From mboxrd@z Thu Jan  1 00:00:00 1970
From: Sam Ravnborg <sam@ravnborg.org>
Subject: Drop use of DRM_WAIT_ON() [Was: drm/drm_vblank: Change
 EINVAL by the correct errno]
Date: Thu, 13 Jun 2019 07:04:03 +0200
Message-ID: <20190613050403.GA21502@ravnborg.org>
References: <20190613021054.cdewdb3azy6zuoyw@smtp.gmail.com>
Mime-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: base64
Return-path: <intel-gfx-bounces@lists.freedesktop.org>
Content-Disposition: inline
In-Reply-To: <20190613021054.cdewdb3azy6zuoyw@smtp.gmail.com>
List-Unsubscribe: <https://lists.freedesktop.org/mailman/options/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=unsubscribe>
List-Archive: <https://lists.freedesktop.org/archives/intel-gfx>
List-Post: <mailto:intel-gfx@lists.freedesktop.org>
List-Help: <mailto:intel-gfx-request@lists.freedesktop.org?subject=help>
List-Subscribe: <https://lists.freedesktop.org/mailman/listinfo/intel-gfx>,
 <mailto:intel-gfx-request@lists.freedesktop.org?subject=subscribe>
Errors-To: intel-gfx-bounces@lists.freedesktop.org
Sender: "Intel-gfx" <intel-gfx-bounces@lists.freedesktop.org>
To: Rodrigo Siqueira <rodrigosiqueiramelo@gmail.com>
Cc: Maxime Ripard <maxime.ripard@bootlin.com>, kernel-janitors@vger.kernel.org, intel-gfx@lists.freedesktop.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, David Airlie <airlied@linux.ie>
List-Id: intel-gfx@lists.freedesktop.org
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==