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| author | Yuanhan Liu <yuanhan.liu@intel.com> | 2011-03-18 07:37:35 +0000 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2011-03-23 06:41:20 +0000 |
| commit | 7ccb4a53eb03c9196646ca0c2a97558313e886f1 (patch) | |
| tree | bbfb6b4d59a7acc9bd74ccbbf9da3e0adb966b73 /drivers/gpu | |
| parent | 09bfa51773c1e90f13000dc2fc0c4b84047009bc (diff) | |
| download | linux-stable-7ccb4a53eb03c9196646ca0c2a97558313e886f1.tar.gz linux-stable-7ccb4a53eb03c9196646ca0c2a97558313e886f1.tar.bz2 linux-stable-7ccb4a53eb03c9196646ca0c2a97558313e886f1.zip | |
drm/i915: Re-enable self-refresh
A broken implementation of is_pot() prevented the detection of when a
singular pipe was enabled. Eric Anholt pointed out the existence of
is_power_of_2() so use that instead of our broken code!
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=35402
Signed-off-by: Yuanhan Liu <yuanhan.liu@intel.com>
Tested-by: xunx.fang@intel.com
Reviewed-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 841f0397288b..49c07231302c 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -3885,10 +3885,7 @@ static bool g4x_compute_srwm(struct drm_device *dev, display, cursor); } -static inline bool single_plane_enabled(unsigned int mask) -{ - return mask && (mask & -mask) == 0; -} +#define single_plane_enabled(mask) is_power_of_2(mask) static void g4x_update_wm(struct drm_device *dev) { |