From nobody Sun Feb 8 02:56:19 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 E4C3EB667; Sun, 20 Apr 2025 00:30:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745109013; cv=none; b=YDc0fppuCcET4LKWztCbPOT+E0hbKpfeyYUQ7d1kUvetVVjsLBIp/01VYdAJOgr1MVHg0+zrUspVsZ9WVof1+aFfK95liD3dzHFfYrAOoAR6PEP0tm4ArKDOWp04oq6FP4/eO2Ytp/xq6HVJW8BT2+iAo9/Nxo+ZItoOdOi5T/I= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1745109013; c=relaxed/simple; bh=lFsiqVIeYeqhHXcEjTCFxaRVC5Dt8c2tiWMgb1QT3HA=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:To:Cc; b=GcAg90Nh6yTMnffi+8ZmFZAZCd9YHFg63voWMoO5G4p4ebynFpWxV/zRriPVMpt81fQLM2IF377yv7vdxw1w0uRdtbmnv+mL4FXCQ4KdeqFp9imO+34ESjzaq/wG7BZIGZ+cXrcTys60S6cJXdOzBS5jeRQkLLvLmz4sPpiPzm0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=gqJbf+De; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="gqJbf+De" Received: by smtp.kernel.org (Postfix) with ESMTPS id 59682C4CEE7; Sun, 20 Apr 2025 00:30:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1745109012; bh=lFsiqVIeYeqhHXcEjTCFxaRVC5Dt8c2tiWMgb1QT3HA=; h=From:Date:Subject:To:Cc:Reply-To:From; b=gqJbf+DeUMUSRzjCItVwNpi8nQdXP0CMVX5fSfnEMKSHvv/+a1NB64gMjtkIH3Tq+ WNmUtx8I5WGXswas34sIAmMTitqfGTU8WhKU1zmE3LsmCXQlGRO9Fl0X1pkEcdCB9t Y80a2XV0jL40C7jLrh+/t+gc4vCbeC+wTW/W2YfDYr5sSa4yM2yPTBcofszzZH6Fjp DMRHyYgS5CRVzR5x6gM4MgPALwUxwLuueo+D88p8dUxzUZe2EMJzlgKUt0hjxLshgI dpMlKo6wkX0LApxf/EP292sOBBPMsIlS6P09wA7r+DqlMZGJHb08AjhP729ihRyCH9 R1FHIc2s2o1jw== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4D51DC369CF; Sun, 20 Apr 2025 00:30:12 +0000 (UTC) From: Aaron Kling via B4 Relay Date: Sat, 19 Apr 2025 19:30:02 -0500 Subject: [PATCH] drm/tegra: Assign plane type before registration Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250419-tegra-drm-primary-v1-1-b91054fb413f@gmail.com> X-B4-Tracking: v=1; b=H4sIAAlABGgC/x3MOwqAMBBF0a3I1A5EUUS3IhbRvOgUfpiIKJK9G yxPce9LASoI1GUvKS4Jsm8JRZ7RtNhtBotLptKUtamKlk/MatnpyofKavXhCVXjMcI76yl1h8L L/T/7IcYPfS/jYGMAAAA= X-Change-ID: 20250419-tegra-drm-primary-ce47febefdaf To: Thierry Reding , Mikko Perttunen , David Airlie , Simona Vetter , Jonathan Hunter Cc: dri-devel@lists.freedesktop.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, Thierry Reding , Aaron Kling , stable@vger.kernel.org X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1745109011; l=3395; i=webgeek1234@gmail.com; s=20250217; h=from:subject:message-id; bh=2G8UkSlgwDeChFlfMMABWHEAXMgLzztWjpyaOPbKpVg=; b=5SgytgEJbkPisD/RHBHH6irE+mqOTQ2Ld0kkRR7fsi+WTpG1T6fpPWy5RZKmNCanrOc94c8fx G/84KB4qIX9CHhOZagae0TMnmaUU7Qvy9Eb2UPx5Y/LUL8lFNeRhTUk X-Developer-Key: i=webgeek1234@gmail.com; a=ed25519; pk=TQwd6q26txw7bkK7B8qtI/kcAohZc7bHHGSD7domdrU= X-Endpoint-Received: by B4 Relay for webgeek1234@gmail.com/20250217 with auth_id=342 X-Original-From: Aaron Kling Reply-To: webgeek1234@gmail.com From: Thierry Reding Changes to a plane's type after it has been registered aren't propagated