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drm: Introduce a crtc_clock for struct drm_display_mode

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Just like the various timings, make it possible to have a clock field
what we can tweak before giving it to hardware.

Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Acked-by: Dave Airlie <airlied@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Damien Lespiau 2013-09-25 16:45:34 +01:00 committed by Daniel Vetter
parent 65427b1e94
commit bde2dcf701
2 changed files with 2 additions and 0 deletions
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1
drivers/gpu/drm/drm_modes.c
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@ -719,6 +719,7 @@ void drm_mode_set_crtcinfo(struct drm_display_mode *p, int adjust_flags)
if ((p == NULL) || ((p->type & DRM_MODE_TYPE_CRTC_C) == DRM_MODE_TYPE_BUILTIN))
return;
p->crtc_clock = p->clock;
p->crtc_hdisplay = p->hdisplay;
p->crtc_hsync_start = p->hsync_start;
p->crtc_hsync_end = p->hsync_end;

1
include/drm/drm_crtc.h
View File

@ -156,6 +156,7 @@ struct drm_display_mode {
int height_mm;
/* Actual mode we give to hw */
int crtc_clock; /* in KHz */
int crtc_hdisplay;
int crtc_hblank_start;
int crtc_hblank_end;