[Intel-gfx] [PATCH 1/3] drm/i915: Add encoder .off() hook

[ville.syrjala at linux.intel.com]

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

Add an encoder specific hook to be called alongside the crtc .off()
hook.

Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
---
 drivers/gpu/drm/i915/intel_display.c | 5 +++++
 drivers/gpu/drm/i915/intel_drv.h     | 1 +
 2 files changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index ec96002..e5b336e 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -4343,6 +4343,7 @@ void intel_crtc_update_dpms(struct drm_crtc *crtc)
 static void intel_crtc_disable(struct drm_crtc *crtc)
 {
 	struct drm_device *dev = crtc->dev;
+	struct intel_encoder *intel_encoder;
 	struct drm_connector *connector;
 	struct drm_i915_private *dev_priv = dev->dev_private;
 	struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
@@ -4359,6 +4360,10 @@ static void intel_crtc_disable(struct drm_crtc *crtc)
 	assert_cursor_disabled(dev_priv, to_intel_crtc(crtc)->pipe);
 	assert_pipe_disabled(dev->dev_private, to_intel_crtc(crtc)->pipe);
 
+	for_each_encoder_on_crtc(dev, crtc, intel_encoder)
+		if (intel_encoder->off)
+			intel_encoder->off(intel_encoder);
+
 	if (crtc->fb) {
 		mutex_lock(&dev->struct_mutex);
 		intel_unpin_fb_obj(to_intel_framebuffer(crtc->fb)->obj);
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 7b3c209..48ad05c 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -139,6 +139,7 @@ struct intel_encoder {
 	void (*mode_set)(struct intel_encoder *intel_encoder);
 	void (*disable)(struct intel_encoder *);
 	void (*post_disable)(struct intel_encoder *);
+	void (*off)(struct intel_encoder *);
 	/* Read out the current hw state of this connector, returning true if
 	 * the encoder is active. If the encoder is enabled it also set the pipe
 	 * it is connected to in the pipe parameter. */
-- 
1.8.3.2