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drm: Add HDMI infoframe helpers

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Add a generic helper to fill in an HDMI AVI infoframe with data
extracted from a DRM display mode.

Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Thierry Reding
2012-11-21 15:31:35 +01:00
parent f142d3bd55
commit 10a8512008
3 changed files with 40 additions and 0 deletions
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6
include/drm/drm_edid.h
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@@ -247,6 +247,8 @@ struct edid {
struct drm_encoder;
struct drm_connector;
struct drm_display_mode;
struct hdmi_avi_infoframe;
void drm_edid_to_eld(struct drm_connector *connector, struct edid *edid);
int drm_av_sync_delay(struct drm_connector *connector,
struct drm_display_mode *mode);
@@ -254,4 +256,8 @@ struct drm_connector *drm_select_eld(struct drm_encoder *encoder,
struct drm_display_mode *mode);
int drm_load_edid_firmware(struct drm_connector *connector);
int
drm_hdmi_avi_infoframe_from_display_mode(struct hdmi_avi_infoframe *frame,
const struct drm_display_mode *mode);
#endif /* __DRM_EDID_H__ */