[PATCH v5 31/45] drm/amd: Use `amdgpu_ucode_*` helpers for GFX8

[Mario Limonciello]

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 is for symmetry on unloading.

Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxx>
---
 drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 94 ++++++++++-----------------
 1 file changed, 33 insertions(+), 61 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index d47135606e3e..7197b342944c 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -924,20 +924,14 @@ static int gfx_v8_0_ring_test_ib(struct amdgpu_ring *ring, long timeout)
 
 static void gfx_v8_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.ce_fw);
-	adev->gfx.ce_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.ce_fw);
+	amdgpu_ucode_release(adev->gfx.rlc_fw);
+	amdgpu_ucode_release(adev->gfx.mec_fw);
 	if ((adev->asic_type != CHIP_STONEY) &&
 	    (adev->asic_type != CHIP_TOPAZ))
-		release_firmware(adev->gfx.mec2_fw);
-	adev->gfx.mec2_fw = NULL;
+		amdgpu_ucode_release(adev->gfx.mec2_fw);
 
 	kfree(adev->gfx.rlc.register_list_format);
 }
@@ -989,18 +983,15 @@ static int gfx_v8_0_init_microcode(struct amdgpu_device *adev)
 
 	if (adev->asic_type >= CHIP_POLARIS10 && adev->asic_type <= CHIP_POLARIS12) {
 		snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_pfp_2.bin", chip_name);
-		err = request_firmware(&adev->gfx.pfp_fw, fw_name, adev->dev);
-		if (err == -ENOENT) {
+		err = amdgpu_ucode_request(adev, &adev->gfx.pfp_fw, fw_name);
+		if (err == -ENODEV) {
 			snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_pfp.bin", chip_name);
-			err = request_firmware(&adev->gfx.pfp_fw, fw_name, adev->dev);
+			err = amdgpu_ucode_request(adev, &adev->gfx.pfp_fw, fw_name);
 		}
 	} else {
 		snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_pfp.bin", chip_name);
-		err = request_firmware(&adev->gfx.pfp_fw, fw_name, adev->dev);
+		err = amdgpu_ucode_request(adev, &adev->gfx.pfp_fw, fw_name);
 	}
-	if (err)
-		goto out;
-	err = amdgpu_ucode_validate(adev->gfx.pfp_fw);
 	if (err)
 		goto out;
 	cp_hdr = (const struct gfx_firmware_header_v1_0 *)adev->gfx.pfp_fw->data;
@@ -1009,18 +1000,15 @@ static int gfx_v8_0_init_microcode(struct amdgpu_device *adev)
 
 	if (adev->asic_type >= CHIP_POLARIS10 && adev->asic_type <= CHIP_POLARIS12) {
 		snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_me_2.bin", chip_name);
-		err = request_firmware(&adev->gfx.me_fw, fw_name, adev->dev);
-		if (err == -ENOENT) {
+		err = amdgpu_ucode_request(adev, &adev->gfx.me_fw, fw_name);
+		if (err == -ENODEV) {
 			snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_me.bin", chip_name);
-			err = request_firmware(&adev->gfx.me_fw, fw_name, adev->dev);
+		err = amdgpu_ucode_request(adev, &adev->gfx.me_fw, fw_name);
 		}
 	} else {
 		snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_me.bin", chip_name);
-		err = request_firmware(&adev->gfx.me_fw, fw_name, adev->dev);
+		err = amdgpu_ucode_request(adev, &adev->gfx.me_fw, fw_name);
 	}
-	if (err)
-		goto out;
-	err = amdgpu_ucode_validate(adev->gfx.me_fw);
 	if (err)
 		goto out;
 	cp_hdr = (const struct gfx_firmware_header_v1_0 *)adev->gfx.me_fw->data;
@@ -1030,18 +1018,15 @@ static int gfx_v8_0_init_microcode(struct amdgpu_device *adev)
 
 	if (adev->asic_type >= CHIP_POLARIS10 && adev->asic_type <= CHIP_POLARIS12) {
 		snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_ce_2.bin", chip_name);
-		err = request_firmware(&adev->gfx.ce_fw, fw_name, adev->dev);
-		if (err == -ENOENT) {
+		err = amdgpu_ucode_request(adev, &adev->gfx.ce_fw, fw_name);
+		if (err == -ENODEV) {
 			snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_ce.bin", chip_name);
-			err = request_firmware(&adev->gfx.ce_fw, fw_name, adev->dev);
+			err = amdgpu_ucode_request(adev, &adev->gfx.ce_fw, fw_name);
 		}
 	} else {
 		snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_ce.bin", chip_name);
-		err = request_firmware(&adev->gfx.ce_fw, fw_name, adev->dev);
+		err = amdgpu_ucode_request(adev, &adev->gfx.ce_fw, fw_name);
 	}
-	if (err)
-		goto out;
-	err = amdgpu_ucode_validate(adev->gfx.ce_fw);
 	if (err)
 		goto out;
 	cp_hdr = (const struct gfx_firmware_header_v1_0 *)adev->gfx.ce_fw->data;
@@ -1060,10 +1045,9 @@ static int gfx_v8_0_init_microcode(struct amdgpu_device *adev)
 		adev->virt.chained_ib_support = false;
 
