From: "Heiko Stübner" <heiko@sntech.de>
To: andrzej.hajda@intel.com, neil.armstrong@linaro.org,
rfoss@kernel.org, Damon Ding <damon.ding@rock-chips.com>
Cc: Laurent.pinchart@ideasonboard.com, jonas@kwiboo.se,
jernej.skrabec@gmail.com, maarten.lankhorst@linux.intel.com,
mripard@kernel.org, tzimmermann@suse.de, airlied@gmail.com,
simona@ffwll.ch, jingoohan1@gmail.com, inki.dae@samsung.com,
sw0312.kim@samsung.com, kyungmin.park@samsung.com,
krzk@kernel.org, alim.akhtar@samsung.com, hjc@rock-chips.com,
andy.yan@rock-chips.com, dmitry.baryshkov@oss.qualcomm.com,
l.stach@pengutronix.de, dianders@chromium.org,
dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-samsung-soc@vger.kernel.org,
linux-rockchip@lists.infradead.org
Subject: Re: [PATCH v3 00/14] Apply drm_bridge_connector and panel_bridge helper for the Analogix DP driver
Date: Fri, 25 Jul 2025 21:45:48 +0200 [thread overview]
Message-ID: <6070443.MhkbZ0Pkbq@diego> (raw)
In-Reply-To: <b0ce0d8d-4ceb-419e-a892-d39b8633aa13@rock-chips.com>
Hi Damon,
Am Freitag, 25. Juli 2025, 04:15:06 Mitteleuropäische Sommerzeit schrieb Damon Ding:
> On 2025/7/24 21:10, Heiko Stübner wrote:
> > Am Donnerstag, 24. Juli 2025, 10:02:50 Mitteleuropäische Sommerzeit schrieb Damon Ding:
> >> PATCH 1 is a small format optimization for struct analogid_dp_device.
> >> PATCH 2 is to perform mode setting in &drm_bridge_funcs.atomic_enable.
> >> PATCH 3 is to apply a better API for the encoder initialization.
> >> PATCH 4-7 are preparations for apply drm_bridge_connector helper.
> >> PATCH 8 is to apply the drm_bridge_connector helper.
> >> PATCH 9-11 are to move the panel/bridge parsing to the Analogix side.
> >> PATCH 12-13 are preparations for apply panel_bridge helper.
> >> PATCH 14 is to apply the panel_bridge helper.
> >
> > for future revisions, please provide a changelog on what changed since
> > the previous version, I guess ideally here in the cover-letter.
> >
> >
> > On my rk3588-tiger-displayport-carrier this works like a charm
> > Tested-by: Heiko Stuebner <heiko@sntech.de>
> >
> >
> >
> >
>
> Glad to see your review and test. :-)
>
> I will include the version-to-version changelogs (v2 -> v3 and v3 -> v4)
> in the next iteration.
I have to amend that a bit, sadly. When doing a reboot with the edp
running, I see logs like:
[...]
[ 139.614749] systemd-shutdown[1]: Syncing filesystems and block devices.
[ 139.622201] systemd-shutdown[1]: Rebooting.
