Re: [Intel-gfx] [PATCH] drm/i915/gt: Reduce log severity on reset prepare.

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Hi Tvrtko,

On 12/5/2023 9:34 AM, Tvrtko Ursulin wrote:

On 01/12/2023 15:44, Nirmoy Das wrote:
gen8_engine_reset_prepare() can fail when HW fails to set
RESET_CTL_READY_TO_RESET bit. In some cases this is not fatal
error as driver will retry.

Let the caller of gen8_engine_reset_prepare() decide if a
failure in gen8_engine_reset_prepare is an error or not.

No complaints per se but I don't see the caller deciding and it is not really reducing log level but converting to trace. So commit message and patch do not align for me which I think should be improved.


I meant the return value is checked by the caller, gen8_reset_engines(). I will resend with a improved commit message.

Thanks,

Nirmoy


Regards,

Tvrtko

Cc: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
Cc: John Harrison <John.C.Harrison@xxxxxxxxx>
Cc: Andi Shyti <andi.shyti@xxxxxxxxxxxxxxx>
Cc: Andrzej Hajda <andrzej.hajda@xxxxxxxxx>
Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/5591
Signed-off-by: Nirmoy Das <nirmoy.das@xxxxxxxxx>
---
  drivers/gpu/drm/i915/gt/intel_reset.c | 8 ++++----
  1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/i915/gt/intel_reset.c b/drivers/gpu/drm/i915/gt/intel_reset.c
index d5ed904f355d..e6fbc6202c80 100644
--- a/drivers/gpu/drm/i915/gt/intel_reset.c
+++ b/drivers/gpu/drm/i915/gt/intel_reset.c
@@ -593,10 +593,10 @@ static int gen8_engine_reset_prepare(struct intel_engine_cs *engine)
      ret = __intel_wait_for_register_fw(uncore, reg, mask, ack,
                         700, 0, NULL);
      if (ret)
-        gt_err(engine->gt,
-               "%s reset request timed out: {request: %08x, RESET_CTL: %08x}\n",
-               engine->name, request,
-               intel_uncore_read_fw(uncore, reg));
+        GT_TRACE(engine->gt,
+             "%s reset request timed out: {request: %08x, RESET_CTL: %08x}\n",
+             engine->name, request,
+             intel_uncore_read_fw(uncore, reg));
        return ret;
  }



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