[PATCH v3 1/2] drm/mipi-dbi: Lock SPI bus before setting D/C GPIO

[David Lechner]

On 7/24/23 1:56 AM, Otto Pflüger wrote:
> Multiple displays may be connected to the same bus and share a D/C GPIO,
> so the display driver needs exclusive access to the bus to ensure that
> it can control the D/C GPIO safely.
> 
> Signed-off-by: Otto Pflüger <otto.pflueger at abscue.de>
> Reviewed-by: Noralf Trønnes <noralf at tronnes.org>
> ---

Acked-by: David Lechner <david at lechnology.com>