[PATCH v2 02/26] drm: bochs: Define and use generic PM ops

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Use the new DEFINE_DRM_MODE_CONFIG_HELPER_PM_OPS() macro to create a
"struct dev_pm_ops" that can be used by this driver, instead of using
custom PM callbacks with the same behaviour.

v2: Use the DEFINE_DRM_MODE_CONFIG_HELPER_PM_OPS() macro instead of an
    exported dev_pm_ops.

Signed-off-by: Paul Cercueil <paul@xxxxxxxxxxxxxxx>
---
Cc: Gerd Hoffmann <kraxel@xxxxxxxxxx>
Cc: virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx
---
 drivers/gpu/drm/tiny/bochs.c | 29 ++++-------------------------
 1 file changed, 4 insertions(+), 25 deletions(-)

diff --git a/drivers/gpu/drm/tiny/bochs.c b/drivers/gpu/drm/tiny/bochs.c
index 024346054c70..598488905607 100644
--- a/drivers/gpu/drm/tiny/bochs.c
+++ b/drivers/gpu/drm/tiny/bochs.c
@@ -2,6 +2,7 @@
 
 #include <linux/module.h>
 #include <linux/pci.h>
+#include <linux/pm.h>
 
 #include <drm/drm_aperture.h>
 #include <drm/drm_atomic_helper.h>
@@ -610,30 +611,6 @@ static const struct drm_driver bochs_driver = {
 	DRM_GEM_VRAM_DRIVER,
 };
 
-/* ---------------------------------------------------------------------- */
-/* pm interface                                                           */
-
-#ifdef CONFIG_PM_SLEEP
-static int bochs_pm_suspend(struct device *dev)
-{
-	struct drm_device *drm_dev = dev_get_drvdata(dev);
-
-	return drm_mode_config_helper_suspend(drm_dev);
-}
-
-static int bochs_pm_resume(struct device *dev)
-{
-	struct drm_device *drm_dev = dev_get_drvdata(dev);
-
-	return drm_mode_config_helper_resume(drm_dev);
-}
-#endif
-
-static const struct dev_pm_ops bochs_pm_ops = {
-	SET_SYSTEM_SLEEP_PM_OPS(bochs_pm_suspend,
-				bochs_pm_resume)
-};
-
 /* ---------------------------------------------------------------------- */
 /* pci interface                                                          */
 
@@ -716,12 +693,14 @@ static const struct pci_device_id bochs_pci_tbl[] = {
 	{ /* end of list */ }
 };
 
+DEFINE_DRM_MODE_CONFIG_HELPER_PM_OPS(bochs_pm_ops);
+
 static struct pci_driver bochs_pci_driver = {
 	.name =		"bochs-drm",
 	.id_table =	bochs_pci_tbl,
 	.probe =	bochs_pci_probe,
 	.remove =	bochs_pci_remove,
-	.driver.pm =    &bochs_pm_ops,
+	.driver.pm =    pm_sleep_ptr(&bochs_pm_ops),
 };
 
 /* ---------------------------------------------------------------------- */
-- 
2.35.1




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