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path: root/drivers/gpu/drm/radeon/radeon_pm.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_pm.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_pm.c153
1 files changed, 19 insertions, 134 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index 129956d003a..10ef8924799 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -56,7 +56,7 @@ static void radeon_print_power_mode_info(struct radeon_device *rdev)
DRM_INFO("%d Power State(s)\n", rdev->pm.num_power_states);
for (i = 0; i < rdev->pm.num_power_states; i++) {
- if (rdev->pm.default_power_state == &rdev->pm.power_state[i])
+ if (rdev->pm.default_power_state_index == i)
is_default = true;
else
is_default = false;
@@ -65,6 +65,8 @@ static void radeon_print_power_mode_info(struct radeon_device *rdev)
is_default ? "(default)" : "");
if ((rdev->flags & RADEON_IS_PCIE) && !(rdev->flags & RADEON_IS_IGP))
DRM_INFO("\t%d PCIE Lanes\n", rdev->pm.power_state[i].non_clock_info.pcie_lanes);
+ if (rdev->pm.power_state[i].flags & RADEON_PM_SINGLE_DISPLAY_ONLY)
+ DRM_INFO("\tSingle display only\n");
DRM_INFO("\t%d Clock Mode(s)\n", rdev->pm.power_state[i].num_clock_modes);
for (j = 0; j < rdev->pm.power_state[i].num_clock_modes; j++) {
if (rdev->flags & RADEON_IS_IGP)
@@ -80,106 +82,6 @@ static void radeon_print_power_mode_info(struct radeon_device *rdev)
}
}
-static struct radeon_power_state * radeon_pick_power_state(struct radeon_device *rdev,
- enum radeon_pm_state_type type)
-{
- int i, j;
- enum radeon_pm_state_type wanted_types[2];
- int wanted_count;
-
- switch (type) {
- case POWER_STATE_TYPE_DEFAULT:
- default:
- return rdev->pm.default_power_state;
- case POWER_STATE_TYPE_POWERSAVE:
- if (rdev->flags & RADEON_IS_MOBILITY) {
- wanted_types[0] = POWER_STATE_TYPE_POWERSAVE;
- wanted_types[1] = POWER_STATE_TYPE_BATTERY;
- wanted_count = 2;
- } else {
- wanted_types[0] = POWER_STATE_TYPE_PERFORMANCE;
- wanted_count = 1;
- }
- break;
- case POWER_STATE_TYPE_BATTERY:
- if (rdev->flags & RADEON_IS_MOBILITY) {
- wanted_types[0] = POWER_STATE_TYPE_BATTERY;
- wanted_types[1] = POWER_STATE_TYPE_POWERSAVE;
- wanted_count = 2;
- } else {
- wanted_types[0] = POWER_STATE_TYPE_PERFORMANCE;
- wanted_count = 1;
- }
- break;
- case POWER_STATE_TYPE_BALANCED:
- case POWER_STATE_TYPE_PERFORMANCE:
- wanted_types[0] = type;
- wanted_count = 1;
- break;
- }
-
- for (i = 0; i < wanted_count; i++) {
- for (j = 0; j < rdev->pm.num_power_states; j++) {
- if (rdev->pm.power_state[j].type == wanted_types[i])
- return &rdev->pm.power_state[j];
- }
- }
-
- return rdev->pm.default_power_state;
-}
-
-static struct radeon_pm_clock_info * radeon_pick_clock_mode(struct radeon_device *rdev,
- struct radeon_power_state *power_state,
- enum radeon_pm_clock_mode_type type)
-{
- switch (type) {
- case POWER_MODE_TYPE_DEFAULT:
- default:
- return power_state->default_clock_mode;
- case POWER_MODE_TYPE_LOW:
- return &power_state->clock_info[0];
- case POWER_MODE_TYPE_MID:
- if (power_state->num_clock_modes > 2)
- return &power_state->clock_info[1];
- else
- return &power_state->clock_info[0];
- break;
- case POWER_MODE_TYPE_HIGH:
- return &power_state->clock_info[power_state->num_clock_modes - 1];
- }
-
-}
-
-static void radeon_get_power_state(struct radeon_device *rdev,
- enum radeon_pm_action action)
-{
- switch (action) {
- case PM_ACTION_MINIMUM:
- rdev->pm.requested_power_state = radeon_pick_power_state(rdev, POWER_STATE_TYPE_BATTERY);
- rdev->pm.requested_clock_mode =
- radeon_pick_clock_mode(rdev, rdev->pm.requested_power_state, POWER_MODE_TYPE_LOW);
- break;
- case PM_ACTION_DOWNCLOCK:
- rdev->pm.requested_power_state = radeon_pick_power_state(rdev, POWER_STATE_TYPE_POWERSAVE);
- rdev->pm.requested_clock_mode =
- radeon_pick_clock_mode(rdev, rdev->pm.requested_power_state, POWER_MODE_TYPE_MID);
- break;
- case PM_ACTION_UPCLOCK:
- rdev->pm.requested_power_state = radeon_pick_power_state(rdev, POWER_STATE_TYPE_DEFAULT);
- rdev->pm.requested_clock_mode =
- radeon_pick_clock_mode(rdev, rdev->pm.requested_power_state, POWER_MODE_TYPE_HIGH);
- break;
- case PM_ACTION_NONE:
- default:
