From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> On HSW enabling a plane on a disabled pipe may hang the entire system. And there's no good reason for doing it ever, so just don't. Cc: stable@xxxxxxxxxxxxxxx Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> --- drivers/gpu/drm/i915/intel_display.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 18043a2..d0137b6 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -6793,6 +6793,9 @@ static void intel_crtc_update_cursor(struct drm_crtc *crtc, u32 base, pos; bool visible; + if (!intel_crtc->active) + return; + pos = 0; if (on && crtc->enabled && crtc->fb) { -- 1.8.1.5 -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html