drm/i915/de: Introduce intel_de_wait_for_{set,clear}_us()

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>
Link: https://patch.msgid.link/20251110172756.2132-9-ville.syrjala@linux.intel.com
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Acked-by: Jani Nikula <jani.nikula@intel.com>

diff --git a/drivers/gpu/drm/i915/display/intel_de.h b/drivers/gpu/drm/i915/display/intel_de.h
index 2566079f695e2809507ccacab0f886693284a4eb..a82da6443af910b8f3992cc68d859bf1196e3d6a 100644 (file)
--- 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)