drm/i915: Polish the chv cmnlane resrt macros
Replace the semi-funky cmnlane assert/deassert macros with something a
bit more conventional. Also protect the macro arguments properly (also
for PHY_POWERGOOD()).
Reviewed-by: Rafael Barbalho <rafael.barbalho@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index fbdb08f..468ef09 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -1697,12 +1697,9 @@
#define DPIO_PHY_STATUS (VLV_DISPLAY_BASE + 0x6240)
#define DPLL_PORTD_READY_MASK (0xf)
#define DISPLAY_PHY_CONTROL (VLV_DISPLAY_BASE + 0x60100)
-#define PHY_COM_LANE_RESET_DEASSERT(phy, val) \
- ((phy == DPIO_PHY0) ? (val | 1) : (val | 2))
-#define PHY_COM_LANE_RESET_ASSERT(phy, val) \
- ((phy == DPIO_PHY0) ? (val & ~1) : (val & ~2))
+#define PHY_COM_LANE_RESET_DEASSERT(phy) (1 << (phy))
#define DISPLAY_PHY_STATUS (VLV_DISPLAY_BASE + 0x60104)
-#define PHY_POWERGOOD(phy) ((phy == DPIO_PHY0) ? (1<<31) : (1<<30))
+#define PHY_POWERGOOD(phy) (((phy) == DPIO_PHY0) ? (1<<31) : (1<<30))
/*
* The i830 generation, in LVDS mode, defines P1 as the bit number set within
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index aaae228..42bb329 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -6359,8 +6359,8 @@
if (wait_for(I915_READ(DISPLAY_PHY_STATUS) & PHY_POWERGOOD(phy), 1))
DRM_ERROR("Display PHY %d is not power up\n", phy);
- I915_WRITE(DISPLAY_PHY_CONTROL,
- PHY_COM_LANE_RESET_DEASSERT(phy, I915_READ(DISPLAY_PHY_CONTROL)));
+ I915_WRITE(DISPLAY_PHY_CONTROL, I915_READ(DISPLAY_PHY_CONTROL) |
+ PHY_COM_LANE_RESET_DEASSERT(phy));
}
static void chv_dpio_cmn_power_well_disable(struct drm_i915_private *dev_priv,
@@ -6380,8 +6380,8 @@
assert_pll_disabled(dev_priv, PIPE_C);
}
- I915_WRITE(DISPLAY_PHY_CONTROL,
- PHY_COM_LANE_RESET_ASSERT(phy, I915_READ(DISPLAY_PHY_CONTROL)));
+ I915_WRITE(DISPLAY_PHY_CONTROL, I915_READ(DISPLAY_PHY_CONTROL) &
+ ~PHY_COM_LANE_RESET_DEASSERT(phy));
vlv_set_power_well(dev_priv, power_well, false);
}