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

2023-07-24 Thread 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 Reviewed-by: Noralf Trønnes --- Acked-by: Da

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

2023-07-23 Thread Otto Pflüger
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 Reviewed-by: Noralf Trønnes --- drivers/gpu/drm/drm_mipi_dbi.c | 17 +