[ 139.684845] ------------[ cut here ]------------
[ 139.690050] WARNING: CPU: 0 PID: 110 at drivers/iommu/rockchip-iommu.c:989 rk_iommu_identity_attach+0xac/0xbc
[ 139.701175] Modules linked in: panthor rockchip_vdec rocket drm_gpuvm v4l2_vp9 v4l2_h264 drm_exec rockchip_rng drm_shmem_helper v4l2_mem2mem gpu_sched rng_core fuse
[ 139.717685] CPU: 0 UID: 0 PID: 110 Comm: irq/58-HPD Not tainted 6.16.0-rc7-00183-gd436cbe8e4b3 #1541 PREEMPT
[ 139.728799] Hardware name: Theobroma Systems RK3588-Q7 SoM on Tiger Displayport Carrier v1 (DT)
[ 139.738548] pstate: a0400009 (NzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[ 139.746351] pc : rk_iommu_identity_attach+0xac/0xbc
[ 139.751821] lr : rk_iommu_identity_attach+0x70/0xbc
[ 139.757290] sp : ffff800080e4b7c0
[ 139.761001] x29: ffff800080e4b7c0 x28: ffff0001f6f98080 x27: ffff0001f0a4b010
[ 139.769006] x26: ffff0001f6f98e58 x25: 0000000000000000 x24: 0000000000000000
[ 139.777010] x23: 0000000000000000 x22: ffffdbf23c0485e0 x21: ffff0001f0e9cc10
[ 139.785014] x20: ffff0001f0df17a0 x19: ffff0001f0e2cb80 x18: 0000000000000038
[ 139.793018] x17: 0002550800000009 x16: 0000046c0446043e x15: 0438000008ca080c
[ 139.801021] x14: 07d008ca07800780 x13: 0438000008ca080c x12: 07d0078000025508
[ 139.809024] x11: 0002550800000009 x10: 0000046c0446043e x9 : ffffdbf23c137000
[ 139.817031] x8 : 0000000000000438 x7 : 0000000000000000 x6 : 0000000000000000
[ 139.825034] x5 : ffffdbf23adbb9c0 x4 : ffff0001f0df1780 x3 : ffff0001f0df1780
[ 139.833038] x2 : 0000000000000081 x1 : ffff0001f6fad500 x0 : 00000000ffffffea
[ 139.841042] Call trace:
[ 139.843780] rk_iommu_identity_attach+0xac/0xbc (P)
[ 139.849252] rk_iommu_attach_device+0x54/0x134
[ 139.854236] __iommu_device_set_domain+0x7c/0x110
[ 139.859510] __iommu_group_set_domain_internal+0x60/0x134
[ 139.865561] __iommu_attach_group+0x88/0x9c
[ 139.870250] iommu_attach_device+0x68/0xa0
[ 139.874841] rockchip_drm_dma_attach_device+0x28/0x7c
[ 139.880508] vop2_crtc_atomic_enable+0x620/0xaa0
[ 139.885678] drm_atomic_helper_commit_modeset_enables+0xac/0x26c
[ 139.892413] drm_atomic_helper_commit_tail_rpm+0x50/0xa0
[ 139.898369] commit_tail+0xa0/0x1a0
[ 139.902279] drm_atomic_helper_commit+0x17c/0x1b0
[ 139.907552] drm_atomic_commit+0x8c/0xcc
[ 139.911951] drm_client_modeset_commit_atomic+0x228/0x298
[ 139.918005] drm_client_modeset_commit_locked+0x5c/0x188
[ 139.923960] drm_client_modeset_commit+0x2c/0x58
[ 139.929137] __drm_fb_helper_restore_fbdev_mode_unlocked+0xb4/0x100
[ 139.936164] drm_fb_helper_hotplug_event+0xe8/0xf8
[ 139.941526] drm_fbdev_client_hotplug+0x24/0xe0
[ 139.946605] drm_client_hotplug+0x48/0xc4
[ 139.951100] drm_client_dev_hotplug+0x9c/0xd4
[ 139.955984] drm_kms_helper_connector_hotplug_event+0x20/0x30
[ 139.962426] drm_bridge_connector_hpd_cb+0x88/0xa0
[ 139.967790] drm_bridge_hpd_notify+0x3c/0x60
[ 139.972577] display_connector_hpd_irq+0x30/0xa4
[ 139.978835] irq_thread_fn+0x2c/0xb0
[ 139.983894] irq_thread+0x170/0x304
[ 139.988833] kthread+0x12c/0x204
[ 139.993468] ret_from_fork+0x10/0x20
[ 139.998486] ---[ end trace 0000000000000000 ]---
