Make the clock frequency match what the sdm845 downstream kernel
uses. Otherwise the panel stays black.

Fixes: 783334f366b18 ("drm/panel: visionox-rm69299: support the variant found in the SHIFT6mq")
Signed-off-by: Guido Günther <agx@sigxcpu.org>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.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 909c280eab1fb408a713d84051a1afbb252c45e8..5491d601681cff52eca1d72ad4489731d2276c30 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 = (2160 + 8 + 4 + 4) * (1080 + 26 + 2 + 36) * 60 / 1000,
 	.hdisplay = 1080,
 	.hsync_start = 1080 + 26,
 	.hsync_end = 1080 + 26 + 2,

-- 
2.51.0

On Wed, Sep 10, 2025 at 06:39:56PM +0200, Guido Günther wrote:
> Make the clock frequency match what the sdm845 downstream kernel
> uses. Otherwise the panel stays black.
> 
> Fixes: 783334f366b18 ("drm/panel: visionox-rm69299: support the variant found in the SHIFT6mq")
> Signed-off-by: Guido Günther <agx@sigxcpu.org>
> Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
> ---
>  drivers/gpu/drm/panel/panel-visionox-rm69299.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>


-- 
With best wishes
Dmitry