diff options
| author | Tianci.Yin <tianci.yin@amd.com> | 2022-03-10 16:12:49 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2022-03-15 21:34:45 +0300 |
| commit | 72a98763b473890e6605604bfcaf71fc212b4720 (patch) | |
| tree | cb1de7e4fd0d17b56723b5541adee1dc8e1f97d9 | |
| parent | 85ac2021fe3ace59cc0afd6edf005abad35625b0 (diff) | |
| download | linux-72a98763b473890e6605604bfcaf71fc212b4720.tar.xz | |
drm/amd: fix gfx hang on renoir in IGT reload test
[why]
CP hangs in igt reloading test on renoir, more precisely, hangs on the
second time insmod.
[how]
mode2 reset can make it recover, and mode2 reset only effects gfx core,
dcn and the screen will not be impacted.
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Tianci.Yin <tianci.yin@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/soc15.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c index 496c4a6e23ac..3d0251ef8d79 100644 --- a/drivers/gpu/drm/amd/amdgpu/soc15.c +++ b/drivers/gpu/drm/amd/amdgpu/soc15.c @@ -853,6 +853,10 @@ static bool soc15_need_reset_on_init(struct amdgpu_device *adev) { u32 sol_reg; + /* CP hangs in IGT reloading test on RN, reset to WA */ + if (adev->asic_type == CHIP_RENOIR) + return true; + /* Just return false for soc15 GPUs. Reset does not seem to * be necessary. */ |