to userspace automatically. This could possibly be achieved by updating the property, but since we can already determine which type this should be before the registration, passing in the right type from the start is a much better solution. Suggested-by: Aaron Kling Signed-off-by: Thierry Reding Cc: stable@vger.kernel.org --- Signed-off-by: Aaron Kling --- drivers/gpu/drm/tegra/dc.c | 12 ++++++++---- drivers/gpu/drm/tegra/hub.c | 4 ++-- drivers/gpu/drm/tegra/hub.h | 3 ++- 3 files changed, 12 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c index 798507a8ae56d6789feb95dccdd23b2e63d9c148..56f12dbcee3e93ff5e4804e5fe9= b23f160073ebf 100644 --- a/drivers/gpu/drm/tegra/dc.c +++ b/drivers/gpu/drm/tegra/dc.c @@ -1321,10 +1321,16 @@ static struct drm_plane *tegra_dc_add_shared_planes= (struct drm_device *drm, if (wgrp->dc =3D=3D dc->pipe) { for (j =3D 0; j < wgrp->num_windows; j++) { unsigned int index =3D wgrp->windows[j]; + enum drm_plane_type type; + + if (primary) + type =3D DRM_PLANE_TYPE_OVERLAY; + else + type =3D DRM_PLANE_TYPE_PRIMARY; =20 plane =3D tegra_shared_plane_create(drm, dc, wgrp->index, - index); + index, type); if (IS_ERR(plane)) return plane; =20 @@ -1332,10 +1338,8 @@ static struct drm_plane *tegra_dc_add_shared_planes(= struct drm_device *drm, * Choose the first shared plane owned by this * head as the primary plane. */ - if (!primary) { - plane->type =3D DRM_PLANE_TYPE_PRIMARY; + if (!primary) primary =3D plane; - } } } } diff --git a/drivers/gpu/drm/tegra/hub.c b/drivers/gpu/drm/tegra/hub.c index fa6140fc37fb16df4b150e5ae9d8148f8f446cd7..8f779f23dc0904d38b14d3f3a92= 8a07fc9e601ad 100644 --- a/drivers/gpu/drm/tegra/hub.c +++ b/drivers/gpu/drm/tegra/hub.c @@ -755,9 +755,9 @@ static const struct drm_plane_helper_funcs tegra_shared= _plane_helper_funcs =3D { struct drm_plane *tegra_shared_plane_create(struct drm_device *drm, struct tegra_dc *dc, unsigned int wgrp, - unsigned int index) + unsigned int index, + enum drm_plane_type type) { - enum drm_plane_type type =3D DRM_PLANE_TYPE_OVERLAY; struct tegra_drm *tegra =3D drm->dev_private; struct tegra_display_hub *hub =3D tegra->hub; struct tegra_shared_plane *plane; diff --git a/drivers/gpu/drm/tegra/hub.h b/drivers/gpu/drm/tegra/hub.h index 23c4b2115ed1e36e8d2d6ed614a6ead97eb4c441..a66f18c4facc9df96ea8b9f5423= 9b52f06536d12 100644 --- a/drivers/gpu/drm/tegra/hub.h +++ b/drivers/gpu/drm/tegra/hub.h @@ -80,7 +80,8 @@ void tegra_display_hub_cleanup(struct tegra_display_hub *= hub); struct drm_plane *tegra_shared_plane_create(struct drm_device *drm, struct tegra_dc *dc, unsigned int wgrp, - unsigned int index); + unsigned int index, + enum drm_plane_type type); =20 int tegra_display_hub_atomic_check(struct drm_device *drm, struct drm_atomic_state *state); --- base-commit: 119009db267415049182774196e3cce9e13b52ef change-id: 20250419-tegra-drm-primary-ce47febefdaf Best regards, --=20 Aaron Kling