[PATCH 5/6] drm/amdgpu/powerplay: add an implementation for get_vce_clock_table

[Alex Deucher]

Rex what is your opinion on exposing the amdgpu drm structure through
to powerplay?  We could do an intermediate interface, but that just
seems like extra hoops to jump through for pretty questionable gain.

Alex

On Fri, Oct 7, 2016 at 2:28 PM, Alex Deucher <alexdeucher at gmail.com> wrote:
> Used by the powerplay dpm code.
>
> Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
> ---
>  drivers/gpu/drm/amd/powerplay/amd_powerplay.c | 24 ++++++++++++++++++++++++
>  1 file changed, 24 insertions(+)
>
> diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
> index bb8a345..8eee390 100644
> --- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
> +++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
> @@ -30,6 +30,7 @@
>  #include "power_state.h"
>  #include "eventmanager.h"
>  #include "pp_debug.h"
> +#include "drm/amdgpu_drm.h"
>
>
>  #define PP_CHECK(handle)                                               \
> @@ -821,6 +822,28 @@ static int pp_dpm_read_sensor(void *handle, int idx, int32_t *value)
>         return hwmgr->hwmgr_func->read_sensor(hwmgr, idx, value);
>  }
>
> +static struct drm_amdgpu_info_vce_clock_table
> +pp_dpm_get_vce_clock_table(void *handle)
> +{
> +       struct drm_amdgpu_info_vce_clock_table vce_clk_table = {};
> +       struct pp_hwmgr *hwmgr;
> +       unsigned i;
> +
> +       if (handle) {
> +               hwmgr = ((struct pp_instance *)handle)->hwmgr;
> +
> +               if (hwmgr) {
> +                       for (i = 0; i < AMDGPU_VCE_CLOCK_TABLE_ENTRIES; i++) {
> +                               vce_clk_table.entries[i].sclk = hwmgr->vce_states[i].sclk;
> +                               vce_clk_table.entries[i].mclk = hwmgr->vce_states[i].mclk;
> +                               vce_clk_table.entries[i].eclk = hwmgr->vce_states[i].evclk;
> +                       }
> +               }
> +       }
> +
> +       return vce_clk_table;
> +}
> +
>  const struct amd_powerplay_funcs pp_dpm_funcs = {
>         .get_temperature = pp_dpm_get_temperature,
>         .load_firmware = pp_dpm_load_fw,
> @@ -847,6 +870,7 @@ const struct amd_powerplay_funcs pp_dpm_funcs = {
>         .get_mclk_od = pp_dpm_get_mclk_od,
>         .set_mclk_od = pp_dpm_set_mclk_od,
>         .read_sensor = pp_dpm_read_sensor,
> +       .get_vce_clock_table = pp_dpm_get_vce_clock_table,
>  };
>
>  static int amd_pp_instance_init(struct amd_pp_init *pp_init,
> --
> 2.5.5
>