[PATCH v1] drm/bridge: lt8912b: Fix DSI Video Mode

Robert Foss rfoss at kernel.org
Thu Mar 30 09:40:11 UTC 2023


On Thu, Mar 30, 2023 at 11:31 AM Francesco Dolcini <francesco at dolcini.it> wrote:
>
> From: Francesco Dolcini <francesco.dolcini at toradex.com>
>
> LT8912 DSI port supports only Non-Burst mode video operation with Sync
> Events and continuous clock on clock lane, correct dsi mode flags
> according to that removing MIPI_DSI_MODE_VIDEO_BURST flag.
>
> Cc: <stable at vger.kernel.org>
> Fixes: 30e2ae943c26 ("drm/bridge: Introduce LT8912B DSI to HDMI bridge")
> Signed-off-by: Francesco Dolcini <francesco.dolcini at toradex.com>
> ---
>  drivers/gpu/drm/bridge/lontium-lt8912b.c | 1 -
>  1 file changed, 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/bridge/lontium-lt8912b.c b/drivers/gpu/drm/bridge/lontium-lt8912b.c
> index b40baced1331..13c131ade268 100644
> --- a/drivers/gpu/drm/bridge/lontium-lt8912b.c
> +++ b/drivers/gpu/drm/bridge/lontium-lt8912b.c
> @@ -504,7 +504,6 @@ static int lt8912_attach_dsi(struct lt8912 *lt)
>         dsi->format = MIPI_DSI_FMT_RGB888;
>
>         dsi->mode_flags = MIPI_DSI_MODE_VIDEO |
> -                         MIPI_DSI_MODE_VIDEO_BURST |
>                           MIPI_DSI_MODE_LPM |
>                           MIPI_DSI_MODE_NO_EOT_PACKET;
>
> --
> 2.25.1
>

Letting this sleep for a few days before applying.

Reviewed-by: Robert Foss <rfoss at kernel.org>


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