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Diffstat (limited to 'include/drm/drm_crtc.h')
-rw-r--r--include/drm/drm_crtc.h30
1 files changed, 29 insertions, 1 deletions
diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h
index f32c5cd51f41..71727b6210ae 100644
--- a/include/drm/drm_crtc.h
+++ b/include/drm/drm_crtc.h
@@ -30,6 +30,7 @@
#include <linux/types.h>
#include <linux/idr.h>
#include <linux/fb.h>
+#include <linux/hdmi.h>
#include <drm/drm_mode.h>
#include <drm/drm_fourcc.h>
@@ -181,6 +182,7 @@ struct drm_display_mode {
int vrefresh; /* in Hz */
int hsync; /* in kHz */
+ enum hdmi_picture_aspect picture_aspect_ratio;
};
static inline bool drm_mode_is_stereo(const struct drm_display_mode *mode)
@@ -447,7 +449,7 @@ struct drm_crtc {
uint16_t *gamma_store;
/* Constants needed for precise vblank and swap timestamping. */
- s64 framedur_ns, linedur_ns, pixeldur_ns;
+ int framedur_ns, linedur_ns, pixeldur_ns;
/* if you are using the helper */
void *helper_private;
@@ -929,6 +931,19 @@ extern int drm_crtc_init(struct drm_device *dev,
struct drm_crtc *crtc,
const struct drm_crtc_funcs *funcs);
extern void drm_crtc_cleanup(struct drm_crtc *crtc);
+extern unsigned int drm_crtc_index(struct drm_crtc *crtc);
+
+/**
+ * drm_crtc_mask - find the mask of a registered CRTC
+ * @crtc: CRTC to find mask for
+ *
+ * Given a registered CRTC, return the mask bit of that CRTC for an
+ * encoder's possible_crtcs field.
+ */
+static inline uint32_t drm_crtc_mask(struct drm_crtc *crtc)
+{
+ return 1 << drm_crtc_index(crtc);
+}
extern void drm_connector_ida_init(void);
extern void drm_connector_ida_destroy(void);
@@ -950,6 +965,19 @@ extern int drm_encoder_init(struct drm_device *dev,
const struct drm_encoder_funcs *funcs,
int encoder_type);
+/**
+ * drm_encoder_crtc_ok - can a given crtc drive a given encoder?
+ * @encoder: encoder to test
+ * @crtc: crtc to test
+ *
+ * Return false if @encoder can't be driven by @crtc, true otherwise.
+ */
+static inline bool drm_encoder_crtc_ok(struct drm_encoder *encoder,
+ struct drm_crtc *crtc)
+{
+ return !!(encoder->possible_crtcs & drm_crtc_mask(crtc));
+}
+
extern int drm_plane_init(struct drm_device *dev,
struct drm_plane *plane,
unsigned long possible_crtcs,