diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c | 133 |
1 files changed, 114 insertions, 19 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c index 2067f26d3a9d..408e5600bb61 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_4_3.c @@ -3052,6 +3052,9 @@ static void gfx_v9_4_3_ring_soft_recovery(struct amdgpu_ring *ring, struct amdgpu_device *adev = ring->adev; uint32_t value = 0; + if (!adev->debug_exp_resets) + return; + value = REG_SET_FIELD(value, SQ_CMD, CMD, 0x03); value = REG_SET_FIELD(value, SQ_CMD, MODE, 0x01); value = REG_SET_FIELD(value, SQ_CMD, CHECK_VMID, 1); @@ -3466,6 +3469,98 @@ static void gfx_v9_4_3_emit_wave_limit(struct amdgpu_ring *ring, bool enable) } } +static int gfx_v9_4_3_unmap_done(struct amdgpu_device *adev, uint32_t me, + uint32_t pipe, uint32_t queue, + uint32_t xcc_id) +{ + int i, r; + /* make sure dequeue is complete*/ + gfx_v9_4_3_xcc_set_safe_mode(adev, xcc_id); + mutex_lock(&adev->srbm_mutex); + soc15_grbm_select(adev, me, pipe, queue, 0, GET_INST(GC, xcc_id)); + for (i = 0; i < adev->usec_timeout; i++) { + if (!(RREG32_SOC15(GC, GET_INST(GC, xcc_id), regCP_HQD_ACTIVE) & 1)) + break; + udelay(1); + } + if (i >= adev->usec_timeout) + r = -ETIMEDOUT; + else + r = 0; + soc15_grbm_select(adev, 0, 0, 0, 0, GET_INST(GC, xcc_id)); + mutex_unlock(&adev->srbm_mutex); + gfx_v9_4_3_xcc_unset_safe_mode(adev, xcc_id); + + return r; + +} + +static bool gfx_v9_4_3_pipe_reset_support(struct amdgpu_device *adev) +{ + /*TODO: Need check gfx9.4.4 mec fw whether supports pipe reset as well.*/ + if (amdgpu_ip_version(adev, GC_HWIP, 0) == IP_VERSION(9, 4, 3) && + adev->gfx.mec_fw_version >= 0x0000009b) + return true; + else + dev_warn_once(adev->dev, "Please use the latest MEC version to see whether support pipe reset\n"); + + return false; +} + +static int gfx_v9_4_3_reset_hw_pipe(struct amdgpu_ring *ring) +{ + struct amdgpu_device *adev = ring->adev; + uint32_t reset_pipe, clean_pipe; + int r; + + if (!gfx_v9_4_3_pipe_reset_support(adev)) + return -EINVAL; + + gfx_v9_4_3_xcc_set_safe_mode(adev, ring->xcc_id); + mutex_lock(&adev->srbm_mutex); + + reset_pipe = RREG32_SOC15(GC, GET_INST(GC, ring->xcc_id), regCP_MEC_CNTL); + clean_pipe = reset_pipe; + + if (ring->me == 1) { + switch (ring->pipe) { + case 0: + reset_pipe = REG_SET_FIELD(reset_pipe, CP_MEC_CNTL, + MEC_ME1_PIPE0_RESET, 1); + break; + case 1: + reset_pipe = REG_SET_FIELD(reset_pipe, CP_MEC_CNTL, + MEC_ME1_PIPE1_RESET, 1); + break; + case 2: + reset_pipe = REG_SET_FIELD(reset_pipe, CP_MEC_CNTL, + MEC_ME1_PIPE2_RESET, 1); + break; + case 3: + reset_pipe = REG_SET_FIELD(reset_pipe, CP_MEC_CNTL, + MEC_ME1_PIPE3_RESET, 1); + break; + default: + break; + } + } else { + if (ring->pipe) + reset_pipe = REG_SET_FIELD(reset_pipe, CP_MEC_CNTL, + MEC_ME2_PIPE1_RESET, 1); + else + reset_pipe = REG_SET_FIELD(reset_pipe, CP_MEC_CNTL, + MEC_ME2_PIPE0_RESET, 1); + } + + WREG32_SOC15(GC, GET_INST(GC, ring->xcc_id), regCP_MEC_CNTL, reset_pipe); + WREG32_SOC15(GC, GET_INST(GC, ring->xcc_id), regCP_MEC_CNTL, clean_pipe); + mutex_unlock(&adev->srbm_mutex); + gfx_v9_4_3_xcc_unset_safe_mode(adev, ring->xcc_id); + + r = gfx_v9_4_3_unmap_done(adev, ring->me, ring->pipe, ring->queue, ring->xcc_id); + return r; +} + static int gfx_v9_4_3_reset_kcq(struct amdgpu_ring *ring, unsigned int vmid) { @@ -3473,7 +3568,10 @@ static int gfx_v9_4_3_reset_kcq(struct amdgpu_ring *ring, struct amdgpu_kiq *kiq = &adev->gfx.kiq[ring->xcc_id]; struct amdgpu_ring *kiq_ring = &kiq->ring; unsigned long flags; - int r, i; + int r; + + if (!adev->debug_exp_resets) + return -EINVAL; if (amdgpu_sriov_vf(adev)) return -EINVAL; @@ -3495,26 +3593,23 @@ static int gfx_v9_4_3_reset_kcq(struct amdgpu_ring *ring, spin_unlock_irqrestore(&kiq->ring_lock, flags); r = amdgpu_ring_test_ring(kiq_ring); + if (r) { + dev_err(adev->dev, "kiq ring test failed after ring: %s queue reset\n", + ring->name); + goto pipe_reset; + } + + r = gfx_v9_4_3_unmap_done(adev, ring->me, ring->pipe, ring->queue, ring->xcc_id); if (r) - return r; + dev_err(adev->dev, "fail to wait on hqd deactive and will try pipe reset\n"); - /* make sure dequeue is complete*/ - amdgpu_gfx_rlc_enter_safe_mode(adev, ring->xcc_id); - mutex_lock(&adev->srbm_mutex); - soc15_grbm_select(adev, ring->me, ring->pipe, ring->queue, 0, GET_INST(GC, ring->xcc_id)); - for (i = 0; i < adev->usec_timeout; i++) { - if (!(RREG32_SOC15(GC, 0, regCP_HQD_ACTIVE) & 1)) - break; - udelay(1); - } - if (i >= adev->usec_timeout) - r = -ETIMEDOUT; - soc15_grbm_select(adev, 0, 0, 0, 0, GET_INST(GC, ring->xcc_id)); - mutex_unlock(&adev->srbm_mutex); - amdgpu_gfx_rlc_exit_safe_mode(adev, ring->xcc_id); - if (r) { - dev_err(adev->dev, "fail to wait on hqd deactive\n"); - return r; +pipe_reset: + if(r) { + r = gfx_v9_4_3_reset_hw_pipe(ring); + dev_info(adev->dev, "ring: %s pipe reset :%s\n", ring->name, + r ? "failed" : "successfully"); + if (r) + return r; } r = amdgpu_bo_reserve(ring->mqd_obj, false); |