From 11b538cd6df398c86f4f0e09049c41e3058af10d Mon Sep 17 00:00:00 2001
From: Jani Nikula <jani.nikula@intel.com>
Date: Fri, 1 Apr 2016 10:44:41 +0300
Subject: [PATCH] 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
---
drivers/gpu/drm/i915/intel_ddi.c | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index 3d62b601188f5..2758622a5c2d0 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++) {