This allows you to look at the current DPM state via debugfs.
Signed-off-by: Anthoine Bourgeois <anthoine.bourgeois@xxxxxxxxx>
---
drivers/gpu/drm/radeon/radeon_asic.c | 1 +
drivers/gpu/drm/radeon/radeon_asic.h | 2 ++
drivers/gpu/drm/radeon/rs780_dpm.c | 28 ++++++++++++++++++++++++++++
3 files changed, 31 insertions(+)
diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index fea997e..78bec1a 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -1270,6 +1270,7 @@ static struct radeon_asic rs780_asic = {
.get_sclk = &rs780_dpm_get_sclk,
.get_mclk = &rs780_dpm_get_mclk,
.print_power_state = &rs780_dpm_print_power_state,
+ .debugfs_print_current_performance_level = &rs780_dpm_debugfs_print_current_performance_level,
},
.pflip = {
.pre_page_flip = &rs600_pre_page_flip,
diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h
index b04b578..ca18957 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.h
+++ b/drivers/gpu/drm/radeon/radeon_asic.h
@@ -433,6 +433,8 @@ u32 rs780_dpm_get_sclk(struct radeon_device *rdev, bool low);
u32 rs780_dpm_get_mclk(struct radeon_device *rdev, bool low);
void rs780_dpm_print_power_state(struct radeon_device *rdev,
struct radeon_ps *ps);
+void rs780_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev,
+ struct seq_file *m);
/* uvd */
int r600_uvd_init(struct radeon_device *rdev);
diff --git a/drivers/gpu/drm/radeon/rs780_dpm.c b/drivers/gpu/drm/radeon/rs780_dpm.c
index bef832a..ef5a28e 100644
--- a/drivers/gpu/drm/radeon/rs780_dpm.c
+++ b/drivers/gpu/drm/radeon/rs780_dpm.c
@@ -961,3 +961,31 @@ u32 rs780_dpm_get_mclk(struct radeon_device *rdev, bool low)
return pi->bootup_uma_clk;
}
+
+void rs780_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev,
+ struct seq_file *m)
+{
+ struct radeon_ps *rps = rdev->pm.dpm.current_ps;
+ struct igp_ps *ps = rs780_get_ps(rps);
+ u32 sclk;
+ enum rs780_vddc_level vddc;
+ u32 current_index = r600_power_level_get_current_index(rdev);
+
+ if (current_index > 1) {
+ seq_printf(m, "invalid dpm profile %d\n", current_index);
+ } else {
+ if (current_index == 0) {
+ sclk = ps->sclk_low;
+ vddc = rs780_get_voltage_for_vddc_level(rdev,
+ ps->min_voltage);
+ } else { /* current_index == 1 */
+ sclk = ps->sclk_high;
+ vddc = rs780_get_voltage_for_vddc_level(rdev,
+ ps->max_voltage);
+ }
+ seq_printf(m, "uvd vclk: %d dclk: %d\n", rps->vclk, rps->dclk);
+ seq_printf(m, "power level %d sclk: %u mclk: %u vddc: %u\n",
+ current_index, sclk,
+ rs780_dpm_get_mclk(rdev, false), vddc);
+ }
+}
--
1.8.1.5
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