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authorVictor Zhao <Victor.Zhao@amd.com>2022-07-28 05:39:23 +0300
committerAlex Deucher <alexander.deucher@amd.com>2022-08-17 01:14:31 +0300
commitdac6b80818ac2353631c5a33d140d8d5508e2957 (patch)
tree1a15cd80da56612915a2a72eb2e572643a9968b5 /drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c
parent672c0218e3e22ccaeb2911da8d3b784d3b6cc1d8 (diff)
downloadlinux-dac6b80818ac2353631c5a33d140d8d5508e2957.tar.xz
drm/amdgpu: let mode2 reset fallback to default when failure
- introduce AMDGPU_SKIP_MODE2_RESET flag - let mode2 reset fallback to default reset method if failed v2: move this part out from the asic specific part Signed-off-by: Victor Zhao <Victor.Zhao@amd.com> Acked-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c
index f778466bb9db..831fb222139c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c
@@ -74,6 +74,9 @@ int amdgpu_reset_prepare_hwcontext(struct amdgpu_device *adev,
{
struct amdgpu_reset_handler *reset_handler = NULL;
+ if (test_bit(AMDGPU_SKIP_MODE2_RESET, &reset_context->flags))
+ return -ENOSYS;
+
if (adev->reset_cntl && adev->reset_cntl->get_reset_handler)
reset_handler = adev->reset_cntl->get_reset_handler(
adev->reset_cntl, reset_context);
@@ -90,6 +93,9 @@ int amdgpu_reset_perform_reset(struct amdgpu_device *adev,
int ret;
struct amdgpu_reset_handler *reset_handler = NULL;
+ if (test_bit(AMDGPU_SKIP_MODE2_RESET, &reset_context->flags))
+ return -ENOSYS;
+
if (adev->reset_cntl)
reset_handler = adev->reset_cntl->get_reset_handler(
adev->reset_cntl, reset_context);