drm/amd: Use `amdgpu_ucode_*` helpers for GFX11

The `amdgpu_ucode_request` helper will ensure that the return code for
missing firmware is -ENODEV so that early_init can fail.

The `amdgpu_ucode_release` helper will provide symmetery on unload.

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>

2 files changed, 39 insertions, 72 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
index 259ebf0356db..a582275a5e8f 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c
@@ -431,18 +431,39 @@ err1:
 
 static void gfx_v11_0_free_microcode(struct amdgpu_device *adev)
 {
-	release_firmware(adev->gfx.pfp_fw);
-	adev->gfx.pfp_fw = NULL;
-	release_firmware(adev->gfx.me_fw);
-	adev->gfx.me_fw = NULL;
-	release_firmware(adev->gfx.rlc_fw);
-	adev->gfx.rlc_fw = NULL;
-	release_firmware(adev->gfx.mec_fw);
-	adev->gfx.mec_fw = NULL;
+	amdgpu_ucode_release(&adev->gfx.pfp_fw);
+	amdgpu_ucode_release(&adev->gfx.me_fw);
+	amdgpu_ucode_release(&adev->gfx.rlc_fw);
+	amdgpu_ucode_release(&adev->gfx.mec_fw);
 
 	kfree(adev->gfx.rlc.register_list_format);
 }
 
+static int gfx_v11_0_init_toc_microcode(struct amdgpu_device *adev)
+{
+	const struct psp_firmware_header_v1_0 *toc_hdr;
+	int err = 0;
+	char fw_name[40];
+	char ucode_prefix[30];
+
+	amdgpu_ucode_ip_version_decode(adev, GC_HWIP, ucode_prefix, sizeof(ucode_prefix));
+	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_toc.bin", ucode_prefix);
+	err = amdgpu_ucode_request(adev, &adev->psp.toc_fw, fw_name);
+	if (err)
+		goto out;
+
+	toc_hdr = (const struct psp_firmware_header_v1_0 *)adev->psp.toc_fw->data;
+	adev->psp.toc.fw_version = le32_to_cpu(toc_hdr->header.ucode_version);
+	adev->psp.toc.feature_version = le32_to_cpu(toc_hdr->sos.fw_version);
+	adev->psp.toc.size_bytes = le32_to_cpu(toc_hdr->header.ucode_size_bytes);
+	adev->psp.toc.start_addr = (uint8_t *)toc_hdr +
+				le32_to_cpu(toc_hdr->header.ucode_array_offset_bytes);
+	return 0;
+out:
+	amdgpu_ucode_release(&adev->psp.toc_fw);
+	return err;
+}
+
 static int gfx_v11_0_init_microcode(struct amdgpu_device *adev)
 {
 	char fw_name[40];
@@ -457,10 +478,7 @@ static int gfx_v11_0_init_microcode(struct amdgpu_device *adev)
 	amdgpu_ucode_ip_version_decode(adev, GC_HWIP, ucode_prefix, sizeof(ucode_prefix));
 
 	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_pfp.bin", ucode_prefix);
-	err = request_firmware(&adev->gfx.pfp_fw, fw_name, adev->dev);
-	if (err)
-		goto out;
-	err = amdgpu_ucode_validate(adev->gfx.pfp_fw);
+	err = amdgpu_ucode_request(adev, &adev->gfx.pfp_fw, fw_name);
 	if (err)
 		goto out;
 	/* check pfp fw hdr version to decide if enable rs64 for gfx11.*/
@@ -477,10 +495,7 @@ static int gfx_v11_0_init_microcode(struct amdgpu_device *adev)
 	}
 
 	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_me.bin", ucode_prefix);
-	err = request_firmware(&adev->gfx.me_fw, fw_name, adev->dev);
-	if (err)
-		goto out;
-	err = amdgpu_ucode_validate(adev->gfx.me_fw);
+	err = amdgpu_ucode_request(adev, &adev->gfx.me_fw, fw_name);
 	if (err)
 		goto out;
 	if (adev->gfx.rs64_enable) {
@@ -493,10 +508,7 @@ static int gfx_v11_0_init_microcode(struct amdgpu_device *adev)
 
 	if (!amdgpu_sriov_vf(adev)) {
 		snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_rlc.bin", ucode_prefix);
-		err = request_firmware(&adev->gfx.rlc_fw, fw_name, adev->dev);
-		if (err)
-			goto out;
-		err = amdgpu_ucode_validate(adev->gfx.rlc_fw);
+		err = amdgpu_ucode_request(adev, &adev->gfx.rlc_fw, fw_name);
 		if (err)
 			goto out;
 		rlc_hdr = (const struct rlc_firmware_header_v2_0 *)adev->gfx.rlc_fw->data;
@@ -508,10 +520,7 @@ static int gfx_v11_0_init_microcode(struct amdgpu_device *adev)
 	}
 
