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From: Liviu Dudau <liviu.dudau@arm.com>
To: Diogo Silva <diogompaissilva@gmail.com>
Cc: Jingoo Han <jingoohan1@gmail.com>,
	Inki Dae <inki.dae@samsung.com>,
	Seung-Woo Kim <sw0312.kim@samsung.com>,
	Kyungmin Park <kyungmin.park@samsung.com>,
	David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>,
	Krzysztof Kozlowski <krzk@kernel.org>,
	Peter Griffin <peter.griffin@linaro.org>,
	Alim Akhtar <alim.akhtar@samsung.com>,
	Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
	Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>,
	Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
	Maxime Ripard <mripard@kernel.org>,
	Thomas Zimmermann <tzimmermann@suse.de>,
	Michal Simek <michal.simek@amd.com>,
	Thierry Reding <thierry.reding@kernel.org>,
	Mikko Perttunen <mperttunen@nvidia.com>,
	Jonathan Hunter <jonathanh@nvidia.com>,
	Stefan Agner <stefan@agner.ch>, Alison Wang <alison.wang@nxp.com>,
	Anitha Chrisanthus <anitha.chrisanthus@intel.com>,
	David Airlie <airlied@redhat.com>,
	Gerd Hoffmann <kraxel@redhat.com>,
	Dmitry Osipenko <dmitry.osipenko@collabora.com>,
	Gurchetan Singh <gurchetansingh@chromium.org>,
	Chia-I Wu <olvaffe@gmail.com>, Jyri Sarha <jyri.sarha@iki.fi>,
	Liu Ying <victor.liu@nxp.com>, Frank Li <Frank.Li@nxp.com>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	Pengutronix Kernel Team <kernel@pengutronix.de>,
	Fabio Estevam <festevam@gmail.com>,
	Chun-Kuang Hu <chunkuang.hu@kernel.org>,
	Philipp Zabel <p.zabel@pengutronix.de>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	AngeloGioacchino Del Regno
	<angelogioacchino.delregno@collabora.com>,
	Geert Uytterhoeven <geert+renesas@glider.be>,
	Xinliang Liu <xinliang.liu@linaro.org>,
	Sumit Semwal <sumit.semwal@linaro.org>,
	Yongqin Liu <yongqin.liu@linaro.org>,
	John Stultz <jstultz@google.com>,
	Neil Armstrong <neil.armstrong@linaro.org>,
	Kevin Hilman <khilman@baylibre.com>,
	Jerome Brunet <jbrunet@baylibre.com>,
	Martin Blumenstingl <martin.blumenstingl@googlemail.com>,
	Jonathan Corbet <corbet@lwn.net>,
	Shuah Khan <skhan@linuxfoundation.org>,
	dri-devel@lists.freedesktop.org,
	linux-arm-kernel@lists.infradead.org,
	linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-tegra@vger.kernel.org, virtualization@lists.linux.dev,
	imx@lists.linux.dev, linux-mediatek@lists.infradead.org,
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	linux-amlogic@lists.infradead.org, linux-doc@vger.kernel.org
Subject: Re: [PATCH 12/15] drm/arm/komeda: remove dependency on DRM simple helpers
Date: Tue, 28 Jul 2026 17:21:58 +0100	[thread overview]
Message-ID: <amjXJrbgka00CQX2@e142607> (raw)
In-Reply-To: <20260719-drm_simple_encoder_init-v1-12-a78c509e3062@gmail.com>

On Sun, Jul 19, 2026 at 01:35:43AM +0200, Diogo Silva wrote:
> The simple KMS helpers are deprecated because they only add an
> intermediate layer between drivers and atomic modesetting.
> 
> Open-code drm_simple_encoder_init() by calling drm_encoder_init()
> directly and providing driver-local drm_encoder_funcs.
> 
> Signed-off-by: Diogo Silva <diogompaissilva@gmail.com>

