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Date:   Sun, 17 May 2020 08:17:37 +0200
From:   Sam Ravnborg <sam@ravnborg.org>
To:     Paul Cercueil <paul@crapouillou.net>
Cc:     David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
        Rob Herring <robh+dt@kernel.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        "Rafael J . Wysocki" <rafael@kernel.org>,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        stable@vger.kernel.org, od@zcrc.me, dri-devel@lists.freedesktop.org
Subject: Re: [PATCH 04/12] gpu/drm: ingenic: Fix bogus crtc_atomic_check
 callback
Message-ID: <20200517061737.GC609600@ravnborg.org>
References: <20200516215057.392609-1-paul@crapouillou.net>
 <20200516215057.392609-4-paul@crapouillou.net>
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On Sat, May 16, 2020 at 11:50:49PM +0200, Paul Cercueil wrote:
> The code was comparing the SoC's maximum height with the mode's width,
> and vice-versa. D'oh.
> 
> Cc: stable@vger.kernel.org # v5.6
> Fixes: a7c909b7c037 ("gpu/drm: ingenic: Check for display size in CRTC atomic check")
> Signed-off-by: Paul Cercueil <paul@crapouillou.net>

Looks correct.
Acked-by: Sam Ravnborg <sam@ravnborg.org>
> ---
> 
> Notes:
>     This patch was previously sent standalone.
>     I marked it as superseded in patchwork.
>     Nothing has been changed here.
> 
>  drivers/gpu/drm/ingenic/ingenic-drm.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/ingenic/ingenic-drm.c b/drivers/gpu/drm/ingenic/ingenic-drm.c
> index 632d72177123..0c472382a08b 100644
> --- a/drivers/gpu/drm/ingenic/ingenic-drm.c
> +++ b/drivers/gpu/drm/ingenic/ingenic-drm.c
> @@ -330,8 +330,8 @@ static int ingenic_drm_crtc_atomic_check(struct drm_crtc *crtc,
>  	if (!drm_atomic_crtc_needs_modeset(state))
>  		return 0;
>  
> -	if (state->mode.hdisplay > priv->soc_info->max_height ||
> -	    state->mode.vdisplay > priv->soc_info->max_width)
> +	if (state->mode.hdisplay > priv->soc_info->max_width ||
> +	    state->mode.vdisplay > priv->soc_info->max_height)
>  		return -EINVAL;
>  
>  	rate = clk_round_rate(priv->pix_clk,
> -- 
> 2.26.2
> 
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