 	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mec.bin", ucode_prefix);
-	err = request_firmware(&adev->gfx.mec_fw, fw_name, adev->dev);
-	if (err)
-		goto out;
-	err = amdgpu_ucode_validate(adev->gfx.mec_fw);
+	err = amdgpu_ucode_request(adev, &adev->gfx.mec_fw, fw_name);
 	if (err)
 		goto out;
 	if (adev->gfx.rs64_enable) {
@@ -530,54 +539,15 @@ static int gfx_v11_0_init_microcode(struct amdgpu_device *adev)
 
 out:
 	if (err) {
-		dev_err(adev->dev,
-			"gfx11: Failed to init firmware \"%s\"\n",
-			fw_name);
-		release_firmware(adev->gfx.pfp_fw);
-		adev->gfx.pfp_fw = NULL;
-		release_firmware(adev->gfx.me_fw);
-		adev->gfx.me_fw = NULL;
-		release_firmware(adev->gfx.rlc_fw);
-		adev->gfx.rlc_fw = NULL;
-		release_firmware(adev->gfx.mec_fw);
-		adev->gfx.mec_fw = NULL;
+		amdgpu_ucode_release(&adev->gfx.pfp_fw);
+		amdgpu_ucode_release(&adev->gfx.me_fw);
+		amdgpu_ucode_release(&adev->gfx.rlc_fw);
+		amdgpu_ucode_release(&adev->gfx.mec_fw);
 	}
 
 	return err;
 }
 
-static int gfx_v11_0_init_toc_microcode(struct amdgpu_device *adev)
-{
-	const struct psp_firmware_header_v1_0 *toc_hdr;
-	int err = 0;
-	char fw_name[40];
-	char ucode_prefix[30];
-
-	amdgpu_ucode_ip_version_decode(adev, GC_HWIP, ucode_prefix, sizeof(ucode_prefix));
-
-	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_toc.bin", ucode_prefix);
-	err = request_firmware(&adev->psp.toc_fw, fw_name, adev->dev);
-	if (err)
-		goto out;
-
-	err = amdgpu_ucode_validate(adev->psp.toc_fw);
-	if (err)
-		goto out;
-
-	toc_hdr = (const struct psp_firmware_header_v1_0 *)adev->psp.toc_fw->data;
-	adev->psp.toc.fw_version = le32_to_cpu(toc_hdr->header.ucode_version);
-	adev->psp.toc.feature_version = le32_to_cpu(toc_hdr->sos.fw_version);
-	adev->psp.toc.size_bytes = le32_to_cpu(toc_hdr->header.ucode_size_bytes);
-	adev->psp.toc.start_addr = (uint8_t *)toc_hdr +
-				le32_to_cpu(toc_hdr->header.ucode_array_offset_bytes);
-	return 0;
-out:
-	dev_err(adev->dev, "Failed to load TOC microcode\n");
-	release_firmware(adev->psp.toc_fw);
-	adev->psp.toc_fw = NULL;
-	return err;
-}
-
 static u32 gfx_v11_0_get_csb_size(struct amdgpu_device *adev)
 {
 	u32 count = 0;
diff --git a/drivers/gpu/drm/amd/amdgpu/imu_v11_0.c b/drivers/gpu/drm/amd/amdgpu/imu_v11_0.c
index 95548c512f4f..ed0d368149aa 100644
--- a/drivers/gpu/drm/amd/amdgpu/imu_v11_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/imu_v11_0.c
@@ -49,10 +49,7 @@ static int imu_v11_0_init_microcode(struct amdgpu_device *adev)
 	amdgpu_ucode_ip_version_decode(adev, GC_HWIP, ucode_prefix, sizeof(ucode_prefix));
 
 	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_imu.bin", ucode_prefix);
-	err = request_firmware(&adev->gfx.imu_fw, fw_name, adev->dev);
-	if (err)
-		goto out;
-	err = amdgpu_ucode_validate(adev->gfx.imu_fw);
+	err = amdgpu_ucode_request(adev, &adev->gfx.imu_fw, fw_name);
 	if (err)
 		goto out;
 	imu_hdr = (const struct imu_firmware_header_v1_0 *)adev->gfx.imu_fw->data;
@@ -77,7 +74,7 @@ out:
 		dev_err(adev->dev,
 			"gfx11: Failed to load firmware \"%s\"\n",
 			fw_name);
-		release_firmware(adev->gfx.imu_fw);
+		amdgpu_ucode_release(&adev->gfx.imu_fw);
 	}
 
 	return err;