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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.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index 6fabe89fa6a..78a665bd951 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -53,6 +53,24 @@ static void radeon_pm_set_clocks(struct radeon_device *rdev);
#define ACPI_AC_CLASS "ac_adapter"
+int radeon_pm_get_type_index(struct radeon_device *rdev,
+ enum radeon_pm_state_type ps_type,
+ int instance)
+{
+ int i;
+ int found_instance = -1;
+
+ for (i = 0; i < rdev->pm.num_power_states; i++) {
+ if (rdev->pm.power_state[i].type == ps_type) {
+ found_instance++;
+ if (found_instance == instance)
+ return i;
+ }
+ }
+ /* return default if no match */
+ return rdev->pm.default_power_state_index;
+}
+
#ifdef CONFIG_ACPI
static int radeon_acpi_event(struct notifier_block *nb,
unsigned long val,