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 5E2811D363D; Sun, 17 Nov 2024 20:54:44 +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=1731876886; cv=none; b=t4lmYoX6ZLkOtSjLDubmKWp/EvqoGdvk5GBpfp7TCdrVAzotZW3GmUk45YxaHuf4VoPlE+atiOC9DFFSkJpcuOUSpC4xBeC1kKRfn2J52N94GGfJzzvRxt4wfesQQoWkmruEjo+pB9d0A3FNlos0F+tR+166ARMUFBVRsSd58Ps= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731876886; c=relaxed/simple; bh=w9SUo0onmIEsCbHLk8aWeLWWcw+C7sEI352gJsh+oTo=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=uAHkXXuUgrgHZMegLcncXyYT05HB61j8b6lThkdSI4aVj28ZZXb0phb6wXWLwIo+bImHNTUMM4Bn0Ux8IkH+ydOpgVIuMDbpJPnVOqrXWJj9c/R6jdB4SNtFPGM/bSI41okC8zhCI0YRexY5BzIuNTkDo+VPjqcG8Edfn9Scdqg= 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=XZe5vUJI; 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="XZe5vUJI" Received: from pendragon.ideasonboard.com (81-175-209-231.bb.dnainternet.fi [81.175.209.231]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 701F57FE; Sun, 17 Nov 2024 21:54:19 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1731876859; bh=w9SUo0onmIEsCbHLk8aWeLWWcw+C7sEI352gJsh+oTo=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=XZe5vUJIolLfMAXIsVhz7GffiGmYnhewBuHdpxEvyTaXOd4N0DgZ4tZSXv4c2lG6W P1rY+Y4mit0F7L7b6m1SfRmXQEUS7GNzudoX7LQ8FZPzyXf8+sXDu7C268CgkZxL7P /8QQwAwE2VSY81CTqI8e/nIrkb9w4cBk5Zd/KEKQ= Date: Sun, 17 Nov 2024 22:54:26 +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 1/5] drm/encoder_slave: make mode_valid accept const struct drm_display_mode Message-ID: <20241117205426.GE12409@pendragon.ideasonboard.com> References: <20241115-drm-connector-mode-valid-const-v1-0-b1b523156f71@linaro.org> <20241115-drm-connector-mode-valid-const-v1-1-b1b523156f71@linaro.org> Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org 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-v1-1-b1b523156f71@linaro.org> Hi Dmitry, Thank you for the patch. On Fri, Nov 15, 2024 at 11:09:26PM +0200, Dmitry Baryshkov wrote: > The mode_valid() callbacks of drm_encoder, drm_crtc and drm_bridge > accept const struct drm_display_mode argument. Change the mode_valid > callback of drm_encoder_slave to also accept const argument. > > Signed-off-by: Dmitry Baryshkov Reviewed-by: Laurent Pinchart On a side note, there's only two I2C slave encoder drivers left... I wonder if we could so something about them. The ch7006 and sil164 drivers seem to be used by nouveau only, could they be moved to drivers/gpu/drm/nouveau/ ? We would move the whole drm_encoder_slave implementation there too, and leave it to die (or get taken out of limbo and fixed) with dispnv04. > --- > drivers/gpu/drm/i2c/ch7006_drv.c | 2 +- > drivers/gpu/drm/i2c/sil164_drv.c | 2 +- > drivers/gpu/drm/nouveau/dispnv04/tvnv17.c | 2 +- > include/drm/drm_encoder_slave.h | 2 +- > 4 files changed, 4 insertions(+), 4 deletions(-) > > diff --git a/drivers/gpu/drm/i2c/ch7006_drv.c b/drivers/gpu/drm/i2c/ch7006_drv.c > index 131512a5f3bd996ad1e2eb869ffa09837daba0c7..a57f0a41c1a9e2006142fe0bad2914b0c344c82a 100644 > --- a/drivers/gpu/drm/i2c/ch7006_drv.c > +++ b/drivers/gpu/drm/i2c/ch7006_drv.c > @@ -104,7 +104,7 @@ static bool ch7006_encoder_mode_fixup(struct drm_encoder *encoder, > } > > static int ch7006_encoder_mode_valid(struct drm_encoder *encoder, > - struct drm_display_mode *mode) > + const struct drm_display_mode *mode) > { > if (ch7006_lookup_mode(encoder, mode)) > return MODE_OK; > diff --git a/drivers/gpu/drm/i2c/sil164_drv.c b/drivers/gpu/drm/i2c/sil164_drv.c > index ff23422727fce290a188e495d343e32bc2c373ec..708e119072fcb50c31b5596b75dc341429b93697 100644 > --- a/drivers/gpu/drm/i2c/sil164_drv.c > +++ b/drivers/gpu/drm/i2c/sil164_drv.c > @@ -255,7 +255,7 @@ sil164_encoder_restore(struct drm_encoder *encoder) > > static int > sil164_encoder_mode_valid(struct drm_encoder *encoder, > - struct drm_display_mode *mode) > + const struct drm_display_mode *mode) > { > struct sil164_priv *priv = to_sil164_priv(encoder); > > diff --git a/drivers/gpu/drm/nouveau/dispnv04/tvnv17.c b/drivers/gpu/drm/nouveau/dispnv04/tvnv17.c > index 3ecb101d23e949b753b873d24eec01ad6fe7f5d6..35ad4e10d27323c87704a3ff35b7dc26462c82bd 100644 > --- a/drivers/gpu/drm/nouveau/dispnv04/tvnv17.c > +++ b/drivers/gpu/drm/nouveau/dispnv04/tvnv17.c > @@ -308,7 +308,7 @@ static int nv17_tv_get_modes(struct drm_encoder *encoder, > } > > static int nv17_tv_mode_valid(struct drm_encoder *encoder, > - struct drm_display_mode *mode) > + const struct drm_display_mode *mode) > { > struct nv17_tv_norm_params *tv_norm = get_tv_norm(encoder); > > diff --git a/include/drm/drm_encoder_slave.h b/include/drm/drm_encoder_slave.h > index 49172166a164474f43e4afb2eeeb3cde8ae7c61a..b526643833dcf78bae29f9fbbe27de3f730b55d8 100644 > --- a/include/drm/drm_encoder_slave.h > +++ b/include/drm/drm_encoder_slave.h > @@ -85,7 +85,7 @@ struct drm_encoder_slave_funcs { > * @mode_valid: Analogous to &drm_encoder_helper_funcs @mode_valid. > */ > int (*mode_valid)(struct drm_encoder *encoder, > - struct drm_display_mode *mode); > + const struct drm_display_mode *mode); > /** > * @mode_set: Analogous to &drm_encoder_helper_funcs @mode_set > * callback. Wrapped by drm_i2c_encoder_mode_set(). > -- Regards, Laurent Pinchart