From: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
Date: Fri, 20 Mar 2015 14:18:08 +0000 (+0200)
Subject: drm/i915: Don't use encoder->new_crtc in intel_modeset_pipe_config()
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=0b9018793939970aad49e4e0ed21f0fd0db74e4a;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git

drm/i915: Don't use encoder->new_crtc in intel_modeset_pipe_config()

Move towards atomic by using the legacy modeset's drm_atomic_state
instead.

v2: Move call to drm_atomic_add_affected_connectors() to
    intel_modeset_compute_config(). (Daniel)

Signed-off-by: Ander Conselvan de Oliveira <ander.conselvan.de.oliveira@intel.com>
[danvet: Resurrect the ret local variable which I've dropped from an
earlier patch and which is now needed.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index c0fa9df51008..afceb5836af7 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -10538,8 +10538,11 @@ intel_modeset_pipe_config(struct drm_crtc *crtc,
 {
 	struct drm_device *dev = crtc->dev;
 	struct intel_encoder *encoder;
+	struct intel_connector *connector;
+	struct drm_connector_state *connector_state;
 	struct intel_crtc_state *pipe_config;
 	int plane_bpp, ret = -EINVAL;
+	int i;
 	bool retry = true;
 
 	if (!check_encoder_cloning(to_intel_crtc(crtc))) {
@@ -10613,11 +10616,17 @@ encoder_retry:
 	 * adjust it according to limitations or connector properties, and also
 	 * a chance to reject the mode entirely.
 	 */
-	for_each_intel_encoder(dev, encoder) {
+	for (i = 0; i < state->num_connector; i++) {
+		connector = to_intel_connector(state->connectors[i]);
+		if (!connector)
+			continue;
 
-		if (&encoder->new_crtc->base != crtc)
+		connector_state = state->connector_states[i];
+		if (connector_state->crtc != crtc)
 			continue;
 
+		encoder = to_intel_encoder(connector_state->best_encoder);
+
 		if (!(encoder->compute_config(encoder, pipe_config))) {
 			DRM_DEBUG_KMS("Encoder config failure\n");
 			goto fail;
@@ -11339,6 +11348,11 @@ intel_modeset_compute_config(struct drm_crtc *crtc,
 	struct drm_device *dev = crtc->dev;
 	struct intel_crtc_state *pipe_config = NULL;
 	struct intel_crtc *intel_crtc;
+	int ret = 0;
+
+	ret = drm_atomic_add_affected_connectors(state, crtc);
+	if (ret)
+		return ERR_PTR(ret);
 
 	intel_modeset_affected_pipes(crtc, modeset_pipes,
 				     prepare_pipes, disable_pipes);