[PATCH] drm/amdgpu/gfx10: ignore rlc ucode validation

[Alex Deucher]

There are apparently ucode versions in the wild with incorrect
sizes specified in the header.  We never checked this before,
so don't start now.

Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/2170
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
index 18809c3da178..af94ac580d3e 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c
@@ -4061,9 +4061,14 @@ static int gfx_v10_0_init_microcode(struct amdgpu_device *adev)
 		err = request_firmware(&adev->gfx.rlc_fw, fw_name, adev->dev);
 		if (err)
 			goto out;
+		/* don't check this.  There are apparently firmwares in the wild with
+		 * incorrect size in the header
+		 */
 		err = amdgpu_ucode_validate(adev->gfx.rlc_fw);
 		if (err)
-			goto out;
+			dev_dbg(adev->dev,
+				"gfx10: amdgpu_ucode_validate() failed \"%s\"\n",
+				fw_name);
 		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);
-- 
2.37.3