linux-kernel - [PATCH 29/49] staging: hikey9xx/gpu: add a possible implementation for atomic

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Message-Id: <57af4d50a42f4547344ff0a67bcdc4370dbe6d24.1597833138.git.mchehab+huawei@kernel.org>
Date:   Wed, 19 Aug 2020 13:45:57 +0200
From:   Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linuxarm@...wei.com, mauro.chehab@...wei.com,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        John Stultz <john.stultz@...aro.org>,
        Manivannan Sadhasivam <mani@...nel.org>,
        Daniel Vetter <daniel@...ll.ch>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        Xiubin Zhang <zhangxiubin1@...wei.com>,
        Liwei Cai <cailiwei@...ilicon.com>,
        Wanchun Zheng <zhengwanchun@...ilicon.com>,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: [PATCH 29/49] staging: hikey9xx/gpu: add a possible implementation for atomic_disable

Currently, the method is empty. However, looking at the driver,
it sounds it shouldn't be hard to implement it.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@...nel.org>
---
 drivers/staging/hikey9xx/gpu/kirin9xx_drm_dss.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/hikey9xx/gpu/kirin9xx_drm_dss.c b/drivers/staging/hikey9xx/gpu/kirin9xx_drm_dss.c
index e1f2557a6be1..26212c130b79 100644
--- a/drivers/staging/hikey9xx/gpu/kirin9xx_drm_dss.c
+++ b/drivers/staging/hikey9xx/gpu/kirin9xx_drm_dss.c
@@ -638,7 +638,14 @@ static void dss_plane_atomic_update(struct drm_plane *plane,
 static void dss_plane_atomic_disable(struct drm_plane *plane,
 				     struct drm_plane_state *old_state)
 {
-	//struct dss_plane *aplane = to_dss_plane(plane);
+	// FIXME: Maybe this?
+#if 0
+	struct dss_plane *aplane = to_dss_plane(plane);
+	struct dss_crtc *acrtc = aplane->acrtc;
+
+	disable_ldi(acrtc);
+	hisifb_mctl_sw_clr(acrtc);
+#endif
 }
 
 static const struct drm_plane_helper_funcs dss_plane_helper_funcs = {
-- 
2.26.2