[PATCH v6 11/23] drm/connector: Add pixel clock to cmdline mode
Noralf Trønnes
noralf at tronnes.org
Sun Nov 6 05:06:37 PST 2022
Den 26.10.2022 17.33, skrev maxime at cerno.tech:
> We'll need to get the pixel clock to generate proper display modes for
> all the current named modes. Let's add it to struct drm_cmdline_mode and
> fill it when parsing the named mode.
>
> Signed-off-by: Maxime Ripard <maxime at cerno.tech>
> ---
I would just squash this with the previous patch, either way:
Reviewed-by: Noralf Trønnes <noralf at tronnes.org>
> drivers/gpu/drm/drm_modes.c | 9 ++++++---
> include/drm/drm_connector.h | 7 +++++++
> 2 files changed, 13 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c
> index acee23e1a8b7..c826f9583a1d 100644
> --- a/drivers/gpu/drm/drm_modes.c
> +++ b/drivers/gpu/drm/drm_modes.c
> @@ -2226,22 +2226,24 @@ static int drm_mode_parse_cmdline_options(const char *str,
>
> struct drm_named_mode {
> const char *name;
> + unsigned int pixel_clock_khz;
> unsigned int xres;
> unsigned int yres;
> unsigned int flags;
> };
>
> -#define NAMED_MODE(_name, _x, _y, _flags) \
> +#define NAMED_MODE(_name, _pclk, _x, _y, _flags) \
> { \
> .name = _name, \
> + .pixel_clock_khz = _pclk, \
> .xres = _x, \
> .yres = _y, \
> .flags = _flags, \
> }
>
> static const struct drm_named_mode drm_named_modes[] = {
> - NAMED_MODE("NTSC", 720, 480, DRM_MODE_FLAG_INTERLACE),
> - NAMED_MODE("PAL", 720, 576, DRM_MODE_FLAG_INTERLACE),
> + NAMED_MODE("NTSC", 13500, 720, 480, DRM_MODE_FLAG_INTERLACE),
> + NAMED_MODE("PAL", 13500, 720, 576, DRM_MODE_FLAG_INTERLACE),
> };
>
> static int drm_mode_parse_cmdline_named_mode(const char *name,
> @@ -2282,6 +2284,7 @@ static int drm_mode_parse_cmdline_named_mode(const char *name,
> continue;
>
> strcpy(cmdline_mode->name, mode->name);
> + cmdline_mode->pixel_clock = mode->pixel_clock_khz;
> cmdline_mode->xres = mode->xres;
> cmdline_mode->yres = mode->yres;
> cmdline_mode->interlace = !!(mode->flags & DRM_MODE_FLAG_INTERLACE);
> diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h
> index 96b2e4e12334..5c5e67de2296 100644
> --- a/include/drm/drm_connector.h
> +++ b/include/drm/drm_connector.h
> @@ -1273,6 +1273,13 @@ struct drm_cmdline_mode {
> */
> bool bpp_specified;
>
> + /**
> + * @pixel_clock:
> + *
> + * Pixel Clock in kHz. Optional.
> + */
> + unsigned int pixel_clock;
> +
> /**
> * @xres:
> *
>
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