[ 140.004737] ------------[ cut here ]------------
[ 140.010884] WARNING: CPU: 0 PID: 110 at drivers/iommu/rockchip-iommu.c:1040 rk_iommu_attach_device+0x114/0x134
[ 140.023079] Modules linked in: panthor rockchip_vdec rocket drm_gpuvm v4l2_vp9 v4l2_h264 drm_exec rockchip_rng drm_shmem_helper v4l2_mem2mem gpu_sched rng_core fuse
[ 140.040577] CPU: 0 UID: 0 PID: 110 Comm: irq/58-HPD Tainted: G W 6.16.0-rc7-00183-gd436cbe8e4b3 #1541 PREEMPT
[ 140.054457] Tainted: [W]=WARN
[ 140.058804] Hardware name: Theobroma Systems RK3588-Q7 SoM on Tiger Displayport Carrier v1 (DT)
[ 140.069595] pstate: a0400009 (NzCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[ 140.078454] pc : rk_iommu_attach_device+0x114/0x134
[ 140.084989] lr : rk_iommu_attach_device+0x98/0x134
[ 140.091423] sp : ffff800080e4b7e0
[ 140.096197] x29: ffff800080e4b7e0 x28: ffff0001f6f98080 x27: ffff0001f0a4b010
[ 140.105270] x26: ffff0001f6f98e58 x25: 0000000000000000 x24: 0000000000000000
[ 140.114351] x23: ffff0001f6f843e0 x22: ffffdbf23c0485e0 x21: ffff0001f0e9cc10
[ 140.123425] x20: ffff0001f0e2cb80 x19: ffff0001f6f843c0 x18: 0000000000000038
[ 140.132489] x17: 0002550800000009 x16: 0000046c0446043e x15: 0438000008ca080c
[ 140.141552] x14: 07d008ca07800780 x13: 0438000008ca080c x12: 07d0078000025508
[ 140.150623] x11: 0002550800000009 x10: 0000046c0446043e x9 : ffffdbf23c137000
[ 140.159701] x8 : 0000000000000438 x7 : 0000000000000000 x6 : 0000000000000000
[ 140.168772] x5 : ffffdbf23adbb9c0 x4 : ffff0001f0df1780 x3 : ffff0001f0e2cbe0
[ 140.177825] x2 : 0000000000000081 x1 : ffff0001f6fad500 x0 : 00000000ffffffea
[ 140.186858] Call trace:
[ 140.190627] rk_iommu_attach_device+0x114/0x134 (P)
[ 140.197124] __iommu_device_set_domain+0x7c/0x110
[ 140.203417] __iommu_group_set_domain_internal+0x60/0x134
[ 140.210492] __iommu_attach_group+0x88/0x9c
[ 140.216203] iommu_attach_device+0x68/0xa0
[ 140.221802] rockchip_drm_dma_attach_device+0x28/0x7c
[ 140.228479] vop2_crtc_atomic_enable+0x620/0xaa0
[ 140.234664] drm_atomic_helper_commit_modeset_enables+0xac/0x26c
[ 140.242400] drm_atomic_helper_commit_tail_rpm+0x50/0xa0
[ 140.249349] commit_tail+0xa0/0x1a0
[ 140.254246] drm_atomic_helper_commit+0x17c/0x1b0
[ 140.260496] drm_atomic_commit+0x8c/0xcc
[ 140.265866] drm_client_modeset_commit_atomic+0x228/0x298
[ 140.272885] drm_client_modeset_commit_locked+0x5c/0x188
[ 140.279791] drm_client_modeset_commit+0x2c/0x58
[ 140.285914] __drm_fb_helper_restore_fbdev_mode_unlocked+0xb4/0x100
[ 140.293889] drm_fb_helper_hotplug_event+0xe8/0xf8
[ 140.300214] drm_fbdev_client_hotplug+0x24/0xe0
[ 140.306248] drm_client_hotplug+0x48/0xc4
[ 140.311695] drm_client_dev_hotplug+0x9c/0xd4
[ 140.317531] drm_kms_helper_connector_hotplug_event+0x20/0x30
[ 140.324930] drm_bridge_connector_hpd_cb+0x88/0xa0
[ 140.331248] drm_bridge_hpd_notify+0x3c/0x60
[ 140.336990] display_connector_hpd_irq+0x30/0xa4
[ 140.343120] irq_thread_fn+0x2c/0xb0
[ 140.348081] irq_thread+0x170/0x304
[ 140.352937] kthread+0x12c/0x204
[ 140.357501] ret_from_fork+0x10/0x20
[ 140.362453] ---[ end trace 0000000000000000 ]---
After some minutes of hanging it does reboot afterall.
