[PATCH 2/2] drm/amd/powerplay: add arcturus_is_dpm_running function for arcturus

[Kevin Wang]

Reviewed-by: Kevin Wang <kevin1.wang at amd.com>

On 8/12/19 4:22 PM, Chengming Gui wrote:
> add arcturus_is_dpm_running function
>
> Signed-off-by: Chengming Gui <Jack.Gui at amd.com>
> ---
>   drivers/gpu/drm/amd/powerplay/arcturus_ppt.c | 21 +++++++++++++++++++++
>   1 file changed, 21 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
> index 03ce871..9107beb 100644
> --- a/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
> +++ b/drivers/gpu/drm/amd/powerplay/arcturus_ppt.c
> @@ -51,6 +51,15 @@
>   #define SMU_FEATURES_HIGH_MASK       0xFFFFFFFF00000000
>   #define SMU_FEATURES_HIGH_SHIFT      32
>   
> +#define SMC_DPM_FEATURE ( \
> +	FEATURE_DPM_PREFETCHER_MASK | \
> +	FEATURE_DPM_GFXCLK_MASK | \
> +	FEATURE_DPM_UCLK_MASK | \
> +	FEATURE_DPM_SOCCLK_MASK | \
> +	FEATURE_DPM_MP0CLK_MASK | \
> +	FEATURE_DPM_FCLK_MASK | \
> +	FEATURE_DPM_XGMI_MASK)
> +
>   /* possible frequency drift (1Mhz) */
>   #define EPSILON				1
>   
> @@ -1873,6 +1882,17 @@ static void arcturus_dump_pptable(struct smu_context *smu)
>   
>   }
>   
> +static bool arcturus_is_dpm_running(struct smu_context *smu)
> +{
> +	int ret = 0;
> +	uint32_t feature_mask[2];
> +	unsigned long feature_enabled;
> +	ret = smu_feature_get_enabled_mask(smu, feature_mask, 2);
> +	feature_enabled = (unsigned long)((uint64_t)feature_mask[0] |
> +			   ((uint64_t)feature_mask[1] << 32));
> +	return !!(feature_enabled & SMC_DPM_FEATURE);
> +}
> +
>   static const struct pptable_funcs arcturus_ppt_funcs = {
>   	/* translate smu index into arcturus specific index */
>   	.get_smu_msg_index = arcturus_get_smu_msg_index,
> @@ -1910,6 +1930,7 @@ static const struct pptable_funcs arcturus_ppt_funcs = {
>   	/* debug (internal used) */
>   	.dump_pptable = arcturus_dump_pptable,
>   	.get_power_limit = arcturus_get_power_limit,
> +	.is_dpm_running = arcturus_is_dpm_running,
>   };
>   
>   void arcturus_set_ppt_funcs(struct smu_context *smu)