Hi All,
I tested the latest Git kernel version [1] on my Varisys Nemo board with
a 64-bit dual-core PWRficient PA6T-1682M PowerPC CPU (A-EON AmigaOne
X1000) [2] today. Unfortunately hardware 3D acceleration doesn't work
anymore. It works without any problems with the kernel 4.14.0 [3].
Error messages:
dmesg | grep -i radeon
[ 0.720715] [drm] radeon kernel modesetting enabled.
[ 0.720832] radeon 0000:01:00.0: runtime IRQ mapping not provided by arch
[ 0.894456] radeon 0000:01:00.0: VRAM: 1024M 0x0000000000000000 -
0x000000003FFFFFFF (1024M used)
[ 0.894468] radeon 0000:01:00.0: GTT: 1024M 0x0000000040000000 -
0x000000007FFFFFFF
[ 0.894617] [drm] radeon: 1024M of VRAM memory ready
[ 0.894624] [drm] radeon: 1024M of GTT memory ready.
[ 0.899823] [drm] radeon: dpm initialized
[ 0.933524] radeon 0000:01:00.0: (-12) create WB bo failed
[ 0.933532] radeon 0000:01:00.0: disabling GPU acceleration
[ 0.938686] [drm] Radeon Display Connectors
[ 1.447790] radeon 0000:01:00.0: fb0: radeondrmfb frame buffer device
[ 1.448338] [drm] Initialized radeon 2.50.0 20080528 for 0000:01:00.0
on minor 0
[ 39.299034] radeon_dp_aux_transfer_native: 158 callbacks suppressed
[ 70.924054] radeon_dp_aux_transfer_native: 158 callbacks suppressed
[ 683.732444] radeon_dp_aux_transfer_native: 410 callbacks suppressed
[ 1049.062659] radeon_dp_aux_transfer_native: 74 callbacks suppressed
Problem:
[ 0.933524] radeon 0000:01:00.0: (-12) create WB bo failed
[ 0.933532] radeon 0000:01:00.0: disabling GPU acceleration
I was able to revert the first DRM updates [4]. This solved the problem
with the hardware 3D acceleration on my Varisys Nemo board. That means
the bug is somewhere in the first DRM updates [4].
Please find attached the DRM revert log.
Cheers,
Christian
[1] http://www.xenosoft.de/vmlinux-4.15-alpha3-AmigaOne_X1000_X5000.tar.gz
[2] https://en.wikipedia.org/wiki/AmigaOne_X1000
[3] http://www.xenosoft.de/vmlinux-4.14-AmigaOne_X1000_X5000.tar.gz
[4]
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e60e1ee60630cafef5e430c2ae364877e061d980
git revert e60e1ee60630cafef5e430c2ae364877e061d980 -m 1
Output:
[master c0fd66d] Revert "Merge tag 'drm-for-v4.15' of git://people.freedesktop.org/~airlied/linux"
Committer: christian <christian@xxxxxxxxxxxxxxxxx>
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1039 files changed, 49563 insertions(+), 69996 deletions(-)
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copy drivers/gpu/drm/amd/powerplay/smumgr/{iceland_smumgr.c => iceland_smc.c} (90%)
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rewrite drivers/gpu/drm/amd/powerplay/smumgr/iceland_smumgr.c (94%)
copy drivers/gpu/drm/amd/powerplay/smumgr/{polaris10_smumgr.c => polaris10_smc.c} (82%)
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copy drivers/gpu/drm/amd/powerplay/smumgr/{tonga_smumgr.c => tonga_smc.c} (92%)
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delete mode 100644 drivers/gpu/drm/pl111/pl111_versatile.h
create mode 100644 drivers/gpu/drm/radeon/radeon_kfd.c
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delete mode 100644 drivers/gpu/drm/rockchip/rockchip_lvds.h
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