https://bugs.freedesktop.org/show_bug.cgi?id=106466
Bug ID: 106466
Summary: GPU recovery fails on Vega 64
Product: DRI
Version: unspecified
Hardware: Other
OS: All
Status: NEW
Severity: normal
Priority: medium
Component: DRM/AMDgpu
Assignee: dri-devel@lists.freedesktop.org
Reporter: b...@basnieuwenhuizen.nl
Created attachment 139474
--> https://bugs.freedesktop.org/attachment.cgi?id=139474&action=edit
dmesg
Reproduce:
1) boot
2) Start X
3) Stop X
4) cat /sys/kernel/debug/dri/2/amdgpu_gpu_recovery
5) Wait till finished
6) Start X
7) Notice slowness
8) Stop X
The dmesg says that the reset failed, but the screen comes back with some
artifacts. drawing in X is very slow event though pp_dpm_sclk seems to be
indicating reasonable speeds.
I use amd-staging-drm-next as of today with as last commit
commit 905aa01b240f9216b6dbba3226bf10b2d96eebb7 (origin/amd-staging-drm-next)
Author: Colin Ian King <colin.k...@canonical.com>
Date: Wed May 2 15:43:16 2018 +0100
drm/amd/display: clean up assignment of amdgpu_crtc
The declaration of pointer amdgpu_crtc has a redundant assignment to
amdgpu_crtc. Clean this up by removing it.
Detected by CoverityScan, CID#1460299 ("Evaluation order violation")
Reviewed-by: Harry Wentland <harry.wentl...@amd.com>
Signed-off-by: Colin Ian King <colin.k...@canonical.com>
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
plus a patch of my own adding some more dev_info messages to the reset process.
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