[Intel-gfx] [PATCH i-g-t] i915/gem_exec_big: Sync against asynchronous relocations

[Intel-gfx] [PATCH i-g-t] i915/gem_exec_big: Sync against asynchronous relocations

[Chris Wilson]

If we are writing the relocations using the GPU they will not be written
into the batch immediately. Instead there will be a write-fence while
the relocation is being performed, giving us something to conveniently
wait upon.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
---
 tests/i915/gem_exec_big.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/tests/i915/gem_exec_big.c b/tests/i915/gem_exec_big.c
index 9da90ead6..c06ee9959 100644
--- a/tests/i915/gem_exec_big.c
+++ b/tests/i915/gem_exec_big.c
@@ -95,6 +95,7 @@ static void exec1(int fd, uint32_t handle, uint64_t reloc_ofs, unsigned flags, c
 	gem_execbuf(fd, &execbuf);
 
 	igt_warn_on(gem_reloc[0].presumed_offset == -1);
+	gem_set_domain(fd, gem_exec[0].handle, I915_GEM_DOMAIN_WC, 0);
 
 	if (use_64bit_relocs) {
 		uint64_t tmp;
@@ -102,14 +103,14 @@ static void exec1(int fd, uint32_t handle, uint64_t reloc_ofs, unsigned flags, c
 			tmp = *(uint64_t *)(ptr+reloc_ofs);
 		else
 			gem_read(fd, handle, reloc_ofs, &tmp, sizeof(tmp));
-		igt_assert_eq(tmp, gem_reloc[0].presumed_offset);
+		igt_assert_eq_u64(tmp, gem_reloc[0].presumed_offset);
 	} else {
 		uint32_t tmp;
 		if (ptr)
 			tmp = *(uint32_t *)(ptr+reloc_ofs);
 		else
 			gem_read(fd, handle, reloc_ofs, &tmp, sizeof(tmp));
-		igt_assert_eq(tmp, gem_reloc[0].presumed_offset);
+		igt_assert_eq_u32(tmp, gem_reloc[0].presumed_offset);
 	}
 }
 
@@ -173,6 +174,7 @@ static void execN(int fd, uint32_t handle, uint64_t batch_size, unsigned flags,
 		if (igt_warn_on(gem_reloc[n].presumed_offset == -1))
 			break;
 	}
+	gem_set_domain(fd, gem_exec[0].handle, I915_GEM_DOMAIN_WC, 0);
 
 	if (use_64bit_relocs) {
 		for (n = 0; n < nreloc; n++) {
@@ -181,7 +183,7 @@ static void execN(int fd, uint32_t handle, uint64_t batch_size, unsigned flags,
 				tmp = *(uint64_t *)(ptr+reloc_ofs(n, nreloc));
 			else
 				gem_read(fd, handle, reloc_ofs(n, nreloc), &tmp, sizeof(tmp));
-			igt_assert_eq(tmp, gem_reloc[n].presumed_offset);
+			igt_assert_eq_u64(tmp, gem_reloc[n].presumed_offset);
 		}
 	} else {
 		for (n = 0; n < nreloc; n++) {
@@ -190,7 +192,7 @@ static void execN(int fd, uint32_t handle, uint64_t batch_size, unsigned flags,
 				tmp = *(uint32_t *)(ptr+reloc_ofs(n, nreloc));
 			else
 				gem_read(fd, handle, reloc_ofs(n, nreloc), &tmp, sizeof(tmp));
-			igt_assert_eq(tmp, gem_reloc[n].presumed_offset);
+			igt_assert_eq_u32(tmp, gem_reloc[n].presumed_offset);
 		}
 	}
 
-- 
2.23.0

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[igt-dev] ✓ Fi.CI.BAT: success for i915/gem_exec_big: Sync against asynchronous relocations

[Patchwork]

== Series Details ==

Series: i915/gem_exec_big: Sync against asynchronous relocations
URL   : https://patchwork.freedesktop.org/series/65883/
State : success

== Summary ==

CI Bug Log - changes from CI_DRM_6792 -> IGTPW_3384
====================================================

Summary
-------

  **SUCCESS**

  No regressions found.

