[PATCH 2/2] drm/radeon: remove never called dpm functions

Alex Deucher alexdeucher at gmail.com
Thu Oct 16 07:34:54 PDT 2014


On Tue, Oct 14, 2014 at 12:25 PM, Michele Curti <michele.curti at gmail.com> wrote:
> remove some dpm functions never called, mostly xxx_dpm_reset_asic
> functions. Here the list:
>  * btc_dpm_reset_asic
>  * ci_power_control_set_level
>  * ci_set_boot_state
>  * ci_dpm_power_control_set_level
>  * ci_dpm_reset_asic
>  * cypress_dpm_reset_asic
>  * kv_dpm_reset_asic
>  * ni_dpm_reset_asic
>  * rv770_dpm_reset_asic
>  * si_set_boot_state
>  * si_dpm_reset_asic
>  * sumo_dpm_reset_asic
>  * trinity_dpm_reset_asic
>
> Signed-off-by: Michele Curti <michele.curti at gmail.com>

I'd like to keep the code around for reference.

Thanks!

Alex

> ---
>  drivers/gpu/drm/radeon/btc_dpm.c     |  8 --------
>  drivers/gpu/drm/radeon/ci_dpm.c      | 39 ------------------------------------
>  drivers/gpu/drm/radeon/cypress_dpm.c |  6 ------
>  drivers/gpu/drm/radeon/kv_dpm.c      | 21 -------------------
>  drivers/gpu/drm/radeon/ni_dpm.c      |  6 ------
>  drivers/gpu/drm/radeon/rv770_dpm.c   | 13 ------------
>  drivers/gpu/drm/radeon/si_dpm.c      | 14 -------------
>  drivers/gpu/drm/radeon/sumo_dpm.c    | 12 -----------
>  drivers/gpu/drm/radeon/trinity_dpm.c | 16 ---------------
>  9 files changed, 135 deletions(-)
>
> diff --git a/drivers/gpu/drm/radeon/btc_dpm.c b/drivers/gpu/drm/radeon/btc_dpm.c
> index d6243f1..b3f1919 100644
> --- a/drivers/gpu/drm/radeon/btc_dpm.c
> +++ b/drivers/gpu/drm/radeon/btc_dpm.c
> @@ -2260,14 +2260,6 @@ static void btc_update_requested_ps(struct radeon_device *rdev,
>         eg_pi->requested_rps.ps_priv = &eg_pi->requested_ps;
>  }
>
> -void btc_dpm_reset_asic(struct radeon_device *rdev)
> -{
> -       rv770_restrict_performance_levels_before_switch(rdev);
> -       btc_disable_ulv(rdev);
> -       btc_set_boot_state_timing(rdev);
> -       rv770_set_boot_state(rdev);
> -}
> -
>  int btc_dpm_pre_set_power_state(struct radeon_device *rdev)
>  {
>         struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
> diff --git a/drivers/gpu/drm/radeon/ci_dpm.c b/drivers/gpu/drm/radeon/ci_dpm.c
> index 11a55e9..75e9622 100644
> --- a/drivers/gpu/drm/radeon/ci_dpm.c
> +++ b/drivers/gpu/drm/radeon/ci_dpm.c
> @@ -690,30 +690,6 @@ static int ci_enable_smc_cac(struct radeon_device *rdev, bool enable)
>         return ret;
>  }
>
> -static int ci_power_control_set_level(struct radeon_device *rdev)
> -{
> -       struct ci_power_info *pi = ci_get_pi(rdev);
> -       struct radeon_cac_tdp_table *cac_tdp_table =
> -               rdev->pm.dpm.dyn_state.cac_tdp_table;
> -       s32 adjust_percent;
> -       s32 target_tdp;
> -       int ret = 0;
> -       bool adjust_polarity = false; /* ??? */
> -
> -       if (pi->caps_power_containment &&
> -           (pi->power_containment_features & POWERCONTAINMENT_FEATURE_BAPM)) {
> -               adjust_percent = adjust_polarity ?
> -                       rdev->pm.dpm.tdp_adjustment : (-1 * rdev->pm.dpm.tdp_adjustment);
> -               target_tdp = ((100 + adjust_percent) *
> -                             (s32)cac_tdp_table->configurable_tdp) / 100;
> -               target_tdp *= 256;
> -
> -               ret = ci_set_overdrive_target_tdp(rdev, (u32)target_tdp);
> -       }
> -
> -       return ret;
> -}
> -
>  void ci_dpm_powergate_uvd(struct radeon_device *rdev, bool gate)
>  {
>         struct ci_power_info *pi = ci_get_pi(rdev);
> @@ -1313,11 +1289,6 @@ static int ci_set_overdrive_target_tdp(struct radeon_device *rdev,
>         return 0;
>  }
>
