From: Chengming Gui <[email protected]> add enable_umd_pstate to support sys interface for SMU11.
Signed-off-by: Chengming Gui <[email protected]> Reviewed-by: Huang Rui <[email protected]> --- drivers/gpu/drm/amd/include/amd_shared.h | 3 ++ drivers/gpu/drm/amd/powerplay/amdgpu_smu.c | 44 ++++++++++++++++++++++++++ drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h | 4 +++ 3 files changed, 51 insertions(+) diff --git a/drivers/gpu/drm/amd/include/amd_shared.h b/drivers/gpu/drm/amd/include/amd_shared.h index 470d7b8..574bf6e 100644 --- a/drivers/gpu/drm/amd/include/amd_shared.h +++ b/drivers/gpu/drm/amd/include/amd_shared.h @@ -137,6 +137,7 @@ enum DC_FEATURE_MASK { DC_FBC_MASK = 0x1, }; +enum amd_dpm_forced_level; /** * struct amd_ip_funcs - general hooks for managing amdgpu IP Blocks */ @@ -186,6 +187,8 @@ struct amd_ip_funcs { enum amd_powergating_state state); /** @get_clockgating_state: get current clockgating status */ void (*get_clockgating_state)(void *handle, u32 *flags); + /** @enable_umd_pstate: enable UMD powerstate */ + int (*enable_umd_pstate)(void *handle, enum amd_dpm_forced_level *level); }; diff --git a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c index 04be1e0..2fe3b57 100644 --- a/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c +++ b/drivers/gpu/drm/amd/powerplay/amdgpu_smu.c @@ -940,6 +940,49 @@ static int smu_set_powergating_state(void *handle, return 0; } +static int smu_enable_umd_pstate(void *handle, + enum amd_dpm_forced_level *level) +{ + uint32_t profile_mode_mask = AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD | + AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK | + AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK | + AMD_DPM_FORCED_LEVEL_PROFILE_PEAK; + + struct smu_context *smu = (struct smu_context*)(handle); + struct smu_dpm_context *smu_dpm_ctx = &(smu->smu_dpm); + if (!smu_dpm_ctx->dpm_context) + return -EINVAL; + + if (!(smu_dpm_ctx->dpm_level & profile_mode_mask)) { + /* enter umd pstate, save current level, disable gfx cg*/ + if (*level & profile_mode_mask) { + smu_dpm_ctx->saved_dpm_level = smu_dpm_ctx->dpm_level; + smu_dpm_ctx->enable_umd_pstate = true; + amdgpu_device_ip_set_clockgating_state(smu->adev, + AMD_IP_BLOCK_TYPE_GFX, + AMD_CG_STATE_UNGATE); + amdgpu_device_ip_set_powergating_state(smu->adev, + AMD_IP_BLOCK_TYPE_GFX, + AMD_PG_STATE_UNGATE); + } + } else { + /* exit umd pstate, restore level, enable gfx cg*/ + if (!(*level & profile_mode_mask)) { + if (*level == AMD_DPM_FORCED_LEVEL_PROFILE_EXIT) + *level = smu_dpm_ctx->saved_dpm_level; + smu_dpm_ctx->enable_umd_pstate = false; + amdgpu_device_ip_set_clockgating_state(smu->adev, + AMD_IP_BLOCK_TYPE_GFX, + AMD_CG_STATE_GATE); + amdgpu_device_ip_set_powergating_state(smu->adev, + AMD_IP_BLOCK_TYPE_GFX, + AMD_PG_STATE_GATE); + } + } + + return 0; +} + const struct amd_ip_funcs smu_ip_funcs = { .name = "smu", .early_init = smu_early_init, @@ -956,6 +999,7 @@ const struct amd_ip_funcs smu_ip_funcs = { .soft_reset = NULL, .set_clockgating_state = smu_set_clockgating_state, .set_powergating_state = smu_set_powergating_state, + .enable_umd_pstate = smu_enable_umd_pstate, }; const struct amdgpu_ip_block_version smu_v11_0_ip_block = diff --git a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h index c022cdf..bcd7479 100644 --- a/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h +++ b/drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h @@ -316,6 +316,10 @@ struct smu_dpm_context { uint32_t dpm_context_size; void *dpm_context; void *golden_dpm_context; + bool enable_umd_pstate; + enum amd_dpm_forced_level dpm_level; + enum amd_dpm_forced_level saved_dpm_level; + enum amd_dpm_forced_level requested_dpm_level; struct smu_power_state *dpm_request_power_state; struct smu_power_state *dpm_current_power_state; struct mclock_latency_table *mclk_latency_table; -- 2.7.4 _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
