Yeah that would make things a little clearer, and make it easier to change going forward. Thanks! Kent > -----Original Message----- > From: Chen, Guchun <Guchun.Chen@xxxxxxx> > Sent: Monday, December 13, 2021 10:33 PM > To: Russell, Kent <Kent.Russell@xxxxxxx>; amd-gfx@xxxxxxxxxxxxxxxxxxxxx > Cc: Russell, Kent <Kent.Russell@xxxxxxx> > Subject: RE: [PATCH 1/4] drm/amdgpu: Increase potential product_name to 64 characters > > [Public] > > How about set a define like PRODUCT_NAME_LEN to be 64, and use it in FRU code? In this > case, if it needs to bump string length of product name later on, it will be simple. > > #define PRODUCT_NAME_LEN 64 > > unsigned char buff[PRODUCT_NAME_LEN + 2]; > > Regards, > Guchun > > -----Original Message----- > From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of Kent Russell > Sent: Tuesday, December 14, 2021 3:34 AM > To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx > Cc: Russell, Kent <Kent.Russell@xxxxxxx> > Subject: [PATCH 1/4] drm/amdgpu: Increase potential product_name to 64 characters > > Having seen at least 1 42-character product_name, bump the number up to 64. > > Signed-off-by: Kent Russell <kent.russell@xxxxxxx> > --- > drivers/gpu/drm/amd/amdgpu/amdgpu.h | 2 +- > drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c | 8 ++++---- > 2 files changed, 5 insertions(+), 5 deletions(-) > > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h > b/drivers/gpu/drm/amd/amdgpu/amdgpu.h > index e701dedce344..1afb3066f6dd 100644 > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h > @@ -1083,7 +1083,7 @@ struct amdgpu_device { > > /* Chip product information */ > char product_number[16]; > - char product_name[32]; > + char product_name[64]; > 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..b3b951fe0861 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[66]; > u32 addrptr; > int size, len; > > @@ -131,11 +131,11 @@ 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 > + /* Product name should logically be < 64 characters. Any more, > + * and something could be wrong. Cap it at 64 to be safe > */ > if (len >= sizeof(adev->product_name)) { > - DRM_WARN("FRU Product Number is larger than 32 characters. This is likely > a mistake"); > + DRM_WARN("FRU Product Name is larger than 64 characters. This is > +likely a mistake"); > len = sizeof(adev->product_name) - 1; > } > /* Start at 2 due to buff using fields 0 and 1 for the address */ > -- > 2.25.1