  External URL: https://patchwork.freedesktop.org/api/1.0/series/65883/revisions/1/mbox/

Known issues
------------

  Here are the changes found in IGTPW_3384 that come from known issues:

### IGT changes ###

#### Issues hit ####

  * igt@gem_exec_suspend@basic-s3:
    - fi-blb-e6850:       [PASS][1] -> [INCOMPLETE][2] ([fdo#107718])
   [1]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6792/fi-blb-e6850/igt@gem_exec_suspend@basic-s3.html
   [2]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3384/fi-blb-e6850/igt@gem_exec_suspend@basic-s3.html

  
#### Possible fixes ####

  * igt@i915_selftest@live_execlists:
    - fi-skl-gvtdvm:      [DMESG-FAIL][3] ([fdo#111108]) -> [PASS][4]
   [3]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6792/fi-skl-gvtdvm/igt@i915_selftest@live_execlists.html
   [4]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3384/fi-skl-gvtdvm/igt@i915_selftest@live_execlists.html

  * igt@kms_frontbuffer_tracking@basic:
    - fi-icl-u2:          [FAIL][5] ([fdo#103167]) -> [PASS][6]
   [5]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6792/fi-icl-u2/igt@kms_frontbuffer_tracking@basic.html
   [6]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3384/fi-icl-u2/igt@kms_frontbuffer_tracking@basic.html

  
  [fdo#103167]: https://bugs.freedesktop.org/show_bug.cgi?id=103167
  [fdo#107718]: https://bugs.freedesktop.org/show_bug.cgi?id=107718
  [fdo#111108]: https://bugs.freedesktop.org/show_bug.cgi?id=111108


Participating hosts (52 -> 43)
------------------------------

  Additional (1): fi-tgl-u 
  Missing    (10): fi-kbl-soraka fi-ilk-m540 fi-bxt-dsi fi-cml-s fi-hsw-4200u fi-byt-squawks fi-bsw-cyan fi-icl-y fi-byt-clapper fi-bdw-samus 


Build changes
-------------

  * CI: CI-20190529 -> None
  * IGT: IGT_5150 -> IGTPW_3384

  CI-20190529: 20190529
  CI_DRM_6792: 87f7792bc3891de3fab4fb64d66a85a66729e3d4 @ git://anongit.freedesktop.org/gfx-ci/linux
  IGTPW_3384: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3384/
  IGT_5150: a4e8217bcdfef9bb523f26a9084bbf615a6e8abb @ git://anongit.freedesktop.org/xorg/app/intel-gpu-tools

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3384/
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[igt-dev] ✗ Fi.CI.IGT: failure for i915/gem_exec_big: Sync against asynchronous relocations

[Patchwork]

== Series Details ==

Series: i915/gem_exec_big: Sync against asynchronous relocations
URL   : https://patchwork.freedesktop.org/series/65883/
State : failure

== Summary ==

CI Bug Log - changes from CI_DRM_6792_full -> IGTPW_3384_full
====================================================

Summary
-------

  **FAILURE**

  Serious unknown changes coming with IGTPW_3384_full absolutely need to be
  verified manually.
  
  If you think the reported changes have nothing to do with the changes
  introduced in IGTPW_3384_full, please notify your bug team to allow them
  to document this new failure mode, which will reduce false positives in CI.

  External URL: https://patchwork.freedesktop.org/api/1.0/series/65883/revisions/1/mbox/

Possible new issues
-------------------

  Here are the unknown changes that may have been introduced in IGTPW_3384_full:

### IGT changes ###

#### Possible regressions ####

  * igt@i915_pm_rpm@universal-planes:
    - shard-kbl:          [PASS][1] -> [DMESG-WARN][2]
   [1]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6792/shard-kbl1/igt@i915_pm_rpm@universal-planes.html
   [2]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3384/shard-kbl7/igt@i915_pm_rpm@universal-planes.html

  
Known issues
------------

  Here are the changes found in IGTPW_3384_full that come from known issues:

### IGT changes ###

#### Issues hit ####

  * igt@gem_busy@basic-hang-rcs0:
    - shard-apl:          [PASS][3] -> [INCOMPLETE][4] ([fdo#103927])
   [3]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6792/shard-apl3/igt@gem_busy@basic-hang-rcs0.html
   [4]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3384/shard-apl5/igt@gem_busy@basic-hang-rcs0.html

