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

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From: Guchun Chen <guchun.chen@xxxxxxx>

[ 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@xxxxxxx>
Reviewed-by: Kent Russell <kent.russell@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 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




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