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Message-ID: <CAA8EJpq18HjMFut4LgL_F5-uDNjFf5AKhgJhe1Z7HJz2A0Xxiw@mail.gmail.com>
Date: Wed, 2 Aug 2023 21:26:47 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Jessica Zhang <quic_jesszhan@...cinc.com>
Cc: Rob Clark <robdclark@...il.com>, Sean Paul <sean@...rly.run>,
Marijn Suijten <marijn.suijten@...ainline.org>,
David Airlie <airlied@...il.com>,
Daniel Vetter <daniel@...ll.ch>, quic_abhinavk@...cinc.com,
linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
freedreno@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 3/4] drm/msm/dsi: Add DATABUS_WIDEN MDP_CTRL2 bit
On Wed, 2 Aug 2023 at 21:09, Jessica Zhang <quic_jesszhan@...cinc.com> wrote:
>
> Add a DATABUS_WIDEN bit to the MDP_CTRL2 register to allow DSI to enable
> databus widen mode.
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
(The patch will probably be replaced by Rob syncing up msm headers).
>
> Signed-off-by: Jessica Zhang <quic_jesszhan@...cinc.com>
> ---
> drivers/gpu/drm/msm/dsi/dsi.xml.h | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/msm/dsi/dsi.xml.h b/drivers/gpu/drm/msm/dsi/dsi.xml.h
> index a4a154601114..2a7d980e12c3 100644
> --- a/drivers/gpu/drm/msm/dsi/dsi.xml.h
> +++ b/drivers/gpu/drm/msm/dsi/dsi.xml.h
> @@ -664,6 +664,7 @@ static inline uint32_t DSI_CMD_MODE_MDP_CTRL2_INPUT_RGB_SWAP(enum dsi_rgb_swap v
> return ((val) << DSI_CMD_MODE_MDP_CTRL2_INPUT_RGB_SWAP__SHIFT) & DSI_CMD_MODE_MDP_CTRL2_INPUT_RGB_SWAP__MASK;
> }
> #define DSI_CMD_MODE_MDP_CTRL2_BURST_MODE 0x00010000
> +#define DSI_CMD_MODE_MDP_CTRL2_DATABUS_WIDEN 0x00100000
>
> #define REG_DSI_CMD_MODE_MDP_STREAM2_CTRL 0x000001b8
> #define DSI_CMD_MODE_MDP_STREAM2_CTRL_DATA_TYPE__MASK 0x0000003f
>
> --
> 2.41.0
>
--
With best wishes
Dmitry
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