On Thu, Jul 05, 2018 at 05:09:34PM +0800, Evan Quan wrote:
> Export apis for enabling/disabling SMU gfxoff support.
>
> Change-Id: Idcea1db9f3dbe15edda1b76e1ff05435865af2a1
> Signed-off-by: Evan Quan <evan.quan at amd.com>
Reviewed-by: Huang Rui <ray.huang at amd.com>
> ---
> .../drm/amd/powerplay/hwmgr/vega12_hwmgr.c | 19 +++++++++++++++++++
> 1 file changed, 19 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
> index 57492878874f..8efa983c41de 100644
> --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
> +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_hwmgr.c
> @@ -2329,6 +2329,24 @@ static int vega12_get_thermal_temperature_range(struct pp_hwmgr *hwmgr,
> return 0;
> }
>
> +static int vega12_enable_gfx_off(struct pp_hwmgr *hwmgr)
> +{
> + return smum_send_msg_to_smc(hwmgr, PPSMC_MSG_AllowGfxOff);
> +}
> +
> +static int vega12_disable_gfx_off(struct pp_hwmgr *hwmgr)
> +{
> + return smum_send_msg_to_smc(hwmgr, PPSMC_MSG_DisallowGfxOff);
> +}
> +
> +static int vega12_gfx_off_control(struct pp_hwmgr *hwmgr, bool enable)
> +{
> + if (enable)
> + return vega12_enable_gfx_off(hwmgr);
> + else
> + return vega12_disable_gfx_off(hwmgr);
> +}
> +
> static const struct pp_hwmgr_func vega12_hwmgr_funcs = {
> .backend_init = vega12_hwmgr_backend_init,
> .backend_fini = vega12_hwmgr_backend_fini,
> @@ -2378,6 +2396,7 @@ static const struct pp_hwmgr_func vega12_hwmgr_funcs = {
> .get_thermal_temperature_range = vega12_get_thermal_temperature_range,
> .register_irq_handlers = smu9_register_irq_handlers,
> .start_thermal_controller = vega12_start_thermal_controller,
> + .gfx_off_control = vega12_gfx_off_control,
> };
>
> int vega12_hwmgr_init(struct pp_hwmgr *hwmgr)
> --
> 2.18.0
>
> _______________________________________________
> amd-gfx mailing list
> amd-gfx at lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/amd-gfx
