diff options
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c | 72 |
2 files changed, 72 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.h index 4eedd92f000b..06fe21e15ed6 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ucode.h @@ -25,6 +25,8 @@ #include "amdgpu_socbb.h" +#define RS64_FW_UC_START_ADDR_LO 0x3000 + struct common_firmware_header { uint32_t size_bytes; /* size of the entire header+image(s) in bytes */ uint32_t header_size_bytes; /* size of just the header in bytes */ diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c index cedfcd118430..42a08751af5a 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v11_0.c @@ -6608,6 +6608,69 @@ static void gfx_v11_0_emit_mem_sync(struct amdgpu_ring *ring) amdgpu_ring_write(ring, gcr_cntl); /* GCR_CNTL */ } +static bool gfx_v11_pipe_reset_support(struct amdgpu_device *adev) +{ + /* Disable the pipe reset until the CPFW fully support it.*/ + dev_warn_once(adev->dev, "The CPFW hasn't support pipe reset yet.\n"); + return false; +} + + +static int gfx_v11_reset_gfx_pipe(struct amdgpu_ring *ring) +{ + struct amdgpu_device *adev = ring->adev; + uint32_t reset_pipe = 0, clean_pipe = 0; + int r; + + if (!gfx_v11_pipe_reset_support(adev)) + return -EOPNOTSUPP; + + gfx_v11_0_set_safe_mode(adev, 0); + mutex_lock(&adev->srbm_mutex); + soc21_grbm_select(adev, ring->me, ring->pipe, ring->queue, 0); + + switch (ring->pipe) { + case 0: + reset_pipe = REG_SET_FIELD(reset_pipe, CP_ME_CNTL, + PFP_PIPE0_RESET, 1); + reset_pipe = REG_SET_FIELD(reset_pipe, CP_ME_CNTL, + ME_PIPE0_RESET, 1); + clean_pipe = REG_SET_FIELD(clean_pipe, CP_ME_CNTL, + PFP_PIPE0_RESET, 0); + clean_pipe = REG_SET_FIELD(clean_pipe, CP_ME_CNTL, + ME_PIPE0_RESET, 0); + break; + case 1: + reset_pipe = REG_SET_FIELD(reset_pipe, CP_ME_CNTL, + PFP_PIPE1_RESET, 1); + reset_pipe = REG_SET_FIELD(reset_pipe, CP_ME_CNTL, + ME_PIPE1_RESET, 1); + clean_pipe = REG_SET_FIELD(clean_pipe, CP_ME_CNTL, + PFP_PIPE1_RESET, 0); + clean_pipe = REG_SET_FIELD(clean_pipe, CP_ME_CNTL, + ME_PIPE1_RESET, 0); + break; + default: + break; + } + + WREG32_SOC15(GC, 0, regCP_ME_CNTL, reset_pipe); + WREG32_SOC15(GC, 0, regCP_ME_CNTL, clean_pipe); + + r = (RREG32(SOC15_REG_OFFSET(GC, 0, regCP_GFX_RS64_INSTR_PNTR1)) << 2) - + RS64_FW_UC_START_ADDR_LO; + soc21_grbm_select(adev, 0, 0, 0, 0); + mutex_unlock(&adev->srbm_mutex); + gfx_v11_0_unset_safe_mode(adev, 0); + + dev_info(adev->dev, "The ring %s pipe reset to the ME firmware start PC: %s\n", ring->name, + r == 0 ? "successfully" : "failed"); + /* FIXME: Sometimes driver can't cache the ME firmware start PC correctly, + * so the pipe reset status relies on the later gfx ring test result. + */ + return 0; +} + static int gfx_v11_0_reset_kgq(struct amdgpu_ring *ring, unsigned int vmid) { struct amdgpu_device *adev = ring->adev; @@ -6617,8 +6680,13 @@ static int gfx_v11_0_reset_kgq(struct amdgpu_ring *ring, unsigned int vmid) return -EINVAL; r = amdgpu_mes_reset_legacy_queue(ring->adev, ring, vmid, false); - if (r) - return r; + if (r) { + + dev_warn(adev->dev, "reset via MES failed and try pipe reset %d\n", r); + r = gfx_v11_reset_gfx_pipe(ring); + if (r) + return r; + } r = gfx_v11_0_kgq_init_queue(ring, true); if (r) { |