From mboxrd@z Thu Jan 1 00:00:00 1970 From: JeffyChen Subject: Re: [PATCH v6 00/10] rockchip: kevin: Enable edp display Date: Tue, 31 Oct 2017 12:37:43 +0800 Message-ID: <59F7FE17.80405@rock-chips.com> References: <20171019034812.13768-1-jeffy.chen@rock-chips.com> <2449324.8EdsLz1NaV@phil> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <2449324.8EdsLz1NaV@phil> Sender: linux-samsung-soc-owner@vger.kernel.org To: Heiko Stuebner , seanpaul@chromium.org Cc: linux-kernel@vger.kernel.org, briannorris@chromium.org, dianders@chromium.org, tfiga@chromium.org, Andrzej Hajda , Arnd Bergmann , Romain Perier , Russell King , Philipp Zabel , Jonathan Corbet , dri-devel@lists.freedesktop.org, Jingoo Han , David Airlie , Kevin Hilman , Catalin Marinas , Laurent Pinchart , Krzysztof Kozlowski , linux-samsung-soc@vger.kernel.org, Seung-Woo Kim , Inki Dae , linux-rockchip@lists.infradead.org, Kyung List-Id: linux-rockchip.vger.kernel.org Hi Heiko, On 10/31/2017 07:01 AM, Heiko Stuebner wrote: > As I was just looking at the edp dts change in patch1 again, does this > series also contain a fix for the issue below [0] ? > > I'm still seeing this on 4.14-rc6 with the most recent drm tree merged in. > i saw that too, it should due to our psr code...i think Zain has solved these in chromeos kernel, i will ask Zain if he have time to upstream them, or maybe i'll try to upstream them. > > Heiko > > [0] > > [ 27.960120] BUG: scheduling while atomic: kworker/1:1/68/0x00000002 > [ 27.974429] Modules linked in: rockchipdrm dw_hdmi analogix_dp drm_kms_helper panel_simple crc32_ce drm crct10dif_ce rockchip_saradc pwm_bl pwm_cros_ec rockchip_thermal ip_tables x_tabl > es ipv6 smsc95xx smsc75xx ax88179_178a asix usbnet phy_rockchip_pcie pcie_rockchip > [ 28.008769] CPU: 1 PID: 68 Comm: kworker/1:1 Tainted: G W 4.14.0-rc7-03201-g12490811b353 #559 > [ 28.008774] Hardware name: Google Kevin (DT) > [ 28.008825] Workqueue: events analogix_dp_psr_work [rockchipdrm] > [ 28.008828] Call trace: > [ 28.008838] [] dump_backtrace+0x0/0x378 > [ 28.008842] [] show_stack+0x14/0x20 > [ 28.008847] [] dump_stack+0x9c/0xbc > [ 28.008852] [] __schedule_bug+0x4c/0x70 > [ 28.008856] [] __schedule+0x558/0x5e8 > [ 28.008859] [] schedule+0x38/0xa0 > [ 28.008864] [] schedule_hrtimeout_range_clock+0x84/0xe8 > [ 28.008867] [] schedule_hrtimeout_range+0x10/0x18 > [ 28.008870] [] usleep_range+0x64/0x78 > [ 28.008882] [] analogix_dp_transfer+0x16c/0xa88 [analogix_dp] > [ 28.008891] [] analogix_dpaux_transfer+0x10/0x18 [analogix_dp] > [ 28.008950] [] drm_dp_dpcd_access+0x4c/0xf8 [drm_kms_helper] > [ 28.008994] [] drm_dp_dpcd_write+0x1c/0x28 [drm_kms_helper] > [ 28.009002] [] analogix_dp_disable_psr+0x60/0xb0 [analogix_dp] > [ 28.009036] [] analogix_dp_psr_work+0x4c/0xc0 [rockchipdrm] > [ 28.009040] [] process_one_work+0x1d4/0x348 > [ 28.009043] [] worker_thread+0x48/0x470 > [ 28.009048] [] kthread+0x12c/0x130 > [ 28.009052] [] ret_from_fork+0x10/0x18 > > > >