AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2024-12-24 03:07:29 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

drm/amd/powerplay: add enable_umd_pstate functions for SMU11

Browse Source 
add enable_umd_pstate to support sys interface for SMU11.

Signed-off-by: Chengming Gui <Jack.Gui@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Chengming Gui 2019-01-17 17:57:18 +08:00 committed by Alex Deucher
parent b3c139d537
commit 49d27e91cf
3 changed files with 51 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/gpu/drm/amd/include/amd_shared.h
View File

@ -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);
};

44
drivers/gpu/drm/amd/powerplay/amdgpu_smu.c
View File

@ -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 =

4
drivers/gpu/drm/amd/powerplay/inc/amdgpu_smu.h
View File

@ -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;