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drm/edid: Allow drm_mode_find_dmt to hunt for reduced-blanking modes

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It won't find any, yet.  Fix up callers to match: standard mode codes
will look prefer r-b modes for a given size if present, EST3 mode codes
will look for exactly the r-b-ness mentioned in the mode code.  This
might mean fewer modes matched for EST3 mode codes between now and when
the DMT mode list regrows the r-b modes, but practically speaking EST3
codes don't exist in the wild.

Signed-off-by: Adam Jackson <ajax@redhat.com>
Tested-by: Takashi Iwai <tiwai@suse.de>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Adam Jackson
2012-04-13 16:33:31 -04:00
committed by Dave Airlie
parent f8b46a05e6
commit f6e252bac4
3 changed files with 27 additions and 15 deletions
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2
drivers/gpu/drm/drm_fb_helper.c
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@@ -1083,7 +1083,7 @@ static bool drm_target_cloned(struct drm_fb_helper *fb_helper,
/* try and find a 1024x768 mode on each connector */
can_clone = true;
dmt_mode = drm_mode_find_dmt(fb_helper->dev, 1024, 768, 60);
dmt_mode = drm_mode_find_dmt(fb_helper->dev, 1024, 768, 60, false);
for (i = 0; i < fb_helper->connector_count; i++) {