drm/radeon/kms: simplify picking power state (bc4624ca) · Commits · e / devices / android_kernel_xiaomi_markw

drivers/gpu/drm/radeon/radeon_pm.c

+18 −39

Original line number	Diff line number	Diff line
		@@ -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];
		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];
		}
		break;
		}

		if (power_state == NULL)
		return rdev->pm.default_power_state;

		return power_state;
		}

		static struct radeon_pm_clock_info * radeon_pick_clock_mode(struct radeon_device *rdev,