Will be used for exposing current clocks via INFO ioctl.
Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
---
drivers/gpu/drm/radeon/radeon_asic.c | 2 ++
drivers/gpu/drm/radeon/radeon_asic.h | 2 ++
drivers/gpu/drm/radeon/sumo_dpm.c | 28 ++++++++++++++++++++++++++++
3 files changed, 32 insertions(+)
diff --git a/drivers/gpu/drm/radeon/radeon_asic.c
b/drivers/gpu/drm/radeon/radeon_asic.c
index cee4d82..b7461c0 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -1475,6 +1475,8 @@ static struct radeon_asic sumo_asic = {
.print_power_state = &sumo_dpm_print_power_state,
.debugfs_print_current_performance_level =
&sumo_dpm_debugfs_print_current_performance_level,
.force_performance_level = &sumo_dpm_force_performance_level,
+ .get_current_sclk = &sumo_dpm_get_current_sclk,
+ .get_current_mclk = &sumo_dpm_get_current_mclk,
},
.pflip = {
.page_flip = &evergreen_page_flip,
diff --git a/drivers/gpu/drm/radeon/radeon_asic.h
b/drivers/gpu/drm/radeon/radeon_asic.h
index fb17fa0..44dccd5 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -593,6 +593,8 @@ void
sumo_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev
struct seq_file *m);
int sumo_dpm_force_performance_level(struct radeon_device *rdev,
enum radeon_dpm_forced_level level);
+u32 sumo_dpm_get_current_sclk(struct radeon_device *rdev);
+u32 sumo_dpm_get_current_mclk(struct radeon_device *rdev);
/*
* cayman
diff --git a/drivers/gpu/drm/radeon/sumo_dpm.c
b/drivers/gpu/drm/radeon/sumo_dpm.c
index 3f0e8d7..e243a7e 100644
--- a/drivers/gpu/drm/radeon/sumo_dpm.c
+++ b/drivers/gpu/drm/radeon/sumo_dpm.c
@@ -1832,6 +1832,34 @@ void
sumo_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev
}
}
+u32 sumo_dpm_get_current_sclk(struct radeon_device *rdev)
+{
+ struct sumo_power_info *pi = sumo_get_pi(rdev);
+ struct radeon_ps *rps = &pi->current_rps;
+ struct sumo_ps *ps = sumo_get_ps(rps);
+ struct sumo_pl *pl;
+ u32 current_index =
+ (RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURR_INDEX_MASK) >>
+ CURR_INDEX_SHIFT;
+
+ if (current_index == BOOST_DPM_LEVEL) {
+ pl = &pi->boost_pl;
+ return pl->sclk;
+ } else if (current_index >= ps->num_levels) {
+ return 0;
+ } else {
+ pl = &ps->levels[current_index];
+ return pl->sclk;
+ }
+}
+
+u32 sumo_dpm_get_current_mclk(struct radeon_device *rdev)
+{
+ struct sumo_power_info *pi = sumo_get_pi(rdev);
+
+ return pi->sys_info.bootup_uma_clk;
+}
+
void sumo_dpm_fini(struct radeon_device *rdev)
{
int i;
--
1.8.3.1
