On Wed, Sep 04, 2013 at 05:14:02PM +0530, Sandeep Ramankutty wrote: > This change is to comply with the BUN - Vblank interrupt on disabled pipe. > BUN states - Do not unmask and enable a vertical blank interrupt on a pipe > that is not enabled. Do not leave this interrupt enabled and unmasked after > the associated pipe is disabled. If the vblank interrupt is unmasked and > enabled on a disabled pipe it will block package C3, wasting power.
See drm_vblank_off(). -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx
