drm/i915/dvo: call ->mode_set callback only when the port is running

[platform/adaptation/renesas_rcar/renesas_kernel.git] / drivers / gpu / drm / i915 / intel_dvo.c

diff --git a/drivers/gpu/drm/i915/intel_dvo.c b/drivers/gpu/drm/i915/intel_dvo.c
index 1b64145..3c77365 100644 (file)
--- a/drivers/gpu/drm/i915/intel_dvo.c
+++ b/drivers/gpu/drm/i915/intel_dvo.c
@@ -173,11 +173,16 @@ static void intel_enable_dvo(struct intel_encoder *encoder)
 {
        struct drm_i915_private *dev_priv = encoder->base.dev->dev_private;
        struct intel_dvo *intel_dvo = enc_to_dvo(encoder);
+       struct intel_crtc *crtc = to_intel_crtc(encoder->base.crtc);
        u32 dvo_reg = intel_dvo->dev.dvo_reg;
        u32 temp = I915_READ(dvo_reg);
 
        I915_WRITE(dvo_reg, temp | DVO_ENABLE);
        I915_READ(dvo_reg);
+       intel_dvo->dev.dev_ops->mode_set(&intel_dvo->dev,
+                                        &crtc->config.requested_mode,
+                                        &crtc->config.adjusted_mode);
+
        intel_dvo->dev.dev_ops->dpms(&intel_dvo->dev, true);
 }
 
@@ -186,6 +191,7 @@ static void intel_dvo_dpms(struct drm_connector *connector, int mode)
 {
        struct intel_dvo *intel_dvo = intel_attached_dvo(connector);
        struct drm_crtc *crtc;
+       struct intel_crtc_config *config;
 
        /* dvo supports only 2 dpms states. */
        if (mode != DRM_MODE_DPMS_ON)
@@ -206,10 +212,16 @@ static void intel_dvo_dpms(struct drm_connector *connector, int mode)
        /* We call connector dpms manually below in case pipe dpms doesn't
         * change due to cloning. */
        if (mode == DRM_MODE_DPMS_ON) {
+               config = &to_intel_crtc(crtc)->config;
+
                intel_dvo->base.connectors_active = true;
 
                intel_crtc_update_dpms(crtc);
 
+               intel_dvo->dev.dev_ops->mode_set(&intel_dvo->dev,
+                                                &config->requested_mode,
+                                                &config->adjusted_mode);
+
                intel_dvo->dev.dev_ops->dpms(&intel_dvo->dev, true);
        } else {
                intel_dvo->dev.dev_ops->dpms(&intel_dvo->dev, false);
@@ -296,10 +308,6 @@ static void intel_dvo_mode_set(struct intel_encoder *encoder)
                break;
        }
 
-       intel_dvo->dev.dev_ops->mode_set(&intel_dvo->dev,
-                                        &crtc->config.requested_mode,
-                                        adjusted_mode);
-
        /* Save the data order, since I don't know what it should be set to. */
        dvo_val = I915_READ(dvo_reg) &
                  (DVO_PRESERVE_MASK | DVO_DATA_ORDER_GBRG);