Leave adjustment of backlight to the driver.

1 files changed, 10 insertions, 45 deletions

diff --git a/src/intel_display.c b/src/intel_display.c
index 4da27906..c9451042 100644
--- a/src/intel_display.c
+++ b/src/intel_display.c
@@ -80,6 +80,7 @@ struct intel_property {
 struct intel_output {
 	struct intel_mode *mode;
 	int output_id;
+	int dpms_id;
 	drmModeConnectorPtr mode_output;
 	drmModeEncoderPtr mode_encoder;
 	int num_props;
@@ -861,56 +862,16 @@ intel_output_destroy(xf86OutputPtr output)
 }
 
 static void
-intel_output_dpms_backlight(xf86OutputPtr output, int oldmode, int mode)
-{
-	struct intel_output *intel_output = output->driver_private;
-
-	if (!intel_output->backlight_iface)
-		return;
-
-	if (mode == DPMSModeOn) {
-		/* If we're going from off->on we may need to turn on the backlight. */
-		if (oldmode != DPMSModeOn)
-			intel_output_backlight_set(output,
-						   intel_output->backlight_active_level);
-	} else {
-		/* Only save the current backlight value if we're going from on to off. */
-		if (oldmode == DPMSModeOn)
-			intel_output->backlight_active_level = intel_output_backlight_get(output);
-		intel_output_backlight_set(output, 0);
-	}
-}
-
-static void
 intel_output_dpms(xf86OutputPtr output, int dpms)
 {
 	struct intel_output *intel_output = output->driver_private;
-	drmModeConnectorPtr koutput = intel_output->mode_output;
 	struct intel_mode *mode = intel_output->mode;
-	int i;
 
-	for (i = 0; i < koutput->count_props; i++) {
-		drmModePropertyPtr props;
-
-		props = drmModeGetProperty(mode->fd, koutput->props[i]);
-		if (!props)
-			continue;
-
-		if (!strcmp(props->name, "DPMS")) {
-			drmModeConnectorSetProperty(mode->fd,
-						    intel_output->output_id,
-						    props->prop_id,
-						    dpms);
-			intel_output_dpms_backlight(output,
-						      intel_output->dpms_mode,
-						      dpms);
-			intel_output->dpms_mode = dpms;
-			drmModeFreeProperty(props);
-			return;
-		}
-
-		drmModeFreeProperty(props);
-	}
+	drmModeConnectorSetProperty(mode->fd,
+				    intel_output->output_id,
+				    intel_output->dpms_id,
+				    dpms);
+	intel_output->dpms_mode = dpms;
 }
 
 int
@@ -961,6 +922,10 @@ intel_output_create_resources(xf86OutputPtr output)
 
 		drmmode_prop = drmModeGetProperty(mode->fd,
 						  mode_output->props[i]);
+
+		if (!strcmp(drmmode_prop->name, "DPMS"))
+			intel_output->dpms_id = drmmode_prop->prop_id;
+
 		if (intel_property_ignore(drmmode_prop)) {
 			drmModeFreeProperty(drmmode_prop);
 			continue;