Commit 7ccb4a53 authored by Yuanhan Liu's avatar Yuanhan Liu Committed by Chris Wilson

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=35402Signed-off-by: default avatarYuanhan Liu <yuanhan.liu@intel.com>
Tested-by: xunx.fang@intel.com
Reviewed-by: default avatarKeith Packard <keithp@keithp.com>
Signed-off-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
parent 09bfa517
...@@ -3885,10 +3885,7 @@ static bool g4x_compute_srwm(struct drm_device *dev, ...@@ -3885,10 +3885,7 @@ static bool g4x_compute_srwm(struct drm_device *dev,
display, cursor); display, cursor);
} }
static inline bool single_plane_enabled(unsigned int mask) #define single_plane_enabled(mask) is_power_of_2(mask)
{
return mask && (mask & -mask) == 0;
}
static void g4x_update_wm(struct drm_device *dev) static void g4x_update_wm(struct drm_device *dev)
{ {
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment