[Intel-gfx] [PATCH 5/8] drm/i915: Use intel_de_rmw() for DBUF_POWER_REQUEST

[Ville Syrjala]

From: Ville Syrjälä <ville.syrjala at linux.intel.com>

Use intel_de_rmw() instead of hand rolling it.

Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
---
 drivers/gpu/drm/i915/display/intel_display_power.c | 9 ++-------
 1 file changed, 2 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c
index 0435103082eb..528fbede0ee7 100644
--- a/drivers/gpu/drm/i915/display/intel_display_power.c
+++ b/drivers/gpu/drm/i915/display/intel_display_power.c
@@ -4757,14 +4757,9 @@ static void gen9_dbuf_slice_set(struct drm_i915_private *dev_priv,
 {
 	i915_reg_t reg = DBUF_CTL_S(slice);
 	bool state;
-	u32 val;
 
-	val = intel_de_read(dev_priv, reg);
-	if (enable)
-		val |= DBUF_POWER_REQUEST;
-	else
-		val &= ~DBUF_POWER_REQUEST;
-	intel_de_write(dev_priv, reg, val);
+	intel_de_rmw(dev_priv, reg, DBUF_POWER_REQUEST,
+		     enable ? DBUF_POWER_REQUEST : 0);
 	intel_de_posting_read(dev_priv, reg);
 	udelay(10);
 
-- 
2.26.3