From e602157ec089240861cd641ee2c7c64eeaec09bf Mon Sep 17 00:00:00 2001 From: Jack Xiao Date: Wed, 17 May 2023 17:07:01 +0800 Subject: drm/amdgpu: fix S3 issue if MQD in VRAM 1. Need flush HDP for MQD putting in vram 2. Zero out mes MQD Signed-off-by: Jack Xiao Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/mes_v10_1.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers/gpu/drm/amd/amdgpu/mes_v10_1.c') diff --git a/drivers/gpu/drm/amd/amdgpu/mes_v10_1.c b/drivers/gpu/drm/amd/amdgpu/mes_v10_1.c index f1a6abdad21b..88262f10ef7c 100644 --- a/drivers/gpu/drm/amd/amdgpu/mes_v10_1.c +++ b/drivers/gpu/drm/amd/amdgpu/mes_v10_1.c @@ -632,6 +632,8 @@ static int mes_v10_1_mqd_init(struct amdgpu_ring *ring) uint64_t hqd_gpu_addr, wb_gpu_addr, eop_base_addr; uint32_t tmp; + memset(mqd, 0, sizeof(*mqd)); + mqd->header = 0xC0310800; mqd->compute_pipelinestat_enable = 0x00000001; mqd->compute_static_thread_mgmt_se0 = 0xffffffff; @@ -728,6 +730,7 @@ static int mes_v10_1_mqd_init(struct amdgpu_ring *ring) /* offset: 184 - this is used for CP_HQD_GFX_CONTROL */ mqd->cp_hqd_suspend_cntl_stack_offset = tmp; + amdgpu_device_flush_hdp(ring->adev, NULL); return 0; } -- cgit v1.2.3