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raspberrypi-kernel
提交 51a8de02 编写于 作者: A Alex Deucher
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drm/radeon/dpm/cayman: restructure code 

Needed to properly handle dynamic state adjustment.
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>
上级 4cb3a02f
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Showing with 36 addition and 33 deletion
drivers/gpu/drm/radeon/ni_dpm.c
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......@@ -788,10 +788,10 @@ static void ni_calculate_leakage_for_v_and_t(struct radeon_device *rdev,
ni_calculate_leakage_for_v_and_t_formula(coeff, v, t, i_leakage, leakage);
}
static void ni_apply_state_adjust_rules(struct radeon_device *rdev)
static void ni_apply_state_adjust_rules(struct radeon_device *rdev,
struct radeon_ps *rps)
{
struct ni_power_info *ni_pi = ni_get_pi(rdev);
struct radeon_ps *rps = rdev->pm.dpm.requested_ps;
struct ni_ps *ps = ni_get_ps(rps);
struct radeon_clock_and_voltage_limits *max_limits;
bool disable_mclk_switching;
......@@ -1447,13 +1447,13 @@ static int ni_calculate_adjusted_tdp_limits(struct radeon_device *rdev,
return 0;
}
static int ni_populate_smc_tdp_limits(struct radeon_device *rdev)
static int ni_populate_smc_tdp_limits(struct radeon_device *rdev,
struct radeon_ps *radeon_state)
{
struct rv7xx_power_info *pi = rv770_get_pi(rdev);
struct ni_power_info *ni_pi = ni_get_pi(rdev);
if (ni_pi->enable_power_containment) {
struct radeon_ps *radeon_state = rdev->pm.dpm.requested_ps;
NISLANDS_SMC_STATETABLE *smc_table = &ni_pi->smc_statetable;
u32 scaling_factor = ni_get_smc_power_scaling_factor(rdev);
u32 tdp_limit;
......@@ -1660,10 +1660,9 @@ static int ni_do_program_memory_timing_parameters(struct radeon_device *rdev,
return ret;
}
static int ni_program_memory_timing_parameters(struct radeon_device *rdev)
static int ni_program_memory_timing_parameters(struct radeon_device *rdev,
struct radeon_ps *radeon_new_state)
{
struct radeon_ps *radeon_new_state = rdev->pm.dpm.requested_ps;
return ni_do_program_memory_timing_parameters(rdev, radeon_new_state,
NISLANDS_DRIVER_STATE_ARB_INDEX);
}
......@@ -2590,7 +2589,9 @@ static int ni_populate_sq_ramping_values(struct radeon_device *rdev,
return 0;
}
static int ni_enable_power_containment(struct radeon_device *rdev, bool enable)
static int ni_enable_power_containment(struct radeon_device *rdev,
struct radeon_ps *radeon_new_state,
bool enable)
{
struct ni_power_info *ni_pi = ni_get_pi(rdev);
PPSMC_Result smc_result;
......@@ -2598,8 +2599,6 @@ static int ni_enable_power_containment(struct radeon_device *rdev, bool enable)
if (ni_pi->enable_power_containment) {
if (enable) {
struct radeon_ps *radeon_new_state = rdev->pm.dpm.requested_ps;
if (!r600_is_uvd_state(radeon_new_state->class, radeon_new_state->class2)) {
smc_result = rv770_send_msg_to_smc(rdev, PPSMC_TDPClampingActive);
if (smc_result != PPSMC_Result_OK) {
......@@ -2679,10 +2678,10 @@ static int ni_convert_power_state_to_smc(struct radeon_device *rdev,
return ni_populate_smc_t(rdev, radeon_state, smc_state);
}
static int ni_upload_sw_state(struct radeon_device *rdev)
static int ni_upload_sw_state(struct radeon_device *rdev,
struct radeon_ps *radeon_new_state)
{
struct rv7xx_power_info *pi = rv770_get_pi(rdev);
struct radeon_ps *radeon_new_state = rdev->pm.dpm.requested_ps;
u16 address = pi->state_table_start +
offsetof(NISLANDS_SMC_STATETABLE, driverState);
u16 state_size = sizeof(NISLANDS_SMC_SWSTATE) +
......@@ -2988,12 +2987,12 @@ static void ni_convert_mc_reg_table_to_smc(struct radeon_device *rdev,
}
}
static int ni_populate_mc_reg_table(struct radeon_device *rdev)
static int ni_populate_mc_reg_table(struct radeon_device *rdev,
struct radeon_ps *radeon_boot_state)
{
struct rv7xx_power_info *pi = rv770_get_pi(rdev);
struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
struct ni_power_info *ni_pi = ni_get_pi(rdev);
struct radeon_ps *radeon_boot_state = rdev->pm.dpm.boot_ps;
struct ni_ps *boot_state = ni_get_ps(radeon_boot_state);
SMC_NIslands_MCRegisters *mc_reg_table = &ni_pi->smc_mc_reg_table;
......@@ -3019,12 +3018,12 @@ static int ni_populate_mc_reg_table(struct radeon_device *rdev)
pi->sram_end);
}
static int ni_upload_mc_reg_table(struct radeon_device *rdev)
