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drm/edid: Add drm_hdmi_avi_infoframe_bars() 

Add a function to fill the AVI infoframe bar information from
the standard tv margin properties.

Cc: Eric Anholt <eric@anholt.net>
Cc: Boris Brezillon <boris.brezillon@bootlin.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191008164814.5894-1-ville.syrjala@linux.intel.com
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
alistair/sunxi64-5.5-dsi
Ville Syrjälä 2019-10-08 19:48:13 +03:00
parent a1d0c02d7a
commit 076d9a5d67
2 changed files with 21 additions and 0 deletions
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17
drivers/gpu/drm/drm_edid.c
View File

@ -5396,6 +5396,23 @@ drm_hdmi_avi_infoframe_quant_range(struct hdmi_avi_infoframe *frame,
}
EXPORT_SYMBOL(drm_hdmi_avi_infoframe_quant_range);
/**
* drm_hdmi_avi_infoframe_bars() - fill the HDMI AVI infoframe
* bar information
* @frame: HDMI AVI infoframe
* @conn_state: connector state
*/
void
drm_hdmi_avi_infoframe_bars(struct hdmi_avi_infoframe *frame,
const struct drm_connector_state *conn_state)
{
frame->right_bar = conn_state->tv.margins.right;
frame->left_bar = conn_state->tv.margins.left;
frame->top_bar = conn_state->tv.margins.top;
frame->bottom_bar = conn_state->tv.margins.bottom;
}
EXPORT_SYMBOL(drm_hdmi_avi_infoframe_bars);
static enum hdmi_3d_structure
s3d_structure_from_display_mode(const struct drm_display_mode *mode)
{

4
include/drm/drm_edid.h
View File

@ -367,6 +367,10 @@ void
drm_hdmi_avi_infoframe_colorspace(struct hdmi_avi_infoframe *frame,
const struct drm_connector_state *conn_state);
void
drm_hdmi_avi_infoframe_bars(struct hdmi_avi_infoframe *frame,
const struct drm_connector_state *conn_state);
void
drm_hdmi_avi_infoframe_quant_range(struct hdmi_avi_infoframe *frame,
struct drm_connector *connector,