drm/amd/amdgpu: add power profile support for CI

Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com>
Acked-by: Rex Zhu <Rex.Zhu@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Eric Huang 2016-10-14 14:21:19 -04:00 committed by Alex Deucher
parent 03609ebc4c
commit 618c048373
2 changed files with 259 additions and 0 deletions

View File

@ -3681,6 +3681,40 @@ static int ci_find_boot_level(struct ci_single_dpm_table *table,
return ret;
}
static void ci_save_default_power_profile(struct amdgpu_device *adev)
{
struct ci_power_info *pi = ci_get_pi(adev);
struct SMU7_Discrete_GraphicsLevel *levels =
pi->smc_state_table.GraphicsLevel;
uint32_t min_level = 0;
pi->default_gfx_power_profile.activity_threshold =
be16_to_cpu(levels[0].ActivityLevel);
pi->default_gfx_power_profile.up_hyst = levels[0].UpH;
pi->default_gfx_power_profile.down_hyst = levels[0].DownH;
pi->default_gfx_power_profile.type = AMD_PP_GFX_PROFILE;
pi->default_compute_power_profile = pi->default_gfx_power_profile;
pi->default_compute_power_profile.type = AMD_PP_COMPUTE_PROFILE;
/* Optimize compute power profile: Use only highest
* 2 power levels (if more than 2 are available), Hysteresis:
* 0ms up, 5ms down
*/
if (pi->smc_state_table.GraphicsDpmLevelCount > 2)
min_level = pi->smc_state_table.GraphicsDpmLevelCount - 2;
else if (pi->smc_state_table.GraphicsDpmLevelCount == 2)
min_level = 1;
pi->default_compute_power_profile.min_sclk =
be32_to_cpu(levels[min_level].SclkFrequency);
pi->default_compute_power_profile.up_hyst = 0;
pi->default_compute_power_profile.down_hyst = 5;
pi->gfx_power_profile = pi->default_gfx_power_profile;
pi->compute_power_profile = pi->default_compute_power_profile;
}
static int ci_init_smc_table(struct amdgpu_device *adev)
{
struct ci_power_info *pi = ci_get_pi(adev);
@ -3826,6 +3860,8 @@ static int ci_init_smc_table(struct amdgpu_device *adev)
if (ret)
return ret;
ci_save_default_power_profile(adev);
return 0;
}
@ -6688,6 +6724,218 @@ static int ci_dpm_set_mclk_od(struct amdgpu_device *adev, uint32_t value)
return 0;
}
static int ci_dpm_get_power_profile_state(struct amdgpu_device *adev,
struct amd_pp_profile *query)
{
struct ci_power_info *pi = ci_get_pi(adev);
if (!pi || !query)
return -EINVAL;
if (query->type == AMD_PP_GFX_PROFILE)
memcpy(query, &pi->gfx_power_profile,
sizeof(struct amd_pp_profile));
else if (query->type == AMD_PP_COMPUTE_PROFILE)
memcpy(query, &pi->compute_power_profile,
sizeof(struct amd_pp_profile));
else
return -EINVAL;
return 0;
}
static int ci_populate_requested_graphic_levels(struct amdgpu_device *adev,
struct amd_pp_profile *request)
{
struct ci_power_info *pi = ci_get_pi(adev);
struct ci_dpm_table *dpm_table = &(pi->dpm_table);
struct SMU7_Discrete_GraphicsLevel *levels =
pi->smc_state_table.GraphicsLevel;
uint32_t array = pi->dpm_table_start +
offsetof(SMU7_Discrete_DpmTable, GraphicsLevel);
uint32_t array_size = sizeof(struct SMU7_Discrete_GraphicsLevel) *
SMU7_MAX_LEVELS_GRAPHICS;
uint32_t i;
for (i = 0; i < dpm_table->sclk_table.count; i++) {
levels[i].ActivityLevel =
cpu_to_be16(request->activity_threshold);
levels[i].EnabledForActivity = 1;
levels[i].UpH = request->up_hyst;
levels[i].DownH = request->down_hyst;
}
return amdgpu_ci_copy_bytes_to_smc(adev, array, (uint8_t *)levels,
array_size, pi->sram_end);
}
static void ci_find_min_clock_masks(struct amdgpu_device *adev,
uint32_t *sclk_mask, uint32_t *mclk_mask,
uint32_t min_sclk, uint32_t min_mclk)
{
struct ci_power_info *pi = ci_get_pi(adev);
struct ci_dpm_table *dpm_table = &(pi->dpm_table);
uint32_t i;
for (i = 0; i < dpm_table->sclk_table.count; i++) {
if (dpm_table->sclk_table.dpm_levels[i].enabled &&
dpm_table->sclk_table.dpm_levels[i].value >= min_sclk)
*sclk_mask |= 1 << i;
}
for (i = 0; i < dpm_table->mclk_table.count; i++) {
if (dpm_table->mclk_table.dpm_levels[i].enabled &&
dpm_table->mclk_table.dpm_levels[i].value >= min_mclk)
*mclk_mask |= 1 << i;
}
}
static int ci_set_power_profile_state(struct amdgpu_device *adev,
struct amd_pp_profile *request)
{
struct ci_power_info *pi = ci_get_pi(adev);
