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drm/radeon/dpm/tn: restructure code

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Needed to properly handle dynamic state adjustment.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2013-06-25 15:34:00 -04:00
parent 34936f5514
commit 940eea8e4d
1 changed files with 52 additions and 41 deletions
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93
drivers/gpu/drm/radeon/trinity_dpm.c
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@ -337,7 +337,9 @@ static const u32 trinity_override_mgpg_sequences[] =
static void trinity_program_clk_gating_hw_sequence(struct radeon_device *rdev,
const u32 *seq, u32 count);
static void trinity_override_dynamic_mg_powergating(struct radeon_device *rdev);
static void trinity_apply_state_adjust_rules(struct radeon_device *rdev);
static void trinity_apply_state_adjust_rules(struct radeon_device *rdev,
struct radeon_ps *new_rps,
struct radeon_ps *old_rps);
struct trinity_ps *trinity_get_ps(struct radeon_ps *rps)
{
@ -830,18 +832,21 @@ static void trinity_unforce_levels(struct radeon_device *rdev)
trinity_dpm_no_forced_level(rdev);
}
static void trinity_update_current_power_levels(struct radeon_device *rdev)
static void trinity_update_current_power_levels(struct radeon_device *rdev,
struct radeon_ps *rps)
{
struct trinity_ps *new_ps = trinity_get_ps(rdev->pm.dpm.requested_ps);
struct trinity_ps *new_ps = trinity_get_ps(rps);
struct trinity_power_info *pi = trinity_get_pi(rdev);
pi->current_ps = *new_ps;
}
static void trinity_program_power_levels_0_to_n(struct radeon_device *rdev)
static void trinity_program_power_levels_0_to_n(struct radeon_device *rdev,
struct radeon_ps *new_rps,
struct radeon_ps *old_rps)
{
struct trinity_ps *new_ps = trinity_get_ps(rdev->pm.dpm.requested_ps);
struct trinity_ps *old_ps = trinity_get_ps(rdev->pm.dpm.current_ps);
struct trinity_ps *new_ps = trinity_get_ps(new_rps);
struct trinity_ps *old_ps = trinity_get_ps(old_rps);
u32 i;
u32 n_current_state_levels = (old_ps == NULL) ? 1 : old_ps->num_levels;
@ -919,19 +924,19 @@ static bool trinity_uvd_clocks_equal(struct radeon_ps *rps1,
}
static void trinity_setup_uvd_clocks(struct radeon_device *rdev,
struct radeon_ps *current_rps,
struct radeon_ps *new_rps)
struct radeon_ps *new_rps,
struct radeon_ps *old_rps)
{
struct trinity_power_info *pi = trinity_get_pi(rdev);
if (pi->uvd_dpm) {
if (trinity_uvd_clocks_zero(new_rps) &&
!trinity_uvd_clocks_zero(current_rps)) {
!trinity_uvd_clocks_zero(old_rps)) {
trinity_setup_uvd_dpm_interval(rdev, 0);
} else if (!trinity_uvd_clocks_zero(new_rps)) {
trinity_setup_uvd_clock_table(rdev, new_rps);
if (trinity_uvd_clocks_zero(current_rps)) {
if (trinity_uvd_clocks_zero(old_rps)) {
u32 tmp = RREG32(CG_MISC_REG);
tmp &= 0xfffffffd;
WREG32(CG_MISC_REG, tmp);
@ -944,37 +949,39 @@ static void trinity_setup_uvd_clocks(struct radeon_device *rdev,
trinity_uvd_dpm_config(rdev);
} else {
if (trinity_uvd_clocks_zero(new_rps) ||
trinity_uvd_clocks_equal(new_rps, current_rps))
