drm/i915: Remove a comment about PCH from the non-PCH path

Signed-off-by: Adam Jackson <ajax@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

drivers/gpu/drm/i915/intel_display.c

@@ -5235,8 +5235,6 @@ static int i9xx_crtc_mode_set(struct drm_crtc *crtc,
 	/* Set up the display plane register */
 	dspcntr = DISPPLANE_GAMMA_ENABLE;
 
-	/* Ironlake's plane is forced to pipe, bit 24 is to
-	   enable color space conversion */
 	if (pipe == 0)
 		dspcntr &= ~DISPPLANE_SEL_PIPE_MASK;
 	else