> -static int ci_set_boot_state(struct radeon_device *rdev)
> -{
> -       return ci_enable_sclk_mclk_dpm(rdev, false);
> -}
> -
>  static u32 ci_get_average_sclk_freq(struct radeon_device *rdev)
>  {
>         u32 sclk_freq;
> @@ -4804,16 +4775,6 @@ int ci_dpm_set_power_state(struct radeon_device *rdev)
>         return 0;
>  }
>
> -int ci_dpm_power_control_set_level(struct radeon_device *rdev)
> -{
> -       return ci_power_control_set_level(rdev);
> -}
> -
> -void ci_dpm_reset_asic(struct radeon_device *rdev)
> -{
> -       ci_set_boot_state(rdev);
> -}
> -
>  void ci_dpm_display_configuration_changed(struct radeon_device *rdev)
>  {
>         ci_program_display_gap(rdev);
> diff --git a/drivers/gpu/drm/radeon/cypress_dpm.c b/drivers/gpu/drm/radeon/cypress_dpm.c
> index 9aad032..d3f8208 100644
> --- a/drivers/gpu/drm/radeon/cypress_dpm.c
> +++ b/drivers/gpu/drm/radeon/cypress_dpm.c
> @@ -2005,12 +2005,6 @@ int cypress_dpm_set_power_state(struct radeon_device *rdev)
>         return 0;
>  }
>
> -void cypress_dpm_reset_asic(struct radeon_device *rdev)
> -{
> -       rv770_restrict_performance_levels_before_switch(rdev);
> -       rv770_set_boot_state(rdev);
> -}
> -
>  void cypress_dpm_display_configuration_changed(struct radeon_device *rdev)
>  {
>         cypress_program_display_gap(rdev);
> diff --git a/drivers/gpu/drm/radeon/kv_dpm.c b/drivers/gpu/drm/radeon/kv_dpm.c
> index 1dd976f..6889a79 100644
> --- a/drivers/gpu/drm/radeon/kv_dpm.c
> +++ b/drivers/gpu/drm/radeon/kv_dpm.c
> @@ -1925,27 +1925,6 @@ void kv_dpm_setup_asic(struct radeon_device *rdev)
>         kv_init_sclk_t(rdev);
>  }
>
> -void kv_dpm_reset_asic(struct radeon_device *rdev)
> -{
> -       struct kv_power_info *pi = kv_get_pi(rdev);
> -
> -       if (rdev->family == CHIP_KABINI || rdev->family == CHIP_MULLINS) {
> -               kv_force_lowest_valid(rdev);
> -               kv_init_graphics_levels(rdev);
> -               kv_program_bootup_state(rdev);
> -               kv_upload_dpm_settings(rdev);
> -               kv_force_lowest_valid(rdev);
> -               kv_unforce_levels(rdev);
> -       } else {
> -               kv_init_graphics_levels(rdev);
> -               kv_program_bootup_state(rdev);
> -               kv_freeze_sclk_dpm(rdev, true);
> -               kv_upload_dpm_settings(rdev);
> -               kv_freeze_sclk_dpm(rdev, false);
> -               kv_set_enabled_level(rdev, pi->graphics_boot_level);
> -       }
> -}
> -
>  //XXX use sumo_dpm_display_configuration_changed
>
>  static void kv_construct_max_power_limits_table(struct radeon_device *rdev,
> diff --git a/drivers/gpu/drm/radeon/ni_dpm.c b/drivers/gpu/drm/radeon/ni_dpm.c
> index 6d2f16c..dcd5568 100644
> --- a/drivers/gpu/drm/radeon/ni_dpm.c
> +++ b/drivers/gpu/drm/radeon/ni_dpm.c
> @@ -3862,12 +3862,6 @@ void ni_dpm_post_set_power_state(struct radeon_device *rdev)
>         ni_update_current_ps(rdev, new_ps);
>  }
>
> -void ni_dpm_reset_asic(struct radeon_device *rdev)
> -{
> -       ni_restrict_performance_levels_before_switch(rdev);
> -       rv770_set_boot_state(rdev);
> -}
> -
>  union power_info {
>         struct _ATOM_POWERPLAY_INFO info;
>         struct _ATOM_POWERPLAY_INFO_V2 info_2;
> diff --git a/drivers/gpu/drm/radeon/rv770_dpm.c b/drivers/gpu/drm/radeon/rv770_dpm.c
> index 755a8f9..8ee6ff5 100644
> --- a/drivers/gpu/drm/radeon/rv770_dpm.c
> +++ b/drivers/gpu/drm/radeon/rv770_dpm.c
> @@ -2075,19 +2075,6 @@ int rv770_dpm_set_power_state(struct radeon_device *rdev)
>         return 0;
>  }
>
> -void rv770_dpm_reset_asic(struct radeon_device *rdev)
> -{
> -       struct rv7xx_power_info *pi = rv770_get_pi(rdev);