Heiko
next prev parent reply other threads:[~2025-07-25 19:49 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-24 8:02 [PATCH v3 00/14] Apply drm_bridge_connector and panel_bridge helper for the Analogix DP driver Damon Ding
2025-07-24 8:02 ` [PATCH v3 01/14] drm/bridge: analogix_dp: Formalize the struct analogix_dp_device Damon Ding
2025-07-24 8:02 ` [PATCH v3 02/14] drm/bridge: analogix_dp: Move &drm_bridge_funcs.mode_set to &drm_bridge_funcs.atomic_enable Damon Ding
2025-07-24 8:02 ` [PATCH v3 03/14] drm/rockchip: analogix_dp: Apply drmm_encoder_init() instead of drm_simple_encoder_init() Damon Ding
2025-07-26 0:12 ` Dmitry Baryshkov
2025-07-29 3:22 ` Damon Ding
2025-07-24 8:02 ` [PATCH v3 04/14] drm/bridge: analogix_dp: Add &analogix_dp_plat_data.bridge Damon Ding
2025-07-26 0:15 ` Dmitry Baryshkov
2025-07-29 7:30 ` Maxime Ripard
2025-07-29 8:31 ` Damon Ding
2025-07-24 8:02 ` [PATCH v3 05/14] drm/exynos: exynos_dp: Remove &exynos_dp_device.ptn_bridge Damon Ding
2025-07-26 0:15 ` Dmitry Baryshkov
2025-07-24 8:02 ` [PATCH v3 06/14] drm/bridge: exynos_dp: Remove unused &exynos_dp_device.connector Damon Ding
2025-07-26 0:14 ` Dmitry Baryshkov
2025-07-24 8:02 ` [PATCH v3 07/14] drm/bridge: analogix_dp: Remove redundant &analogix_dp_plat_data.skip_connector Damon Ding
2025-07-26 0:14 ` Dmitry Baryshkov
2025-07-24 8:02 ` [PATCH v3 08/14] drm/bridge: analogix_dp: Apply drm_bridge_connector helper Damon Ding
2025-07-24 13:00 ` Heiko Stübner
2025-07-25 1:47 ` Damon Ding
2025-07-25 2:26 ` kernel test robot
2025-07-24 8:02 ` [PATCH v3 09/14] drm/bridge: analogix_dp: Add support to find panel or bridge Damon Ding
2025-07-26 12:03 ` Dmitry Baryshkov
2025-07-29 3:09 ` Damon Ding
2025-07-24 8:03 ` [PATCH v3 10/14] drm/rockchip: analogix_dp: Apply analogix_dp_find_panel_or_bridge() Damon Ding
2025-07-26 12:03 ` Dmitry Baryshkov
2025-07-24 8:03 ` [PATCH v3 11/14] drm/exynos: exynos_dp: " Damon Ding
2025-07-26 12:05 ` Dmitry Baryshkov
2025-07-24 8:03 ` [PATCH v3 12/14] drm/bridge: analogix_dp: Remove panel disabling and enabling in analogix_dp_set_bridge() Damon Ding
2025-07-24 8:03 ` [PATCH v3 13/14] drm/bridge: analogix_dp: Remove bridge disabing and panel unpreparing in analogix_dp_unbind() Damon Ding
2025-07-24 8:03 ` [PATCH v3 14/14] drm/bridge: analogix_dp: Apply panel_bridge helper Damon Ding
2025-07-24 13:08 ` Heiko Stübner
2025-07-25 1:57 ` Damon Ding
2025-07-24 13:10 ` [PATCH v3 00/14] Apply drm_bridge_connector and panel_bridge helper for the Analogix DP driver Heiko Stübner
2025-07-25 2:15 ` Damon Ding
2025-07-25 19:45 ` Heiko Stübner [this message]
2025-07-29 3:02 ` Damon Ding
2025-07-29 3:16 ` Damon Ding
2025-08-06 19:54 ` Heiko Stübner
2025-08-07 1:31 ` Damon Ding
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