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authorDaniel Vetter <daniel.vetter@ffwll.ch>2016-06-08 14:18:55 +0200
committerDaniel Vetter <daniel.vetter@ffwll.ch>2016-06-10 16:55:05 +0200
commit84d9a4a28801fddb88dc61487089ed0ae2ccef78 (patch)
tree5b6dd3219f31891cfc2f7131563aa054c6d428e2 /drivers/block
parentdrm/atomic-helper: Massage swap_state signature somewhat (diff)
downloadlinux-84d9a4a28801fddb88dc61487089ed0ae2ccef78.tar.xz
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drm/arc: Actually bother with handling atomic events.
The drm core has a nice ready-made helper for exactly the simple case where it should fire on the next vblank. Note that arming the vblank event in _begin is probably too early, and might easily result in the vblank firing too early, before the new set of planes are actually disabled. But that's kinda a minor issue compared to just outright hanging userspace. v2: Be more robust and either arm, when the CRTC is on, or just send the event out right away. v3: Just unconditionally send out the event directly, for safety - arcpgu doesn't even have vblank support ... Cc: Carlos Palminha <palminha@synopsys.com> Cc: Alexey Brodkin <abrodkin@synopsys.com> Cc: linux-snps-arc@lists.infradead.org Signed-off-by: Daniel Vetter <daniel.vetter@intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/1465388359-8070-3-git-send-email-daniel.vetter@ffwll.ch Link: http://patchwork.freedesktop.org/patch/msgid/1465388359-8070-4-git-send-email-daniel.vetter@ffwll.ch
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