From: Yuanhan Liu <yuanhan....@intel.com> 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....@intel.com> Tested-by: xunx.f...@intel.com Reviewed-by: Keith Packard <kei...@keithp.com> Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk> --- 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 841f039..49c0723 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) { -- 1.7.4.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx