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Liviu Dudau authored
Since commit 4dfd6486 ("drm: Use vblank timestamps to guesstimate how many vblanks were missed"), the DRM framework can cope with devices that don't have a hardware counter for vsync events without having to keep the vsync interrupts enabled all the time. Drivers handling such hardware should use drm_vblank_no_hw_counter() function for their ->get_vblank_counter hook. Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by:
Liviu Dudau <Liviu.Dudau@arm.com> Signed-off-by:
Daniel Vetter <daniel.vetter@ffwll.ch> Link: http://patchwork.freedesktop.org/patch/msgid/1464795342-32297-1-git-send-email-Liviu.Dudau@arm.com
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