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 4D9F41DD86C; Sun, 17 Nov 2024 21:02:04 +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=1731877326; cv=none; b=iXNUmwdAI+7f4osTxA8a0BR2BWk7AB5upm/LJ5CUvlrk/QhJIVaKU6HcEUqig6agVKt1Lnfswfvckf1WNgyYvj+Y9rf2sn1/KPKuiff60NkfJZJeDhxIqmGMMVbuIHu8y3KruARYn8c97I+5PzSDvnsgQQSvL9JVoPdGi5ebB+0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731877326; c=relaxed/simple; bh=gn60uRI7cPoOu0aZqxhm0cizQyiIvGbnUSQmXYtqG/g=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=OkN6fWUQcEzxeNK3Vh0CMsHOZdAIe+2Nrh14tY+XmoX43o25WZCVqo09KbJPYyg8bbeIlMQh/Jmzqa8fzN3EY40HvlfbavZ2eoeuEhA/DR84gNjZG24gFouHD4uLFp+wIT82fjIKXG+K5UbJTTn8dHomJAPGkKAf+PRMoAvWpDE= 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=nuFuE4AM; 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="nuFuE4AM" Received: from pendragon.ideasonboard.com (81-175-209-231.bb.dnainternet.fi [81.175.209.231]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id A71AC7CA; Sun, 17 Nov 2024 22:01:45 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1731877305; bh=gn60uRI7cPoOu0aZqxhm0cizQyiIvGbnUSQmXYtqG/g=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=nuFuE4AMBPsFBGqHFQd4ggjkJ+QzgBQXXkXgyRh2K8mqddIBNVuq2ZOYkN5jrTPyP 0WX5eUs1aOXhoq+JyTrup3B+WxggSFrP1A9YGQlL7Qrf7yElE6n/eQNleyHUg4vja4 xktQSbx1VHUUMaFQHwFRkF+ZmnHJ73iJ+P2eE6pc= Date: Sun, 17 Nov 2024 23:01:53 +0200 From: Laurent Pinchart To: Dmitry Baryshkov Cc: Jani Nikula , Rodrigo Vivi , Joonas Lahtinen , Tvrtko Ursulin , David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Karol Herbst , Lyude Paul , Danilo Krummrich , Harry Wentland , Leo Li , Rodrigo Siqueira , Alex Deucher , Christian =?utf-8?B?S8O2bmln?= , Xinhui Pan , Alain Volmat , Raphael Gallais-Pou , Liviu Dudau , Andrzej Hajda , Neil Armstrong , Robert Foss , Jonas Karlman , Jernej Skrabec , Peter Senna Tschudin , Ian Ray , Martyn Welch , Inki Dae , Seung-Woo Kim , Kyungmin Park , Krzysztof Kozlowski , Alim Akhtar , Stefan Agner , Alison Wang , Patrik Jakobsson , Philipp Zabel , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Rob Clark , Abhinav Kumar , Sean Paul , Marijn Suijten , Dave Airlie , Gerd Hoffmann , Sandy Huang , Heiko =?utf-8?Q?St=C3=BCbner?= , Andy Yan , Chen-Yu Tsai , Samuel Holland , Thierry Reding , Mikko Perttunen , Jonathan Hunter , Dave Stevenson , =?utf-8?B?TWHDrXJh?= Canal , Raspberry Pi Kernel Maintenance , Gurchetan Singh , Chia-I Wu , Zack Rusin , Broadcom internal kernel review list , intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, nouveau@lists.freedesktop.org, amd-gfx@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, imx@lists.linux.dev, linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org, virtualization@lists.linux.dev, spice-devel@lists.freedesktop.org, linux-rockchip@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-tegra@vger.kernel.org Subject: Re: [PATCH 2/5] drm/amdgpu: don't change mode in amdgpu_dm_connector_mode_valid() Message-ID: <20241117210153.GF12409@pendragon.ideasonboard.com> References: <20241115-drm-connector-mode-valid-const-v1-0-b1b523156f71@linaro.org> <20241115-drm-connector-mode-valid-const-v1-2-b1b523156f71@linaro.org> Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20241115-drm-connector-mode-valid-const-v1-2-b1b523156f71@linaro.org> Hi Dmitry, Thank you for the patch. On Fri, Nov 15, 2024 at 11:09:27PM +0200, Dmitry Baryshkov wrote: > Make amdgpu_dm_connector_mode_valid() duplicate the mode during the > test rather than modifying the passed mode. This is a preparation to > converting the mode_valid() callback of drm_connector to accept const > struct drm_display_mode argument. > > Signed-off-by: Dmitry Baryshkov > --- > drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 10 ++++++++-- > 1 file changed, 8 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c > index 75d6b90104f8fe196df06383b20ee88196a700bf..d0ca905e91eafe6c53f3f2ebdf3f2ae9589d7f89 100644 > --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c > +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c > @@ -7381,6 +7381,7 @@ enum drm_mode_status amdgpu_dm_connector_mode_valid(struct drm_connector *connec > { > int result = MODE_ERROR; > struct dc_sink *dc_sink; > + struct drm_display_mode *test_mode; > /* TODO: Unhardcode stream count */ > struct dc_stream_state *stream; > struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector); > @@ -7405,11 +7406,16 @@ enum drm_mode_status amdgpu_dm_connector_mode_valid(struct drm_connector *connec > goto fail; > } > > - drm_mode_set_crtcinfo(mode, 0); > + test_mode = drm_mode_duplicate(connector->dev, mode); > + if (!test_mode) > + goto fail; > + > + drm_mode_set_crtcinfo(test_mode, 0); I wonder if things could be refactored further to avoid the need to duplicate the mode here, but that seems out of scope for this patch series. Reviewed-by: Laurent Pinchart > > - stream = create_validate_stream_for_sink(aconnector, mode, > + stream = create_validate_stream_for_sink(aconnector, test_mode, > to_dm_connector_state(connector->state), > NULL); > + drm_mode_destroy(connector->dev, test_mode); > if (stream) { > dc_stream_release(stream); > result = MODE_OK; > -- Regards, Laurent Pinchart