On 18 May 2016 at 09:33, YT Shen <yt.shen@xxxxxxxxxxxx> wrote: >> > @@ -108,6 +108,10 @@ int mtk_drm_gem_dumb_create(struct drm_file *file_priv, struct drm_device *dev, >> > int ret; >> > >> > args->pitch = DIV_ROUND_UP(args->width * args->bpp, 8); >> > + /* >> > + * align to 8 bytes since Mali requires it. >> > + */ >> > + args->pitch = ALIGN(args->pitch, 8); >> Are you sure we need this, based on the line just above ? > I think bpp stands for bits per pixel, so width * bpp / 8 simply transfer from bits to bytes, which > cannot guarantee align to 8. > You're absolutely correct. Reading the comment made me loose my mind and completely misinterpret the division macro. > I will remove this align part from the patch, this constraint is not from display controller. Thank you ! Regards Emil -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
