From patchwork Thu Apr 5 09:49:31 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Enric Balletbo i Serra X-Patchwork-Id: 10325337 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 87F5860541 for ; Thu, 5 Apr 2018 20:37:10 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7680F29383 for ; Thu, 5 Apr 2018 20:37:10 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6B21F29394; Thu, 5 Apr 2018 20:37:10 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 9DFC529383 for ; Thu, 5 Apr 2018 20:37:09 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 06E356E851; Thu, 5 Apr 2018 20:37:05 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [46.235.227.227]) by gabe.freedesktop.org (Postfix) with ESMTPS id EC10F6E70E for ; Thu, 5 Apr 2018 09:50:14 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) (Authenticated sender: eballetbo) with ESMTPSA id C9BC22779F0 From: Enric Balletbo i Serra To: architt@codeaurora.org, inki.dae@samsung.com, thierry.reding@gmail.com, hjc@rock-chips.com, seanpaul@chromium.org, airlied@linux.ie, tfiga@chromium.org, heiko@sntech.de Subject: [PATCH v6 01/30] drm/bridge: analogix_dp: Move enable video into config_video() Date: Thu, 5 Apr 2018 11:49:31 +0200 Message-Id: <20180405095000.9756-2-enric.balletbo@collabora.com> X-Mailer: git-send-email 2.16.3 In-Reply-To: <20180405095000.9756-1-enric.balletbo@collabora.com> References: <20180405095000.9756-1-enric.balletbo@collabora.com> MIME-Version: 1.0 X-Mailman-Approved-At: Thu, 05 Apr 2018 20:37:03 +0000 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Laurent.pinchart@ideasonboard.com, ykk@rock-chips.com, kernel@collabora.com, m.szyprowski@samsung.com, linux-samsung-soc@vger.kernel.org, rydberg@bitmath.org, krzk@kernel.org, linux-rockchip@lists.infradead.org, kgene@kernel.org, linux-input@vger.kernel.org, orjan.eide@arm.com, wxt@rock-chips.com, jeffy.chen@rock-chips.com, =?UTF-8?q?St=C3=A9phane=20Marchesin?= , linux-arm-kernel@lists.infradead.org, mark.yao@rock-chips.com, wzz@rock-chips.com, hl@rock-chips.com, jingoohan1@gmail.com, sw0312.kim@samsung.com, dianders@chromium.org, kyungmin.park@samsung.com, Enric Balletbo i Serra , kuankuan.y@gmail.com, hshi@chromium.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: Lin Huang We need to enable video before analogix_dp_is_video_stream_on(), so we can get the right video stream status. We needed to increase the delay in the timeout loop because there is random "Timeout of video streamclk ok" message happen when debug edp panel, this time do not define in the spec. Cc: 征增 王 Cc: Stéphane Marchesin Signed-off-by: Lin Huang Signed-off-by: Sean Paul Signed-off-by: Thierry Escande Reviewed-by: Andrzej Hajda Signed-off-by: Enric Balletbo i Serra Tested-by: Marek Szyprowski --- drivers/gpu/drm/bridge/analogix/analogix_dp_core.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c index 5c52307146c7..05a0ca4af057 100644 --- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c @@ -819,11 +819,10 @@ static int analogix_dp_config_video(struct analogix_dp_device *dp) if (analogix_dp_is_slave_video_stream_clock_on(dp) == 0) break; if (timeout_loop > DP_TIMEOUT_LOOP_COUNT) { - dev_err(dp->dev, "Timeout of video streamclk ok\n"); + dev_err(dp->dev, "Timeout of slave video streamclk ok\n"); return -ETIMEDOUT; } - - usleep_range(1, 2); + usleep_range(1000, 1001); } /* Set to use the register calculated M/N video */ @@ -838,6 +837,9 @@ static int analogix_dp_config_video(struct analogix_dp_device *dp) /* Configure video slave mode */ analogix_dp_enable_video_master(dp, 0); + /* Enable video */ + analogix_dp_start_video(dp); + timeout_loop = 0; for (;;) { @@ -948,9 +950,6 @@ static void analogix_dp_commit(struct analogix_dp_device *dp) DRM_ERROR("failed to enable the panel\n"); } - /* Enable video */ - analogix_dp_start_video(dp); - dp->psr_enable = analogix_dp_detect_sink_psr(dp); if (dp->psr_enable) analogix_dp_enable_sink_psr(dp);