[PATCH 14/21] drm/amd/powerplay: add JPEG power control for Renoir

Quan, Evan Evan.Quan at amd.com
Wed Nov 13 03:52:42 UTC 2019


On Renior, both SMU_MSG_PowerDownJpeg and SMU_MSG_PowerUpJpeg need an argument.

> -----Original Message-----
> From: amd-gfx <amd-gfx-bounces at lists.freedesktop.org> On Behalf Of Leo Liu
> Sent: Wednesday, November 13, 2019 2:03 AM
> To: amd-gfx at lists.freedesktop.org
> Cc: Liu, Leo <Leo.Liu at amd.com>
> Subject: [PATCH 14/21] drm/amd/powerplay: add JPEG power control for
> Renoir
> 
> By using its own JPEG PowerUp and PowerDown messages
> 
> Signed-off-by: Leo Liu <leo.liu at amd.com>
> ---
>  drivers/gpu/drm/amd/powerplay/renoir_ppt.c | 26 ++++++++++++++++++++++
>  1 file changed, 26 insertions(+)
> 
> diff --git a/drivers/gpu/drm/amd/powerplay/renoir_ppt.c
> b/drivers/gpu/drm/amd/powerplay/renoir_ppt.c
> index 492a201554e8..f561fb9cc951 100644
> --- a/drivers/gpu/drm/amd/powerplay/renoir_ppt.c
> +++ b/drivers/gpu/drm/amd/powerplay/renoir_ppt.c
> @@ -301,6 +301,31 @@ static int renoir_dpm_set_uvd_enable(struct
> smu_context *smu, bool enable)
>  	return ret;
>  }
> 
> +static int renoir_dpm_set_jpeg_enable(struct smu_context *smu, bool
> +enable) {
> +	struct smu_power_context *smu_power = &smu->smu_power;
> +	struct smu_power_gate *power_gate = &smu_power->power_gate;
> +	int ret = 0;
> +
> +	if (enable) {
> +		if (smu_feature_is_enabled(smu,
> SMU_FEATURE_JPEG_PG_BIT)) {
> +			ret = smu_send_smc_msg_with_param(smu,
> SMU_MSG_PowerUpJpeg, 0);
> +			if (ret)
> +				return ret;
> +		}
> +		power_gate->jpeg_gated = false;
> +	} else {
> +		if (smu_feature_is_enabled(smu,
> SMU_FEATURE_JPEG_PG_BIT)) {
> +			ret = smu_send_smc_msg(smu,
> SMU_MSG_PowerDownJpeg);
> +			if (ret)
> +				return ret;
> +		}
> +		power_gate->jpeg_gated = true;
> +	}
> +
> +	return ret;
> +}
> +
>  static int renoir_force_dpm_limit_value(struct smu_context *smu, bool highest)
> {
>  	int ret = 0, i = 0;
> @@ -683,6 +708,7 @@ static const struct pptable_funcs renoir_ppt_funcs = {
>  	.print_clk_levels = renoir_print_clk_levels,
>  	.get_current_power_state = renoir_get_current_power_state,
>  	.dpm_set_uvd_enable = renoir_dpm_set_uvd_enable,
> +	.dpm_set_jpeg_enable = renoir_dpm_set_jpeg_enable,
>  	.force_dpm_limit_value = renoir_force_dpm_limit_value,
>  	.unforce_dpm_levels = renoir_unforce_dpm_levels,
>  	.get_workload_type = renoir_get_workload_type,
> --
> 2.17.1
> 
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