Re: [PATCH v2] exynos-drm: Fix unsupported GEM memory type error message to be clear

From: Javier Martinez Canillas
Date: Wed Aug 10 2016 - 14:16:57 EST


Hello Shuah,

On 08/08/2016 07:48 PM, Shuah Khan wrote:
> Fix unsupported GEM memory type error message to include the memory type
> information.
>
> Signed-off-by: Shuah Khan <shuahkh@xxxxxxxxxxxxxxx>
> ---
> Changes since v1:
> -- Comment changed to read clearly
>
> drivers/gpu/drm/exynos/exynos_drm_fb.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_fb.c b/drivers/gpu/drm/exynos/exynos_drm_fb.c
> index e016640..40ce841 100644
> --- a/drivers/gpu/drm/exynos/exynos_drm_fb.c
> +++ b/drivers/gpu/drm/exynos/exynos_drm_fb.c
> @@ -55,11 +55,11 @@ static int check_fb_gem_memory_type(struct drm_device *drm_dev,
> flags = exynos_gem->flags;
>
> /*
> - * without iommu support, not support physically non-continuous memory
> - * for framebuffer.
> + * Physically non-contiguous memory type for framebuffer is not
> + * supported without IOMMU.
> */
> if (IS_NONCONTIG_BUFFER(flags)) {
> - DRM_ERROR("cannot use this gem memory type for fb.\n");
> + DRM_ERROR("Non-contiguous GEM memory is not supported.\n");
> return -EINVAL;
> }
>
>

Patch looks good to me.

Reviewed-by: Javier Martinez Canillas <javier@xxxxxxxxxxxxxxx>

Best regards,
--
Javier Martinez Canillas
Open Source Group
Samsung Research America