diff mbox series

[v2,1/6] drm/i915/guc: drop negative doorbell alloc selftest

Message ID 20181018004610.22895-1-daniele.ceraolospurio@intel.com (mailing list archive)
State New, archived
Headers show
Series [v2,1/6] drm/i915/guc: drop negative doorbell alloc selftest | expand

Commit Message

Daniele Ceraolo Spurio Oct. 18, 2018, 12:46 a.m. UTC
The test requires driver tweaks to avoid causing error messages
on intentionally-triggered errors and to stop accessing non
existing register. However, this is a pure GuC FW interface test
and should be covered by FW validation, so it isn't really worth
tweaking the driver for it and we're better off dropping it instead.

Testing the driver running out of doorbells is already covered by
igt_guc_doorbells

Suggested-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
---
 drivers/gpu/drm/i915/selftests/intel_guc.c | 42 ----------------------
 1 file changed, 42 deletions(-)

Comments

Michal Wajdeczko Oct. 18, 2018, 12:21 p.m. UTC | #1
On Thu, 18 Oct 2018 02:46:05 +0200, Daniele Ceraolo Spurio  
<daniele.ceraolospurio@intel.com> wrote:

> The test requires driver tweaks to avoid causing error messages
> on intentionally-triggered errors and to stop accessing non
> existing register. However, this is a pure GuC FW interface test
> and should be covered by FW validation, so it isn't really worth
> tweaking the driver for it and we're better off dropping it instead.
>
> Testing the driver running out of doorbells is already covered by
> igt_guc_doorbells
>
> Suggested-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
> Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
> Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
> ---
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>

Thanks,
Michal
Chris Wilson Oct. 18, 2018, 12:43 p.m. UTC | #2
Quoting Michal Wajdeczko (2018-10-18 13:21:33)
> On Thu, 18 Oct 2018 02:46:05 +0200, Daniele Ceraolo Spurio  
> <daniele.ceraolospurio@intel.com> wrote:
> 
> > The test requires driver tweaks to avoid causing error messages
> > on intentionally-triggered errors and to stop accessing non
> > existing register. However, this is a pure GuC FW interface test
> > and should be covered by FW validation, so it isn't really worth
> > tweaking the driver for it and we're better off dropping it instead.
> >
> > Testing the driver running out of doorbells is already covered by
> > igt_guc_doorbells
> >
> > Suggested-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
> > Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
> > Signed-off-by: Daniele Ceraolo Spurio <daniele.ceraolospurio@intel.com>
> > ---
> Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>

And dropped from testing, thanks.
-Chris
diff mbox series

Patch

diff --git a/drivers/gpu/drm/i915/selftests/intel_guc.c b/drivers/gpu/drm/i915/selftests/intel_guc.c
index bf27162fb327..464f7d5defad 100644
--- a/drivers/gpu/drm/i915/selftests/intel_guc.c
+++ b/drivers/gpu/drm/i915/selftests/intel_guc.c
@@ -217,48 +217,6 @@  static int igt_guc_clients(void *args)
 	if (err)
 		goto out;
 
-	/*
-	 * Negative test - a client with no doorbell (invalid db id).
-	 * After destroying the doorbell, the db id is changed to
-	 * GUC_DOORBELL_INVALID and the firmware will reject any attempt to
-	 * allocate a doorbell with an invalid id (db has to be reserved before
-	 * allocation).
-	 */
-	destroy_doorbell(guc->execbuf_client);
-	if (client_doorbell_in_sync(guc->execbuf_client)) {
-		pr_err("destroy db did not work\n");
-		err = -EINVAL;
-		goto out;
-	}
-
-	unreserve_doorbell(guc->execbuf_client);
-
-	__create_doorbell(guc->execbuf_client);
-	err = __guc_allocate_doorbell(guc, guc->execbuf_client->stage_id);
-	if (err != -EIO) {
-		pr_err("unexpected (err = %d)", err);
-		goto out_db;
-	}
-
-	if (!available_dbs(guc, guc->execbuf_client->priority)) {
-		pr_err("doorbell not available when it should\n");
-		err = -EIO;
-		goto out_db;
-	}
-
-out_db:
-	/* clean after test */
-	__destroy_doorbell(guc->execbuf_client);
-	err = reserve_doorbell(guc->execbuf_client);
-	if (err) {
-		pr_err("failed to reserve back the doorbell back\n");
-	}
-	err = create_doorbell(guc->execbuf_client);
-	if (err) {
-		pr_err("recreate doorbell failed\n");
-		goto out;
-	}
-
 out:
 	/*
 	 * Leave clean state for other test, plus the driver always destroy the