[BXT,MIPI,v2,01/13] drm/i915/bxt: Initialize MIPI for BXT
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Message ID 1437899840-32153-2-git-send-email-uma.shankar@intel.com
State New
Headers show

Commit Message

Shankar, Uma July 26, 2015, 8:37 a.m. UTC
From: Shashank Sharma <shashank.sharma@intel.com>

This patch contains following changes:
1. Add BXT MIPI display address base.
2. Call dsi_init from display_setup function.

v2: Rebased on latest nightly branch

Signed-off-by: Shashank Sharma <shashank.sharma@intel.com>
Signed-off-by: Uma Shankar <uma.shankar@intel.com>
---
 drivers/gpu/drm/i915/i915_reg.h      |    1 +
 drivers/gpu/drm/i915/intel_display.c |    3 +++
 drivers/gpu/drm/i915/intel_dsi.c     |    2 ++
 3 files changed, 6 insertions(+)

Patch
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diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index e9a95df..de1eea4 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -1673,6 +1673,7 @@  enum skl_disp_power_wells {
 
 #define VLV_DISPLAY_BASE 0x180000
 #define VLV_MIPI_BASE VLV_DISPLAY_BASE
+#define BXT_MIPI_BASE 0x60000
 
 #define VLV_GU_CTL0	(VLV_DISPLAY_BASE + 0x2030)
 #define VLV_GU_CTL1	(VLV_DISPLAY_BASE + 0x2034)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index af0bcfe..52e21d4 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -14096,6 +14096,9 @@  static void intel_setup_outputs(struct drm_device *dev)
 		 * DDI_BUF_CTL_A or SFUSE_STRAP registers, find another way to
 		 * detect the ports.
 		 */
+		/* Initialize MIPI for BXT */
+		intel_dsi_init(dev);
+
 		intel_ddi_init(dev, PORT_A);
 		intel_ddi_init(dev, PORT_B);
 		intel_ddi_init(dev, PORT_C);
diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c
index f4438eb..d709da3 100644
--- a/drivers/gpu/drm/i915/intel_dsi.c
+++ b/drivers/gpu/drm/i915/intel_dsi.c
@@ -993,6 +993,8 @@  void intel_dsi_init(struct drm_device *dev)
 
 	if (IS_VALLEYVIEW(dev)) {
 		dev_priv->mipi_mmio_base = VLV_MIPI_BASE;
+	} else if (IS_BROXTON(dev)) {
+		dev_priv->mipi_mmio_base = BXT_MIPI_BASE;
 	} else {
 		DRM_ERROR("Unsupported Mipi device to reg base");
 		return;