commit 49e02b7306cb7e01965fe5f41ba0f80085142f6e
author Alex Deucher <alexdeucher@gmail.com> Fri Apr 23 17:57:27 2010 -0400
committer Dave Airlie <airlied@redhat.com> Tue May 18 18:21:12 2010 +1000
tree 6faaa8069fae9b4768d727274df94c2a5298b1b2
parent 58e21dff53b9063563e7bb5f5a795ab2d8f61dda

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>

drivers/gpu/drm/radeon/radeon_asic.h

diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
index 71b21bb..378db67 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -130,6 +130,9 @@
 extern void r100_set_power_state(struct radeon_device *rdev);
 extern void r100_get_power_state(struct radeon_device *rdev,
 				 enum radeon_pm_action action);
+extern void r100_pm_misc(struct radeon_device *rdev);
+extern void r100_pm_prepare(struct radeon_device *rdev);
+extern void r100_pm_finish(struct radeon_device *rdev);
 
 /*
  * r200,rv250,rs300,rv280
@@ -201,6 +204,9 @@
 bool rs600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd);
 void rs600_hpd_set_polarity(struct radeon_device *rdev,
 			    enum radeon_hpd_id hpd);
+extern void rs600_pm_misc(struct radeon_device *rdev);
+extern void rs600_pm_prepare(struct radeon_device *rdev);
+extern void rs600_pm_finish(struct radeon_device *rdev);
 
 /*
  * rs690,rs740
@@ -278,6 +284,7 @@
 extern void r600_set_power_state(struct radeon_device *rdev);
 extern void r600_get_power_state(struct radeon_device *rdev,
 				 enum radeon_pm_action action);
+extern void r600_pm_misc(struct radeon_device *rdev);
 
 /*
  * rv770,rv730,rv710,rv740
@@ -286,6 +293,7 @@
 void rv770_fini(struct radeon_device *rdev);
 int rv770_suspend(struct radeon_device *rdev);
 int rv770_resume(struct radeon_device *rdev);
+extern void rv770_pm_misc(struct radeon_device *rdev);
 
 /*
  * evergreen
@@ -306,5 +314,8 @@
 u32 evergreen_get_vblank_counter(struct radeon_device *rdev, int crtc);
 int evergreen_irq_set(struct radeon_device *rdev);
 int evergreen_irq_process(struct radeon_device *rdev);
+extern void evergreen_pm_misc(struct radeon_device *rdev);
+extern void evergreen_pm_prepare(struct radeon_device *rdev);
+extern void evergreen_pm_finish(struct radeon_device *rdev);
 
 #endif