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drm: fixes crct set_mode when encoder mode_fixup is null.

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Avoids null crash when encoders don't implement mode_fixup.

Signed-off-by: Carlos Palminha <palminha@synopsys.com>
[danvet: Also update kerneldoc.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1455106522-32307-1-git-send-email-palminha@synopsys.com
This commit is contained in:
Carlos Palminha
2016-02-10 12:15:22 +00:00
committed by Daniel Vetter
parent 71dfb744bd
commit 3c5b267314
2 changed files with 7 additions and 5 deletions
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include/drm/drm_modeset_helper_vtables.h
+1 -1
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@@ -439,7 +439,7 @@ struct drm_encoder_helper_funcs {
* can be modified by this callback and does not need to match mode.
*
* This function is used by both legacy CRTC helpers and atomic helpers.
* With atomic helpers it is optional.
* This hook is optional.
*
* NOTE:
*