From 7760d7f93c764625fedca176891238675fd06d62 Mon Sep 17 00:00:00 2001 From: Michael Chen Date: Tue, 8 Oct 2024 15:29:50 -0400 Subject: [PATCH] drm/amdgpu/mes: fix issue of writing to the same log buffer from 2 MES pipes With Unified MES enabled in gfx12, need separate event log buffer for the 2 MES pipes to avoid data overwrite. Signed-off-by: Michael Chen Reviewed-by: Jack Xiao Signed-off-by: Alex Deucher (cherry picked from commit 144df260f3daab42c4611021f929b3342de516e5) Cc: stable@vger.kernel.org # 6.11.x --- drivers/gpu/drm/amd/amdgpu/mes_v12_0.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/mes_v12_0.c b/drivers/gpu/drm/amd/amdgpu/mes_v12_0.c index 8d27421689c9..a37a6801c9ea 100644 --- a/drivers/gpu/drm/amd/amdgpu/mes_v12_0.c +++ b/drivers/gpu/drm/amd/amdgpu/mes_v12_0.c @@ -621,7 +621,7 @@ static int mes_v12_0_set_hw_resources(struct amdgpu_mes *mes, int pipe) if (amdgpu_mes_log_enable) { mes_set_hw_res_pkt.enable_mes_event_int_logging = 1; - mes_set_hw_res_pkt.event_intr_history_gpu_mc_ptr = mes->event_log_gpu_addr; + mes_set_hw_res_pkt.event_intr_history_gpu_mc_ptr = mes->event_log_gpu_addr + pipe * AMDGPU_MES_LOG_BUFFER_SIZE; } return mes_v12_0_submit_pkt_and_poll_completion(mes, pipe, @@ -1336,7 +1336,7 @@ static int mes_v12_0_sw_init(void *handle) adev->mes.kiq_hw_fini = &mes_v12_0_kiq_hw_fini; adev->mes.enable_legacy_queue_map = true; - adev->mes.event_log_size = AMDGPU_MES_LOG_BUFFER_SIZE; + adev->mes.event_log_size = adev->enable_uni_mes ? (AMDGPU_MAX_MES_PIPES * AMDGPU_MES_LOG_BUFFER_SIZE) : AMDGPU_MES_LOG_BUFFER_SIZE; r = amdgpu_mes_init(adev); if (r)