drm/i915: Introduce with_intel_display_power_if_enabled()

Add the _if_enabled() counterpart to with_intel_display_power().

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210913144440.23008-7-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>

diff --git a/drivers/gpu/drm/i915/display/intel_display_power.h b/drivers/gpu/drm/i915/display/intel_display_power.h
index 9785318..0612e4b 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_display_power.h
+++ b/drivers/gpu/drm/i915/display/intel_display_power.h
@@ -410,6 +410,10 @@ void gen9_dbuf_slices_update(struct drm_i915_private *dev_priv,
        for ((wf) = intel_display_power_get((i915), (domain)); (wf); \
             intel_display_power_put_async((i915), (domain), (wf)), (wf) = 0)
 
+#define with_intel_display_power_if_enabled(i915, domain, wf) \
+       for ((wf) = intel_display_power_get_if_enabled((i915), (domain)); (wf); \
+            intel_display_power_put_async((i915), (domain), (wf)), (wf) = 0)
+
 void chv_phy_powergate_lanes(struct intel_encoder *encoder,
                             bool override, unsigned int mask);
 bool chv_phy_powergate_ch(struct drm_i915_private *dev_priv, enum dpio_phy phy,