  * igt@gem_ctx_shared@q-in-order-bsd2:
    - shard-iclb:         [PASS][5] -> [SKIP][6] ([fdo#109276]) +10 similar issues
   [5]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6792/shard-iclb4/igt@gem_ctx_shared@q-in-order-bsd2.html
   [6]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3384/shard-iclb8/igt@gem_ctx_shared@q-in-order-bsd2.html

  * igt@gem_exec_schedule@preempt-other-bsd:
    - shard-iclb:         [PASS][7] -> [SKIP][8] ([fdo#111325]) +4 similar issues
   [7]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6792/shard-iclb7/igt@gem_exec_schedule@preempt-other-bsd.html
   [8]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3384/shard-iclb1/igt@gem_exec_schedule@preempt-other-bsd.html

  * igt@gem_tiled_swapping@non-threaded:
    - shard-glk:          [PASS][9] -> [DMESG-WARN][10] ([fdo#108686])
   [9]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6792/shard-glk3/igt@gem_tiled_swapping@non-threaded.html
   [10]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3384/shard-glk7/igt@gem_tiled_swapping@non-threaded.html

  * igt@i915_suspend@fence-restore-tiled2untiled:
    - shard-apl:          [PASS][11] -> [DMESG-WARN][12] ([fdo#108566]) +6 similar issues
   [11]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6792/shard-apl2/igt@i915_suspend@fence-restore-tiled2untiled.html
   [12]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3384/shard-apl1/igt@i915_suspend@fence-restore-tiled2untiled.html

  * igt@kms_flip@flip-vs-suspend-interruptible:
    - shard-glk:          [PASS][13] -> [INCOMPLETE][14] ([fdo#103359] / [k.org#198133])
   [13]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6792/shard-glk6/igt@kms_flip@flip-vs-suspend-interruptible.html
   [14]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3384/shard-glk4/igt@kms_flip@flip-vs-suspend-interruptible.html

  * igt@kms_frontbuffer_tracking@fbc-1p-primscrn-spr-indfb-draw-blt:
    - shard-apl:          [PASS][15] -> [FAIL][16] ([fdo#103167])
   [15]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6792/shard-apl5/igt@kms_frontbuffer_tracking@fbc-1p-primscrn-spr-indfb-draw-blt.html
   [16]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3384/shard-apl2/igt@kms_frontbuffer_tracking@fbc-1p-primscrn-spr-indfb-draw-blt.html
    - shard-kbl:          [PASS][17] -> [FAIL][18] ([fdo#103167])
   [17]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6792/shard-kbl6/igt@kms_frontbuffer_tracking@fbc-1p-primscrn-spr-indfb-draw-blt.html
   [18]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3384/shard-kbl3/igt@kms_frontbuffer_tracking@fbc-1p-primscrn-spr-indfb-draw-blt.html

  * igt@kms_frontbuffer_tracking@fbc-2p-primscrn-spr-indfb-fullscreen:
    - shard-hsw:          [PASS][19] -> [SKIP][20] ([fdo#109271])
   [19]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6792/shard-hsw2/igt@kms_frontbuffer_tracking@fbc-2p-primscrn-spr-indfb-fullscreen.html
   [20]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3384/shard-hsw6/igt@kms_frontbuffer_tracking@fbc-2p-primscrn-spr-indfb-fullscreen.html

  * igt@kms_frontbuffer_tracking@fbcpsr-1p-primscrn-pri-shrfb-draw-render:
    - shard-iclb:         [PASS][21] -> [FAIL][22] ([fdo#103167]) +6 similar issues
   [21]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6792/shard-iclb8/igt@kms_frontbuffer_tracking@fbcpsr-1p-primscrn-pri-shrfb-draw-render.html
   [22]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3384/shard-iclb2/igt@kms_frontbuffer_tracking@fbcpsr-1p-primscrn-pri-shrfb-draw-render.html

  * igt@kms_psr@psr2_primary_page_flip:
    - shard-iclb:         [PASS][23] -> [SKIP][24] ([fdo#109441]) +5 similar issues
   [23]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6792/shard-iclb2/igt@kms_psr@psr2_primary_page_flip.html
   [24]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3384/shard-iclb6/igt@kms_psr@psr2_primary_page_flip.html

  * igt@perf@oa-exponents:
    - shard-glk:          [PASS][25] -> [FAIL][26] ([fdo#105483])
   [25]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6792/shard-glk4/igt@perf@oa-exponents.html
   [26]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3384/shard-glk8/igt@perf@oa-exponents.html

