https://bugzilla.kernel.org/show_bug.cgi?id=105871

Bug ID: 105871 Summary: UVD decoder fails after hibernate Product: Drivers Version: 2.5 Kernel Version: 4.1.8 Hardware: x86-64 OS: Linux Tree: Mainline Status: NEW Severity: normal Priority: P1 Component: Video(DRI - non Intel) Assignee: drivers_video-dri@kernel-bugs.osdl.org Reporter: jjorge@free.fr Regression: No

[AMD/ATI] RS780 [Radeon HD 3200] works nicely, even after suspend/resume.

But after a hibernate/resume, the UVD decoder fails, while OpenGL apps run ok. Full dmesg joined, here are the interesting lines :

[ 258.694723] ACPI: Waking up from system sleep state S4 [ 258.696487] PM: noirq restore of devices complete after 0.724 msecs [ 258.696783] PM: early restore of devices complete after 0.260 msecs [ 258.735733] rtc_cmos 00:01: System wakeup disabled by ACPI [ 258.744344] [drm] PCIE GART of 512M enabled (table at 0x00000000C0258000). [ 258.744394] radeon 0000:01:05.0: WB enabled [ 258.744397] radeon 0000:01:05.0: fence driver on ring 0 use gpu addr 0x00000000a0000c00 and cpu addr 0xffff88003758dc00 [ 258.750826] radeon 0000:01:05.0: fence driver on ring 5 use gpu addr 0x00000000c0056038 and cpu addr 0xffffc90000816038 [ 258.783182] [drm] ring test on 0 succeeded in 0 usecs [ 258.959618] [drm] ring test on 5 succeeded in 1 usecs [ 258.959622] [drm] UVD initialized successfully. [ 258.959645] [drm] ib test on ring 0 succeeded in 0 usecs [ 269.631608] radeon 0000:01:05.0: ring 5 stalled for more than 10020msec [ 269.631610] radeon 0000:01:05.0: GPU lockup (current fence id 0x0000000000000862 last fence id 0x0000000000000864 on ring 5) [ 269.631693] [drm:uvd_v1_0_ib_test [radeon]] *ERROR* radeon: fence wait failed (-35). [ 269.631719] [drm:radeon_ib_ring_tests [radeon]] *ERROR* radeon: failed testing IB on ring 5 (-35).