[PATCH 2/6] drm/i915: use compute_config in set_config

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This will allow us to consult more info before deciding whether to flip
or do a full mode set.

Signed-off-by: Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/i915/intel_display.c | 36 ++++++++++++++++++++++++++++++------
 1 file changed, 30 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index d5f95e4..e031ee8 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -11427,6 +11427,7 @@ static int intel_crtc_set_config(struct drm_mode_set *set)
 	struct drm_device *dev;
 	struct drm_mode_set save_set;
 	struct intel_set_config *config;
+	unsigned modeset_pipes, prepare_pipes, disable_pipes;
 	int ret;
 
 	BUG_ON(!set);
@@ -11472,9 +11473,17 @@ static int intel_crtc_set_config(struct drm_mode_set *set)
 	if (ret)
 		goto fail;
 
+	ret = intel_modeset_compute_config(set->crtc, set->mode, set->fb,
+					   &modeset_pipes, &prepare_pipes,
+					   &disable_pipes);
+	if (ret)
+		goto fail;
+
 	if (config->mode_changed) {
-		ret = intel_set_mode(set->crtc, set->mode,
-				     set->x, set->y, set->fb);
+		ret = intel_set_mode_pipes(set->crtc, set->mode,
+					   set->x, set->y, set->fb,
+					   modeset_pipes, prepare_pipes,
+					   disable_pipes);
 	} else if (config->fb_changed) {
 		struct intel_crtc *intel_crtc = to_intel_crtc(set->crtc);
 
@@ -11521,8 +11530,10 @@ fail:
 
 		/* Try to restore the config */
 		if (config->mode_changed &&
-		    intel_set_mode(save_set.crtc, save_set.mode,
-				   save_set.x, save_set.y, save_set.fb))
+		    intel_set_mode_pipes(save_set.crtc, save_set.mode,
+					 save_set.x, save_set.y, save_set.fb,
+					 modeset_pipes, prepare_pipes,
+					 disable_pipes))
 			DRM_ERROR("failed to restore config after modeset failure\n");
 	}
 
@@ -13409,14 +13420,27 @@ void intel_modeset_setup_hw_state(struct drm_device *dev,
 		for_each_pipe(dev_priv, pipe) {
 			struct drm_crtc *crtc =
 				dev_priv->pipe_to_crtc_mapping[pipe];
+			unsigned modeset_pipes, prepare_pipes, disable_pipes;
+			int ret;
+
+			ret = intel_modeset_compute_config(crtc, &crtc->mode,
+							   crtc->primary->fb,
+							   &modeset_pipes,
+							   &prepare_pipes,
+							   &disable_pipes);
+			if (ret) {
+				DRM_DEBUG_KMS("prepare failed\n");
+				goto out;
+			}
 
 			__intel_set_mode(crtc, &crtc->mode, crtc->x, crtc->y,
-					 crtc->primary->fb);
+					 crtc->primary->fb, modeset_pipes,
+					 prepare_pipes, disable_pipes);
 		}
 	} else {
 		intel_modeset_update_staged_output_state(dev);
 	}
-
+out:
 	intel_modeset_check_state(dev);
 }
 
-- 
1.9.1

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