[PATCH v3 22/38] drm/msm/dp: Always program MST_FIFO_CONSTANT_FILL for MST use cases

Dmitry Baryshkov dmitry.baryshkov at oss.qualcomm.com
Mon Aug 25 21:55:38 UTC 2025


On Mon, Aug 25, 2025 at 10:16:08PM +0800, Yongxing Mou wrote:
> From: Abhinav Kumar <quic_abhinavk at quicinc.com>
> 
> As per the hardware programming guide, MST_FIFO_CONSTANT_FILL must
> always be programmed when operating in MST mode. This patch ensures
> the register is configured accordingly.
> 
> Signed-off-by: Abhinav Kumar <quic_abhinavk at quicinc.com>
> Signed-off-by: Yongxing Mou <yongxing.mou at oss.qualcomm.com>
> ---
>  drivers/gpu/drm/msm/dp/dp_ctrl.c  |  2 ++
>  drivers/gpu/drm/msm/dp/dp_panel.c | 12 ++++++++++++
>  drivers/gpu/drm/msm/dp/dp_panel.h |  2 ++
>  3 files changed, 16 insertions(+)
> 

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


-- 
With best wishes
Dmitry


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