Merge tag 'drm-intel-fixes-2014-06-06' of git://anongit.freedesktop.org/drm-intel into drm-next

> Bunch of stuff for 3.16 still:
> - Mipi dsi panel support for byt. Finally! From Shobhit&others. I've
>   squeezed this in since it's a regression compared to vbios and we've
>   been ridiculed about it a bit too often ...
> - connection_mutex deadlock fix in get_connector (only affects i915).
> - Core patches from Matt's primary plane from Matt Roper, I've pushed the
>   i915 stuff to 3.17.
> - vlv power well sequencing fixes from Jesse.
> - Fix for cursor size changes from Chris.
> - agpbusy fixes from Ville.
> - A few smaller things.
>

* tag 'drm-intel-fixes-2014-06-06' of git://anongit.freedesktop.org/drm-intel: (32 commits)
  drm/i915: BDW: Adding missing cursor offsets.
  drm: Fix getconnector connection_mutex locking
  drm/i915/bdw: Only use 2g GGTT for 32b platforms
  drm/i915: Nuke pipe A quirk on i830M
  drm/i915: fix display power sw state reporting
  drm/i915: Always apply cursor width changes
  drm/i915: tell the user if both KMS and UMS are disabled
  drm/plane-helper: Add drm_plane_helper_check_update() (v3)
  drm: Check CRTC compatibility in setplane
  drm/i915: use VBT to determine whether to enumerate the VGA port
  drm/i915: Don't WARN about ring idle bit on gen2
  drm/i915: Silence the WARN if the user tries to GTT mmap an incoherent object
  drm/i915: Move the C3 LP write bit setup to gen3_init_clock_gating() for KMS
  drm/i915: Enable interrupt-based AGPBUSY# enable on 85x
  drm/i915: Flip the sense of AGPBUSY_DIS bit
  drm/i915: Set AGPBUSY# bit in init_clock_gating
  drm/i915/vlv: add pll assertion when disabling DPIO common well
  drm/i915/vlv: move DPIO common reset de-assert into __vlv_set_power_well
  drm/i915/vlv: re-order power wells so DPIO common comes after TX
  drm/i915/vlv: move CRI refclk enable into __vlv_set_power_well
  ...

1 files changed, 25 insertions, 5 deletions

diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c
index 2525cdd5234..02f99d768d4 100644
--- a/drivers/gpu/drm/i915/intel_dsi.c
+++ b/drivers/gpu/drm/i915/intel_dsi.c
@@ -35,6 +35,11 @@
 
 /* the sub-encoders aka panel drivers */
 static const struct intel_dsi_device intel_dsi_devices[] = {
+	{
+		.panel_id = MIPI_DSI_GENERIC_PANEL_ID,
+		.name = "vbt-generic-dsi-vid-mode-display",
+		.dev_ops = &vbt_generic_dsi_display_ops,
+	},
 };
 
 static void band_gap_reset(struct drm_i915_private *dev_priv)
@@ -201,6 +206,19 @@ static void intel_dsi_enable_nop(struct intel_encoder *encoder)
 	 */
 }
 
+static void intel_dsi_pre_disable(struct intel_encoder *encoder)
+{
+	struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
+
+	DRM_DEBUG_KMS("\n");
+
+	if (is_vid_mode(intel_dsi)) {
+		/* Send Shutdown command to the panel in LP mode */
+		dpi_send_cmd(intel_dsi, SHUTDOWN, DPI_LP_MODE_EN);
+		msleep(10);
+	}
+}
+
 static void intel_dsi_disable(struct intel_encoder *encoder)
 {
 	struct drm_device *dev = encoder->base.dev;
@@ -213,10 +231,6 @@ static void intel_dsi_disable(struct intel_encoder *encoder)
 	DRM_DEBUG_KMS("\n");
 
 	if (is_vid_mode(intel_dsi)) {
-		/* Send Shutdown command to the panel in LP mode */
-		dpi_send_cmd(intel_dsi, SHUTDOWN, DPI_LP_MODE_EN);
-		msleep(10);
-
 		/* de-assert ip_tg_enable signal */
 		temp = I915_READ(MIPI_PORT_CTRL(pipe));
 		I915_WRITE(MIPI_PORT_CTRL(pipe), temp & ~DPI_ENABLE);
@@ -288,6 +302,8 @@ static void intel_dsi_post_disable(struct intel_encoder *encoder)
 
 	DRM_DEBUG_KMS("\n");
 
+	intel_dsi_disable(encoder);
+
 	intel_dsi_clear_device_ready(encoder);
 
 	val = I915_READ(DSPCLK_GATE_D);
@@ -655,6 +671,10 @@ bool intel_dsi_init(struct drm_device *dev)
 
 	DRM_DEBUG_KMS("\n");
 
+	/* There is no detection method for MIPI so rely on VBT */
+	if (!dev_priv->vbt.has_mipi)
+		return false;
+
 	intel_dsi = kzalloc(sizeof(*intel_dsi), GFP_KERNEL);
 	if (!intel_dsi)
 		return false;
@@ -686,7 +706,7 @@ bool intel_dsi_init(struct drm_device *dev)
 	intel_encoder->pre_pll_enable = intel_dsi_pre_pll_enable;
 	intel_encoder->pre_enable = intel_dsi_pre_enable;
 	intel_encoder->enable = intel_dsi_enable_nop;
-	intel_encoder->disable = intel_dsi_disable;
+	intel_encoder->disable = intel_dsi_pre_disable;
 	intel_encoder->post_disable = intel_dsi_post_disable;
 	intel_encoder->get_hw_state = intel_dsi_get_hw_state;
 	intel_encoder->get_config = intel_dsi_get_config;