Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=28745
Signed-off-by: Alex Deucher <alexdeuc...@gmail.com>
---
drivers/gpu/drm/radeon/r600.c | 11 ++++++++---
1 files changed, 8 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 0e91871..7f48593 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -130,9 +130,14 @@ void r600_pm_get_dynpm_state(struct radeon_device *rdev)
break;
}
}
- } else
- rdev->pm.requested_power_state_index =
-
rdev->pm.current_power_state_index - 1;
+ } else {
+ if (rdev->pm.current_power_state_index
== 0)
+
rdev->pm.requested_power_state_index =
+
rdev->pm.num_power_states - 1;
+ else
+
rdev->pm.requested_power_state_index =
+
rdev->pm.current_power_state_index - 1;
+ }
}
rdev->pm.requested_clock_mode_index = 0;
/* don't use the power state if crtcs are active and no
display flag is set */
--
1.7.0.1
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