diff options
Diffstat (limited to 'meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3829-drm-amdgpu-Fix-kernel-NULL-pointer-dereference-in-dp.patch')
| -rw-r--r-- | meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3829-drm-amdgpu-Fix-kernel-NULL-pointer-dereference-in-dp.patch | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3829-drm-amdgpu-Fix-kernel-NULL-pointer-dereference-in-dp.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3829-drm-amdgpu-Fix-kernel-NULL-pointer-dereference-in-dp.patch new file mode 100644 index 00000000..30da1b14 --- /dev/null +++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3829-drm-amdgpu-Fix-kernel-NULL-pointer-dereference-in-dp.patch @@ -0,0 +1,60 @@ +From 2d71b55f6ab6e713b4a001edcfe482cf793e4cd3 Mon Sep 17 00:00:00 2001 +From: Rex Zhu <Rex.Zhu@amd.com> +Date: Tue, 20 Mar 2018 16:32:07 +0800 +Subject: [PATCH 3829/4131] drm/amdgpu: Fix kernel NULL pointer dereference in + dpm functions + +caused by +'commit 83e3c4615872 ("drm/amdgpu: Remove wrapper layer of smu ip functions")' + +BUG: unable to handle kernel NULL pointer dereference at 00000000000005d8 +[ 313.241459] IP: ci_dpm_read_sensor+0x37/0xf0 [amdgpu] + +Change-Id: Idec8166b885a7304c4dd438e11390c7b58ff4924 +Reviewed-by: Alex Deucher <alexander.deucher@amd.com> +Signed-off-by: Rex Zhu <Rex.Zhu@amd.com> +--- + drivers/gpu/drm/amd/amdgpu/ci_dpm.c | 1 + + drivers/gpu/drm/amd/amdgpu/kv_dpm.c | 1 + + drivers/gpu/drm/amd/amdgpu/si_dpm.c | 1 + + 3 files changed, 3 insertions(+) + +diff --git a/drivers/gpu/drm/amd/amdgpu/ci_dpm.c b/drivers/gpu/drm/amd/amdgpu/ci_dpm.c +index 98d1dd2..47ef3e6 100644 +--- a/drivers/gpu/drm/amd/amdgpu/ci_dpm.c ++++ b/drivers/gpu/drm/amd/amdgpu/ci_dpm.c +@@ -6244,6 +6244,7 @@ static int ci_dpm_early_init(void *handle) + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + adev->powerplay.pp_funcs = &ci_dpm_funcs; ++ adev->powerplay.pp_handle = adev; + ci_dpm_set_irq_funcs(adev); + + return 0; +diff --git a/drivers/gpu/drm/amd/amdgpu/kv_dpm.c b/drivers/gpu/drm/amd/amdgpu/kv_dpm.c +index 81babe0..26ba984 100644 +--- a/drivers/gpu/drm/amd/amdgpu/kv_dpm.c ++++ b/drivers/gpu/drm/amd/amdgpu/kv_dpm.c +@@ -2963,6 +2963,7 @@ static int kv_dpm_early_init(void *handle) + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + adev->powerplay.pp_funcs = &kv_dpm_funcs; ++ adev->powerplay.pp_handle = adev; + kv_dpm_set_irq_funcs(adev); + + return 0; +diff --git a/drivers/gpu/drm/amd/amdgpu/si_dpm.c b/drivers/gpu/drm/amd/amdgpu/si_dpm.c +index 7c2deae..797d505 100644 +--- a/drivers/gpu/drm/amd/amdgpu/si_dpm.c ++++ b/drivers/gpu/drm/amd/amdgpu/si_dpm.c +@@ -7917,6 +7917,7 @@ static int si_dpm_early_init(void *handle) + struct amdgpu_device *adev = (struct amdgpu_device *)handle; + + adev->powerplay.pp_funcs = &si_dpm_funcs; ++ adev->powerplay.pp_handle = adev; + si_dpm_set_irq_funcs(adev); + return 0; + } +-- +2.7.4 + |