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drm_modes: add of_videomode helpers

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Add helper to get drm_display_mode from devicetree.

Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Reviewed-by: Thierry Reding <thierry.reding@avionic-design.de>
Acked-by: Thierry Reding <thierry.reding@avionic-design.de>
Tested-by: Thierry Reding <thierry.reding@avionic-design.de>
Tested-by: Philipp Zabel <p.zabel@pengutronix.de>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Tested-by: Afzal Mohammed <Afzal@ti.com>
Tested-by: Rob Clark <robclark@gmail.com>
Tested-by: Leela Krishna Amudala <leelakrishna.a@gmail.com>
This commit is contained in:
Steffen Trumtrar
2012-10-28 18:28:06 +01:00
parent ebc64e4538
commit edb37a95c5
2 changed files with 37 additions and 0 deletions
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4
include/drm/drmP.h
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@@ -85,6 +85,7 @@ struct module;
struct drm_file;
struct drm_device;
struct device_node;
struct videomode;
#include <drm/drm_os_linux.h>
@@ -1460,6 +1461,9 @@ drm_mode_create_from_cmdline_mode(struct drm_device *dev,
extern int drm_display_mode_from_videomode(const struct videomode *vm,
struct drm_display_mode *dmode);
extern int of_get_drm_display_mode(struct device_node *np,
struct drm_display_mode *dmode,
int index);
/* Modesetting support */
extern void drm_vblank_pre_modeset(struct drm_device *dev, int crtc);