HDMI 1.4a defines a few layouts that we'd like to expose. This commits add new modeinfo flags that can be used to list the supported stereo layouts (when querying the list of modes) and to set a given stereo 3D mode (when setting a mode).
v2: Add a drm_mode_is_stereo() helper
Signed-off-by: Damien Lespiau damien.lespiau@intel.com --- include/drm/drm_crtc.h | 14 ++++++++++++++ include/uapi/drm/drm_mode.h | 36 ++++++++++++++++++++++-------------- 2 files changed, 36 insertions(+), 14 deletions(-)
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h index f660ac5..bf242ac 100644 --- a/include/drm/drm_crtc.h +++ b/include/drm/drm_crtc.h @@ -179,6 +179,20 @@ struct drm_display_mode { int hsync; /* in kHz */ };
+#define DRM_MODE_FLAG_3D_MASK (DRM_MODE_FLAG_3D_FRAME_PACKING | \ + DRM_MODE_FLAG_3D_FIELD_ALTERNATIVE | \ + DRM_MODE_FLAG_3D_LINE_ALTERNATIVE | \ + DRM_MODE_FLAG_3D_SIDE_BY_SIDE_FULL | \ + DRM_MODE_FLAG_3D_L_DEPTH | \ + DRM_MODE_FLAG_3D_L_DEPTH_GFX_GFX_DEPTH | \ + DRM_MODE_FLAG_3D_TOP_AND_BOTTOM | \ + DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF) + +static inline bool drm_mode_is_stereo(const struct drm_display_mode *mode) +{ + return mode->flags & DRM_MODE_FLAG_3D_MASK; +} + enum drm_connector_status { connector_status_connected = 1, connector_status_disconnected = 2, diff --git a/include/uapi/drm/drm_mode.h b/include/uapi/drm/drm_mode.h index 53db7ce..045046f 100644 --- a/include/uapi/drm/drm_mode.h +++ b/include/uapi/drm/drm_mode.h @@ -44,20 +44,28 @@
/* Video mode flags */ /* bit compatible with the xorg definitions. */ -#define DRM_MODE_FLAG_PHSYNC (1<<0) -#define DRM_MODE_FLAG_NHSYNC (1<<1) -#define DRM_MODE_FLAG_PVSYNC (1<<2) -#define DRM_MODE_FLAG_NVSYNC (1<<3) -#define DRM_MODE_FLAG_INTERLACE (1<<4) -#define DRM_MODE_FLAG_DBLSCAN (1<<5) -#define DRM_MODE_FLAG_CSYNC (1<<6) -#define DRM_MODE_FLAG_PCSYNC (1<<7) -#define DRM_MODE_FLAG_NCSYNC (1<<8) -#define DRM_MODE_FLAG_HSKEW (1<<9) /* hskew provided */ -#define DRM_MODE_FLAG_BCAST (1<<10) -#define DRM_MODE_FLAG_PIXMUX (1<<11) -#define DRM_MODE_FLAG_DBLCLK (1<<12) -#define DRM_MODE_FLAG_CLKDIV2 (1<<13) +#define DRM_MODE_FLAG_PHSYNC (1<<0) +#define DRM_MODE_FLAG_NHSYNC (1<<1) +#define DRM_MODE_FLAG_PVSYNC (1<<2) +#define DRM_MODE_FLAG_NVSYNC (1<<3) +#define DRM_MODE_FLAG_INTERLACE (1<<4) +#define DRM_MODE_FLAG_DBLSCAN (1<<5) +#define DRM_MODE_FLAG_CSYNC (1<<6) +#define DRM_MODE_FLAG_PCSYNC (1<<7) +#define DRM_MODE_FLAG_NCSYNC (1<<8) +#define DRM_MODE_FLAG_HSKEW (1<<9) /* hskew provided */ +#define DRM_MODE_FLAG_BCAST (1<<10) +#define DRM_MODE_FLAG_PIXMUX (1<<11) +#define DRM_MODE_FLAG_DBLCLK (1<<12) +#define DRM_MODE_FLAG_CLKDIV2 (1<<13) +#define DRM_MODE_FLAG_3D_FRAME_PACKING (1<<14) +#define DRM_MODE_FLAG_3D_FIELD_ALTERNATIVE (1<<15) +#define DRM_MODE_FLAG_3D_LINE_ALTERNATIVE (1<<16) +#define DRM_MODE_FLAG_3D_SIDE_BY_SIDE_FULL (1<<17) +#define DRM_MODE_FLAG_3D_L_DEPTH (1<<18) +#define DRM_MODE_FLAG_3D_L_DEPTH_GFX_GFX_DEPTH (1<<19) +#define DRM_MODE_FLAG_3D_TOP_AND_BOTTOM (1<<20) +#define DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF (1<<21)
/* DPMS flags */ /* bit compatible with the xorg definitions. */