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Thu, 23 Apr 2026 05:59:36 -0700 (PDT) From: Myeonghun Pak To: Neil Armstrong Cc: Jessica Zhang , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Sumit Semwal , Casey Connolly , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Myeonghun Pak Subject: [PATCH v2 1/3] drm/panel: ilitek-ili9881c: use devm_drm_panel_add() Date: Thu, 23 Apr 2026 21:59:20 +0900 Message-ID: <20260423125922.57428-2-mhun512@gmail.com> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20260423125922.57428-1-mhun512@gmail.com> References: <20260423125922.57428-1-mhun512@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Replace drm_panel_add()/drm_panel_remove() with devm_drm_panel_add() now that drm-misc-next provides it. This keeps panel deregistration tied to the device lifetime and removes the manual cleanup from the remove callback. Signed-off-by: Myeonghun Pak Reviewed-by: Neil Armstrong --- drivers/gpu/drm/panel/panel-ilitek-ili9881c.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c b/drivers/gpu/dr= m/panel/panel-ilitek-ili9881c.c index 0652cdb57d..bc3cd9a182 100644 --- a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c +++ b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c @@ -2590,7 +2590,9 @@ static int ili9881c_dsi_probe(struct mipi_dsi_device = *dsi) if (ret) return ret; =20 - drm_panel_add(&ctx->panel); + ret =3D devm_drm_panel_add(&dsi->dev, &ctx->panel); + if (ret) + return dev_err_probe(&dsi->dev, ret, "Failed to add panel\n"); =20 dsi->mode_flags =3D ctx->desc->mode_flags; dsi->format =3D MIPI_DSI_FMT_RGB888; @@ -2601,10 +2603,7 @@ static int ili9881c_dsi_probe(struct mipi_dsi_device= *dsi) =20 static void ili9881c_dsi_remove(struct mipi_dsi_device *dsi) { - struct ili9881c *ctx =3D mipi_dsi_get_drvdata(dsi); - mipi_dsi_detach(dsi); - drm_panel_remove(&ctx->panel); 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Thu, 23 Apr 2026 05:59:41 -0700 (PDT) From: Myeonghun Pak To: Neil Armstrong Cc: Jessica Zhang , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Sumit Semwal , Casey Connolly , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Myeonghun Pak Subject: [PATCH v2 2/3] drm/panel: jdi-fhd-r63452: use devm_drm_panel_add() Date: Thu, 23 Apr 2026 21:59:21 +0900 Message-ID: <20260423125922.57428-3-mhun512@gmail.com> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20260423125922.57428-1-mhun512@gmail.com> References: <20260423125922.57428-1-mhun512@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Replace drm_panel_add()/drm_panel_remove() with devm_drm_panel_add() now that drm-misc-next provides it. This keeps panel deregistration tied to the device lifetime and removes the manual cleanup from the remove callback. Signed-off-by: Myeonghun Pak Reviewed-by: Neil Armstrong --- drivers/gpu/drm/panel/panel-jdi-fhd-r63452.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/panel/panel-jdi-fhd-r63452.c b/drivers/gpu/drm= /panel/panel-jdi-fhd-r63452.c index cbe354b51b..32822c5712 100644 --- a/drivers/gpu/drm/panel/panel-jdi-fhd-r63452.c +++ b/drivers/gpu/drm/panel/panel-jdi-fhd-r63452.c @@ -200,7 +200,9 @@ static int jdi_fhd_r63452_probe(struct mipi_dsi_device = *dsi) if (ret) return dev_err_probe(dev, ret, "Failed to get backlight\n"); =20 - drm_panel_add(&ctx->panel); + ret =3D devm_drm_panel_add(dev, &ctx->panel); + if (ret) + return dev_err_probe(dev, ret, "Failed to add panel\n"); =20 ret =3D mipi_dsi_attach(dsi); if (ret < 0) { @@ -213,14 +215,11 @@ static int jdi_fhd_r63452_probe(struct mipi_dsi_devic= e *dsi) =20 static void jdi_fhd_r63452_remove(struct mipi_dsi_device *dsi) { - struct jdi_fhd_r63452 *ctx =3D mipi_dsi_get_drvdata(dsi); int ret; =20 ret =3D mipi_dsi_detach(dsi); 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Thu, 23 Apr 2026 05:59:45 -0700 (PDT) From: Myeonghun Pak To: Neil Armstrong Cc: Jessica Zhang , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Sumit Semwal , Casey Connolly , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Myeonghun Pak Subject: [PATCH v2 3/3] drm/panel: lg-sw43408: use devm_drm_panel_add() Date: Thu, 23 Apr 2026 21:59:22 +0900 Message-ID: <20260423125922.57428-4-mhun512@gmail.com> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20260423125922.57428-1-mhun512@gmail.com> References: <20260423125922.57428-1-mhun512@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Replace drm_panel_add()/drm_panel_remove() with devm_drm_panel_add() now that drm-misc-next provides it. This keeps panel deregistration tied to the device lifetime and removes the manual cleanup from the remove callback. Signed-off-by: Myeonghun Pak Reviewed-by: Neil Armstrong --- drivers/gpu/drm/panel/panel-lg-sw43408.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/panel/panel-lg-sw43408.c b/drivers/gpu/drm/pan= el/panel-lg-sw43408.c index 293826c500..8969f57b89 100644 --- a/drivers/gpu/drm/panel/panel-lg-sw43408.c +++ b/drivers/gpu/drm/panel/panel-lg-sw43408.c @@ -254,8 +254,11 @@ static int sw43408_add(struct sw43408_panel *ctx) =20 ctx->base.prepare_prev_first =3D true; =20 - drm_panel_add(&ctx->base); - return ret; + ret =3D devm_drm_panel_add(dev, &ctx->base); + if (ret < 0) + return dev_err_probe(dev, ret, "Failed to add panel\n"); + + return 0; } =20 static int sw43408_probe(struct mipi_dsi_device *dsi) @@ -299,14 +302,11 @@ static int sw43408_probe(struct mipi_dsi_device *dsi) =20 static void sw43408_remove(struct mipi_dsi_device *dsi) { - struct sw43408_panel *ctx =3D mipi_dsi_get_drvdata(dsi); int ret; =20 ret =3D mipi_dsi_detach(dsi); if (ret < 0) dev_err(&dsi->dev, "failed to detach from DSI host: %d\n", ret); - - drm_panel_remove(&ctx->base); } =20 static struct mipi_dsi_driver sw43408_driver =3D { --=20 2.47.1