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From:   Helen Koike <helen.koike@collabora.com>
To:     dri-devel@lists.freedesktop.org, David Airlie <airlied@linux.ie>
Cc:     dnicoara@chromium.org, daniels@collabora.com,
        alexandros.frantzis@collabora.com, daniel.vetter@ffwll.ch,
        linux-kernel@vger.kernel.org, tomasz Figa <tfiga@chromium.org>,
        tina.zhang@intel.com, boris.brezillon@collabora.com,
        Sean Paul <seanpaul@google.com>, kernel@collabora.com,
        nicholas.kazlauskas@amd.com,
        =?UTF-8?q?St=C3=A9phane=20Marchesin?= <marcheu@google.com>,
        Gustavo Padovan <gustavo.padovan@collabora.com>,
        Helen Koike <helen.koike@collabora.com>,
        Sean Paul <sean@poorly.run>,
        Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
        Maxime Ripard <maxime.ripard@bootlin.com>,
        Daniel Vetter <daniel@ffwll.ch>
Subject: [PATCH v3 1/4] drm/uapi: add documentation for atomic flags
Date:   Fri, 12 Apr 2019 09:58:24 -0300
Message-Id: <20190412125827.5877-2-helen.koike@collabora.com>
In-Reply-To: <20190412125827.5877-1-helen.koike@collabora.com>
References: <20190412125827.5877-1-helen.koike@collabora.com>
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add a brief description of the flags used in an atomic commit

Signed-off-by: Helen Koike <helen.koike@collabora.com>
---

Changes in v3: None
Changes in v2: None
Changes in v1: None

 include/uapi/drm/drm_mode.h | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/include/uapi/drm/drm_mode.h b/include/uapi/drm/drm_mode.h
index 83cd1636b9be..88ef2cf04d13 100644
--- a/include/uapi/drm/drm_mode.h
+++ b/include/uapi/drm/drm_mode.h
@@ -729,7 +729,23 @@ struct drm_mode_destroy_dumb {
 	__u32 handle;
 };
 
-/* page-flip flags are valid, plus: */
+/*
+ * drm atomic flags
+ *
+ * page-flip flags are valid, plus:
+ *
+ * DRM_MODE_ATOMIC_TEST_ONLY
+ * Used with fences to check if the Sync File is a valid one.
+ *
+ * DRM_MODE_ATOMIC_NONBLOCK
+ * Perform a normal atomic update but do not block the ioctl until the request
+ * is finished, return the ioctl call immediately.
+ *
+ * DRM_MODE_ATOMIC_ALLOW_MODESET
+ * Indicates whether a full modeset is acceptable or not.
+ */
+
+/*  */
 #define DRM_MODE_ATOMIC_TEST_ONLY 0x0100
 #define DRM_MODE_ATOMIC_NONBLOCK  0x0200
 #define DRM_MODE_ATOMIC_ALLOW_MODESET 0x0400
-- 
2.20.1