Am 17.12.21 um 16:31 schrieb Kent Russell:
Having seen at least 1 42-character product_name, bump the number up to
64, and put that definition into amdgpu.h to make future adjustments
simpler.
Signed-off-by: Kent Russell <kent.russell@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu.h | 3 ++-
drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c | 12 +++++-------
2 files changed, 7 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index e701dedce344..4e6737e4c36c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -813,6 +813,7 @@ struct amd_powerplay {
#define AMDGPU_RESET_MAGIC_NUM 64
#define AMDGPU_MAX_DF_PERFMONS 4
+#define PRODUCT_NAME_LEN 64
Please prefix all defines with AMDGPU_, apart from that looks good to me.
Regards,
Christian.
struct amdgpu_device {
struct device *dev;
struct pci_dev *pdev;
@@ -1083,7 +1084,7 @@ struct amdgpu_device {
/* Chip product information */
char product_number[16];
- char product_name[32];
+ char product_name[PRODUCT_NAME_LEN];
char serial[20];
atomic_t throttling_logging_enabled;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c
index 7709caeb233d..5ed24701f9cf 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c
@@ -88,7 +88,7 @@ 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[PRODUCT_NAME_LEN+2];
u32 addrptr;
int size, len;
@@ -131,12 +131,10 @@ 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 >= PRODUCT_NAME_LEN) {
+ DRM_WARN("FRU Product Name is larger than %d characters. This is likely a mistake",
+ PRODUCT_NAME_LEN);
+ len = 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);
