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SubjectRe: [PATCH 2/4] Add missing check
On Mon, May 03, 2021 at 08:21:46PM +0200, Werner Sembach wrote:
> Add a missing check that could potentially lead to an unarchivable mode being
> validated.
>
> Signed-off-by: Werner Sembach <wse@tuxedocomputers.com>
> ---
>
> >From 54fa706f0a5f260a32af5d18b9622ceebb94c12e Mon Sep 17 00:00:00 2001
> From: Werner Sembach <wse@tuxedocomputers.com>
> Date: Mon, 3 May 2021 14:42:36 +0200
> Subject: [PATCH 2/4] Add missing check

I guess you did something a bit wonky with git format-patch/send-mail?

>
> ---
> drivers/gpu/drm/i915/display/intel_hdmi.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
> index 576d3d910d06..ce165ef28e88 100644
> --- a/drivers/gpu/drm/i915/display/intel_hdmi.c
> +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
> @@ -1913,7 +1913,7 @@ intel_hdmi_mode_valid(struct drm_connector *connector,
> clock *= 2;
> }
>
> - if (drm_mode_is_420_only(&connector->display_info, mode))
> + if (connector->ycbcr_420_allowed && drm_mode_is_420_only(&connector->display_info, mode))

This one shouldn't be necessary. drm_mode_validate_ycbcr420() has
already checked it for us.

> clock /= 2;
>
> status = intel_hdmi_mode_clock_valid(hdmi, clock, has_hdmi_sink);
> --
> 2.25.1

--
Ville Syrjälä
Intel

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