When we queue the command or operation to change the scanout address, we mark the flip as in progress. We can use this flag to prevent us from checking for a stalled flip prior to its existence!
Signed-off-by: Chris Wilson <[email protected]> --- drivers/gpu/drm/i915/intel_display.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index aab8dfd1f8a5..edc7d4a7c9de 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -11248,6 +11248,9 @@ static bool __intel_pageflip_stall_check(struct drm_device *dev, if (atomic_read(&work->pending) >= INTEL_FLIP_COMPLETE) return true; + if (atomic_read(&work->pending) < INTEL_FLIP_PENDING) + return false; + if (!work->enable_stall_check) return false; -- 2.5.0 _______________________________________________ Intel-gfx mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/intel-gfx
