From: Daniel Vetter Date: Mon, 14 Jul 2014 17:35:31 +0000 (+0200) Subject: drm/i915: Track the primary plane correctly when reassigning planes X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=9c8958bc24e241de2c0d4740e6dea861fe47daa5;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git drm/i915: Track the primary plane correctly when reassigning planes commit 98ec77397a5c68ce753dc283aaa6f4742328bcdd Author: Ville Syrjälä Date: Wed Apr 30 17:43:01 2014 +0300 drm/i915: Make primary_enabled match the actual hardware state introduced more accurate tracking of the primary plane and some checks. It missed the plane->pipe reassignement code for gen2/3 though, which the checks caught and resulted in WARNING backtraces. Since we only use this path if the plane is on and on the wrong pipe we can just always set the tracking bit to "enabled". Reported-and-tested-by: Paul Bolle Cc: Paul Bolle Signed-off-by: Daniel Vetter --- diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 82e7d57f0a8a..f0be855ddf45 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -11914,6 +11914,7 @@ static void intel_sanitize_crtc(struct intel_crtc *crtc) * ... */ plane = crtc->plane; crtc->plane = !plane; + crtc->primary_enabled = true; dev_priv->display.crtc_disable(&crtc->base); crtc->plane = plane;