drm/radeon/dpm: add pre/post_set_power_state callback (cayman)

This properly implemented dynamic state adjustment by
using a working copy of the requested and current
power states.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
index 83e6bf4ac408..2b4a922716b1 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -599,7 +599,9 @@ int ni_dpm_init(struct radeon_device *rdev);
 void ni_dpm_setup_asic(struct radeon_device *rdev);
 int ni_dpm_enable(struct radeon_device *rdev);
 void ni_dpm_disable(struct radeon_device *rdev);
+int ni_dpm_pre_set_power_state(struct radeon_device *rdev);
 int ni_dpm_set_power_state(struct radeon_device *rdev);
+void ni_dpm_post_set_power_state(struct radeon_device *rdev);
 void ni_dpm_fini(struct radeon_device *rdev);
 u32 ni_dpm_get_sclk(struct radeon_device *rdev, bool low);
 u32 ni_dpm_get_mclk(struct radeon_device *rdev, bool low);