RE: [PATCH v2] drm/amdgpu: Need to set the baco cap before baco reset

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I would actually expect the followings

       if (!amdgpu_sriov_vf(adev) && amdgpu_asic_need_reset_on_init(adev)) {         --> no touch for this
+            if (amdgpu_passthrough(adev) && adev->powerplay.pp_funcs && adev->powerplay.pp_funcs->set_asic_baco_cap) {
+                       r = adev->powerplay.pp_funcs->set_asic_baco_cap(adev->powerplay.pp_handle);
+                       if (r) {
+                               dev_err(adev->dev, "set baco capability failed\n");
+                               goto failed;
+                       }
+               }
+

And btw the commit description was lost compared with v1.

Regards,
Evan
> -----Original Message-----
> From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of
> Emily Deng
> Sent: Thursday, May 23, 2019 11:27 AM
> To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
> Cc: Deng, Emily <Emily.Deng@xxxxxxx>
> Subject: [PATCH v2] drm/amdgpu: Need to set the baco cap before baco
> reset
> 
> [CAUTION: External Email]
> 
> Signed-off-by: Emily Deng <Emily.Deng@xxxxxxx>
> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_device.c         | 10 +++++++++-
>  drivers/gpu/drm/amd/include/kgd_pp_interface.h     |  1 +
>  drivers/gpu/drm/amd/powerplay/amd_powerplay.c      | 16
> ++++++++++++++++
>  drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c |  1 +
>  .../amd/powerplay/hwmgr/vega10_processpptables.c   | 22
> ++++++++++++++++++++++
>  .../amd/powerplay/hwmgr/vega10_processpptables.h   |  1 +
>  drivers/gpu/drm/amd/powerplay/inc/hwmgr.h          |  1 +
>  7 files changed, 51 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> index d6286ed..5288763 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> @@ -2605,7 +2605,15 @@ int amdgpu_device_init(struct amdgpu_device
> *adev,
>         /* check if we need to reset the asic
>          *  E.g., driver was not cleanly unloaded previously, etc.
>          */
> -       if (!amdgpu_sriov_vf(adev) &&
> amdgpu_asic_need_reset_on_init(adev)) {
> +       if (amdgpu_passthrough(adev) &&
> amdgpu_asic_need_reset_on_init(adev)) {
> +               if (adev->powerplay.pp_funcs && adev->powerplay.pp_funcs-
> >set_asic_baco_cap) {
> +                       r = adev->powerplay.pp_funcs->set_asic_baco_cap(adev-
> >powerplay.pp_handle);
> +                       if (r) {
> +                               dev_err(adev->dev, "set baco capability failed\n");
> +                               goto failed;
> +                       }
> +               }
> +
>                 r = amdgpu_asic_reset(adev);
>                 if (r) {
>                         dev_err(adev->dev, "asic reset on init failed\n");
> diff --git a/drivers/gpu/drm/amd/include/kgd_pp_interface.h
> b/drivers/gpu/drm/amd/include/kgd_pp_interface.h
> index 2b579ba..0dcc18d 100644
> --- a/drivers/gpu/drm/amd/include/kgd_pp_interface.h
> +++ b/drivers/gpu/drm/amd/include/kgd_pp_interface.h
> @@ -285,6 +285,7 @@ struct amd_pm_funcs {
>         int (*set_hard_min_fclk_by_freq)(void *handle, uint32_t clock);
>         int (*set_min_deep_sleep_dcefclk)(void *handle, uint32_t clock);
>         int (*get_asic_baco_capability)(void *handle, bool *cap);
> +       int (*set_asic_baco_cap)(void *handle);
>         int (*get_asic_baco_state)(void *handle, int *state);
>         int (*set_asic_baco_state)(void *handle, int state);
>         int (*get_ppfeature_status)(void *handle, char *buf);
> diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
> b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
> index bea1587..9856760 100644
> --- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
> +++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
> @@ -1404,6 +1404,21 @@ static int pp_set_active_display_count(void
> *handle, uint32_t count)
>         return ret;
>  }
> 
> +static int pp_set_asic_baco_cap(void *handle)
> +{
> +       struct pp_hwmgr *hwmgr = handle;
> +
> +       if (!hwmgr)
> +               return -EINVAL;
> +
> +       if (!hwmgr->pm_en || !hwmgr->hwmgr_func->set_asic_baco_cap)
> +               return 0;
> +
> +       hwmgr->hwmgr_func->set_asic_baco_cap(hwmgr);
> +
> +       return 0;
> +}
> +
>  static int pp_get_asic_baco_capability(void *handle, bool *cap)
