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| author | Prike Liang <Prike.Liang@amd.com> | 2022-12-01 06:17:31 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-12-02 18:04:58 +0300 |
| commit | b35a2a12901cd230309750777e3744fa0526543d (patch) | |
| tree | 4c8e441fe44efe5d6e99aaf7d6986e8f57c2a439 /Documentation/gpu/amdgpu | |
| parent | 3f4c175d62d89819121cbbd5a0a30f4b80862025 (diff) | |
| download | linux-b35a2a12901cd230309750777e3744fa0526543d.tar.xz | |
drm/amdgpu/sdma_v4_0: turn off SDMA ring buffer in the s2idle suspend
In the SDMA s0ix save process requires to turn off SDMA ring buffer for
avoiding the SDMA in-flight request, otherwise will suffer from SDMA page
fault which causes by page request from in-flight SDMA ring accessing at
SDMA restore phase.
Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2248
Cc: stable@vger.kernel.org # 6.0,5.15+
Fixes: f8f4e2a51834 ("drm/amdgpu: skipping SDMA hw_init and hw_fini for S0ix.")
Signed-off-by: Prike Liang <Prike.Liang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Tested-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'Documentation/gpu/amdgpu')
0 files changed, 0 insertions, 0 deletions