drm/i915: Add intel_bios_cleanup() function

Add an intel_bios_cleanup() function to act as counterpart of
intel_bios_init() and move the cleanup of vbt related resources there,
putting it in the same file as the allocation.

Changed in v2:
-While touching the code anyways, remove the unnecessary:
 if (dev_priv->vbt.child_dev) done before kfree(dev_priv->vbt.child_dev)

Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180214082151.25015-1-hdegoede@redhat.com
(cherry picked from commit 785f076b3ba781804f2b22b347b4431e3efb0ab3)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 173d0095e3b2120e2bd2f4090cbe7da1e25c6619..2f5209de03915277879f9c5e01e597637b93836f 100644 (file)
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -1433,19 +1433,7 @@ void i915_driver_unload(struct drm_device *dev)
 
        intel_modeset_cleanup(dev);
 
-       /*
-        * free the memory space allocated for the child device
-        * config parsed from VBT
-        */
-       if (dev_priv->vbt.child_dev && dev_priv->vbt.child_dev_num) {
-               kfree(dev_priv->vbt.child_dev);
-               dev_priv->vbt.child_dev = NULL;
-               dev_priv->vbt.child_dev_num = 0;
-       }
-       kfree(dev_priv->vbt.sdvo_lvds_vbt_mode);
-       dev_priv->vbt.sdvo_lvds_vbt_mode = NULL;
-       kfree(dev_priv->vbt.lfp_lvds_vbt_mode);
-       dev_priv->vbt.lfp_lvds_vbt_mode = NULL;
+       intel_bios_cleanup(dev_priv);
 
        vga_switcheroo_unregister_client(pdev);
        vga_client_register(pdev, NULL, NULL, NULL);

diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index a42deebedb0f12784155bb7499fef44a2c31cf28..d2fc519bc592efc3af461b8016b68cdc730b477c 100644 (file)
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -3657,6 +3657,7 @@ extern void intel_i2c_reset(struct drm_i915_private *dev_priv);
 
 /* intel_bios.c */
 void intel_bios_init(struct drm_i915_private *dev_priv);
+void intel_bios_cleanup(struct drm_i915_private *dev_priv);
 bool intel_bios_is_valid_vbt(const void *buf, size_t size);
 bool intel_bios_is_tv_present(struct drm_i915_private *dev_priv);
 bool intel_bios_is_lvds_present(struct drm_i915_private *dev_priv, u8 *i2c_pin);

diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c
index f7f771749e4809dcedbea023bea54e4be4ac1537..57db816f962becce9c5641e4972d1327e424a46d 100644 (file)
--- a/drivers/gpu/drm/i915/intel_bios.c
+++ b/drivers/gpu/drm/i915/intel_bios.c
@@ -1588,6 +1588,21 @@ out:
                pci_unmap_rom(pdev, bios);
 }
 
+/**
+ * intel_bios_cleanup - Free any resources allocated by intel_bios_init()
+ * @dev_priv: i915 device instance
+ */
+void intel_bios_cleanup(struct drm_i915_private *dev_priv)
+{
+       kfree(dev_priv->vbt.child_dev);
+       dev_priv->vbt.child_dev = NULL;
+       dev_priv->vbt.child_dev_num = 0;
+       kfree(dev_priv->vbt.sdvo_lvds_vbt_mode);
+       dev_priv->vbt.sdvo_lvds_vbt_mode = NULL;
+       kfree(dev_priv->vbt.lfp_lvds_vbt_mode);
+       dev_priv->vbt.lfp_lvds_vbt_mode = NULL;
+}
+
 /**
  * intel_bios_is_tv_present - is integrated TV present in VBT
  * @dev_priv:  i915 device instance