From 15e1b20db6e6779ff7829ae9a24a3ff24c1bf366 Mon Sep 17 00:00:00 2001
From: Li Zhong <floridsleeves@gmail.com>
Date: Sat, 24 Sep 2022 15:19:39 -0700
Subject: drivers/amd/pm: check the return value of amdgpu_bo_kmap
Git-commit: 8abbc4f768ddc5c2190ab8966e529cec42b4b2d4
Patch-mainline: v6.1-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225 jsc#PED-2849
amdgpu_bo_kmap() returns error when fails to map buffer object. Add the
error check and propagate the error.
Signed-off-by: Li Zhong <floridsleeves@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/amd/pm/legacy-dpm/kv_dpm.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/pm/legacy-dpm/kv_dpm.c b/drivers/gpu/drm/amd/pm/legacy-dpm/kv_dpm.c
index 8fd0782a2b20..f5e08b60f66e 100644
--- a/drivers/gpu/drm/amd/pm/legacy-dpm/kv_dpm.c
+++ b/drivers/gpu/drm/amd/pm/legacy-dpm/kv_dpm.c
@@ -1384,13 +1384,16 @@ static int kv_dpm_enable(struct amdgpu_device *adev)
static void kv_dpm_disable(struct amdgpu_device *adev)
{
struct kv_power_info *pi = kv_get_pi(adev);
+ int err;
amdgpu_irq_put(adev, &adev->pm.dpm.thermal.irq,
AMDGPU_THERMAL_IRQ_LOW_TO_HIGH);
amdgpu_irq_put(adev, &adev->pm.dpm.thermal.irq,
AMDGPU_THERMAL_IRQ_HIGH_TO_LOW);
- amdgpu_kv_smc_bapm_enable(adev, false);
+ err = amdgpu_kv_smc_bapm_enable(adev, false);
+ if (err)
+ DRM_ERROR("amdgpu_kv_smc_bapm_enable failed\n");
if (adev->asic_type == CHIP_MULLINS)
kv_enable_nb_dpm(adev, false);
--
2.38.1