Merge tag 'amd-drm-next-5.17-2021-12-30' of ssh://gitlab.freedesktop.org/agd5f/linux into drm-next

amd-drm-next-5.17-2021-12-30:

amdgpu:
- Suspend/resume fixes
- Fence fix
- Misc code cleanups
- IP discovery fixes
- SRIOV fixes
- RAS fixes
- GMC 8 VRAM detection fix
- FRU fixes for Aldebaran
- Display fixes

amdkfd:
- SVM fixes
- IP discovery fixes

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Alex Deucher <alexander.deucher@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211230141032.613596-1-alexander.deucher@amd.com

1 files changed, 15 insertions, 10 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c
index 7709caeb233d..2a786e788627 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c
@@ -56,6 +56,9 @@ static bool is_fru_eeprom_supported(struct amdgpu_device *adev)
 			return true;
 		else
 			return false;
+	case CHIP_ALDEBARAN:
+		/* All Aldebaran SKUs have the FRU */
+		return true;
 	default:
 		return false;
 	}
@@ -88,13 +91,17 @@ static int amdgpu_fru_read_eeprom(struct amdgpu_device *adev, uint32_t addrptr,
 
 int amdgpu_fru_get_product_info(struct amdgpu_device *adev)
 {
-	unsigned char buff[34];
+	unsigned char buff[AMDGPU_PRODUCT_NAME_LEN+2];
 	u32 addrptr;
 	int size, len;
+	int offset = 2;
 
 	if (!is_fru_eeprom_supported(adev))
 		return 0;
 
+	if (adev->asic_type == CHIP_ALDEBARAN)
+		offset = 0;
+
 	/* If algo exists, it means that the i2c_adapter's initialized */
 	if (!adev->pm.smu_i2c.algo) {
 		DRM_WARN("Cannot access FRU, EEPROM accessor not initialized");
@@ -131,15 +138,13 @@ int amdgpu_fru_get_product_info(struct amdgpu_device *adev)
 	}
 
 	len = size;
-	/* Product name should only be 32 characters. Any more,
-	 * and something could be wrong. Cap it at 32 to be safe
-	 */
-	if (len >= sizeof(adev->product_name)) {
-		DRM_WARN("FRU Product Number is larger than 32 characters. This is likely a mistake");
-		len = sizeof(adev->product_name) - 1;
+	if (len >= AMDGPU_PRODUCT_NAME_LEN) {
+		DRM_WARN("FRU Product Name is larger than %d characters. This is likely a mistake",
+				AMDGPU_PRODUCT_NAME_LEN);
+		len = AMDGPU_PRODUCT_NAME_LEN - 1;
 	}
 	/* Start at 2 due to buff using fields 0 and 1 for the address */
-	memcpy(adev->product_name, &buff[2], len);
+	memcpy(adev->product_name, &buff[offset], len);
 	adev->product_name[len] = '\0';
 
 	addrptr += size + 1;
@@ -157,7 +162,7 @@ int amdgpu_fru_get_product_info(struct amdgpu_device *adev)
 		DRM_WARN("FRU Product Number is larger than 16 characters. This is likely a mistake");
 		len = sizeof(adev->product_number) - 1;
 	}
-	memcpy(adev->product_number, &buff[2], len);
+	memcpy(adev->product_number, &buff[offset], len);
 	adev->product_number[len] = '\0';
 
 	addrptr += size + 1;
@@ -184,7 +189,7 @@ int amdgpu_fru_get_product_info(struct amdgpu_device *adev)
 		DRM_WARN("FRU Serial Number is larger than 16 characters. This is likely a mistake");
 		len = sizeof(adev->serial) - 1;
 	}
-	memcpy(adev->serial, &buff[2], len);
+	memcpy(adev->serial, &buff[offset], len);
 	adev->serial[len] = '\0';
 
 	return 0;