[PATCH v2 1/2] drm/mediatek: dsi: Fix EoTp flag

Chun-Kuang Hu chunkuang.hu at kernel.org
Sun Mar 7 00:28:59 GMT 2021


Hi, Jitao:

Jitao Shi <jitao.shi at mediatek.com> 於 2021年2月1日 週一 上午11:36寫道:
>
> SoC will transmit the EoTp (End of Transmission packet) when
> MIPI_DSI_MODE_EOT_PACKET flag is set.

I've modified the title and message as:

drm/mediatek: dsi: Use symbolized register definition

For HSTX_CKLP_EN and DIS_EOT, use symbolized register
definition instead of magic number.


And applied to mediatek-drm-next [1], thanks.

https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux.git/log/?h=mediatek-drm-next

Regards,
Chun-Kuang.


>
> Signed-off-by: Jitao Shi <jitao.shi at mediatek.com>
> ---
>  drivers/gpu/drm/mediatek/mtk_dsi.c | 7 +++++--
>  1 file changed, 5 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c
> index 65fd99c528af..2bc46f2350f1 100644
> --- a/drivers/gpu/drm/mediatek/mtk_dsi.c
> +++ b/drivers/gpu/drm/mediatek/mtk_dsi.c
> @@ -401,8 +401,11 @@ static void mtk_dsi_rxtx_control(struct mtk_dsi *dsi)
>                 break;
>         }
>
> -       tmp_reg |= (dsi->mode_flags & MIPI_DSI_CLOCK_NON_CONTINUOUS) << 6;
> -       tmp_reg |= (dsi->mode_flags & MIPI_DSI_MODE_EOT_PACKET) >> 3;
> +       if (dsi->mode_flags & MIPI_DSI_CLOCK_NON_CONTINUOUS)
> +               tmp_reg |= HSTX_CKLP_EN;
> +
> +       if (!(dsi->mode_flags & MIPI_DSI_MODE_EOT_PACKET))
> +               tmp_reg |= DIS_EOT;
>
>         writel(tmp_reg, dsi->regs + DSI_TXRX_CTRL);
>  }
> --
> 2.12.5
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