Re: [PATCH v2] drm/stm: check pitch and size calculations even if !CONFIG_MMU

From: Benjamin Gaignard
Date: Fri Feb 23 2018 - 04:05:23 EST


2018-02-23 9:33 GMT+01:00 Philippe CORNU <philippe.cornu@xxxxxx>:
> Hi Benjamin,
>
> On 01/31/2018 09:05 AM, Benjamin Gaignard wrote:
>> In all cases we have to check pitch and size calculations to speed up
>> data transfer.
>>
>> Fixes: 21f815bf773c ("drm/stm: drv: Improve data transfers")
>>
>> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@xxxxxxxxxx>
>> ---
>> drivers/gpu/drm/stm/drv.c | 2 --
>> 1 file changed, 2 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/stm/drv.c b/drivers/gpu/drm/stm/drv.c
>> index 8bc7e8418b8d..9ab00a87f7cc 100644
>> --- a/drivers/gpu/drm/stm/drv.c
>> +++ b/drivers/gpu/drm/stm/drv.c
>> @@ -35,7 +35,6 @@ static int stm_gem_cma_dumb_create(struct drm_file *file,
>> struct drm_device *dev,
>> struct drm_mode_create_dumb *args)
>> {
>> -#ifdef CONFIG_MMU
>> unsigned int min_pitch = DIV_ROUND_UP(args->width * args->bpp, 8);
>>
>> /*
>> @@ -44,7 +43,6 @@ static int stm_gem_cma_dumb_create(struct drm_file *file,
>> */
>> args->pitch = roundup(min_pitch, 128);
>> args->height = roundup(args->height, 4);
>> -#endif
>
> Reviewed-by: Philippe Cornu <philippe.cornu@xxxxxx>

Applied on drm-misc-next.

Regards,
Benjamin

>
> Many thanks,
> Philippe :-)
>
>>
>> return drm_gem_cma_dumb_create_internal(file, dev, args);
>> }
>>