drm/i915/glk: Add Quirk for GLK NUC HDMI port issues.

[linux-2.6-microblaze.git] / drivers / gpu / drm / i915 / intel_display.c

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 2cc6faa..dec0d60 100644 (file)
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -5809,7 +5809,7 @@ static void haswell_crtc_disable(struct intel_crtc_state *old_crtc_state,
                intel_ddi_set_vc_payload_alloc(intel_crtc->config, false);
 
        if (!transcoder_is_dsi(cpu_transcoder))
-               intel_ddi_disable_transcoder_func(dev_priv, cpu_transcoder);
+               intel_ddi_disable_transcoder_func(old_crtc_state);
 
        if (INTEL_GEN(dev_priv) >= 9)
                skylake_scaler_disable(intel_crtc);
@@ -14646,6 +14646,18 @@ static void quirk_increase_t12_delay(struct drm_device *dev)
        DRM_INFO("Applying T12 delay quirk\n");
 }
 
+/*
+ * GeminiLake NUC HDMI outputs require additional off time
+ * this allows the onboard retimer to correctly sync to signal
+ */
+static void quirk_increase_ddi_disabled_time(struct drm_device *dev)
+{
+       struct drm_i915_private *dev_priv = to_i915(dev);
+
+       dev_priv->quirks |= QUIRK_INCREASE_DDI_DISABLED_TIME;
+       DRM_INFO("Applying Increase DDI Disabled quirk\n");
+}
+
 struct intel_quirk {
        int device;
        int subsystem_vendor;
@@ -14732,6 +14744,13 @@ static struct intel_quirk intel_quirks[] = {
 
        /* Toshiba Satellite P50-C-18C */
        { 0x191B, 0x1179, 0xF840, quirk_increase_t12_delay },
+
+       /* GeminiLake NUC */
+       { 0x3185, 0x8086, 0x2072, quirk_increase_ddi_disabled_time },
+       { 0x3184, 0x8086, 0x2072, quirk_increase_ddi_disabled_time },
+       /* ASRock ITX*/
+       { 0x3185, 0x1849, 0x2212, quirk_increase_ddi_disabled_time },
+       { 0x3184, 0x1849, 0x2212, quirk_increase_ddi_disabled_time },
 };
 
 static void intel_init_quirks(struct drm_device *dev)