diff options
| author | Jiadong Zhu <Jiadong.Zhu@amd.com> | 2024-09-09 14:19:53 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-09-26 17:06:16 -0400 |
| commit | ced65debf4d8d17cba2a631392f29a0b3b006303 (patch) | |
| tree | d345827310bbf69a881a02f5d49afe00ef0d9b54 /drivers/gpu/drm/amd/amdgpu/mes_v11_0.c | |
| parent | d7d2688bf4ea58734d73e18edcbf4684b1496d30 (diff) | |
drm/amdgpu/mes11: update mes_reset_queue function to support sdma queue
Reset sdma queue through mmio based on me_id and queue_id.
v2: simplify callflows and register calculation.
Signed-off-by: Jiadong Zhu <Jiadong.Zhu@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/mes_v11_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/mes_v11_0.c | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c b/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c index 231a3d490ea8..e2b3f859a1c0 100644 --- a/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/mes_v11_0.c @@ -366,7 +366,7 @@ static int mes_v11_0_reset_queue_mmio(struct amdgpu_mes *mes, uint32_t queue_typ uint32_t queue_id, uint32_t vmid) { struct amdgpu_device *adev = mes->adev; - uint32_t value; + uint32_t value, reg; int i, r = 0; amdgpu_gfx_rlc_enter_safe_mode(adev, 0); @@ -424,6 +424,31 @@ static int mes_v11_0_reset_queue_mmio(struct amdgpu_mes *mes, uint32_t queue_typ } soc21_grbm_select(adev, 0, 0, 0, 0); mutex_unlock(&adev->srbm_mutex); + } else 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); |