drm/i915: page flip support for Ivy Bridge

Treat Ivy Bridge like previous chips as far as flip submission is
concerned.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Reviewed-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Keith Packard <keithp@keithp.com>

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index b1de6cb..18888a2 100644 (file)
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -6431,6 +6431,7 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
                break;
 
        case 6:
+       case 7:
                OUT_RING(MI_DISPLAY_FLIP |
                         MI_DISPLAY_FLIP_PLANE(intel_crtc->plane));
                OUT_RING(fb->pitch | obj->tiling_mode);