int tmp_result, result = 0;
uint32_t sclk_mask = 0, mclk_mask = 0;
tmp_result = ci_freeze_sclk_mclk_dpm(adev);
if (tmp_result) {
DRM_ERROR("Failed to freeze SCLK MCLK DPM!");
result = tmp_result;
}
tmp_result = ci_populate_requested_graphic_levels(adev,
request);
if (tmp_result) {
DRM_ERROR("Failed to populate requested graphic levels!");
result = tmp_result;
}
tmp_result = ci_unfreeze_sclk_mclk_dpm(adev);
if (tmp_result) {
DRM_ERROR("Failed to unfreeze SCLK MCLK DPM!");
result = tmp_result;
}
ci_find_min_clock_masks(adev, &sclk_mask, &mclk_mask,
request->min_sclk, request->min_mclk);
if (sclk_mask) {
if (!pi->sclk_dpm_key_disabled)
amdgpu_ci_send_msg_to_smc_with_parameter(
adev,
PPSMC_MSG_SCLKDPM_SetEnabledMask,
pi->dpm_level_enable_mask.
sclk_dpm_enable_mask &
sclk_mask);
}
if (mclk_mask) {
if (!pi->mclk_dpm_key_disabled)
amdgpu_ci_send_msg_to_smc_with_parameter(
adev,
PPSMC_MSG_MCLKDPM_SetEnabledMask,
pi->dpm_level_enable_mask.
mclk_dpm_enable_mask &
mclk_mask);
}
return result;
}
static int ci_dpm_set_power_profile_state(struct amdgpu_device *adev,
struct amd_pp_profile *request)
{
struct ci_power_info *pi = ci_get_pi(adev);
int ret = -1;
if (!pi || !request)
return -EINVAL;
if (adev->pm.dpm.forced_level !=
AMD_DPM_FORCED_LEVEL_AUTO)
return -EINVAL;
if (request->min_sclk ||
request->min_mclk ||
request->activity_threshold ||
request->up_hyst ||
request->down_hyst) {
if (request->type == AMD_PP_GFX_PROFILE)
memcpy(&pi->gfx_power_profile, request,
sizeof(struct amd_pp_profile));
else if (request->type == AMD_PP_COMPUTE_PROFILE)
memcpy(&pi->compute_power_profile, request,
sizeof(struct amd_pp_profile));
else
return -EINVAL;
if (request->type == pi->current_power_profile)
ret = ci_set_power_profile_state(
adev,
request);
} else {
/* set power profile if it exists */
switch (request->type) {
case AMD_PP_GFX_PROFILE:
ret = ci_set_power_profile_state(
adev,
&pi->gfx_power_profile);
break;
case AMD_PP_COMPUTE_PROFILE:
ret = ci_set_power_profile_state(
adev,
&pi->compute_power_profile);
break;
default:
return -EINVAL;
}
}
if (!ret)
pi->current_power_profile = request->type;
return 0;
}
static int ci_dpm_reset_power_profile_state(struct amdgpu_device *adev,
struct amd_pp_profile *request)
{
struct ci_power_info *pi = ci_get_pi(adev);
if (!pi || !request)
return -EINVAL;
if (request->type == AMD_PP_GFX_PROFILE) {
pi->gfx_power_profile = pi->default_gfx_power_profile;
return ci_dpm_set_power_profile_state(adev,
&pi->gfx_power_profile);
} else if (request->type == AMD_PP_COMPUTE_PROFILE) {
pi->compute_power_profile =
pi->default_compute_power_profile;
return ci_dpm_set_power_profile_state(adev,
&pi->compute_power_profile);
} else
return -EINVAL;
}
static int ci_dpm_switch_power_profile(struct amdgpu_device *adev,
enum amd_pp_profile_type type)
{
struct ci_power_info *pi = ci_get_pi(adev);
struct amd_pp_profile request = {0};
if (!pi)
return -EINVAL;
if (pi->current_power_profile != type) {
request.type = type;
return ci_dpm_set_power_profile_state(adev, &request);
}
return 0;
}
const struct amd_ip_funcs ci_dpm_ip_funcs = {
.name = "ci_dpm",
.early_init = ci_dpm_early_init,
@ -6730,6 +6978,10 @@ static const struct amdgpu_dpm_funcs ci_dpm_funcs = {
.set_mclk_od = ci_dpm_set_mclk_od,
.check_state_equal = ci_check_state_equal,
.get_vce_clock_state = amdgpu_get_vce_clock_state,
.get_power_profile_state = ci_dpm_get_power_profile_state,
.set_power_profile_state = ci_dpm_set_power_profile_state,
.reset_power_profile_state = ci_dpm_reset_power_profile_state,
.switch_power_profile = ci_dpm_switch_power_profile,
};
static void ci_dpm_set_dpm_funcs(struct amdgpu_device *adev)

View File

@ -295,6 +295,13 @@ struct ci_power_info {
bool fan_is_controlled_by_smc;
u32 t_min;
u32 fan_ctrl_default_mode;
/* power profile */
struct amd_pp_profile gfx_power_profile;
struct amd_pp_profile compute_power_profile;
struct amd_pp_profile default_gfx_power_profile;
struct amd_pp_profile default_compute_power_profile;
enum amd_pp_profile_type current_power_profile;
};
#define CISLANDS_VOLTAGE_CONTROL_NONE 0x0