static int ni_upload_mc_reg_table(struct radeon_device *rdev,
struct radeon_ps *radeon_new_state)
{
struct rv7xx_power_info *pi = rv770_get_pi(rdev);
struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
struct ni_power_info *ni_pi = ni_get_pi(rdev);
struct radeon_ps *radeon_new_state = rdev->pm.dpm.requested_ps;
struct ni_ps *ni_new_state = ni_get_ps(radeon_new_state);
SMC_NIslands_MCRegisters *mc_reg_table = &ni_pi->smc_mc_reg_table;
u16 address;
......@@ -3373,7 +3372,9 @@ static int ni_initialize_hardware_cac_manager(struct radeon_device *rdev)
return 0;
}
static int ni_enable_smc_cac(struct radeon_device *rdev, bool enable)
static int ni_enable_smc_cac(struct radeon_device *rdev,
struct radeon_ps *radeon_new_state,
bool enable)
{
struct ni_power_info *ni_pi = ni_get_pi(rdev);
int ret = 0;
......@@ -3381,8 +3382,6 @@ static int ni_enable_smc_cac(struct radeon_device *rdev, bool enable)
if (ni_pi->enable_cac) {
if (enable) {
struct radeon_ps *radeon_new_state = rdev->pm.dpm.requested_ps;
if (!r600_is_uvd_state(radeon_new_state->class, radeon_new_state->class2)) {
smc_result = rv770_send_msg_to_smc(rdev, PPSMC_MSG_CollectCAC_PowerCorreln);
......@@ -3521,6 +3520,7 @@ int ni_dpm_enable(struct radeon_device *rdev)
{
struct rv7xx_power_info *pi = rv770_get_pi(rdev);
struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
struct radeon_ps *boot_ps = rdev->pm.dpm.boot_ps;
if (pi->gfx_clock_gating)
ni_cg_clockgating_default(rdev);
......@@ -3557,10 +3557,10 @@ int ni_dpm_enable(struct radeon_device *rdev)
ni_init_smc_spll_table(rdev);
ni_init_arb_table_index(rdev);
if (eg_pi->dynamic_ac_timing)
ni_populate_mc_reg_table(rdev);
ni_populate_mc_reg_table(rdev, boot_ps);
ni_initialize_smc_cac_tables(rdev);
ni_initialize_hardware_cac_manager(rdev);
ni_populate_smc_tdp_limits(rdev);
ni_populate_smc_tdp_limits(rdev, boot_ps);
ni_program_response_times(rdev);
r7xx_start_smc(rdev);
cypress_notify_smc_display_change(rdev, false);
......@@ -3597,14 +3597,15 @@ void ni_dpm_disable(struct radeon_device *rdev)
{
struct rv7xx_power_info *pi = rv770_get_pi(rdev);
struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
struct radeon_ps *boot_ps = rdev->pm.dpm.boot_ps;
if (!btc_dpm_enabled(rdev))
return;
rv770_clear_vc(rdev);
if (pi->thermal_protection)
rv770_enable_thermal_protection(rdev, false);
ni_enable_power_containment(rdev, false);
ni_enable_smc_cac(rdev, false);
ni_enable_power_containment(rdev, boot_ps, false);
ni_enable_smc_cac(rdev, boot_ps, false);
cypress_enable_spread_spectrum(rdev, false);
rv770_enable_auto_throttle_source(rdev, RADEON_DPM_AUTO_THROTTLE_SRC_THERMAL, false);
if (pi->dynamic_pcie_gen2)
......@@ -3630,9 +3631,11 @@ void ni_dpm_disable(struct radeon_device *rdev)
int ni_power_control_set_level(struct radeon_device *rdev)
{
struct radeon_ps *new_ps = rdev->pm.dpm.requested_ps;
ni_restrict_performance_levels_before_switch(rdev);
rv770_halt_smc(rdev);
ni_populate_smc_tdp_limits(rdev);
ni_populate_smc_tdp_limits(rdev, new_ps);
rv770_resume_smc(rdev);
rv770_set_sw_state(rdev);
......@@ -3645,25 +3648,25 @@ int ni_dpm_set_power_state(struct radeon_device *rdev)
struct radeon_ps *new_ps = rdev->pm.dpm.requested_ps;
int ret;
ni_apply_state_adjust_rules(rdev);
ni_apply_state_adjust_rules(rdev, new_ps);
ni_restrict_performance_levels_before_switch(rdev);
ni_enable_power_containment(rdev, false);
ni_enable_smc_cac(rdev, false);
ni_enable_power_containment(rdev, new_ps, false);
ni_enable_smc_cac(rdev, new_ps, false);
rv770_halt_smc(rdev);
if (eg_pi->smu_uvd_hs)
btc_notify_uvd_to_smc(rdev, new_ps);
ni_upload_sw_state(rdev);
ni_upload_sw_state(rdev, new_ps);
if (eg_pi->dynamic_ac_timing)
ni_upload_mc_reg_table(rdev);
ret = ni_program_memory_timing_parameters(rdev);
ni_upload_mc_reg_table(rdev, new_ps);
ret = ni_program_memory_timing_parameters(rdev, new_ps);
if (ret)
return ret;
ni_populate_smc_tdp_limits(rdev);
ni_populate_smc_tdp_limits(rdev, new_ps);
rv770_resume_smc(rdev);
rv770_set_sw_state(rdev);
ni_enable_smc_cac(rdev, true);
ni_enable_power_containment(rdev, true);
ni_enable_smc_cac(rdev, new_ps, true);
ni_enable_power_containment(rdev, new_ps, true);
#if 0
/* XXX */
......
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