>  {
>         struct pp_hwmgr *hwmgr = handle;
> @@ -1546,6 +1561,7 @@ static const struct amd_pm_funcs pp_dpm_funcs =
> {
>         .set_hard_min_dcefclk_by_freq = pp_set_hard_min_dcefclk_by_freq,
>         .set_hard_min_fclk_by_freq = pp_set_hard_min_fclk_by_freq,
>         .get_asic_baco_capability = pp_get_asic_baco_capability,
> +       .set_asic_baco_cap = pp_set_asic_baco_cap,
>         .get_asic_baco_state = pp_get_asic_baco_state,
>         .set_asic_baco_state = pp_set_asic_baco_state,
>         .get_ppfeature_status = pp_get_ppfeature_status,
> diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
> b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
> index ed6c638..8dc23eb 100644
> --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
> +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
> @@ -5171,6 +5171,7 @@ static const struct pp_hwmgr_func
> vega10_hwmgr_funcs = {
>         .odn_edit_dpm_table = vega10_odn_edit_dpm_table,
>         .get_performance_level = vega10_get_performance_level,
>         .get_asic_baco_capability = smu9_baco_get_capability,
> +       .set_asic_baco_cap = vega10_baco_set_cap,
>         .get_asic_baco_state = smu9_baco_get_state,
>         .set_asic_baco_state = vega10_baco_set_state,
>         .enable_mgpu_fan_boost = vega10_enable_mgpu_fan_boost,
> diff --git
> a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_processpptables.c
> b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_processpptables.c
> index b6767d7..8fdeb23 100644
> --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_processpptables.c
> +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_processpptables.c
> @@ -1371,3 +1371,25 @@ int vega10_get_powerplay_table_entry(struct
> pp_hwmgr *hwmgr,
> 
>         return result;
>  }
> +
> +int vega10_baco_set_cap(struct pp_hwmgr *hwmgr)
> +{
> +       int result = 0;
> +       const ATOM_Vega10_POWERPLAYTABLE *powerplay_table;
> +
> +       powerplay_table = get_powerplay_table(hwmgr);
> +
> +       PP_ASSERT_WITH_CODE((powerplay_table != NULL),
> +               "Missing PowerPlay Table!", return -1);
> +
> +       result = check_powerplay_tables(hwmgr, powerplay_table);
> +
> +       PP_ASSERT_WITH_CODE((result == 0),
> +                           "check_powerplay_tables failed", return result);
> +
> +       set_hw_cap(
> +                       hwmgr,
> +                       0 != (le32_to_cpu(powerplay_table->ulPlatformCaps) &
> ATOM_VEGA10_PP_PLATFORM_CAP_BACO),
> +                       PHM_PlatformCaps_BACO);
> +       return result;
> +}
> \ No newline at end of file
> diff --git
> a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_processpptables.h
> b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_processpptables.h
> index d83ed2a..da5fbec 100644
> --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_processpptables.h
> +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_processpptables.h
> @@ -59,4 +59,5 @@ extern int
> vega10_get_number_of_powerplay_table_entries(struct pp_hwmgr
> *hwmgr);
>  extern int vega10_get_powerplay_table_entry(struct pp_hwmgr *hwmgr,
> uint32_t entry_index,
>                 struct pp_power_state *power_state, int (*call_back_func)(struct
> pp_hwmgr *, void *,
>                                 struct pp_power_state *, void *, uint32_t));
> +extern int vega10_baco_set_cap(struct pp_hwmgr *hwmgr);
>  #endif
> diff --git a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h
> b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h
> index bac3d85..14480ae 100644
> --- a/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h
> +++ b/drivers/gpu/drm/amd/powerplay/inc/hwmgr.h
> @@ -339,6 +339,7 @@ struct pp_hwmgr_func {
>         int (*set_hard_min_dcefclk_by_freq)(struct pp_hwmgr *hwmgr,
> uint32_t clock);
>         int (*set_hard_min_fclk_by_freq)(struct pp_hwmgr *hwmgr, uint32_t
> clock);
>         int (*get_asic_baco_capability)(struct pp_hwmgr *hwmgr, bool *cap);
> +       int (*set_asic_baco_cap)(struct pp_hwmgr *hwmgr);
>         int (*get_asic_baco_state)(struct pp_hwmgr *hwmgr, enum
> BACO_STATE *state);
>         int (*set_asic_baco_state)(struct pp_hwmgr *hwmgr, enum
> BACO_STATE state);
>         int (*get_ppfeature_status)(struct pp_hwmgr *hwmgr, char *buf);
> --
> 2.7.4
> 
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