drm/i915/icl: Move dsi host init code to common file

This patch moves intl_dsi_host_init() code to intel_dsi.c so that legacy
and gen11 DSI code can share this code.

v2 by Jani:
 - Move the shared stuff to intel_dsi.c

Signed-off-by: Madhav Chauhan <madhav.chauhan@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1ee42b2d3c639e3f3c14a2c1595b8778901574d4.1540900289.git.jani.nikula@intel.com

diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c
index a32cc1f..97e04c2 100644 (file)
--- a/drivers/gpu/drm/i915/intel_dsi.c
+++ b/drivers/gpu/drm/i915/intel_dsi.c
@@ -28,3 +28,37 @@ int intel_dsi_tlpx_ns(const struct intel_dsi *intel_dsi)
                return 200;
        }
 }
+
+struct intel_dsi_host *intel_dsi_host_init(struct intel_dsi *intel_dsi,
+                                          const struct mipi_dsi_host_ops *funcs,
+                                          enum port port)
+{
+       struct intel_dsi_host *host;
+       struct mipi_dsi_device *device;
+
+       host = kzalloc(sizeof(*host), GFP_KERNEL);
+       if (!host)
+               return NULL;
+
+       host->base.ops = funcs;
+       host->intel_dsi = intel_dsi;
+       host->port = port;
+
+       /*
+        * We should call mipi_dsi_host_register(&host->base) here, but we don't
+        * have a host->dev, and we don't have OF stuff either. So just use the
+        * dsi framework as a library and hope for the best. Create the dsi
+        * devices by ourselves here too. Need to be careful though, because we
+        * don't initialize any of the driver model devices here.
+        */
+       device = kzalloc(sizeof(*device), GFP_KERNEL);
+       if (!device) {
+               kfree(host);
+               return NULL;
+       }
+
+       device->host = &host->base;
+       host->device = device;
+
+       return host;
+}

diff --git a/drivers/gpu/drm/i915/intel_dsi.h b/drivers/gpu/drm/i915/intel_dsi.h
index 1456792..09f0fa9 100644 (file)
--- a/drivers/gpu/drm/i915/intel_dsi.h
+++ b/drivers/gpu/drm/i915/intel_dsi.h
@@ -152,6 +152,9 @@ int intel_dsi_tlpx_ns(const struct intel_dsi *intel_dsi);
 /* vlv_dsi.c */
 void vlv_dsi_wait_for_fifo_empty(struct intel_dsi *intel_dsi, enum port port);
 enum mipi_dsi_pixel_format pixel_format_from_register_bits(u32 fmt);
+struct intel_dsi_host *intel_dsi_host_init(struct intel_dsi *intel_dsi,
+                                          const struct mipi_dsi_host_ops *funcs,
+                                          enum port port);
 
 /* vlv_dsi_pll.c */
 int vlv_dsi_pll_compute(struct intel_encoder *encoder,

diff --git a/drivers/gpu/drm/i915/vlv_dsi.c b/drivers/gpu/drm/i915/vlv_dsi.c
index ee0cd5d..cbb935a 100644 (file)
--- a/drivers/gpu/drm/i915/vlv_dsi.c
+++ b/drivers/gpu/drm/i915/vlv_dsi.c
@@ -206,39 +206,6 @@ static const struct mipi_dsi_host_ops intel_dsi_host_ops = {
        .transfer = intel_dsi_host_transfer,
 };
 
-static struct intel_dsi_host *intel_dsi_host_init(struct intel_dsi *intel_dsi,
-                                                 enum port port)
-{
-       struct intel_dsi_host *host;
-       struct mipi_dsi_device *device;
-
-       host = kzalloc(sizeof(*host), GFP_KERNEL);
-       if (!host)
-               return NULL;
-
-       host->base.ops = &intel_dsi_host_ops;
-       host->intel_dsi = intel_dsi;
-       host->port = port;
-
-       /*
-        * We should call mipi_dsi_host_register(&host->base) here, but we don't
-        * have a host->dev, and we don't have OF stuff either. So just use the
-        * dsi framework as a library and hope for the best. Create the dsi
-        * devices by ourselves here too. Need to be careful though, because we
-        * don't initialize any of the driver model devices here.
-        */
-       device = kzalloc(sizeof(*device), GFP_KERNEL);
-       if (!device) {
-               kfree(host);
-               return NULL;
-       }
-
-       device->host = &host->base;
-       host->device = device;
-
-       return host;
-}
-
 /*
  * send a video mode command
  *
@@ -1768,7 +1735,8 @@ void vlv_dsi_init(struct drm_i915_private *dev_priv)
        for_each_dsi_port(port, intel_dsi->ports) {
                struct intel_dsi_host *host;
 
-               host = intel_dsi_host_init(intel_dsi, port);
+               host = intel_dsi_host_init(intel_dsi, &intel_dsi_host_ops,
+                                          port);
                if (!host)
                        goto err;