aboutsummaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/radeon/radeon_pm.c
diff options
context:
space:
mode:
authorRafał Miłecki <zajec5@gmail.com>2010-02-11 21:50:06 +0000
committerDave Airlie <airlied@redhat.com>2010-02-18 14:26:26 +1000
commitbc4624cad9b53b3fd3248fe3086b432471fc0fe0 (patch)
treef92f287482fe1e5de377e91d7c3498a4f98dda43 /drivers/gpu/drm/radeon/radeon_pm.c
parent2745932495ca3634b11a8662b464d2bf0325ae78 (diff)
drm/radeon/kms: simplify picking power state
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_pm.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_pm.c57
1 files changed, 18 insertions, 39 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index a8e151ec135..f0234351fd5 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -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,