- DRM_ERROR("Requested mode for not defined action\n");
- return;
- }
- DRM_INFO("Requested: e: %d m: %d p: %d\n",
- rdev->pm.requested_clock_mode->sclk,
- rdev->pm.requested_clock_mode->mclk,
- rdev->pm.requested_power_state->non_clock_info.pcie_lanes);
-}
-
void radeon_sync_with_vblank(struct radeon_device *rdev)
{
if (rdev->pm.active_crtcs) {
@@ -194,7 +96,8 @@ int radeon_pm_init(struct radeon_device *rdev)
{
rdev->pm.state = PM_STATE_DISABLED;
rdev->pm.planned_action = PM_ACTION_NONE;
- rdev->pm.downclocked = false;
+ rdev->pm.can_upclock = true;
+ rdev->pm.can_downclock = true;
if (rdev->bios) {
if (rdev->is_atom_bios)
@@ -229,9 +132,8 @@ void radeon_pm_fini(struct radeon_device *rdev)
void radeon_pm_compute_clocks(struct radeon_device *rdev)
{
struct drm_device *ddev = rdev->ddev;
- struct drm_connector *connector;
+ struct drm_crtc *crtc;
struct radeon_crtc *radeon_crtc;
- int count = 0;
if (rdev->pm.state == PM_STATE_DISABLED)
return;
@@ -239,29 +141,27 @@ void radeon_pm_compute_clocks(struct radeon_device *rdev)
mutex_lock(&rdev->pm.mutex);
rdev->pm.active_crtcs = 0;
- list_for_each_entry(connector,
- &ddev->mode_config.connector_list, head) {
- if (connector->encoder &&
- connector->encoder->crtc &&
- connector->dpms != DRM_MODE_DPMS_OFF) {
- radeon_crtc = to_radeon_crtc(connector->encoder->crtc);
+ rdev->pm.active_crtc_count = 0;
+ list_for_each_entry(crtc,
+ &ddev->mode_config.crtc_list, head) {
+ radeon_crtc = to_radeon_crtc(crtc);
+ if (radeon_crtc->enabled) {
rdev->pm.active_crtcs |= (1 << radeon_crtc->crtc_id);
- ++count;
+ rdev->pm.active_crtc_count++;
}
}
- if (count > 1) {
+ if (rdev->pm.active_crtc_count > 1) {
if (rdev->pm.state == PM_STATE_ACTIVE) {
cancel_delayed_work(&rdev->pm.idle_work);
rdev->pm.state = PM_STATE_PAUSED;
rdev->pm.planned_action = PM_ACTION_UPCLOCK;
- if (rdev->pm.downclocked)
- radeon_pm_set_clocks(rdev);
+ radeon_pm_set_clocks(rdev);
DRM_DEBUG("radeon: dynamic power management deactivated\n");
}
- } else if (count == 1) {
+ } else if (rdev->pm.active_crtc_count == 1) {
/* TODO: Increase clocks if needed for current mode */
if (rdev->pm.state == PM_STATE_MINIMUM) {
@@ -271,15 +171,13 @@ void radeon_pm_compute_clocks(struct radeon_device *rdev)
queue_delayed_work(rdev->wq, &rdev->pm.idle_work,
msecs_to_jiffies(RADEON_IDLE_LOOP_MS));
- }
- else if (rdev->pm.state == PM_STATE_PAUSED) {
+ } else if (rdev->pm.state == PM_STATE_PAUSED) {
rdev->pm.state = PM_STATE_ACTIVE;
queue_delayed_work(rdev->wq, &rdev->pm.idle_work,
msecs_to_jiffies(RADEON_IDLE_LOOP_MS));
DRM_DEBUG("radeon: dynamic power management activated\n");
}
- }
- else { /* count == 0 */
+ } else { /* count == 0 */
if (rdev->pm.state != PM_STATE_MINIMUM) {
cancel_delayed_work(&rdev->pm.idle_work);
@@ -359,19 +257,6 @@ bool radeon_pm_debug_check_in_vbl(struct radeon_device *rdev, bool finish)
static void radeon_pm_set_clocks_locked(struct radeon_device *rdev)
{
/*radeon_fence_wait_last(rdev);*/
- switch (rdev->pm.planned_action) {
- case PM_ACTION_UPCLOCK:
- rdev->pm.downclocked = false;
- break;
- case PM_ACTION_DOWNCLOCK:
- rdev->pm.downclocked = true;
- break;
- case PM_ACTION_MINIMUM:
- break;
- case PM_ACTION_NONE:
- DRM_ERROR("%s: PM_ACTION_NONE\n", __func__);
- break;
- }
radeon_set_power_state(rdev);
rdev->pm.planned_action = PM_ACTION_NONE;
@@ -437,7 +322,7 @@ static void radeon_pm_idle_work_handler(struct work_struct *work)
if (rdev->pm.planned_action == PM_ACTION_DOWNCLOCK) {
rdev->pm.planned_action = PM_ACTION_NONE;
} else if (rdev->pm.planned_action == PM_ACTION_NONE &&
- rdev->pm.downclocked) {
+ rdev->pm.can_upclock) {
rdev->pm.planned_action =
PM_ACTION_UPCLOCK;
rdev->pm.action_timeout = jiffies +
@@ -447,7 +332,7 @@ static void radeon_pm_idle_work_handler(struct work_struct *work)
if (rdev->pm.planned_action == PM_ACTION_UPCLOCK) {
rdev->pm.planned_action = PM_ACTION_NONE;
} else if (rdev->pm.planned_action == PM_ACTION_NONE &&
- !rdev->pm.downclocked) {
+ rdev->pm.can_downclock) {
rdev->pm.planned_action =
PM_ACTION_DOWNCLOCK;
rdev->pm.action_timeout = jiffies +
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-01-08 23:32:07 +0000