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drm: add bus_formats and num_bus_formats fields to drm_display_info

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Add bus_formats and num_bus_formats fields and
drm_display_info_set_bus_formats helper function to specify the bus
formats supported by a given display.

This information can be used by display controller drivers to configure
the output interface appropriately (i.e. RGB565, RGB666 or RGB888 on raw
RGB or LVDS busses).

Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Boris Brezillon
2014-07-22 12:09:10 +02:00
parent fc83975348
commit b5571e9df6
2 changed files with 43 additions and 0 deletions
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8
include/drm/drm_crtc.h
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@@ -31,6 +31,7 @@
#include <linux/idr.h>
#include <linux/fb.h>
#include <linux/hdmi.h>
#include <linux/media-bus-format.h>
#include <uapi/drm/drm_mode.h>
#include <uapi/drm/drm_fourcc.h>
#include <drm/drm_modeset_lock.h>
@@ -139,6 +140,9 @@ struct drm_display_info {
enum subpixel_order subpixel_order;
u32 color_formats;
const u32 *bus_formats;
unsigned int num_bus_formats;
/* Mask of supported hdmi deep color modes */
u8 edid_hdmi_dc_modes;
@@ -1282,6 +1286,10 @@ int drm_mode_connector_set_tile_property(struct drm_connector *connector);
extern int drm_mode_connector_update_edid_property(struct drm_connector *connector,
const struct edid *edid);
extern int drm_display_info_set_bus_formats(struct drm_display_info *info,
const u32 *formats,
unsigned int num_formats);
static inline bool drm_property_type_is(struct drm_property *property,
uint32_t type)
{