[Intel-gfx] [PATCH] drm/i915/huc: Use helper function while waiting for DMA completion

[Michal Wajdeczko]

Waiting for DMA status register can be done with dedicated function.
Lets use it as additional bonus will be smaller driver footprint.

Signed-off-by: Michal Wajdeczko <michal.wajdeczko at intel.com>
Cc: Chris Wilson <chris at chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
---
 drivers/gpu/drm/i915/intel_huc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_huc.c b/drivers/gpu/drm/i915/intel_huc.c
index c8a48cb..98d1725 100644
--- a/drivers/gpu/drm/i915/intel_huc.c
+++ b/drivers/gpu/drm/i915/intel_huc.c
@@ -151,7 +151,7 @@ static int huc_ucode_xfer(struct intel_uc_fw *huc_fw, struct i915_vma *vma)
 	I915_WRITE(DMA_CTRL, _MASKED_BIT_ENABLE(HUC_UKERNEL | START_DMA));
 
 	/* Wait for DMA to finish */
-	ret = wait_for((I915_READ(DMA_CTRL) & START_DMA) == 0, 100);
+	ret = intel_wait_for_register_fw(dev_priv, DMA_CTRL, START_DMA, 0, 100);
 
 	DRM_DEBUG_DRIVER("HuC DMA transfer wait over with ret %d\n", ret);
 
-- 
2.7.4