linux-kernel - [RFC PATCH v4 01/11] drm: Add a capability flag for simple framebuffer drivers

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Message-Id: <20220429084253.1085911-2-javierm@redhat.com>
Date:   Fri, 29 Apr 2022 10:42:43 +0200
From:   Javier Martinez Canillas <javierm@...hat.com>
To:     linux-kernel@...r.kernel.org
Cc:     dri-devel@...ts.freedesktop.org,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Javier Martinez Canillas <javierm@...hat.com>,
        Daniel Vetter <daniel@...ll.ch>,
        David Airlie <airlied@...ux.ie>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>
Subject: [RFC PATCH v4 01/11] drm: Add a capability flag for simple framebuffer drivers

The DRIVER_FIRMWARE flag denotes that a DRM driver uses a framebuffer
that was initialized and provided by the system firmware for scanout.

Signed-off-by: Javier Martinez Canillas <javierm@...hat.com>
---

(no changes since v1)

 include/drm/drm_drv.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/drm/drm_drv.h b/include/drm/drm_drv.h
index f6159acb8856..abab51705e36 100644
--- a/include/drm/drm_drv.h
+++ b/include/drm/drm_drv.h
@@ -94,6 +94,12 @@ enum drm_driver_feature {
 	 * synchronization of command submission.
 	 */
 	DRIVER_SYNCOBJ_TIMELINE         = BIT(6),
+	/**
+	 * @DRIVER_FIRMWARE:
+	 *
+	 * Denote a driver using a system framebuffer provided by the firmware.
+	 */
+	DRIVER_FIRMWARE                 = BIT(7),
 
 	/* IMPORTANT: Below are all the legacy flags, add new ones above. */
 
-- 
2.35.1