drm/radeon/kms/pm: add additional asic callbacks
- pm_misc() - handles voltage, pcie lanes, and other non
clock related power mode settings. Currently disabled.
Needs further debugging
- pm_prepare() - disables crtc mem requests right now.
All memory clients need to be disabled when changing
memory clocks. This function can be expanded to include
disabling fb access as well.
- pm_finish() - enable active memory clients.
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 5ffb295..16f0ea7 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -815,6 +815,9 @@
bool (*gui_idle)(struct radeon_device *rdev);
void (*get_power_state)(struct radeon_device *rdev, enum radeon_pm_action action);
void (*set_power_state)(struct radeon_device *rdev);
+ void (*pm_misc)(struct radeon_device *rdev);
+ void (*pm_prepare)(struct radeon_device *rdev);
+ void (*pm_finish)(struct radeon_device *rdev);
};
/*