From d7697eea3eec74c561d12887d892c53ac4380c00 Mon Sep 17 00:00:00 2001 From: Daniel Vetter Date: Sun, 2 Jun 2013 17:23:01 +0200 Subject: [PATCH] drm/i915: optimize vblank waits in set_base_atomic We only need to do them if the pipe is actually running and if the framebuffers have changed. Removes two "wait for vblank timed out" messages when doing a suspend/resume cycle on my i855gm. v2: s/to_intel_ctrc(crtc)/intel_crtc/ spotted by Chris. Reviewed-by: Chris Wilson Signed-off-by: Daniel Vetter --- drivers/gpu/drm/i915/intel_display.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index c112466bb769..988e3dee5ece 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -2212,7 +2212,8 @@ intel_pipe_set_base(struct drm_crtc *crtc, int x, int y, crtc->y = y; if (old_fb) { - intel_wait_for_vblank(dev, intel_crtc->pipe); + if (intel_crtc->active && old_fb != fb) + intel_wait_for_vblank(dev, intel_crtc->pipe); intel_unpin_fb_obj(to_intel_framebuffer(old_fb)->obj); } -- 2.34.1