drm/amdgpu: Fix uvd firmware version information for vega20 (v2)

The uvd version information was not set correctly for vega20.
Rearrange the logic to set it correctly and fix the warnings
as a result.

v2: fix version formatting for userspace based on feedback from Leo

Fixes: 96ca7f298f (drm/amdgpu/vg20:support new UVD FW version naming convention)
Reviewed-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -127,7 +127,7 @@ int amdgpu_uvd_sw_init(struct amdgpu_device *adev)
 	unsigned long bo_size;
 	const char *fw_name;
 	const struct common_firmware_header *hdr;
-	unsigned version_major, version_minor, family_id;
+	unsigned family_id;
 	int i, j, r;
 
 	INIT_DELAYED_WORK(&adev->uvd.inst->idle_work, amdgpu_uvd_idle_work_handler);
@@ -210,19 +210,12 @@ int amdgpu_uvd_sw_init(struct amdgpu_device *adev)
 	family_id = le32_to_cpu(hdr->ucode_version) & 0xff;
 
 	if (adev->asic_type < CHIP_VEGA20) {
+		unsigned version_major, version_minor;
+
 		version_major = (le32_to_cpu(hdr->ucode_version) >> 24) & 0xff;
 		version_minor = (le32_to_cpu(hdr->ucode_version) >> 8) & 0xff;
 		DRM_INFO("Found UVD firmware Version: %hu.%hu Family ID: %hu\n",
 			version_major, version_minor, family_id);
-	} else {
-		unsigned int enc_major, enc_minor, dec_minor;
-
-		dec_minor = (le32_to_cpu(hdr->ucode_version) >> 8) & 0xff;
-		enc_minor = (le32_to_cpu(hdr->ucode_version) >> 24) & 0x3f;
-		enc_major = (le32_to_cpu(hdr->ucode_version) >> 30) & 0x3;
-		DRM_INFO("Found UVD firmware ENC: %hu.%hu DEC: .%hu Family ID: %hu\n",
-			enc_major, enc_minor, dec_minor, family_id);
-	}
 
 		/*
 		 * Limit the number of UVD handles depending on microcode major
@@ -230,7 +223,7 @@ int amdgpu_uvd_sw_init(struct amdgpu_device *adev)
 		 * instances support is 1.80. So all subsequent versions should
 		 * also have the same support.
 		 */
-	if (adev->asic_type >= CHIP_VEGA20 || (version_major > 0x01) ||
+		if ((version_major > 0x01) ||
 		    ((version_major == 0x01) && (version_minor >= 0x50)))
 			adev->uvd.max_handles = AMDGPU_MAX_UVD_HANDLES;
 
@@ -242,6 +235,19 @@ int amdgpu_uvd_sw_init(struct amdgpu_device *adev)
 		    (adev->uvd.fw_version < FW_1_66_16))
 			DRM_ERROR("POLARIS10/11 UVD firmware version %hu.%hu is too old.\n",
 				  version_major, version_minor);
+	} else {
+		unsigned int enc_major, enc_minor, dec_minor;
+
+		dec_minor = (le32_to_cpu(hdr->ucode_version) >> 8) & 0xff;
+		enc_minor = (le32_to_cpu(hdr->ucode_version) >> 24) & 0x3f;
+		enc_major = (le32_to_cpu(hdr->ucode_version) >> 30) & 0x3;
+		DRM_INFO("Found UVD firmware ENC: %hu.%hu DEC: .%hu Family ID: %hu\n",
+			enc_major, enc_minor, dec_minor, family_id);
+
+		adev->uvd.max_handles = AMDGPU_MAX_UVD_HANDLES;
+
+		adev->uvd.fw_version = le32_to_cpu(hdr->ucode_version);
+	}
 
 	bo_size = AMDGPU_UVD_STACK_SIZE + AMDGPU_UVD_HEAP_SIZE
 		  +  AMDGPU_UVD_SESSION_SIZE * adev->uvd.max_handles;