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author | Alex Deucher <alexander.deucher@amd.com> | 2013-04-12 20:40:41 (GMT) |
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committer | Alex Deucher <alexander.deucher@amd.com> | 2013-06-27 23:15:45 (GMT) |
commit | d70229f704474b2932e03367a528773e336f6205 (patch) | |
tree | 8e56480f4073505457f212706f7f3f81b89583bc /drivers/gpu/drm/radeon/trinity_dpm.h | |
parent | 80ea2c129c76a4159a93efeaef4385b6c964dfac (diff) | |
download | linux-fsl-qoriq-d70229f704474b2932e03367a528773e336f6205.tar.xz |
drm/radeon/kms: add dpm support for trinity asics
This adds dpm support for trinity asics. This includes:
- clockgating
- powergating
- dynamic engine clock scaling
- dynamic voltage scaling
set radeon.dpm=1 to enable it.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/trinity_dpm.h')
-rw-r--r-- | drivers/gpu/drm/radeon/trinity_dpm.h | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/trinity_dpm.h b/drivers/gpu/drm/radeon/trinity_dpm.h new file mode 100644 index 0000000..15e050f --- /dev/null +++ b/drivers/gpu/drm/radeon/trinity_dpm.h @@ -0,0 +1,110 @@ +/* + * Copyright 2012 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ +#ifndef __TRINITY_DPM_H__ +#define __TRINITY_DPM_H__ + +#include "sumo_dpm.h" + +#define TRINITY_SIZEOF_DPM_STATE_TABLE (SMU_SCLK_DPM_STATE_1_CNTL_0 - SMU_SCLK_DPM_STATE_0_CNTL_0) + +struct trinity_pl { + u32 sclk; + u8 vddc_index; + u8 ds_divider_index; + u8 ss_divider_index; + u8 allow_gnb_slow; + u8 force_nbp_state; + u8 display_wm; + u8 vce_wm; +}; + +#define TRINITY_POWERSTATE_FLAGS_NBPS_FORCEHIGH (1 << 0) +#define TRINITY_POWERSTATE_FLAGS_NBPS_LOCKTOHIGH (1 << 1) +#define TRINITY_POWERSTATE_FLAGS_NBPS_LOCKTOLOW (1 << 2) + +#define TRINITY_POWERSTATE_FLAGS_BAPM_DISABLE (1 << 0) + +struct trinity_ps { + u32 num_levels; + struct trinity_pl levels[SUMO_MAX_HARDWARE_POWERLEVELS]; + + u32 nbps_flags; + u32 bapm_flags; + + u8 Dpm0PgNbPsLo; + u8 Dpm0PgNbPsHi; + u8 DpmXNbPsLo; + u8 DpmXNbPsHi; +}; + +#define TRINITY_NUM_NBPSTATES 4 + +struct trinity_sys_info { + u32 bootup_uma_clk; + u32 bootup_sclk; + u32 min_sclk; + u32 nb_dpm_enable; + u32 nbp_mclk[TRINITY_NUM_NBPSTATES]; + u32 nbp_nclk[TRINITY_NUM_NBPSTATES]; + u16 nbp_voltage_index[TRINITY_NUM_NBPSTATES]; + u16 bootup_nb_voltage_index; + u8 htc_tmp_lmt; + u8 htc_hyst_lmt; + struct sumo_sclk_voltage_mapping_table sclk_voltage_mapping_table; + struct sumo_vid_mapping_table vid_mapping_table; + u32 uma_channel_number; +}; + +struct trinity_power_info { + u32 at[SUMO_MAX_HARDWARE_POWERLEVELS]; + u32 dpm_interval; + u32 thermal_auto_throttling; + struct trinity_sys_info sys_info; + struct trinity_pl boot_pl; + struct trinity_ps current_ps; + u32 min_sclk_did; + bool enable_nbps_policy; + bool voltage_drop_in_dce; + bool override_dynamic_mgpg; + bool enable_gfx_clock_gating; + bool enable_gfx_power_gating; + bool enable_mg_clock_gating; + bool enable_gfx_dynamic_mgpg; + bool enable_auto_thermal_throttling; + bool enable_dpm; + bool enable_sclk_ds; +}; + +#define TRINITY_AT_DFLT 30 + +/* trinity_smc.c */ +int trinity_dpm_config(struct radeon_device *rdev, bool enable); +int trinity_dpm_force_state(struct radeon_device *rdev, u32 n); +int trinity_dpm_no_forced_level(struct radeon_device *rdev); +int trinity_dce_enable_voltage_adjustment(struct radeon_device *rdev, + bool enable); +int trinity_gfx_dynamic_mgpg_config(struct radeon_device *rdev); +void trinity_acquire_mutex(struct radeon_device *rdev); +void trinity_release_mutex(struct radeon_device *rdev); + +#endif |