vgaswitcheroo: add vga_switcheroo_fini_domain_pm_ops

Drivers should call this on unload to unregister pmops. Bug: https://bugzilla.kernel.org/show_bug.cgi?id=84431 Reviewed-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org Signed-off-by: Pali Rohár <pali.rohar@gmail.com> Cc: Ben Skeggs <bskeggs@redhat.com>
git-mirror · Sep 18, 2014 · 766a53d · 766a53d
1 parent c1789a2
commit 766a53d
Show file tree

Hide file tree

Showing 2 changed files with 8 additions and 0 deletions.
diff --git a/drivers/gpu/vga/vga_switcheroo.c b/drivers/gpu/vga/vga_switcheroo.c
@@ -660,6 +660,12 @@ int vga_switcheroo_init_domain_pm_ops(struct device *dev, struct dev_pm_domain *
 }
 EXPORT_SYMBOL(vga_switcheroo_init_domain_pm_ops);
 
+void vga_switcheroo_fini_domain_pm_ops(struct device *dev)
+{
+	dev->pm_domain = NULL;
+}
+EXPORT_SYMBOL(vga_switcheroo_fini_domain_pm_ops);
+
 static int vga_switcheroo_runtime_resume_hdmi_audio(struct device *dev)
 {
 	struct pci_dev *pdev = to_pci_dev(dev);

diff --git a/include/linux/vga_switcheroo.h b/include/linux/vga_switcheroo.h
@@ -64,6 +64,7 @@ int vga_switcheroo_get_client_state(struct pci_dev *dev);
 void vga_switcheroo_set_dynamic_switch(struct pci_dev *pdev, enum vga_switcheroo_state dynamic);
 
 int vga_switcheroo_init_domain_pm_ops(struct device *dev, struct dev_pm_domain *domain);
+void vga_switcheroo_fini_domain_pm_ops(struct device *dev);
 int vga_switcheroo_init_domain_pm_optimus_hdmi_audio(struct device *dev, struct dev_pm_domain *domain);
 #else
 
@@ -82,6 +83,7 @@ static inline int vga_switcheroo_get_client_state(struct pci_dev *dev) { return
 static inline void vga_switcheroo_set_dynamic_switch(struct pci_dev *pdev, enum vga_switcheroo_state dynamic) {}
 
 static inline int vga_switcheroo_init_domain_pm_ops(struct device *dev, struct dev_pm_domain *domain) { return -EINVAL; }
+static inline void vga_switcheroo_fini_domain_pm_ops(struct device *dev) {}
 static inline int vga_switcheroo_init_domain_pm_optimus_hdmi_audio(struct device *dev, struct dev_pm_domain *domain) { return -EINVAL; }
 
 #endif