trinity_uvd_clocks_equal(new_rps, old_rps))
return;
radeon_set_uvd_clocks(rdev, new_rps->vclk, new_rps->dclk);
}
}
static void trinity_set_uvd_clock_before_set_eng_clock(struct radeon_device *rdev)
static void trinity_set_uvd_clock_before_set_eng_clock(struct radeon_device *rdev,
struct radeon_ps *new_rps,
struct radeon_ps *old_rps)
{
struct trinity_ps *new_ps = trinity_get_ps(rdev->pm.dpm.requested_ps);
struct trinity_ps *current_ps = trinity_get_ps(rdev->pm.dpm.current_ps);
struct trinity_ps *new_ps = trinity_get_ps(new_rps);
struct trinity_ps *current_ps = trinity_get_ps(new_rps);
if (new_ps->levels[new_ps->num_levels - 1].sclk >=
current_ps->levels[current_ps->num_levels - 1].sclk)
return;
trinity_setup_uvd_clocks(rdev, rdev->pm.dpm.current_ps,
rdev->pm.dpm.requested_ps);
trinity_setup_uvd_clocks(rdev, new_rps, old_rps);
}
static void trinity_set_uvd_clock_after_set_eng_clock(struct radeon_device *rdev)
static void trinity_set_uvd_clock_after_set_eng_clock(struct radeon_device *rdev,
struct radeon_ps *new_rps,
struct radeon_ps *old_rps)
{
struct trinity_ps *new_ps = trinity_get_ps(rdev->pm.dpm.requested_ps);
struct trinity_ps *current_ps = trinity_get_ps(rdev->pm.dpm.current_ps);
struct trinity_ps *new_ps = trinity_get_ps(new_rps);
struct trinity_ps *current_ps = trinity_get_ps(old_rps);
if (new_ps->levels[new_ps->num_levels - 1].sclk <
current_ps->levels[current_ps->num_levels - 1].sclk)
return;
trinity_setup_uvd_clocks(rdev, rdev->pm.dpm.current_ps,
rdev->pm.dpm.requested_ps);
trinity_setup_uvd_clocks(rdev, new_rps, old_rps);
}
static void trinity_program_ttt(struct radeon_device *rdev)
@ -1102,10 +1109,11 @@ static void trinity_get_min_sclk_divider(struct radeon_device *rdev)
(RREG32_SMC(CC_SMU_MISC_FUSES) & MinSClkDid_MASK) >> MinSClkDid_SHIFT;
}
static void trinity_setup_nbp_sim(struct radeon_device *rdev)
static void trinity_setup_nbp_sim(struct radeon_device *rdev,
struct radeon_ps *rps)
{
struct trinity_power_info *pi = trinity_get_pi(rdev);
struct trinity_ps *new_ps = trinity_get_ps(rdev->pm.dpm.requested_ps);
struct trinity_ps *new_ps = trinity_get_ps(rps);
u32 nbpsconfig;
if (pi->sys_info.nb_dpm_enable) {
@ -1122,21 +1130,23 @@ static void trinity_setup_nbp_sim(struct radeon_device *rdev)
int trinity_dpm_set_power_state(struct radeon_device *rdev)
{
struct trinity_power_info *pi = trinity_get_pi(rdev);
struct radeon_ps *new_ps = rdev->pm.dpm.requested_ps;
struct radeon_ps *old_ps = rdev->pm.dpm.current_ps;
trinity_apply_state_adjust_rules(rdev);
trinity_update_current_power_levels(rdev);
trinity_apply_state_adjust_rules(rdev, new_ps, old_ps);
trinity_update_current_power_levels(rdev, new_ps);
trinity_acquire_mutex(rdev);
if (pi->enable_dpm) {
trinity_set_uvd_clock_before_set_eng_clock(rdev);
trinity_set_uvd_clock_before_set_eng_clock(rdev, new_ps, old_ps);
trinity_enable_power_level_0(rdev);
trinity_force_level_0(rdev);
trinity_wait_for_level_0(rdev);
trinity_setup_nbp_sim(rdev);
trinity_program_power_levels_0_to_n(rdev);
