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

[Jagan Teki]

On Mon, Dec 5, 2022 at 5:29 PM Frieder Schrempf
<frieder.schrempf at kontron.de> wrote:
>
> On 10.11.22 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)
> >  #define DSIM_AUTO_MODE                       (1 << 24)
> >  #define DSIM_VIDEO_MODE                      (1 << 25)
> >  #define DSIM_BURST_MODE                      (1 << 26)
> > @@ -804,13 +804,13 @@ static int exynos_dsi_init_link(struct exynos_dsi *dsi)
> >               if (dsi->mode_flags & MIPI_DSI_MODE_VIDEO_AUTO_VERT)
> >                       reg |= DSIM_AUTO_MODE;
> >               if (dsi->mode_flags & MIPI_DSI_MODE_VIDEO_HSE)
> > -                     reg |= DSIM_HSE_MODE;
> > +                     reg |= DSIM_HSE_DISABLE;
>
> Please add a comment to explain that the DSIM_HSE_DISABLE bit as named
> in the datasheet actually has inverted logic (set = HSE enabled).

Yes, I have the V9 series with all relevant fixes and updates -
waiting for the responses on the host init patch 06/14

Jagan.