[PATCH v8 02/14] drm: exynos: dsi: Properly name HSA/HBP/HFP/HSE bits

Marek Vasut marex at denx.de
Sat Nov 12 16:25:15 PST 2022


On 11/10/22 19:38, Jagan Teki wrote:
> HSA/HBP/HFP/HSE mode bits in Exynos DSI host specify a naming
> conversion as 'disable mode bit' due to its bit definition,
> 0 = Enable and 1 = Disable.
> 
> Fix the naming convention of the mode bits.
> 
> Signed-off-by: Jagan Teki <jagan at amarulasolutions.com>
> ---
>   drivers/gpu/drm/exynos/exynos_drm_dsi.c | 16 ++++++++--------
>   1 file changed, 8 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
> index b5305b145ddb..fce7f0a7e4ee 100644
> --- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c
> +++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
> @@ -75,10 +75,10 @@
>   #define DSIM_MAIN_PIX_FORMAT_RGB565	(0x4 << 12)
>   #define DSIM_SUB_VC			(((x) & 0x3) << 16)
>   #define DSIM_MAIN_VC			(((x) & 0x3) << 18)
> -#define DSIM_HSA_MODE			(1 << 20)
> -#define DSIM_HBP_MODE			(1 << 21)
> -#define DSIM_HFP_MODE			(1 << 22)
> -#define DSIM_HSE_MODE			(1 << 23)
> +#define DSIM_HSA_DISABLE		(1 << 20)
> +#define DSIM_HBP_DISABLE		(1 << 21)
> +#define DSIM_HFP_DISABLE		(1 << 22)
> +#define DSIM_HSE_DISABLE		(1 << 23)

Those four bits are called Hxx_DISABLE_MODE in the MX8M{M,N,P}RM at 
least, so keep both suffixes .

A separate patch which turns those bits to BIT() macro would be nice.



More information about the linux-arm-kernel mailing list