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drm/arc: Stop consulting plane->fb
We want to stop using plane->fb with atomic driver, so stop looking at it. I have no idea what this code is trying to achieve. There is no corresponding check in the enable path. Also since arc_pgu_set_pxl_fmt() will anyway oops if there is no fb I'm going to assuming that I can just remove the check entirely. There seems to be a general shortage of .atomic_check() in this driver... Cc: Alexey Brodkin <abrodkin@synopsys.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180405195035.24722-1-ville.syrjala@linux.intel.com Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Acked-by: Alexey Brodkin <abrodkin@synopys.com>
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@ -136,9 +136,6 @@ static void arc_pgu_crtc_atomic_disable(struct drm_crtc *crtc,
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{
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struct arcpgu_drm_private *arcpgu = crtc_to_arcpgu_priv(crtc);
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if (!crtc->primary->fb)
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return;
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clk_disable_unprepare(arcpgu->clk);
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arc_pgu_write(arcpgu, ARCPGU_REG_CTRL,
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arc_pgu_read(arcpgu, ARCPGU_REG_CTRL) &
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