[Intel-gfx] [BXT MIPI PATCH v3 01/14] drm/i915/bxt: Initialize MIPI for BXT

[Uma Shankar]

From: Shashank Sharma <shashank.sha...@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.sha...@intel.com>
Signed-off-by: Uma Shankar <uma.shan...@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(+)

diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 2030f60..621151b 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -1641,6 +1641,7 @@ 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 87476ff..b8e0310 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -13906,6 +13906,9 @@ 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 b5a5558..b59b828 100644
--- a/drivers/gpu/drm/i915/intel_dsi.c
+++ b/drivers/gpu/drm/i915/intel_dsi.c
@@ -998,6 +998,8 @@ 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;
-- 
1.7.9.5

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