X-Git-Url: http://git.ipfire.org/?a=blobdiff_plain;ds=sidebyside;f=drivers%2Fgpu%2Fdrm%2Fi915%2Fdisplay%2Fintel_backlight.c;h=1946d7fb3c2e512b50e7715c9d50e7109b9e190e;hb=b13cfb445c91837db967148222374f591fbdb20c;hp=3f3cd944a1c5bfcc1a94cfa02ae180496140f408;hpb=b344e64fbda303b767a3844ee739a596a9c3679e;p=thirdparty%2Flinux.git

diff --git a/drivers/gpu/drm/i915/display/intel_backlight.c b/drivers/gpu/drm/i915/display/intel_backlight.c
index 3f3cd944a1c5..1946d7fb3c2e 100644
--- a/drivers/gpu/drm/i915/display/intel_backlight.c
+++ b/drivers/gpu/drm/i915/display/intel_backlight.c
@@ -1465,7 +1465,7 @@ static bool cnp_backlight_controller_is_valid(struct drm_i915_private *i915, int
 
 	if (controller == 1 &&
 	    INTEL_PCH_TYPE(i915) >= PCH_ICP &&
-	    INTEL_PCH_TYPE(i915) < PCH_MTP)
+	    INTEL_PCH_TYPE(i915) <= PCH_ADP)
 		return intel_de_read(i915, SOUTH_CHICKEN1) & ICP_SECOND_PPS_IO_SELECT;
 
 	return true;