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Sat, 18 Jul 2026 16:36:00 -0700 (PDT) From: Diogo Silva Date: Sun, 19 Jul 2026 01:35:32 +0200 Subject: [PATCH 01/15] drm/exynos: remove dependency on DRM simple helpers Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260719-drm_simple_encoder_init-v1-1-a78c509e3062@gmail.com> References: <20260719-drm_simple_encoder_init-v1-0-a78c509e3062@gmail.com> In-Reply-To: <20260719-drm_simple_encoder_init-v1-0-a78c509e3062@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 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/exynos/exynos_dp.c | 13 +++++++++++-- drivers/gpu/drm/exynos/exynos_drm_dpi.c | 14 ++++++++++++-- drivers/gpu/drm/exynos/exynos_drm_dsi.c | 11 +++++++++-- drivers/gpu/drm/exynos/exynos_drm_vidi.c | 14 ++++++++++++-- drivers/gpu/drm/exynos/exynos_hdmi.c | 15 +++++++++++++-- 5 files changed, 57 insertions(+), 10 deletions(-) diff --git a/drivers/gpu/drm/exynos/exynos_dp.c b/drivers/gpu/drm/exynos/exynos_dp.c index b80540328150..1598892c602b 100644 --- a/drivers/gpu/drm/exynos/exynos_dp.c +++ b/drivers/gpu/drm/exynos/exynos_dp.c @@ -24,11 +24,11 @@ #include #include #include +#include #include #include #include #include -#include #include #include "exynos_drm_crtc.h" @@ -79,6 +79,10 @@ static void exynos_dp_nop(struct drm_encoder *encoder) /* do nothing */ } +static const struct drm_encoder_funcs exynos_dp_encoder_funcs = { + .destroy = drm_encoder_cleanup, +}; + static const struct drm_encoder_helper_funcs exynos_dp_encoder_helper_funcs = { .mode_set = exynos_dp_mode_set, .enable = exynos_dp_nop, @@ -95,7 +99,12 @@ static int exynos_dp_bind(struct device *dev, struct device *master, void *data) dp->drm_dev = drm_dev; - drm_simple_encoder_init(drm_dev, encoder, DRM_MODE_ENCODER_TMDS); + ret = drm_encoder_init(drm_dev, encoder, &exynos_dp_encoder_funcs, + DRM_MODE_ENCODER_TMDS, NULL); + if (ret) { + dev_err(dp->dev, "Failed to initialize encoder\n"); + return ret; + } drm_encoder_helper_add(encoder, &exynos_dp_encoder_helper_funcs); diff --git a/drivers/gpu/drm/exynos/exynos_drm_dpi.c b/drivers/gpu/drm/exynos/exynos_drm_dpi.c index 0dc36df6ada3..4e42a1da81d1 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_dpi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_dpi.c @@ -12,10 +12,10 @@ #include #include +#include #include #include #include -#include #include