Reviewed-by: Kevin Wang <kevin1.wang@xxxxxxx>
On 8/12/19 4:22 PM, Chengming Gui wrote:
> add arcturus_is_dpm_running function
>
> Signed-off-by: Chengming Gui <Jack.Gui@xxxxxxx>
> ---
> 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)
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