Re: [Intel-gfx] [PATCH] drm/i915/gtt: Revert "Disable read-only support under GVT"

2018-10-31 Thread Chris Wilson
Quoting Zhenyu Wang (2018-10-31 05:17:48) > On 2018.10.30 15:08:01 +0800, intel-gfx-boun...@lists.freedesktop.org wrote: > > From: Hang Yuan > > > > This reverts commit c9e666880de5a1fed04dc412b046916d542b72dd. > > > > Checked GVT codes that guest PPGTT PTE flag bits are propagated > > to shadow

Re: [Intel-gfx] [PATCH] drm/i915/gtt: Revert "Disable read-only support under GVT"

2018-10-30 Thread Zhenyu Wang
On 2018.10.30 15:08:01 +0800, intel-gfx-boun...@lists.freedesktop.org wrote: > From: Hang Yuan > > This reverts commit c9e666880de5a1fed04dc412b046916d542b72dd. > > Checked GVT codes that guest PPGTT PTE flag bits are propagated > to shadow PTE. Read/write bit is not changed. Further tested by >

Re: [Intel-gfx] [PATCH] drm/i915/gtt: Revert "Disable read-only support under GVT"

2018-10-30 Thread Chris Wilson
Quoting hang.y...@linux.intel.com (2018-10-30 07:08:01) > From: Hang Yuan > > This reverts commit c9e666880de5a1fed04dc412b046916d542b72dd. > > Checked GVT codes that guest PPGTT PTE flag bits are propagated > to shadow PTE. Read/write bit is not changed. Further tested by > i915 self-test case

[Intel-gfx] [PATCH] drm/i915/gtt: Revert "Disable read-only support under GVT"

2018-10-30 Thread hang . yuan
From: Hang Yuan This reverts commit c9e666880de5a1fed04dc412b046916d542b72dd. Checked GVT codes that guest PPGTT PTE flag bits are propagated to shadow PTE. Read/write bit is not changed. Further tested by i915 self-test case "igt_ctx_readonly". No error or GPU hang was detected. So enable read-