drm/radeon/dpm: only print dpm debugging messages when radeon_dpm=1

Avoids spamming the system log for chips where dpm is enabled by
default, but prints then messages when users force it on for other
asics.

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

1 files changed, 8 insertions, 6 deletions

diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index ac07ad1d4f8c..cdeb3f8a2a30 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -881,11 +881,12 @@ static void radeon_dpm_change_power_state_locked(struct radeon_device *rdev)
                 }
         }
 
-        printk("switching from power state:\n");
-        radeon_dpm_print_power_state(rdev, rdev->pm.dpm.current_ps);
-        printk("switching to power state:\n");
-        radeon_dpm_print_power_state(rdev, rdev->pm.dpm.requested_ps);
-
+        if (radeon_dpm == 1) {
+                printk("switching from power state:\n");
+                radeon_dpm_print_power_state(rdev, rdev->pm.dpm.current_ps);
+                printk("switching to power state:\n");
+                radeon_dpm_print_power_state(rdev, rdev->pm.dpm.requested_ps);
+        }
         mutex_lock(&rdev->ddev->struct_mutex);
         down_write(&rdev->pm.mclk_lock);
         mutex_lock(&rdev->ring_lock);
@@ -1176,7 +1177,8 @@ static int radeon_pm_init_dpm(struct radeon_device *rdev)
         mutex_lock(&rdev->pm.mutex);
         radeon_dpm_init(rdev);
         rdev->pm.dpm.current_ps = rdev->pm.dpm.requested_ps = rdev->pm.dpm.boot_ps;
-        radeon_dpm_print_power_states(rdev);
+        if (radeon_dpm == 1)
+                radeon_dpm_print_power_states(rdev);
         radeon_dpm_setup_asic(rdev);
         ret = radeon_dpm_enable(rdev);
         mutex_unlock(&rdev->pm.mutex);