Merge tag 'drm-fixes-2018-06-22' of git://anongit.freedesktop.org/drm/drm

Pull drm fixes from Dave Airlie:
 "Just run of the mill fixes,

  core:
   - regression fix in device unplug

  qxl:
   - regression fix for might sleep in cursor handling

  nouveau:
   - regression fix in multi-screen cursor handling

  amdgpu:
   - switch off DC by default on Kaveri and older
   - some minor fixes

  i915:
   - some GEM regression fixes
   - doublescan mode fixes

  sun4i:
   - revert fix for a regression

  sii8620 bridge:
   - misc fixes"

* tag 'drm-fixes-2018-06-22' of git://anongit.freedesktop.org/drm/drm: (28 commits)
  drm/bridge/sii8620: fix display of packed pixel modes in MHL2
  drm/amdgpu: Make amdgpu_vram_mgr_bo_invisible_size always accurate
  drm/amdgpu: Refactor amdgpu_vram_mgr_bo_invisible_size helper
  drm/amdgpu: Update pin_size values before unpinning BO
  drm/amdgpu:All UVD instances share one idle_work handle
  drm/amdgpu: Don't default to DC support for Kaveri and older
  drm/amdgpu: Use kvmalloc_array for allocating VRAM manager nodes array
  drm/amd/pp: Fix uninitialized variable
  drm/i915: Enable provoking vertex fix on Gen9 systems.
  drm/i915: Fix context ban and hang accounting for client
  drm/i915: Turn off g4x DP port in .post_disable()
  drm/i915: Disallow interlaced modes on g4x DP outputs
  drm/i915: Fix PIPESTAT irq ack on i965/g4x
  drm/i915: Allow DBLSCAN user modes with eDP/LVDS/DSI
  drm/i915/execlists: Avoid putting the error pointer
  drm/i915: Apply batch location restrictions before pinning
  drm/nouveau/kms/nv50-: cursors always use core channel vram ctxdma
  Revert "drm/sun4i: Handle DRM_BUS_FLAG_PIXDATA_*EDGE"
  drm/atmel-hlcdc: check stride values in the first plane
  drm/bridge/sii8620: fix HDMI cable connection to dongle
  ...

1 files changed, 16 insertions, 18 deletions

diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 8320f0e8e3be..16faea30114a 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -420,6 +420,9 @@ intel_dp_mode_valid(struct drm_connector *connector,
 	int max_rate, mode_rate, max_lanes, max_link_clock;
 	int max_dotclk;
 
+	if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
+		return MODE_NO_DBLESCAN;
+
 	max_dotclk = intel_dp_downstream_max_dotclock(intel_dp);
 
 	if (intel_dp_is_edp(intel_dp) && fixed_mode) {
@@ -1862,7 +1865,10 @@ intel_dp_compute_config(struct intel_encoder *encoder,
 						conn_state->scaling_mode);
 	}
 
-	if ((IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) &&
+	if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN)
+		return false;
+
+	if (HAS_GMCH_DISPLAY(dev_priv) &&
 	    adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE)
 		return false;
 
@@ -2784,16 +2790,6 @@ static void g4x_disable_dp(struct intel_encoder *encoder,
 			   const struct drm_connector_state *old_conn_state)
 {
 	intel_disable_dp(encoder, old_crtc_state, old_conn_state);
-
-	/* disable the port before the pipe on g4x */
-	intel_dp_link_down(encoder, old_crtc_state);
-}
-
-static void ilk_disable_dp(struct intel_encoder *encoder,
-			   const struct intel_crtc_state *old_crtc_state,
-			   const struct drm_connector_state *old_conn_state)
-{
-	intel_disable_dp(encoder, old_crtc_state, old_conn_state);
 }
 
 static void vlv_disable_dp(struct intel_encoder *encoder,
@@ -2807,13 +2803,19 @@ static void vlv_disable_dp(struct intel_encoder *encoder,
 	intel_disable_dp(encoder, old_crtc_state, old_conn_state);
 }
 
-static void ilk_post_disable_dp(struct intel_encoder *encoder,
+static void g4x_post_disable_dp(struct intel_encoder *encoder,
 				const struct intel_crtc_state *old_crtc_state,
 				const struct drm_connector_state *old_conn_state)
 {
 	struct intel_dp *intel_dp = enc_to_intel_dp(&encoder->base);
 	enum port port = encoder->port;
 
+	/*
+	 * Bspec does not list a specific disable sequence for g4x DP.
+	 * Follow the ilk+ sequence (disable pipe before the port) for
+	 * g4x DP as it does not suffer from underruns like the normal
+	 * g4x modeset sequence (disable pipe after the port).
+	 */
 	intel_dp_link_down(encoder, old_crtc_state);
 
 	/* Only ilk+ has port A */
@@ -6337,7 +6339,7 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port,
 	drm_connector_init(dev, connector, &intel_dp_connector_funcs, type);
 	drm_connector_helper_add(connector, &intel_dp_connector_helper_funcs);
 
-	if (!IS_VALLEYVIEW(dev_priv) && !IS_CHERRYVIEW(dev_priv))
+	if (!HAS_GMCH_DISPLAY(dev_priv))
 		connector->interlace_allowed = true;
 	connector->doublescan_allowed = 0;
 
@@ -6436,15 +6438,11 @@ bool intel_dp_init(struct drm_i915_private *dev_priv,
 		intel_encoder->enable = vlv_enable_dp;
 		intel_encoder->disable = vlv_disable_dp;
 		intel_encoder->post_disable = vlv_post_disable_dp;
-	} else if (INTEL_GEN(dev_priv) >= 5) {
-		intel_encoder->pre_enable = g4x_pre_enable_dp;
-		intel_encoder->enable = g4x_enable_dp;
-		intel_encoder->disable = ilk_disable_dp;
-		intel_encoder->post_disable = ilk_post_disable_dp;
 	} else {
 		intel_encoder->pre_enable = g4x_pre_enable_dp;
 		intel_encoder->enable = g4x_enable_dp;
 		intel_encoder->disable = g4x_disable_dp;
+		intel_encoder->post_disable = g4x_post_disable_dp;
 	}
 
 	intel_dig_port->dp.output_reg = output_reg;