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Diffstat (limited to 'include/drm/drm_crtc.h')
-rw-r--r--include/drm/drm_crtc.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index c560364663a5..2e4bf92faa85 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -31,6 +31,7 @@
#include <linux/idr.h>
#include <linux/fb.h>
+#include <linux/slow-work.h>
struct drm_device;
struct drm_mode_set;
@@ -460,6 +461,15 @@ enum drm_connector_force {
DRM_FORCE_ON_DIGITAL, /* for DVI-I use digital connector */
};
+/* should we poll this connector for connects and disconnects */
+/* hot plug detectable */
+#define DRM_CONNECTOR_POLL_HPD (1 << 0)
+/* poll for connections */
+#define DRM_CONNECTOR_POLL_CONNECT (1 << 1)
+/* can cleanly poll for disconnections without flickering the screen */
+/* DACs should rarely do this without a lot of testing */
+#define DRM_CONNECTOR_POLL_DISCONNECT (1 << 2)
+
/**
* drm_connector - central DRM connector control structure
* @crtc: CRTC this connector is currently connected to, NULL if none
@@ -504,6 +514,8 @@ struct drm_connector {
u32 property_ids[DRM_CONNECTOR_MAX_PROPERTY];
uint64_t property_values[DRM_CONNECTOR_MAX_PROPERTY];
+ uint8_t polled; /* DRM_CONNECTOR_POLL_* */
+
/* requested DPMS state */
int dpms;
@@ -543,6 +555,7 @@ struct drm_mode_set {
*/
struct drm_mode_config_funcs {
struct drm_framebuffer *(*fb_create)(struct drm_device *dev, struct drm_file *file_priv, struct drm_mode_fb_cmd *mode_cmd);
+ void (*output_poll_changed)(struct drm_device *dev);
};
struct drm_mode_group {
@@ -580,6 +593,10 @@ struct drm_mode_config {
struct drm_mode_config_funcs *funcs;
resource_size_t fb_base;
+ /* output poll support */
+ bool poll_enabled;
+ struct delayed_slow_work output_poll_slow_work;
+
/* pointers to standard properties */
struct list_head property_blob_list;
struct drm_property *edid_property;