[PATCH 08/16] drm/i915/de: Introduce intel_de_wait_for_{set, clear}_us()

[Ville Syrjala <ville.syrjala@linux.intel.com>]

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

Add intel_de_wait_for_set_us() and intel_de_wait_for_clear_us()
as the microsecond counterparts to intel_de_wait_for_set_ms()
and intel_de_wait_for_clear_ms().

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
---
 drivers/gpu/drm/i915/display/intel_de.h | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_de.h b/drivers/gpu/drm/i915/display/intel_de.h
index 2566079f695e..a82da6443af9 100644
--- a/drivers/gpu/drm/i915/display/intel_de.h
+++ b/drivers/gpu/drm/i915/display/intel_de.h
@@ -165,6 +165,20 @@ intel_de_wait_fw_ms(struct intel_display *display, i915_reg_t reg,
 	return ret;
 }
 
+static inline int
+intel_de_wait_for_set_us(struct intel_display *display, i915_reg_t reg,
+			 u32 mask, unsigned int timeout_us)
+{
+	return intel_de_wait_us(display, reg, mask, mask, timeout_us, NULL);
+}
+
+static inline int
+intel_de_wait_for_clear_us(struct intel_display *display, i915_reg_t reg,
+			   u32 mask, unsigned int timeout_us)
+{
+	return intel_de_wait_us(display, reg, mask, 0, timeout_us, NULL);
+}
+
 static inline int
 intel_de_wait_for_set_ms(struct intel_display *display, i915_reg_t reg,
 			 u32 mask, unsigned int timeout_ms)
-- 
2.49.1