 	snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_rlc.bin", chip_name);
-	err = request_firmware(&adev->gfx.rlc_fw, fw_name, adev->dev);
+	err = amdgpu_ucode_request(adev, &adev->gfx.rlc_fw, fw_name);
 	if (err)
 		goto out;
-	err = amdgpu_ucode_validate(adev->gfx.rlc_fw);
 	rlc_hdr = (const struct rlc_firmware_header_v2_0 *)adev->gfx.rlc_fw->data;
 	adev->gfx.rlc_fw_version = le32_to_cpu(rlc_hdr->header.ucode_version);
 	adev->gfx.rlc_feature_version = le32_to_cpu(rlc_hdr->ucode_feature_version);
@@ -1110,18 +1094,15 @@ static int gfx_v8_0_init_microcode(struct amdgpu_device *adev)
 
 	if (adev->asic_type >= CHIP_POLARIS10 && adev->asic_type <= CHIP_POLARIS12) {
 		snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mec_2.bin", chip_name);
-		err = request_firmware(&adev->gfx.mec_fw, fw_name, adev->dev);
-		if (err == -ENOENT) {
+		err = amdgpu_ucode_request(adev, &adev->gfx.mec_fw, fw_name);
+		if (err == -ENODEV) {
 			snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mec.bin", chip_name);
-			err = request_firmware(&adev->gfx.mec_fw, fw_name, adev->dev);
+			err = amdgpu_ucode_request(adev, &adev->gfx.mec_fw, fw_name);
 		}
 	} else {
 		snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mec.bin", chip_name);
-		err = request_firmware(&adev->gfx.mec_fw, fw_name, adev->dev);
+		err = amdgpu_ucode_request(adev, &adev->gfx.mec_fw, fw_name);
 	}
-	if (err)
-		goto out;
-	err = amdgpu_ucode_validate(adev->gfx.mec_fw);
 	if (err)
 		goto out;
 	cp_hdr = (const struct gfx_firmware_header_v1_0 *)adev->gfx.mec_fw->data;
@@ -1132,19 +1113,16 @@ static int gfx_v8_0_init_microcode(struct amdgpu_device *adev)
 	    (adev->asic_type != CHIP_TOPAZ)) {
 		if (adev->asic_type >= CHIP_POLARIS10 && adev->asic_type <= CHIP_POLARIS12) {
 			snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mec2_2.bin", chip_name);
-			err = request_firmware(&adev->gfx.mec2_fw, fw_name, adev->dev);
-			if (err == -ENOENT) {
+			err = amdgpu_ucode_request(adev, &adev->gfx.mec2_fw, fw_name);
+			if (err == -ENODEV) {
 				snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mec2.bin", chip_name);
-				err = request_firmware(&adev->gfx.mec2_fw, fw_name, adev->dev);
+				err = amdgpu_ucode_request(adev, &adev->gfx.mec2_fw, fw_name);
 			}
 		} else {
 			snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_mec2.bin", chip_name);
-			err = request_firmware(&adev->gfx.mec2_fw, fw_name, adev->dev);
+			err = amdgpu_ucode_request(adev, &adev->gfx.mec2_fw, fw_name);
 		}
 		if (!err) {
-			err = amdgpu_ucode_validate(adev->gfx.mec2_fw);
-			if (err)
-				goto out;
 			cp_hdr = (const struct gfx_firmware_header_v1_0 *)
 				adev->gfx.mec2_fw->data;
 			adev->gfx.mec2_fw_version =
@@ -1219,18 +1197,12 @@ static int gfx_v8_0_init_microcode(struct amdgpu_device *adev)
 		dev_err(adev->dev,
 			"gfx8: Failed to load 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.ce_fw);
-		adev->gfx.ce_fw = NULL;
-		release_firmware(adev->gfx.rlc_fw);
-		adev->gfx.rlc_fw = NULL;
-		release_firmware(adev->gfx.mec_fw);
-		adev->gfx.mec_fw = NULL;
-		release_firmware(adev->gfx.mec2_fw);
-		adev->gfx.mec2_fw = NULL;
+		amdgpu_ucode_release(adev->gfx.pfp_fw);
+		amdgpu_ucode_release(adev->gfx.me_fw);
+		amdgpu_ucode_release(adev->gfx.ce_fw);
+		amdgpu_ucode_release(adev->gfx.rlc_fw);
+		amdgpu_ucode_release(adev->gfx.mec_fw);
+		amdgpu_ucode_release(adev->gfx.mec2_fw);
 	}
 	return err;
 }
-- 
2.34.1