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Commit 7b5562d4 authored by Jesse Barnes's avatar Jesse Barnes Committed by Daniel Vetter
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drm/i915/vlv: use PIPE_START_VBLANK interrupts on VLV 



This fixes a mismatch between our vblank enable code and our IRQ
handler.  Also, since vblank start events come in before page flips
reliably, it also fixes the kms_flip plain-flip test on my BYT system.

Spotted-by: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: default avatarJesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: default avatarDaniel Vetter <daniel.vetter@ffwll.ch>
parent f02586df

drivers/gpu/drm/i915/i915_irq.c

+1 −1
Original line number Diff line number Diff line
@@ -1353,7 +1353,7 @@ static irqreturn_t valleyview_irq_handler(int irq, void *arg) 
		spin_unlock_irqrestore(&dev_priv->irq_lock, irqflags);



		for_each_pipe(pipe) {

			if (pipe_stats[pipe] & PIPE_VBLANK_INTERRUPT_STATUS)

			if (pipe_stats[pipe] & PIPE_START_VBLANK_INTERRUPT_STATUS)

				drm_handle_vblank(dev, pipe);



			if (pipe_stats[pipe] & PLANE_FLIPDONE_INT_STATUS_VLV) {