From ab3e67f43a299b064ccd8cd230d4a006a05c8a4c Mon Sep 17 00:00:00 2001 From: Jesse Barnes Date: Thu, 25 Apr 2013 12:55:03 -0700 Subject: drm/i915: warn about invalid pfit modes We prevent invalid ones from getting here in the first place, but it doesn't hurt to have an extra sanity check. Signed-off-by: Jesse Barnes Signed-off-by: Daniel Vetter --- drivers/gpu/drm/i915/intel_panel.c | 10 +++++++--- 1 file changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c index 00f31f7336f..2526326efd8 100644 --- a/drivers/gpu/drm/i915/intel_panel.c +++ b/drivers/gpu/drm/i915/intel_panel.c @@ -58,7 +58,6 @@ intel_pch_panel_fitting(struct intel_crtc *intel_crtc, struct intel_crtc_config *pipe_config, int fitting_mode) { - struct drm_i915_private *dev_priv = intel_crtc->base.dev->dev_private; struct drm_display_mode *mode, *adjusted_mode; int x, y, width, height; @@ -107,12 +106,15 @@ intel_pch_panel_fitting(struct intel_crtc *intel_crtc, } break; - default: case DRM_MODE_SCALE_FULLSCREEN: x = y = 0; width = adjusted_mode->hdisplay; height = adjusted_mode->vdisplay; break; + + default: + WARN(1, "bad panel fit mode: %d\n", fitting_mode); + return; } done: @@ -267,7 +269,6 @@ void intel_gmch_panel_fitting(struct intel_crtc *intel_crtc, } } break; - default: case DRM_MODE_SCALE_FULLSCREEN: /* * Full scaling, even if it changes the aspect ratio. @@ -285,6 +286,9 @@ void intel_gmch_panel_fitting(struct intel_crtc *intel_crtc, HORIZ_INTERP_BILINEAR); } break; + default: + WARN(1, "bad panel fit mode: %d\n", fitting_mode); + return; } /* 965+ wants fuzzy fitting */ -- cgit v1.2.3