[AMD Official Use Only - General] Reviewed-by: Evan Quan <evan.q...@amd.com>
> -----Original Message-----
> From: amd-gfx <amd-gfx-boun...@lists.freedesktop.org> On Behalf Of Yu
> Songping
> Sent: Thursday, November 24, 2022 9:53 AM
> To: airl...@gmail.com; dan...@ffwll.ch
> Cc: dri-de...@lists.freedesktop.org; amd-gfx@lists.freedesktop.org; linux-
> ker...@vger.kernel.org
> Subject: [PATCH] swsmu/amdgpu_smu: Fix the wrong if-condition
>
> The logical operator '&&' will make
> smu->ppt_funcs->set_gfx_power_up_by_imu segment fault when
> ppt_funcs is
> smu->NULL.
>
> Signed-off-by: Yu Songping <yusongp...@huawei.com>
> ---
> drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
> b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
> index b880f4d7d67e..1cb728b0b7ee 100644
> --- a/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
> +++ b/drivers/gpu/drm/amd/pm/swsmu/amdgpu_smu.c
> @@ -161,7 +161,7 @@ int smu_get_dpm_freq_range(struct smu_context
> *smu,
>
> int smu_set_gfx_power_up_by_imu(struct smu_context *smu) {
> - if (!smu->ppt_funcs && !smu->ppt_funcs-
> >set_gfx_power_up_by_imu)
> + if (!smu->ppt_funcs || !smu->ppt_funcs-
> >set_gfx_power_up_by_imu)
> return -EOPNOTSUPP;
>
> return smu->ppt_funcs->set_gfx_power_up_by_imu(smu);
> --
> 2.17.1
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