From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CB38F28C5D0 for ; Fri, 11 Apr 2025 11:46:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.167.242.64 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744371981; cv=none; b=LCjBzukyOHt62j2TxcYaEW34aXYoKj+JDhgJDzGaHzX+hWzA6TleygNMMD1qk9s1SIm0QnViym+XjMYDwJIJLP1tx19VddLSo+HoIMuWTcJ+BAD7UKT2AvMzhPVbYkolnq4U7RJw5vb/Likmr8z30RrjfSZ7+uYEV7wamukcd+s= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744371981; c=relaxed/simple; bh=K+4xcZ9porh408iI+cjsqBYfGnOE8wUR243OLuQs6oo=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=HJ9qfX2micAuglEpR0VZRXVz5xsOs/rayVft9IH5UePs5L9KwD+XMC/ptJWQsQ83opip/IyLSG38Cnvd9yhcDTpxUezXn/wfg67Mada97RkI2lsAcF8L6Bl8pnmaYPVnQ4AAfTWMIShpKK5dgn+t2uvV7c6OcC0OgmlXDTvLF+k= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ideasonboard.com; spf=pass smtp.mailfrom=ideasonboard.com; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b=IUEr0C72; arc=none smtp.client-ip=213.167.242.64 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="IUEr0C72" Received: from [192.168.88.20] (91-158-153-178.elisa-laajakaista.fi [91.158.153.178]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 54FC083D; Fri, 11 Apr 2025 13:44:10 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1744371851; bh=K+4xcZ9porh408iI+cjsqBYfGnOE8wUR243OLuQs6oo=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=IUEr0C72GZ1Hbjmhy7sQypayCDe5jhQQiH2pIHyFmlVk7JkV1Ga8PS7qA9ug3QOF0 28FASrh0LGUXAj5udJgInpyRVgr5egyXbOwHnysE5RVi9NdAcXKs1E7QSxm0ZO9AuJ L8tCMJVWPIRqAnAgdvMUQD31kAKZPazS20wG9qLQ= Message-ID: <151127e5-6183-457b-9b80-137d01c5cd62@ideasonboard.com> Date: Fri, 11 Apr 2025 14:46:05 +0300 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] drm/bridge: cdns-dsi: Fix the _atomic_check() To: Aradhya Bhatia Cc: DRI Development List , Linux Kernel List , Devarsh Thakkar , Dmitry Baryshkov , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter References: <20250410134646.96811-1-aradhya.bhatia@linux.dev> Content-Language: en-US From: Tomi Valkeinen Autocrypt: addr=tomi.valkeinen@ideasonboard.com; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 10/04/2025 16:46, Aradhya Bhatia wrote: > Use the "adjusted_mode" for the dsi configuration check, as that is the > more appropriate display_mode for validation, and later bridge enable. > > Also, fix the mode_valid_check parameter from false to true, as the dsi > configuration check is taking place during the check-phase, and the > crtc_* mode values are not expected to be populated yet. > > Fixes: a53d987756ea ("drm/bridge: cdns-dsi: Move DSI mode check to _atomic_check()") > Signed-off-by: Aradhya Bhatia > --- > drivers/gpu/drm/bridge/cadence/cdns-dsi-core.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/bridge/cadence/cdns-dsi-core.c b/drivers/gpu/drm/bridge/cadence/cdns-dsi-core.c > index b022dd6e6b6e..1c3fefce5fd2 100644 > --- a/drivers/gpu/drm/bridge/cadence/cdns-dsi-core.c > +++ b/drivers/gpu/drm/bridge/cadence/cdns-dsi-core.c > @@ -989,10 +989,10 @@ static int cdns_dsi_bridge_atomic_check(struct drm_bridge *bridge, > struct cdns_dsi_input *input = bridge_to_cdns_dsi_input(bridge); > struct cdns_dsi *dsi = input_to_dsi(input); > struct cdns_dsi_bridge_state *dsi_state = to_cdns_dsi_bridge_state(bridge_state); > - const struct drm_display_mode *mode = &crtc_state->mode; > + const struct drm_display_mode *adjusted_mode = &crtc_state->adjusted_mode; > struct cdns_dsi_cfg *dsi_cfg = &dsi_state->dsi_cfg; > > - return cdns_dsi_check_conf(dsi, mode, dsi_cfg, false); > + return cdns_dsi_check_conf(dsi, adjusted_mode, dsi_cfg, true); > } > > static struct drm_bridge_state * > > base-commit: 0ac7ad5e352dcf18a4d42a4671f7cda69847712b I think this makes sense. Reviewed-by: Tomi Valkeinen Tomi