Just like with interlaced or double scan modes, make stereo modes a per-connector opt-in to give a chance to driver authors to make it work before enabling it.
Suggested-by: Daniel Vetter daniel.vetter@ffwll.ch Signed-off-by: Damien Lespiau damien.lespiau@intel.com --- drivers/gpu/drm/drm_crtc_helper.c | 8 +++++++- include/drm/drm_crtc.h | 2 ++ 2 files changed, 9 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c index c722c3b..4280e37 100644 --- a/drivers/gpu/drm/drm_crtc_helper.c +++ b/drivers/gpu/drm/drm_crtc_helper.c @@ -76,7 +76,8 @@ static void drm_mode_validate_flag(struct drm_connector *connector, { struct drm_display_mode *mode;
- if (flags == (DRM_MODE_FLAG_DBLSCAN | DRM_MODE_FLAG_INTERLACE)) + if (flags == (DRM_MODE_FLAG_DBLSCAN | DRM_MODE_FLAG_INTERLACE | + DRM_MODE_FLAG_3D_MASK)) return;
list_for_each_entry(mode, &connector->modes, head) { @@ -86,6 +87,9 @@ static void drm_mode_validate_flag(struct drm_connector *connector, if ((mode->flags & DRM_MODE_FLAG_DBLSCAN) && !(flags & DRM_MODE_FLAG_DBLSCAN)) mode->status = MODE_NO_DBLESCAN; + if ((mode->flags & DRM_MODE_FLAG_3D_MASK) && + !(flags & DRM_MODE_FLAG_3D_MASK)) + mode->status = MODE_NO_STEREO; }
return; @@ -175,6 +179,8 @@ int drm_helper_probe_single_connector_modes(struct drm_connector *connector, mode_flags |= DRM_MODE_FLAG_INTERLACE; if (connector->doublescan_allowed) mode_flags |= DRM_MODE_FLAG_DBLSCAN; + if (connector->stereo_allowed) + mode_flags |= DRM_MODE_FLAG_3D_MASK; drm_mode_validate_flag(connector, mode_flags);
list_for_each_entry(mode, &connector->modes, head) { diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h index 6b7f9c7..1b69407 100644 --- a/include/drm/drm_crtc.h +++ b/include/drm/drm_crtc.h @@ -108,6 +108,7 @@ enum drm_mode_status { MODE_ONE_HEIGHT, /* only one height is supported */ MODE_ONE_SIZE, /* only one resolution is supported */ MODE_NO_REDUCED, /* monitor doesn't accept reduced blanking */ + MODE_NO_STEREO, /* stereo modes not supported */ MODE_UNVERIFIED = -3, /* mode needs to reverified */ MODE_BAD = -2, /* unspecified reason */ MODE_ERROR = -1 /* error condition */ @@ -611,6 +612,7 @@ struct drm_connector { int connector_type_id; bool interlace_allowed; bool doublescan_allowed; + bool stereo_allowed; struct list_head modes; /* list of modes on this connector */
enum drm_connector_status status;