[Intel-gfx] [PATCH v6 14/23] drm/modes: Properly generate a drm_display_mode from a named mode

[Mateusz Kwiatkowski]

Hi Maxime,

> +static struct drm_display_mode *drm_named_mode(struct drm_device *dev,
> +					       struct drm_cmdline_mode *cmd)
> +{
> +	struct drm_display_mode *mode;
> +	unsigned int i;
> +
> +	for (i = 0; i < ARRAY_SIZE(drm_named_modes); i++) {
> +		const struct drm_named_mode *named_mode = &drm_named_modes[i];
> +
> +		if (strcmp(cmd->name, named_mode->name))
> +			continue;
> +
> +		if (!named_mode->tv_mode)
> +			continue;
> +
> +		mode = drm_analog_tv_mode(dev,
> +					  named_mode->tv_mode,
> +					  named_mode->pixel_clock_khz * 1000,
> +					  named_mode->xres,
> +					  named_mode->yres,
> +					  named_mode->flags & DRM_MODE_FLAG_INTERLACE);
> +		if (!mode)
> +			return NULL;
> +
> +		return mode;
> +	}
> +
> +	return NULL;
> +}
> +

You didn't add tv_mode_specified to struct drm_named_mode, and left the
if (!named_mode->tv_mode) condition here. This will break on NTSC.

Best regards,
Mateusz Kwiatkowski