trinity_setup_nbp_sim(rdev, new_ps);
trinity_program_power_levels_0_to_n(rdev, new_ps, old_ps);
trinity_force_level_0(rdev);
trinity_unforce_levels(rdev);
trinity_set_uvd_clock_after_set_eng_clock(rdev);
trinity_set_uvd_clock_after_set_eng_clock(rdev, new_ps, old_ps);
}
trinity_release_mutex(rdev);
@ -1366,11 +1376,12 @@ static void trinity_adjust_uvd_state(struct radeon_device *rdev,
static void trinity_apply_state_adjust_rules(struct radeon_device *rdev)
static void trinity_apply_state_adjust_rules(struct radeon_device *rdev,
struct radeon_ps *new_rps,
struct radeon_ps *old_rps)
{
struct radeon_ps *rps = rdev->pm.dpm.requested_ps;
struct trinity_ps *ps = trinity_get_ps(rps);
struct trinity_ps *current_ps = trinity_get_ps(rdev->pm.dpm.current_ps);
struct trinity_ps *ps = trinity_get_ps(new_rps);
struct trinity_ps *current_ps = trinity_get_ps(old_rps);
struct trinity_power_info *pi = trinity_get_pi(rdev);
u32 min_voltage = 0; /* ??? */
u32 min_sclk = pi->sys_info.min_sclk; /* XXX check against disp reqs */
@ -1384,10 +1395,10 @@ static void trinity_apply_state_adjust_rules(struct radeon_device *rdev)
rdev->pm.dpm.hw_ps.ps_priv = &pi->hw_ps;
ps = &pi->hw_ps;
if (rps->class & ATOM_PPLIB_CLASSIFICATION_THERMAL)
if (new_rps->class & ATOM_PPLIB_CLASSIFICATION_THERMAL)
return trinity_patch_thermal_state(rdev, ps, current_ps);
trinity_adjust_uvd_state(rdev, rps);
trinity_adjust_uvd_state(rdev, new_rps);
for (i = 0; i < ps->num_levels; i++) {
if (ps->levels[i].vddc_index < min_voltage)
@ -1410,8 +1421,8 @@ static void trinity_apply_state_adjust_rules(struct radeon_device *rdev)
trinity_calculate_vce_wm(rdev, ps->levels[0].sclk);
}
if ((rps->class & (ATOM_PPLIB_CLASSIFICATION_HDSTATE | ATOM_PPLIB_CLASSIFICATION_SDSTATE)) ||
((rps->class & ATOM_PPLIB_CLASSIFICATION_UI_MASK) == ATOM_PPLIB_CLASSIFICATION_UI_BATTERY))
if ((new_rps->class & (ATOM_PPLIB_CLASSIFICATION_HDSTATE | ATOM_PPLIB_CLASSIFICATION_SDSTATE)) ||
((new_rps->class & ATOM_PPLIB_CLASSIFICATION_UI_MASK) == ATOM_PPLIB_CLASSIFICATION_UI_BATTERY))
ps->bapm_flags |= TRINITY_POWERSTATE_FLAGS_BAPM_DISABLE;
if (pi->sys_info.nb_dpm_enable) {
@ -1420,10 +1431,10 @@ static void trinity_apply_state_adjust_rules(struct radeon_device *rdev)
ps->DpmXNbPsLo = 0x2;
ps->DpmXNbPsHi = 0x1;
if ((rps->class & (ATOM_PPLIB_CLASSIFICATION_HDSTATE | ATOM_PPLIB_CLASSIFICATION_SDSTATE)) ||
((rps->class & ATOM_PPLIB_CLASSIFICATION_UI_MASK) == ATOM_PPLIB_CLASSIFICATION_UI_BATTERY)) {
force_high = ((rps->class & ATOM_PPLIB_CLASSIFICATION_HDSTATE) ||
((rps->class & ATOM_PPLIB_CLASSIFICATION_SDSTATE) &&
if ((new_rps->class & (ATOM_PPLIB_CLASSIFICATION_HDSTATE | ATOM_PPLIB_CLASSIFICATION_SDSTATE)) ||
((new_rps->class & ATOM_PPLIB_CLASSIFICATION_UI_MASK) == ATOM_PPLIB_CLASSIFICATION_UI_BATTERY)) {
force_high = ((new_rps->class & ATOM_PPLIB_CLASSIFICATION_HDSTATE) ||
((new_rps->class & ATOM_PPLIB_CLASSIFICATION_SDSTATE) &&
(pi->sys_info.uma_channel_number == 1)));
force_high = (num_active_displays >= 3) || force_high;
ps->Dpm0PgNbPsLo = force_high ? 0x2 : 0x3;