[Intel-gfx] [RFC 11/39] drm/i915: Force MMIO flips when scheduler enabled

[John.C.Harrison at Intel.com]

From: John Harrison <John.C.Harrison at Intel.com>

Change-Id: Ice071af6d88306b0d1c53bdb651a1a3e20bdc1af
For: VIZ-1587
Signed-off-by: John Harrison <John.C.Harrison at Intel.com>
---
 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 b9e8113..9629dab 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -44,6 +44,7 @@
 #include <drm/drm_plane_helper.h>
 #include <drm/drm_rect.h>
 #include <linux/dma_remapping.h>
+#include "i915_scheduler.h"
 
 /* Primary plane formats for gen <= 3 */
 static const uint32_t i8xx_primary_formats[] = {
@@ -11180,6 +11181,8 @@ static bool use_mmio_flip(struct intel_engine_cs *ring,
 		return true;
 	else if (i915.enable_execlists)
 		return true;
+	else if (i915_scheduler_is_enabled(ring->dev))
+		return true;
 	else
 		return ring != i915_gem_request_get_ring(obj->last_write_req);
 }
-- 
1.9.1