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Mon, 20 Jul 2026 08:40:57 -0700 (PDT) Received: from [127.0.0.2] ([2a01:14:111:ccf0:e9c1:2f80:10a9:c708]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-47f67466e09sm32667936f8f.21.2026.07.20.08.40.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 20 Jul 2026 08:40:56 -0700 (PDT) From: Diogo Silva Date: Mon, 20 Jul 2026 17:40:35 +0200 Subject: [PATCH v2 03/15] drm/tegra: remove dependency on DRM simple helpers MIME-Version: 1.0 Message-Id: <20260720-drm_simple_encoder_init-v2-3-5020b630668a@gmail.com> References: <20260720-drm_simple_encoder_init-v2-0-5020b630668a@gmail.com> In-Reply-To: <20260720-drm_simple_encoder_init-v2-0-5020b630668a@gmail.com> To: Jingoo Han , Inki Dae , Seung-Woo Kim , Kyungmin Park , David Airlie , Simona Vetter , Krzysztof Kozlowski , Peter Griffin , Alim Akhtar , Laurent Pinchart , Tomi Valkeinen , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Michal Simek , Thierry Reding , Mikko Perttunen , Jonathan Hunter , Stefan Agner , Alison Wang , Anitha Chrisanthus , David Airlie , Gerd Hoffmann , Dmitry Osipenko , Gurchetan Singh , Chia-I Wu , Jyri Sarha , Liu Ying , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Chun-Kuang Hu , Philipp Zabel , Matthias Brugger , AngeloGioacchino Del Regno , Geert Uytterhoeven , Xinliang Liu , Sumit Semwal , Yongqin Liu , John Stultz , Liviu Dudau , Neil Armstrong , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , Jonathan Corbet , Shuah Khan Cc: 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, linux-renesas-soc@vger.kernel.org, linux-amlogic@lists.infradead.org, linux-doc@vger.kernel.org, Diogo Silva X-Mailer: b4 0.15.2 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260720_164058_892488_527313B0 X-CRM114-Status: GOOD ( 14.02 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org 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. Also check the return value from drm_encoder_init() to avoid silent failures. Signed-off-by: Diogo Silva --- drivers/gpu/drm/tegra/dsi.c | 16 +++++++++++++--- drivers/gpu/drm/tegra/rgb.c | 15 +++++++++++++-- 2 files changed, 26 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/tegra/dsi.c b/drivers/gpu/drm/tegra/dsi.c index e7fdd8c7ac12..3f818c195e9a 100644 --- a/drivers/gpu/drm/tegra/dsi.c +++ b/drivers/gpu/drm/tegra/dsi.c @@ -20,11 +20,11 @@ #include #include +#include #include #include #include #include -#include #include "dc.h" #include "drm.h" @@ -1055,6 +1055,10 @@ tegra_dsi_encoder_atomic_check(struct drm_encoder *encoder, return err; } +static const struct drm_encoder_funcs tegra_dsi_encoder_funcs = { + .destroy = drm_encoder_cleanup, +}; + static const struct drm_encoder_helper_funcs tegra_dsi_encoder_helper_funcs = { .disable = tegra_dsi_encoder_disable, .enable = tegra_dsi_encoder_enable, @@ -1078,8 +1082,14 @@ static int tegra_dsi_init(struct host1x_client *client) &tegra_dsi_connector_helper_funcs); dsi->output.connector.dpms = DRM_MODE_DPMS_OFF; - drm_simple_encoder_init(drm, &dsi->output.encoder, - DRM_MODE_ENCODER_DSI); + err = drm_encoder_init(drm, &dsi->output.encoder, + &tegra_dsi_encoder_funcs, + DRM_MODE_ENCODER_DSI, NULL); + if (err) { + drm_err(drm, "failed to initialize encoder: %d\n", err); + return err; + } + drm_encoder_helper_add(&dsi->output.encoder, &tegra_dsi_encoder_helper_funcs); diff --git a/drivers/gpu/drm/tegra/rgb.c b/drivers/gpu/drm/tegra/rgb.c index e67fbb2362e6..bc1c93c7554c 100644 --- a/drivers/gpu/drm/tegra/rgb.c +++ b/drivers/gpu/drm/tegra/rgb.c @@ -9,7 +9,8 @@ #include #include -#include +#include +#include #include "drm.h" #include "dc.h" @@ -194,6 +195,10 @@ tegra_rgb_encoder_atomic_check(struct drm_encoder *encoder, return err; } +static const struct drm_encoder_funcs tegra_rgb_encoder_funcs = { + .destroy = drm_encoder_cleanup, +}; + static const struct drm_encoder_helper_funcs tegra_rgb_encoder_helper_funcs = { .disable = tegra_rgb_encoder_disable, .enable = tegra_rgb_encoder_enable, @@ -305,7 +310,13 @@ int tegra_dc_rgb_init(struct drm_device *drm, struct tegra_dc *dc) if (!dc->rgb) return -ENODEV; - drm_simple_encoder_init(drm, &output->encoder, DRM_MODE_ENCODER_LVDS); + err = drm_encoder_init(drm, &output->encoder, &tegra_rgb_encoder_funcs, + DRM_MODE_ENCODER_LVDS, NULL); + if (err) { + drm_err(drm, "failed to initialize encoder: %d\n", err); + return err; + } + drm_encoder_helper_add(&output->encoder, &tegra_rgb_encoder_helper_funcs); -- 2.54.0 _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic