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authorEeli Haapalainen <eeli.haapalainen@protonmail.com>2025-07-14 08:13:09 +0300
committerAlex Deucher <alexander.deucher@amd.com>2025-07-16 23:50:45 +0300
commit83261934015c434fabb980a3e613b01d9976e877 (patch)
tree7a3cb165ab6bbf31fbf91d971414645887559982 /scripts/gdb/linux/utils.py
parent86790e300d8b7bbadaad5024e308c52f1222128f (diff)
downloadlinux-83261934015c434fabb980a3e613b01d9976e877.tar.xz
drm/amdgpu/gfx8: reset compute ring wptr on the GPU on resume
Commit 42cdf6f687da ("drm/amdgpu/gfx8: always restore kcq MQDs") made the ring pointer always to be reset on resume from suspend. This caused compute rings to fail since the reset was done without also resetting it for the firmware. Reset wptr on the GPU to avoid a disconnect between the driver and firmware wptr. Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3911 Fixes: 42cdf6f687da ("drm/amdgpu/gfx8: always restore kcq MQDs") Signed-off-by: Eeli Haapalainen <eeli.haapalainen@protonmail.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> (cherry picked from commit 2becafc319db3d96205320f31cc0de4ee5a93747) Cc: stable@vger.kernel.org
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