From 1947fd133cf0f58b171adc8565685c1a06de07b7 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Ville=20Syrj=C3=A4l=C3=A4?= Date: Mon, 5 Mar 2018 19:41:22 +0200 Subject: [PATCH] drm/i915: Don't initialize plane_to_crtc_mapping[] on SKL+ MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit We don't use the enum i9xx_plane_id namespace on SKL+ anymore, so do not initialize the related plane_to_crtc_mapping[] table either. Actually the only remaining user of that table is the pre-g4x watermark code, but no harm in initializing the table on all pre-SKL platforms. Signed-off-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20180305174122.17273-1-ville.syrjala@linux.intel.com Reviewed-by: Dhinakaran Pandiyan --- drivers/gpu/drm/i915/intel_display.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index a7bfa238054c..b31b80643f87 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -13570,10 +13570,17 @@ static int intel_crtc_init(struct drm_i915_private *dev_priv, enum pipe pipe) /* initialize shared scalers */ intel_crtc_init_scalers(intel_crtc, crtc_state); - BUG_ON(pipe >= ARRAY_SIZE(dev_priv->plane_to_crtc_mapping) || - dev_priv->plane_to_crtc_mapping[primary->i9xx_plane] != NULL); - dev_priv->plane_to_crtc_mapping[primary->i9xx_plane] = intel_crtc; - dev_priv->pipe_to_crtc_mapping[intel_crtc->pipe] = intel_crtc; + BUG_ON(pipe >= ARRAY_SIZE(dev_priv->pipe_to_crtc_mapping) || + dev_priv->pipe_to_crtc_mapping[pipe] != NULL); + dev_priv->pipe_to_crtc_mapping[pipe] = intel_crtc; + + if (INTEL_GEN(dev_priv) < 9) { + enum i9xx_plane_id i9xx_plane = primary->i9xx_plane; + + BUG_ON(i9xx_plane >= ARRAY_SIZE(dev_priv->plane_to_crtc_mapping) || + dev_priv->plane_to_crtc_mapping[i9xx_plane] != NULL); + dev_priv->plane_to_crtc_mapping[i9xx_plane] = intel_crtc; + } drm_crtc_helper_add(&intel_crtc->base, &intel_helper_funcs); -- 2.17.1