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drm/radeon/kms: simplify picking power state

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Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Rafał Miłecki 2010-02-11 21:50:06 +00:00 committed by Dave Airlie
parent 2745932495
commit bc4624cad9
1 changed files with 18 additions and 39 deletions
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57
drivers/gpu/drm/radeon/radeon_pm.c
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@ -81,60 +81,39 @@ 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;
struct radeon_power_state *power_state = NULL;
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:
for (i = 0; i < rdev->pm.num_power_states; i++) {
if (rdev->pm.power_state[i].type == POWER_STATE_TYPE_POWERSAVE) {
power_state = &rdev->pm.power_state[i];
break;
}
}
if (power_state == NULL) {
for (i = 0; i < rdev->pm.num_power_states; i++) {
if (rdev->pm.power_state[i].type == POWER_STATE_TYPE_BATTERY) {
power_state = &rdev->pm.power_state[i];
break;
}
}
}
wanted_types[0] = POWER_STATE_TYPE_POWERSAVE;
wanted_types[1] = POWER_STATE_TYPE_BATTERY;
wanted_count = 2;
break;
case POWER_STATE_TYPE_BATTERY:
for (i = 0; i < rdev->pm.num_power_states; i++) {
if (rdev->pm.power_state[i].type == POWER_STATE_TYPE_BATTERY) {
power_state = &rdev->pm.power_state[i];
break;
}
}
if (power_state == NULL) {
for (i = 0; i < rdev->pm.num_power_states; i++) {
if (rdev->pm.power_state[i].type == POWER_STATE_TYPE_POWERSAVE) {
power_state = &rdev->pm.power_state[i];
break;
}
}
}
wanted_types[0] = POWER_STATE_TYPE_BATTERY;
wanted_types[1] = POWER_STATE_TYPE_POWERSAVE;
wanted_count = 2;
break;
case POWER_STATE_TYPE_BALANCED:
case POWER_STATE_TYPE_PERFORMANCE:
for (i = 0; i < rdev->pm.num_power_states; i++) {
if (rdev->pm.power_state[i].type == type) {
power_state = &rdev->pm.power_state[i];
break;
}
}
wanted_types[0] = type;
wanted_count = 1;
break;
}
if (power_state == NULL)
return rdev->pm.default_power_state;
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 power_state;
return rdev->pm.default_power_state;
}
static struct radeon_pm_clock_info * radeon_pick_clock_mode(struct radeon_device *rdev,