https://bugzilla.kernel.org/show_bug.cgi?id=208587

Bug ID: 208587 Summary: amdgpu hang and gnome shell crash if playing video on 5600M with DRI_PRIME Product: Drivers Version: 2.5 Kernel Version: 5.8.0-rc5 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: dani@rodler-keller.de Regression: No

Created attachment 290321 --> https://bugzilla.kernel.org/attachment.cgi?id=290321&action=edit dmesg

On my Dell Inc. G5 5505 the Gnome Shell Wayland session crashes when I try to watch a video with "DRI_PRIME=1 firefox" on the AMD 5600M I get the following kernel error messages

[Do Jul 16 20:16:03 2020] [drm:mod_hdcp_add_display_to_topology [amdgpu]] *ERROR* Failed to add display topology, DTM TA is not initialized. [Do Jul 16 20:16:03 2020] [drm] [Link 0] WARNING MOD_HDCP_STATUS_FAILURE IN STATE HDCP_UNINITIALIZED STAY COUNT 0 [Do Jul 16 20:16:03 2020] ------------[ cut here ]------------ [Do Jul 16 20:16:03 2020] WARNING: CPU: 7 PID: 181 at drivers/gpu/drm/amd/amdgpu/../display/dc/dcn20/dcn20_resource.c:3194 dcn20_validate_bandwidth_fp+0x7a/0xb0 [amdgpu]

CPU Brand: AMD Ryzen 7 4800H with Radeon Graphics

Operating System Version: "Arch Linux" (64 bit) Kernel Name: Linux Kernel Version: 5.8.0-rc5-1-mainline Window Manager: GNOME Shell (Wayland) Firefox 78

DRI_PRIME=1 glxinfo

Device: AMD Radeon RX 5600M (NAVI10, DRM 3.38.0, 5.8.0-rc5-1-mainline, LLVM 10.0.0) (0x731f) Version: 20.1.3

DRI_PRIME=0 glxinfo

Device: AMD RENOIR (DRM 3.38.0, 5.8.0-rc5-1-mainline, LLVM 10.0.0) (0x1636) Version: 20.1.3