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path: root/drivers/gpu/drm/drm_crtc_helper.c
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Diffstat (limited to 'drivers/gpu/drm/drm_crtc_helper.c')
-rw-r--r--drivers/gpu/drm/drm_crtc_helper.c18
1 files changed, 14 insertions, 4 deletions
diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c
index c722c3b5404..0d6469d74be 100644
--- a/drivers/gpu/drm/drm_crtc_helper.c
+++ b/drivers/gpu/drm/drm_crtc_helper.c
@@ -39,6 +39,10 @@
#include <drm/drm_fb_helper.h>
#include <drm/drm_edid.h>
+MODULE_AUTHOR("David Airlie, Jesse Barnes");
+MODULE_DESCRIPTION("DRM KMS helper");
+MODULE_LICENSE("GPL and additional rights");
+
/**
* drm_helper_move_panel_connectors_to_head() - move panels to the front in the
* connector list
@@ -76,7 +80,8 @@ 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 +91,9 @@ 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;
@@ -105,9 +113,9 @@ static void drm_mode_validate_flag(struct drm_connector *connector,
* then culled (based on validity and the @maxX, @maxY parameters) and put into
* the normal modes list.
*
- * Intended to be use as a generic implementation of the ->probe() @connector
- * callback for drivers that use the crtc helpers for output mode filtering and
- * detection.
+ * Intended to be use as a generic implementation of the ->fill_modes()
+ * @connector vfunc for drivers that use the crtc helpers for output mode
+ * filtering and detection.
*
* RETURNS:
* Number of modes found on @connector.
@@ -175,6 +183,8 @@ 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) {