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drm: fixes crct set_mode when crtc mode_fixup is null. 

This patch set nukes all the dummy crtc mode_fixup implementations.
(made on top of Daniel topic/drm-misc branch)

Signed-off-by: Carlos Palminha <palminha@synopsys.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/9d41105dee6632b4bb50e9555f2196ac249b9fce.1455630967.git.palminha@synopsys.com
This commit is contained in:
Carlos Palminha 2016-02-16 14:10:03 +00:00 committed by Daniel Vetter
parent 15fce29da3
commit 49f718c57b
1 changed files with 6 additions and 3 deletions
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5
drivers/gpu/drm/drm_crtc_helper.c
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@ -343,10 +343,13 @@ bool drm_crtc_helper_set_mode(struct drm_crtc *crtc,
}
}
if (!(ret = crtc_funcs->mode_fixup(crtc, mode, adjusted_mode))) {
if (crtc_funcs->mode_fixup) {
if (!(ret = crtc_funcs->mode_fixup(crtc, mode,
adjusted_mode))) {
DRM_DEBUG_KMS("CRTC fixup failed\n");
goto done;
}
}
DRM_DEBUG_KMS("[CRTC:%d:%s]\n", crtc->base.id, crtc->name);
crtc->hwmode = *adjusted_mode;