On Thu, Nov 19, 2020 at 09:39:48AM +0800, James Qian Wang wrote:

From: "James Qian Wang (Arm Technology China)" james.qian.wang@arm.com

Komeda HW has no special, program the update to HW is done first, then flip happens. So correct the sequence to hw_done() first then flip_done().

Reported-by: Daniel Vetter daniel@ffwll.ch Signed-off-by: James Qian Wang james.qian.wang@arm.com

Acked-by: Daniel Vetter daniel.vetter@ffwll.ch

---

drivers/gpu/drm/arm/display/komeda/komeda_kms.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_kms.c b/drivers/gpu/drm/arm/display/komeda/komeda_kms.c index 6b99df696384..034ee08482e0 100644 --- a/drivers/gpu/drm/arm/display/komeda/komeda_kms.c +++ b/drivers/gpu/drm/arm/display/komeda/komeda_kms.c @@ -81,10 +81,10 @@ static void komeda_kms_commit_tail(struct drm_atomic_state *old_state)

drm_atomic_helper_commit_modeset_enables(dev, old_state);

• drm_atomic_helper_wait_for_flip_done(dev, old_state);
• drm_atomic_helper_commit_hw_done(old_state);

• drm_atomic_helper_wait_for_flip_done(dev, old_state);
• drm_atomic_helper_cleanup_planes(dev, old_state);

}

-- 2.25.1