On Mon, Feb 16, 2015 at 03:12:31PM +0000, Damien Lespiau wrote:
> The CRTC_STEREO_DOUBLE_ONLY define was introduced in commit:
>
> commit ecb7e16bf187bc369cf6a5cd108582c01329980d
> Author: Gustavo Padovan <gustavo.padovan@xxxxxxxxxxxxxxx>
> Date: Mon Dec 1 15:40:09 2014 -0800
>
> drm: add helper to get crtc timings (v5)
>
> but if we want the stereo h/v adjustments, we need to set the
> CRTC_STEREO_DOUBLE flag. Otherwise, we'll get the wrong h/v for frame packing
> stereo 3d modes.
>
> Cc: Gustavo Padovan <gustavo.padovan@xxxxxxxxxxxxxxx>
> Cc: Matt Roper <matthew.d.roper@xxxxxxxxx>
> Cc: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@xxxxxxxxx>
> Signed-off-by: Damien Lespiau <damien.lespiau@xxxxxxxxx>
Reviewed-by: Matt Roper <matthew.d.roper@xxxxxxxxx>
> ---
> include/drm/drm_modes.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/include/drm/drm_modes.h b/include/drm/drm_modes.h
> index d92f6dd..0616188 100644
> --- a/include/drm/drm_modes.h
> +++ b/include/drm/drm_modes.h
> @@ -92,7 +92,7 @@ enum drm_mode_status {
> #define CRTC_STEREO_DOUBLE (1 << 1) /* adjust timings for stereo modes */
> #define CRTC_NO_DBLSCAN (1 << 2) /* don't adjust doublescan */
> #define CRTC_NO_VSCAN (1 << 3) /* don't adjust doublescan */
> -#define CRTC_STEREO_DOUBLE_ONLY (CRTC_NO_DBLSCAN | CRTC_NO_VSCAN)
> +#define CRTC_STEREO_DOUBLE_ONLY (CRTC_STEREO_DOUBLE | CRTC_NO_DBLSCAN | CRTC_NO_VSCAN)
>
> #define DRM_MODE_FLAG_3D_MAX DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF
>
> --
> 1.8.3.1
>
--
Matt Roper
Graphics Software Engineer
IoTG Platform Enabling & Development
Intel Corporation
(916) 356-2795
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