[PATCH] drm/amd: Decrease message level for legacy-pm prints

Mario Limonciello superm1 at kernel.org
Wed Jun 18 21:32:17 UTC 2025


From: Mario Limonciello <mario.limonciello at amd.com>

legacy-pm has prints while changing power states that don't have
a level and thus are printed by default.  These are not useful at
runtime for most people, so decrease them to debug.

Reported-by: Alexandre Demers <alexandre.f.demers at gmail.com>
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4322
Signed-off-by: Mario Limonciello <mario.limonciello at amd.com>
---
 drivers/gpu/drm/amd/pm/legacy-dpm/legacy_dpm.c | 16 ++++++----------
 1 file changed, 6 insertions(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/amd/pm/legacy-dpm/legacy_dpm.c b/drivers/gpu/drm/amd/pm/legacy-dpm/legacy_dpm.c
index c7518b13e7879..5b09c5fd9dc13 100644
--- a/drivers/gpu/drm/amd/pm/legacy-dpm/legacy_dpm.c
+++ b/drivers/gpu/drm/amd/pm/legacy-dpm/legacy_dpm.c
@@ -123,14 +123,10 @@ void amdgpu_dpm_print_cap_info(u32 caps)
 void amdgpu_dpm_print_ps_status(struct amdgpu_device *adev,
 				struct amdgpu_ps *rps)
 {
-	printk("\tstatus:");
-	if (rps == adev->pm.dpm.current_ps)
-		pr_cont(" c");
-	if (rps == adev->pm.dpm.requested_ps)
-		pr_cont(" r");
-	if (rps == adev->pm.dpm.boot_ps)
-		pr_cont(" b");
-	pr_cont("\n");
+	drm_dbg(adev_to_drm(adev), "\tstatus:%s%s%s\n",
+		rps == adev->pm.dpm.current_ps ? " c" : "",
+		rps == adev->pm.dpm.requested_ps ? " r" : "",
+		rps == adev->pm.dpm.boot_ps ? " b" : "");
 }
 
 void amdgpu_pm_print_power_states(struct amdgpu_device *adev)
@@ -943,9 +939,9 @@ static int amdgpu_dpm_change_power_state_locked(struct amdgpu_device *adev)
 		return -EINVAL;
 
 	if (amdgpu_dpm == 1 && pp_funcs->print_power_state) {
-		printk("switching from power state:\n");
+		drm_dbg(adev_to_drm(adev), "switching from power state\n");
 		amdgpu_dpm_print_power_state(adev, adev->pm.dpm.current_ps);
-		printk("switching to power state:\n");
+		drm_dbg(adev_to_drm(adev), "switching to power state\n");
 		amdgpu_dpm_print_power_state(adev, adev->pm.dpm.requested_ps);
 	}
 
-- 
2.43.0



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