All of lore.kernel.org
 help / color / mirror / Atom feed
From: Chris Wilson <chris@chris-wilson.co.uk>
To: Yan Zhao <yan.y.zhao@intel.com>,
	intel-gfx@lists.freedesktop.org, jani.nikula@linux.intel.com,
	joonas.lahtinen@linux.intel.com
Cc: intel-gvt-dev@lists.freedesktop.org, Yan Zhao <yan.y.zhao@intel.com>
Subject: Re: [Intel-gfx] [PATCH] drm/i915/gt:fix raw-wakeref not held calltrace in vGPU
Date: Tue, 11 Aug 2020 09:26:11 +0100	[thread overview]
Message-ID: <159713437103.2955.4439985576665396417@build.alporthouse.com> (raw)
In-Reply-To: <20200811030209.21058-1-yan.y.zhao@intel.com>

Quoting Yan Zhao (2020-08-11 04:02:09)
> UNCORE_HAS_FORCEWAKE is not turned on when intel_vgpu_active() returns
> true, so the guest mmio writes go to gen2_write32().

The vgpu writes are just memory traps, the device wakeref should not be
required. It seems like we've accidentally added the assert to the wrong
io accessors.
-Chris
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx

  parent reply	other threads:[~2020-08-11  8:26 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-11  3:02 [Intel-gfx] [PATCH] drm/i915/gt:fix raw-wakeref not held calltrace in vGPU Yan Zhao
2020-08-11  3:57 ` [Intel-gfx] ✗ Fi.CI.SPARSE: warning for " Patchwork
2020-08-11  4:18 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
2020-08-11  5:38 ` [Intel-gfx] ✗ Fi.CI.IGT: failure " Patchwork
2020-08-11  8:26 ` Chris Wilson [this message]
2020-08-11  8:18   ` [Intel-gfx] [PATCH] " Yan Zhao
2020-08-11  8:39   ` Zhenyu Wang
2020-08-11  9:25 ` [Intel-gfx] [PATCH] drm/i915: Drop runtime-pm assert from vgpu io accessors Chris Wilson
2020-08-12  2:06   ` Zhenyu Wang
2020-08-19  8:32     ` Zhenyu Wang
2020-10-19  9:37       ` Zhenyu Wang
2020-10-20  9:41         ` Chris Wilson
2020-08-11 10:29 ` [Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for drm/i915/gt:fix raw-wakeref not held calltrace in vGPU (rev2) Patchwork
2020-08-11 10:51 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
2020-08-11 13:25 ` [Intel-gfx] ✗ Fi.CI.IGT: failure " Patchwork

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=159713437103.2955.4439985576665396417@build.alporthouse.com \
    --to=chris@chris-wilson.co.uk \
    --cc=intel-gfx@lists.freedesktop.org \
    --cc=intel-gvt-dev@lists.freedesktop.org \
    --cc=jani.nikula@linux.intel.com \
    --cc=joonas.lahtinen@linux.intel.com \
    --cc=yan.y.zhao@intel.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.