From 36810fdb69ba35d8d8d7407b79c522218e8a0dd5 Mon Sep 17 00:00:00 2001 From: xinhui pan Date: Wed, 8 May 2019 22:32:34 +0800 Subject: [PATCH] drm/amdgpu: gmc support ras gpu reset request a gpu reset if ras return EAGAIN. we will run late init again so it is ok to do nothing this time. Signed-off-by: xinhui pan Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c index 3fd79e07944d..19f7cc1d51c3 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -696,8 +696,14 @@ static int gmc_v9_0_ecc_late_init(void *handle) **ras_if = ras_block; r = amdgpu_ras_feature_enable_on_boot(adev, *ras_if, 1); - if (r) + if (r) { + if (r == -EAGAIN) { + amdgpu_ras_request_reset_on_boot(adev, + AMDGPU_RAS_BLOCK__UMC); + r = 0; + } goto feature; + } ih_info.head = **ras_if; fs_info.head = **ras_if; @@ -730,7 +736,7 @@ interrupt: feature: kfree(*ras_if); *ras_if = NULL; - return -EINVAL; + return r; } -- 2.20.1