drm/radeon/kms: add trivial debugging for voltage

agd5f: rebased

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

4 files changed, 5 insertions, 0 deletions

diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index b2b7c11e447..4b6623df3b9 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -50,6 +50,7 @@ void evergreen_pm_misc(struct radeon_device *rdev)
                 if (voltage->voltage != rdev->pm.current_vddc) {
                         radeon_atom_set_voltage(rdev, voltage->voltage);
                         rdev->pm.current_vddc = voltage->voltage;
+                        DRM_DEBUG("Setting: v: %d\n", voltage->voltage);
                 }
         }
 }
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 7b553910011..0e91871f45b 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -566,6 +566,7 @@ void r600_pm_misc(struct radeon_device *rdev)
                 if (voltage->voltage != rdev->pm.current_vddc) {
                         radeon_atom_set_voltage(rdev, voltage->voltage);
                         rdev->pm.current_vddc = voltage->voltage;
+                        DRM_DEBUG("Setting: v: %d\n", voltage->voltage);
                 }
         }
 }
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index f2e1c60afda..19fb3652c7b 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -699,6 +699,8 @@ static int radeon_debugfs_pm_info(struct seq_file *m, void *data)
         seq_printf(m, "default memory clock: %u0 kHz\n", rdev->clock.default_mclk);
         if (rdev->asic->get_memory_clock)
                 seq_printf(m, "current memory clock: %u0 kHz\n", radeon_get_memory_clock(rdev));
+        if (rdev->pm.current_vddc)
+                seq_printf(m, "voltage: %u mV\n", rdev->pm.current_vddc);
         if (rdev->asic->get_pcie_lanes)
                 seq_printf(m, "PCIE lanes: %d\n", radeon_get_pcie_lanes(rdev));
 
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index e8fb8b66e00..cec536c222c 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -53,6 +53,7 @@ void rv770_pm_misc(struct radeon_device *rdev)
                 if (voltage->voltage != rdev->pm.current_vddc) {
                         radeon_atom_set_voltage(rdev, voltage->voltage);
                         rdev->pm.current_vddc = voltage->voltage;
+                        DRM_DEBUG("Setting: v: %d\n", voltage->voltage);
                 }
         }
 }