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| author | Karol Wachowski <karol.wachowski@linux.intel.com> | 2023-10-28 17:59:33 +0200 |
|---|---|---|
| committer | Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com> | 2023-10-31 16:45:07 +0100 |
| commit | e013aa9ab01b400cccc6c3e8b969b8e7f10bc6cb (patch) | |
| tree | db120d6d0502dd254197b48962b605d098cebd97 /drivers/accel | |
| parent | ba6b035daac8c4fa5da1f14f262d97e0ffa45a6d (diff) | |
| download | linux-e013aa9ab01b400cccc6c3e8b969b8e7f10bc6cb.tar.gz | |
accel/ivpu: Print CMDQ errors after consumer timeout
Add checking of error reason bits in IVPU_MMU_CMDQ_CONS
register when waiting for consumer timeout occurred.
Signed-off-by: Karol Wachowski <karol.wachowski@linux.intel.com>
Reviewed-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231028155936.1183342-6-stanislaw.gruszka@linux.intel.com
Diffstat (limited to 'drivers/accel')
| -rw-r--r-- | drivers/accel/ivpu/ivpu_mmu.c | 34 |
1 files changed, 31 insertions, 3 deletions
diff --git a/drivers/accel/ivpu/ivpu_mmu.c b/drivers/accel/ivpu/ivpu_mmu.c index 2538c78fbebe28..b15cf9cc9c4332 100644 --- a/drivers/accel/ivpu/ivpu_mmu.c +++ b/drivers/accel/ivpu/ivpu_mmu.c @@ -230,7 +230,12 @@ (REG_FLD(IVPU_MMU_REG_GERROR, MSI_PRIQ_ABT)) | \ (REG_FLD(IVPU_MMU_REG_GERROR, MSI_ABT))) -static char *ivpu_mmu_event_to_str(u32 cmd) +#define IVPU_MMU_CERROR_NONE 0x0 +#define IVPU_MMU_CERROR_ILL 0x1 +#define IVPU_MMU_CERROR_ABT 0x2 +#define IVPU_MMU_CERROR_ATC_INV_SYNC 0x3 + +static const char *ivpu_mmu_event_to_str(u32 cmd) { switch (cmd) { case IVPU_MMU_EVT_F_UUT: @@ -276,6 +281,22 @@ static char *ivpu_mmu_event_to_str(u32 cmd) } } +static const char *ivpu_mmu_cmdq_err_to_str(u32 err) +{ + switch (err) { + case IVPU_MMU_CERROR_NONE: + return "No CMDQ Error"; + case IVPU_MMU_CERROR_ILL: + return "Illegal command"; + case IVPU_MMU_CERROR_ABT: + return "External abort on CMDQ read"; + case IVPU_MMU_CERROR_ATC_INV_SYNC: + return "Sync failed to complete ATS invalidation"; + default: + return "Unknown CMDQ Error"; + } +} + static void ivpu_mmu_config_check(struct ivpu_device *vdev) { u32 val_ref; @@ -492,8 +513,15 @@ static int ivpu_mmu_cmdq_sync(struct ivpu_device *vdev) REGV_WR32(IVPU_MMU_REG_CMDQ_PROD, q->prod); ret = ivpu_mmu_cmdq_wait_for_cons(vdev); - if (ret) - ivpu_err(vdev, "Timed out waiting for consumer: %d\n", ret); + if (ret) { + u32 err; + + val = REGV_RD32(IVPU_MMU_REG_CMDQ_CONS); + err = REG_GET_FLD(IVPU_MMU_REG_CMDQ_CONS, ERR, val); + + ivpu_err(vdev, "Timed out waiting for MMU consumer: %d, error: %s\n", ret, + ivpu_mmu_cmdq_err_to_str(err)); + } return ret; } |