[Bug 201275] Power consumption RX560 idle raised from 7 W to 13 W

[bugzilla-daemon@bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=201275

--- Comment #23 from quirin.blaeser@freenet.de ---
drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_services.c (v4.18.12)
There is a lot of work to do:

      230         for (i = 0; i < dc_clks->num_levels; i++) {
      231                 DRM_INFO("DM_PPLIB:\t %d\n", pp_clks->clock[i]);
      232                 /* translate 10kHz to kHz */
      233                 dc_clks->clocks_in_khz[i] = pp_clks->clock[i] * 10;
      234         }

      257         for (i = 0; i < clk_level_info->num_levels; i++) {
      258                 DRM_DEBUG("DM_PPLIB:\t %d in 10kHz\n",
pp_clks->data[i].clocks_in_khz);
      259                 /* translate 10kHz to kHz */
      260                 clk_level_info->data[i].clocks_in_khz
                            = pp_clks->data[i].clocks_in_khz * 10;
      261                 clk_level_info->data[i].latency_in_us
                            = pp_clks->data[i].latency_in_us;
      262         }

and maybe

      306         /* Translate 10 kHz to kHz. */
      307         validation_clks.engine_max_clock *= 10;
      308         validation_clks.memory_max_clock *= 10;


since 2017-09-12 15:58:20

bool dm_pp_get_clock_levels_by_type_with_voltage(
        const struct dc_context *ctx,
        enum dm_pp_clock_type clk_type,
        struct dm_pp_clock_levels_with_voltage *clk_level_info)
{
        /* TODO: to be implemented */
        return false;
}

bool dm_pp_notify_wm_clock_changes(
        const struct dc_context *ctx,
        struct dm_pp_wm_sets_with_clock_ranges *wm_with_clock_ranges)
{
        /* TODO: to be implemented */
        return false;
}

bool dm_pp_apply_power_level_change_request(
        const struct dc_context *ctx,
        struct dm_pp_power_level_change_request *level_change_req)
{
        /* TODO: to be implemented */
        return false;
}

bool dm_pp_apply_clock_for_voltage_request(
        const struct dc_context *ctx,
        struct dm_pp_clock_for_voltage_req *clock_for_voltage_req)
{
        /* TODO: to be implemented */
        return false;
}

bool dm_pp_get_static_clocks(
        const struct dc_context *ctx,
        struct dm_pp_static_clock_info *static_clk_info)
{
        /* TODO: to be implemented */
        return false;
}

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