From 9a1662f549343d3ec882c5ffcfd232c6104d3c85 Mon Sep 17 00:00:00 2001 From: Graham Sider Date: Thu, 29 Sep 2022 11:57:34 -0400 Subject: [PATCH] drm/amdgpu: extend halt_if_hws_hang to MES Hang on MES timeout if halt_if_hws_hang is set to 1. Signed-off-by: Graham Sider Reviewed-by: Felix Kuehling Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu.h | 2 ++ drivers/gpu/drm/amd/amdgpu/mes_v10_1.c | 4 ++++ drivers/gpu/drm/amd/amdgpu/mes_v11_0.c | 4 ++++ 3 files changed, 10 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 0e6ddf0..9999c18 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -219,10 +219,12 @@ extern int amdgpu_use_xgmi_p2p; extern int sched_policy; extern bool debug_evictions; extern bool no_system_mem_limit; +extern int halt_if_hws_hang; #else static const int __maybe_unused sched_policy = KFD_SCHED_POLICY_HWS; static const bool __maybe_unused debug_evictions; /* = false */ static const bool __maybe_unused no_system_mem_limit; +static const int __maybe_unused halt_if_hws_hang; #endif #ifdef CONFIG_HSA_AMD_P2P extern bool pcie_p2p; diff --git a/drivers/gpu/drm/amd/amdgpu/mes_v10_1.c b/drivers/gpu/drm/amd/amdgpu/mes_v10_1.c index 1abdf8b..6143941 100644 --- a/drivers/gpu/drm/amd/amdgpu/mes_v10_1.c +++ b/drivers/gpu/drm/amd/amdgpu/mes_v10_1.c @@ -121,6 +121,10 @@ static int mes_v10_1_submit_pkt_and_poll_completion(struct amdgpu_mes *mes, if (r < 1) { DRM_ERROR("MES failed to response msg=%d\n", x_pkt->header.opcode); + + while (halt_if_hws_hang) + schedule(); + return -ETIMEDOUT; } diff --git a/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c b/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c index 8ca3417..1395453 100644 --- a/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c @@ -129,6 +129,10 @@ static int mes_v11_0_submit_pkt_and_poll_completion(struct amdgpu_mes *mes, if (r < 1) { DRM_ERROR("MES failed to response msg=%d\n", x_pkt->header.opcode); + + while (halt_if_hws_hang) + schedule(); + return -ETIMEDOUT; } -- 2.7.4