@ static void gfx_v9_4_3_free_microcode(struct amdgpu_device *adev)
 static int gfx_v9_4_3_init_rlc_microcode(struct amdgpu_device *adev,
 					  const char *chip_name)
 {
-	char fw_name[30];
 	int err;
 	const struct rlc_firmware_header_v2_0 *rlc_hdr;
 	uint16_t version_major;
 	uint16_t version_minor;
 
-	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_rlc.bin", chip_name);
 
-	err = amdgpu_ucode_request(adev, &adev->gfx.rlc_fw, fw_name);
+	err = amdgpu_ucode_request(adev, &adev->gfx.rlc_fw,
+				   "amdgpu/%s_rlc.bin", chip_name);
 	if (err)
 		goto out;
 	rlc_hdr = (const struct rlc_firmware_header_v2_0 *)adev->gfx.rlc_fw->data;
@@ -409,12 +408,10 @@ static void gfx_v9_4_3_check_if_need_gfxoff(struct amdgpu_device *adev)
 static int gfx_v9_4_3_init_cp_compute_microcode(struct amdgpu_device *adev,
 					  const char *chip_name)
 {
-	char fw_name[30];
 	int err;
 
-	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mec.bin", chip_name);
-
-	err = amdgpu_ucode_request(adev, &adev->gfx.mec_fw, fw_name);
+	err = amdgpu_ucode_request(adev, &adev->gfx.mec_fw,
+				   "amdgpu/%s_mec.bin", chip_name);
 	if (err)
 		goto out;
 	amdgpu_gfx_cp_init_microcode(adev, AMDGPU_UCODE_ID_CP_MEC1);
-- 
2.34.1




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