[PATCH AUTOSEL 5.19 24/38] drm/amdgpu: disable FRU access on special SIENNA CICHLID card

Sasha Levin
2022-09-10T21:18:51Z

From: Guchun Chen <guchun.chen@amd.com>

[ Upstream commit c8fea9273fd1be308668496badfcbd55183e0dd3 ]

Below driver load error will be printed, not friendly to end user.

amdgpu: ATOM BIOS: 113-D603GLXE-077
[drm] FRU: Failed to get size field
[drm:amdgpu_fru_get_product_info [amdgpu]] *ERROR* Failed to read FRU Manufacturer, ret:-5

Signed-off-by: Guchun Chen <guchun.chen@amd.com>
Reviewed-by: Kent Russell <kent.russell@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c
index ecada5eadfe35..e325150879df7 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c
@@ -66,10 +66,15 @@ static bool is_fru_eeprom_supported(struct amdgpu_device *adev)
return true;
case CHIP_SIENNA_CICHLID:
if (strnstr(atom_ctx->vbios_version, "D603",
+ sizeof(atom_ctx->vbios_version))) {
+ if (strnstr(atom_ctx->vbios_version, "D603GLXE",
sizeof(atom_ctx->vbios_version)))
- return true;
- else
+ return false;
+ else
+ return true;
+ } else {
return false;
+ }
default:
return false;
}
--
2.35.1