[Intel-gfx] [PATCH] drm/i915: Remove the random SyncFlush during initialisation

[Chris Wilson]

We have no idea why we request a SyncFlush via INSTPM at that point in
time -- we certainly never check for its completion...

Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/i915_dma.c |    6 ------
 1 files changed, 0 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 3675134..6803065 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -1438,12 +1438,6 @@ static int i915_load_modeset_init(struct drm_device *dev,
 	/* FIXME: do pre/post-mode set stuff in core KMS code */
 	dev->vblank_disable_allowed = 1;
 
-	/*
-	 * Initialize the hardware status page IRQ location.
-	 */
-
-	I915_WRITE(INSTPM, (1 << 5) | (1 << 21));
-
 	ret = intel_fbdev_init(dev);
 	if (ret)
 		goto cleanup_irq;
-- 
1.7.1