Reviewed-by: Liviu Dudau <liviu.dudau@arm.com>

Best regards,
Liviu

> ---
>  drivers/gpu/drm/arm/display/komeda/komeda_crtc.c | 9 +++++++--
>  1 file changed, 7 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_crtc.c b/drivers/gpu/drm/arm/display/komeda/komeda_crtc.c
> index e8cb782a6f8e..719568d9f7c2 100644
> --- a/drivers/gpu/drm/arm/display/komeda/komeda_crtc.c
> +++ b/drivers/gpu/drm/arm/display/komeda/komeda_crtc.c
> @@ -11,9 +11,9 @@
>  
>  #include <drm/drm_atomic.h>
>  #include <drm/drm_atomic_helper.h>
> +#include <drm/drm_encoder.h>
>  #include <drm/drm_print.h>
>  #include <drm/drm_vblank.h>
> -#include <drm/drm_simple_kms_helper.h>
>  #include <drm/drm_bridge.h>
>  
>  #include "komeda_dev.h"
> @@ -635,6 +635,10 @@ static int komeda_attach_bridge(struct device *dev,
>  	return err;
>  }
>  
> +static const struct drm_encoder_funcs komeda_encoder_funcs = {
> +	.destroy = drm_encoder_cleanup,
> +};
> +
>  static int komeda_crtc_add(struct komeda_kms_dev *kms,
>  			   struct komeda_crtc *kcrtc)
>  {
> @@ -658,7 +662,8 @@ static int komeda_crtc_add(struct komeda_kms_dev *kms,
>  	 * bridge
>  	 */
>  	kcrtc->encoder.possible_crtcs = drm_crtc_mask(crtc);
> -	err = drm_simple_encoder_init(base, encoder, DRM_MODE_ENCODER_TMDS);
> +	err = drm_encoder_init(base, encoder, &komeda_encoder_funcs,
> +			       DRM_MODE_ENCODER_TMDS, NULL);
>  	if (err)
>  		return err;
>  
> 
> -- 
> 2.54.0
> 

-- 
====================
| I would like to |
| fix the world,  |
| but they're not |
| giving me the   |
 \ source code!  /
  ---------------
    ¯\_(ツ)_/¯

  reply	other threads:[~2026-07-28 16:23 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-07-18 23:35 [PATCH 00/15] drm/drm_simple: remove drm_simple_encoder_init Diogo Silva
2026-07-18 23:35 ` [PATCH 01/15] drm/exynos: remove dependency on DRM simple helpers Diogo Silva
2026-07-20 11:05   ` Thomas Zimmermann
2026-07-20 15:15     ` Diogo Silva
2026-07-20 15:27       ` Thomas Zimmermann
2026-07-18 23:35 ` [PATCH 02/15] drm/xlnx/zynqmp_dpsub: " Diogo Silva
2026-07-18 23:35 ` [PATCH 03/15] drm/tegra: " Diogo Silva
2026-07-18 23:35 ` [PATCH 04/15] drm/fsl-dcu: " Diogo Silva
2026-07-18 23:35 ` [PATCH 05/15] drm/kmb: " Diogo Silva
2026-07-18 23:35 ` [PATCH 06/15] drm/virtio: " Diogo Silva
2026-07-18 23:35 ` [PATCH 07/15] drm/tidss: " Diogo Silva
2026-07-18 23:35 ` [PATCH 08/15] drm/imx: " Diogo Silva
2026-07-18 23:35 ` [PATCH 09/15] drm/mediatek: " Diogo Silva
2026-07-18 23:35 ` [PATCH 10/15] drm/renesas/shmobile: " Diogo Silva
2026-07-18 23:35 ` [PATCH 11/15] drm/hisilicon/kirin: " Diogo Silva
2026-07-18 23:35 ` [PATCH 12/15] drm/arm/komeda: " Diogo Silva
2026-07-28 16:21   ` Liviu Dudau [this message]
2026-07-18 23:35 ` [PATCH 13/15] drm/meson: " Diogo Silva
2026-07-18 23:35 ` [PATCH 14/15] drm/drm_simple: remove deprecated drm_simple_encoder_init function Diogo Silva
2026-07-18 23:35 ` [PATCH 15/15] Documentation/gpu: remove completed drm_simple_encoder_init() todo Diogo Silva

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