From: Jani Nikula <jani.nikula@intel.com>
Date: Fri, 1 Apr 2016 07:44:41 +0000 (+0300)
Subject: drm/i915: use for_each_port_masked in bxt phy init for clarity
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=11b538cd6df398c86f4f0e09049c41e3058af10d;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

drm/i915: use for_each_port_masked in bxt phy init for clarity

Make it easier to see which ports are configured for each phy. No
functional changes.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Ander Conselvan de Oliveira <conselvan2@gmail.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1459496681-398-1-git-send-email-jani.nikula@intel.com
---

diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index 3d62b601188f..2758622a5c2d 100644
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -1726,7 +1726,7 @@ static void broxton_phy_init(struct drm_i915_private *dev_priv,
 			     enum dpio_phy phy)
 {
 	enum port port;
-	uint32_t val;
+	u32 ports, val;
 
 	val = I915_READ(BXT_P_CR_GT_DISP_PWRON);
 	val |= GT_DISPLAY_POWER_ON(phy);
@@ -1745,8 +1745,12 @@ static void broxton_phy_init(struct drm_i915_private *dev_priv,
 		DRM_ERROR("timeout during PHY%d power on\n", phy);
 	}
 
-	for (port =  (phy == DPIO_PHY0 ? PORT_B : PORT_A);
-	     port <= (phy == DPIO_PHY0 ? PORT_C : PORT_A); port++) {
+	if (phy == DPIO_PHY0)
+		ports = BIT(PORT_B) | BIT(PORT_C);
+	else
+		ports = BIT(PORT_A);
+
+	for_each_port_masked(port, ports) {
 		int lane;
 
 		for (lane = 0; lane < 4; lane++) {