linux-kernel - [PATCH] drm/panel: visionox-rm69299: Fix clock frequency for SHIFT6mq

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Message-ID: <e975da213c1f8030db50d66ec1c9597f59f25e35.1756567474.git.agx@sigxcpu.org>
Date: Sat, 30 Aug 2025 17:29:25 +0200
From: Guido Günther <agx@...xcpu.org>
To: Neil Armstrong <neil.armstrong@...aro.org>,
	Jessica Zhang <jessica.zhang@....qualcomm.com>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Maxime Ripard <mripard@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	David Airlie <airlied@...il.com>,
	Simona Vetter <simona@...ll.ch>,
	dri-devel@...ts.freedesktop.org,
	linux-kernel@...r.kernel.org,
	Casey Connolly <casey.connolly@...aro.org>,
	phone-devel@...r.kernel.org
Subject: [PATCH] drm/panel: visionox-rm69299: Fix clock frequency for SHIFT6mq

Make the clock frequency match what the sdm845 downstream kernel
uses. Otherwise we're seeing timeouts like

```
msm_dsi ae94000.dsi: [drm:dsi_cmds2buf_tx] *ERROR* wait for video done timed out
dsi_cmds2buf_tx: cmd dma tx failed, type=0x5, data0=0x28, len=4, ret=-110
panel-visionox-rm69299 ae94000.dsi.0: sending DCS SET_DISPLAY_OFF failed: -110
```

Signed-off-by: Guido Günther <agx@...xcpu.org>
---
 drivers/gpu/drm/panel/panel-visionox-rm69299.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/panel/panel-visionox-rm69299.c b/drivers/gpu/drm/panel/panel-visionox-rm69299.c
index 909c280eab1fb..e65697ce6f51c 100644
--- a/drivers/gpu/drm/panel/panel-visionox-rm69299.c
+++ b/drivers/gpu/drm/panel/panel-visionox-rm69299.c
@@ -247,7 +247,7 @@ static const struct drm_display_mode visionox_rm69299_1080x2248_60hz = {
 };
 
 static const struct drm_display_mode visionox_rm69299_1080x2160_60hz = {
-	.clock = 158695,
+	.clock = 149360,
 	.hdisplay = 1080,
 	.hsync_start = 1080 + 26,
 	.hsync_end = 1080 + 26 + 2,
-- 
2.51.0