Re: [PATCH v3] drm: Add DRM_MODE_ROTATE_ and DRM_MODE_REFLECT_ to UAPI

From: Emil Velikov
Date: Thu May 18 2017 - 05:42:13 EST


Hi Rob,

On 18 May 2017 at 02:39, Robert Foss <robert.foss@xxxxxxxxxxxxx> wrote:
> Add DRM_MODE_ROTATE_ and DRM_MODE_REFLECT_ defines to the UAPI
> as a convenience.
>
> Ideally the DRM_ROTATE_ and DRM_REFLECT_ property ids are looked up
> through the atomic API, but realizing that userspace is likely to take
> shortcuts and assume that the enum values are what is sent over the
> wire.
>
> As a result these defines are provided purely as a convenience to
> userspace applications.
>
> Signed-off-by: Robert Foss <robert.foss@xxxxxxxxxxxxx>
> ---
> Changes since v2:
> - Changed define prefix from DRM_MODE_PROP_ to DRM_MODE_
> - Fix compilation errors
> - Changed comment formatting
> - Deduplicated comment lines
> - Clarified DRM_MODE_PROP_REFLECT_ comment
>
> Changes since v1:
> - Moved defines from drm.h to drm_mode.h
> - Changed define prefix from DRM_ to DRM_MODE_PROP_
> - Updated uses of the defines to the new prefix
> - Removed include from drm_rect.c
> - Stopped using the BIT() macro
>
Reviewed-by: Emil Velikov <emil.velikov@xxxxxxxxxxxxx>

-Emil