From 2ddc1dad393d39ee6218e545e37e57f3a9dc050f Mon Sep 17 00:00:00 2001 From: =?utf8?q?Ville=20Syrj=C3=A4l=C3=A4?= Date: Thu, 19 Mar 2015 17:57:14 +0200 Subject: [PATCH] drm/i915: Fix SKL sprite disable double buffer register update MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Write the PLANE_SURF register instead of PLANE_CTL to arm the double buffer regisrter update. Signed-off-by: Ville Syrjälä Signed-off-by: Daniel Vetter --- drivers/gpu/drm/i915/intel_sprite.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c index a4c9c66d7e79..0f00209bb220 100644 --- a/drivers/gpu/drm/i915/intel_sprite.c +++ b/drivers/gpu/drm/i915/intel_sprite.c @@ -301,8 +301,8 @@ skl_disable_plane(struct drm_plane *drm_plane, struct drm_crtc *crtc) I915_WRITE(PLANE_CTL(pipe, plane), 0); /* Activate double buffered register update */ - I915_WRITE(PLANE_CTL(pipe, plane), 0); - POSTING_READ(PLANE_CTL(pipe, plane)); + I915_WRITE(PLANE_SURF(pipe, plane), 0); + POSTING_READ(PLANE_SURF(pipe, plane)); intel_update_sprite_watermarks(drm_plane, crtc, 0, 0, 0, false, false); } -- 2.20.1