> -       struct radeon_ps *boot_ps = rdev->pm.dpm.boot_ps;
> -
> -       rv770_restrict_performance_levels_before_switch(rdev);
> -       if (pi->dcodt)
> -               rv770_program_dcodt_before_state_switch(rdev, boot_ps, boot_ps);
> -       rv770_set_boot_state(rdev);
> -       if (pi->dcodt)
> -               rv770_program_dcodt_after_state_switch(rdev, boot_ps, boot_ps);
> -}
> -
>  void rv770_dpm_setup_asic(struct radeon_device *rdev)
>  {
>         struct rv7xx_power_info *pi = rv770_get_pi(rdev);
> diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c
> index 267949a..f06c6f9 100644
> --- a/drivers/gpu/drm/radeon/si_dpm.c
> +++ b/drivers/gpu/drm/radeon/si_dpm.c
> @@ -3296,12 +3296,6 @@ int si_dpm_force_performance_level(struct radeon_device *rdev,
>         return 0;
>  }
>
> -static int si_set_boot_state(struct radeon_device *rdev)
> -{
> -       return (si_send_msg_to_smc(rdev, PPSMC_MSG_SwitchToInitialState) == PPSMC_Result_OK) ?
> -               0 : -EINVAL;
> -}
> -
>  static int si_set_sw_state(struct radeon_device *rdev)
>  {
>         return (si_send_msg_to_smc(rdev, PPSMC_MSG_SwitchToSwState) == PPSMC_Result_OK) ?
> @@ -6129,14 +6123,6 @@ void si_dpm_post_set_power_state(struct radeon_device *rdev)
>         ni_update_current_ps(rdev, new_ps);
>  }
>
> -
> -void si_dpm_reset_asic(struct radeon_device *rdev)
> -{
> -       si_restrict_performance_levels_before_switch(rdev);
> -       si_disable_ulv(rdev);
> -       si_set_boot_state(rdev);
> -}
> -
>  void si_dpm_display_configuration_changed(struct radeon_device *rdev)
>  {
>         si_program_display_gap(rdev);
> diff --git a/drivers/gpu/drm/radeon/sumo_dpm.c b/drivers/gpu/drm/radeon/sumo_dpm.c
> index 1f8a883..698e785 100644
> --- a/drivers/gpu/drm/radeon/sumo_dpm.c
> +++ b/drivers/gpu/drm/radeon/sumo_dpm.c
> @@ -1338,18 +1338,6 @@ void sumo_dpm_post_set_power_state(struct radeon_device *rdev)
>         sumo_update_current_ps(rdev, new_ps);
>  }
>
> -void sumo_dpm_reset_asic(struct radeon_device *rdev)
> -{
> -       sumo_program_bootup_state(rdev);
> -       sumo_enable_power_level_0(rdev);
> -       sumo_set_forced_level_0(rdev);
> -       sumo_set_forced_mode_enabled(rdev);
> -       sumo_wait_for_level_0(rdev);
> -       sumo_set_forced_mode_disabled(rdev);
> -       sumo_set_forced_mode_enabled(rdev);
> -       sumo_set_forced_mode_disabled(rdev);
> -}
> -
>  void sumo_dpm_setup_asic(struct radeon_device *rdev)
>  {
>         struct sumo_power_info *pi = sumo_get_pi(rdev);
> diff --git a/drivers/gpu/drm/radeon/trinity_dpm.c b/drivers/gpu/drm/radeon/trinity_dpm.c
> index b4ec5c4..7428da0 100644
> --- a/drivers/gpu/drm/radeon/trinity_dpm.c
> +++ b/drivers/gpu/drm/radeon/trinity_dpm.c
> @@ -1269,22 +1269,6 @@ void trinity_dpm_setup_asic(struct radeon_device *rdev)
>         trinity_release_mutex(rdev);
>  }
>
> -void trinity_dpm_reset_asic(struct radeon_device *rdev)
> -{
> -       struct trinity_power_info *pi = trinity_get_pi(rdev);
> -
> -       trinity_acquire_mutex(rdev);
> -       if (pi->enable_dpm) {
> -               trinity_enable_power_level_0(rdev);
> -               trinity_force_level_0(rdev);
> -               trinity_wait_for_level_0(rdev);
> -               trinity_program_bootup_state(rdev);
> -               trinity_force_level_0(rdev);
> -               trinity_unforce_levels(rdev);
> -       }
> -       trinity_release_mutex(rdev);
> -}
> -
>  static u16 trinity_convert_voltage_index_to_value(struct radeon_device *rdev,
>                                                   u32 vid_2bit)
>  {
> --
> 2.1.2
>
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