diff options
| author | Jesse.zhang@amd.com <Jesse.zhang@amd.com> | 2024-12-09 17:23:19 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-12-11 17:32:06 -0500 |
| commit | 0f8666138f4f9313b2594b0cef4238ca7bb01b88 (patch) | |
| tree | c2ee09f2f8b38f8b0ed08042a4d293546b284a16 /drivers/gpu/drm/amd/amdgpu | |
| parent | drm/amdgpu: Avoid VF for RAS recovery source check (diff) | |
| download | linux-0f8666138f4f9313b2594b0cef4238ca7bb01b88.tar.gz linux-0f8666138f4f9313b2594b0cef4238ca7bb01b88.zip | |
drm/amdgpu/mes12: Implement reset sdmav7 queue function by mmio
Reset sdma queue through mmio based on me_id and queue_id.
Signed-off-by: Jesse Zhang <jesse.zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/mes_v12_0.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/mes_v12_0.c b/drivers/gpu/drm/amd/amdgpu/mes_v12_0.c index 7bf57a679aa4..f8bee49260bf 100644 --- a/drivers/gpu/drm/amd/amdgpu/mes_v12_0.c +++ b/drivers/gpu/drm/amd/amdgpu/mes_v12_0.c @@ -350,6 +350,47 @@ static int mes_v12_0_remove_hw_queue(struct amdgpu_mes *mes, offsetof(union MESAPI__REMOVE_QUEUE, api_status)); } +static int mes_v12_0_reset_queue_mmio(struct amdgpu_mes *mes, uint32_t queue_type, + uint32_t me_id, uint32_t pipe_id, + uint32_t queue_id, uint32_t vmid) +{ + struct amdgpu_device *adev = mes->adev; + uint32_t value, reg; + int i, r = 0; + + amdgpu_gfx_rlc_enter_safe_mode(adev, 0); + + if (queue_type == AMDGPU_RING_TYPE_SDMA) { + dev_info(adev->dev, "reset sdma queue (%d:%d:%d)\n", + me_id, pipe_id, queue_id); + switch (me_id) { + case 1: + reg = SOC15_REG_OFFSET(GC, 0, regSDMA1_QUEUE_RESET_REQ); + break; + case 0: + default: + reg = SOC15_REG_OFFSET(GC, 0, regSDMA0_QUEUE_RESET_REQ); + break; + } + + value = 1 << queue_id; + WREG32(reg, value); + /* wait for queue reset done */ + for (i = 0; i < adev->usec_timeout; i++) { + if (!(RREG32(reg) & value)) + break; + udelay(1); + } + if (i >= adev->usec_timeout) { + dev_err(adev->dev, "failed to wait on sdma queue reset done\n"); + r = -ETIMEDOUT; + } + } + + amdgpu_gfx_rlc_exit_safe_mode(adev, 0); + return r; +} + static int mes_v12_0_reset_hw_queue(struct amdgpu_mes *mes, struct mes_reset_queue_input *input) { @@ -721,6 +762,11 @@ static int mes_v12_0_reset_legacy_queue(struct amdgpu_mes *mes, union MESAPI__RESET mes_reset_queue_pkt; int pipe; + if (input->use_mmio) + return mes_v12_0_reset_queue_mmio(mes, input->queue_type, + input->me_id, input->pipe_id, + input->queue_id, input->vmid); + memset(&mes_reset_queue_pkt, 0, sizeof(mes_reset_queue_pkt)); mes_reset_queue_pkt.header.type = MES_API_TYPE_SCHEDULER; |