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> -----Original Message-----
> From: Evan Quan <evan.quan@xxxxxxx>
> Sent: 2018年11月28日 16:54
> To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
> Cc: Quan, Evan <Evan.Quan@xxxxxxx>
> Subject: [PATCH 2/3] drm/amd/powerplay: issue pre-display settings for
> display change event
>
> For display config change event only, pre-display config settings are needed.
>
> Change-Id: Ifeee7cf35afc00e2fc0269c2a189c560b2091c49
> Signed-off-by: Evan Quan <evan.quan@xxxxxxx>
> ---
> drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c | 3 +++
> drivers/gpu/drm/amd/powerplay/hwmgr/pp_psm.c | 2 --
> 2 files changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c
> b/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c
> index 47ac92369739..0173d0480024 100644
> --- a/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c
> +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c
> @@ -352,6 +352,9 @@ int hwmgr_handle_task(struct pp_hwmgr *hwmgr,
> enum amd_pp_task task_id,
>
> switch (task_id) {
> case AMD_PP_TASK_DISPLAY_CONFIG_CHANGE:
> + ret = phm_pre_display_configuration_changed(hwmgr);
> + if (ret)
> + return ret;
> ret = phm_set_cpu_power_state(hwmgr);
> if (ret)
> return ret;
> diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/pp_psm.c
> b/drivers/gpu/drm/amd/powerplay/hwmgr/pp_psm.c
> index 91ffb7bc4ee7..56437866d120 100644
> --- a/drivers/gpu/drm/amd/powerplay/hwmgr/pp_psm.c
> +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/pp_psm.c
> @@ -265,8 +265,6 @@ int psm_adjust_power_state_dynamic(struct
> pp_hwmgr *hwmgr, bool skip,
> if (skip)
> return 0;
>
> - phm_pre_display_configuration_changed(hwmgr);
> -
> phm_display_configuration_changed(hwmgr);
>
> if (hwmgr->ps)
> --
> 2.19.2
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