  
#### Possible fixes ####

  * igt@gem_ctx_shared@exec-single-timeline-bsd:
    - shard-iclb:         [SKIP][27] ([fdo#110841]) -> [PASS][28]
   [27]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6792/shard-iclb1/igt@gem_ctx_shared@exec-single-timeline-bsd.html
   [28]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3384/shard-iclb3/igt@gem_ctx_shared@exec-single-timeline-bsd.html

  * igt@gem_exec_balancer@smoke:
    - shard-iclb:         [SKIP][29] ([fdo#110854]) -> [PASS][30]
   [29]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6792/shard-iclb8/igt@gem_exec_balancer@smoke.html
   [30]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3384/shard-iclb4/igt@gem_exec_balancer@smoke.html

  * igt@gem_exec_schedule@out-order-bsd2:
    - shard-iclb:         [SKIP][31] ([fdo#109276]) -> [PASS][32] +19 similar issues
   [31]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6792/shard-iclb8/igt@gem_exec_schedule@out-order-bsd2.html
   [32]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3384/shard-iclb1/igt@gem_exec_schedule@out-order-bsd2.html

  * igt@gem_exec_schedule@wide-bsd:
    - shard-iclb:         [SKIP][33] ([fdo#111325]) -> [PASS][34] +1 similar issue
   [33]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6792/shard-iclb4/igt@gem_exec_schedule@wide-bsd.html
   [34]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3384/shard-iclb8/igt@gem_exec_schedule@wide-bsd.html

  * igt@i915_suspend@fence-restore-untiled:
    - shard-apl:          [DMESG-WARN][35] ([fdo#108566]) -> [PASS][36] +4 similar issues
   [35]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6792/shard-apl4/igt@i915_suspend@fence-restore-untiled.html
   [36]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3384/shard-apl8/igt@i915_suspend@fence-restore-untiled.html

  * igt@kms_busy@basic-flip-b:
    - shard-kbl:          [DMESG-WARN][37] ([fdo#111317]) -> [PASS][38]
   [37]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6792/shard-kbl7/igt@kms_busy@basic-flip-b.html
   [38]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3384/shard-kbl1/igt@kms_busy@basic-flip-b.html
    - shard-apl:          [DMESG-WARN][39] ([fdo#111317]) -> [PASS][40]
   [39]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6792/shard-apl8/igt@kms_busy@basic-flip-b.html
   [40]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3384/shard-apl4/igt@kms_busy@basic-flip-b.html

  * igt@kms_cursor_edge_walk@pipe-b-128x128-top-edge:
    - shard-apl:          [INCOMPLETE][41] ([fdo#103927]) -> [PASS][42]
   [41]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6792/shard-apl8/igt@kms_cursor_edge_walk@pipe-b-128x128-top-edge.html
   [42]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3384/shard-apl5/igt@kms_cursor_edge_walk@pipe-b-128x128-top-edge.html

  * igt@kms_frontbuffer_tracking@fbc-1p-primscrn-pri-indfb-draw-render:
    - shard-iclb:         [FAIL][43] ([fdo#103167]) -> [PASS][44] +6 similar issues
   [43]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6792/shard-iclb2/igt@kms_frontbuffer_tracking@fbc-1p-primscrn-pri-indfb-draw-render.html
   [44]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3384/shard-iclb3/igt@kms_frontbuffer_tracking@fbc-1p-primscrn-pri-indfb-draw-render.html

  * igt@kms_plane_lowres@pipe-a-tiling-x:
    - shard-iclb:         [FAIL][45] ([fdo#103166]) -> [PASS][46]
   [45]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6792/shard-iclb7/igt@kms_plane_lowres@pipe-a-tiling-x.html
   [46]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3384/shard-iclb2/igt@kms_plane_lowres@pipe-a-tiling-x.html

  * igt@kms_psr@psr2_primary_mmap_gtt:
    - shard-iclb:         [SKIP][47] ([fdo#109441]) -> [PASS][48] +2 similar issues
   [47]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6792/shard-iclb5/igt@kms_psr@psr2_primary_mmap_gtt.html
   [48]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3384/shard-iclb2/igt@kms_psr@psr2_primary_mmap_gtt.html

  * igt@kms_setmode@basic:
    - shard-apl:          [FAIL][49] ([fdo#99912]) -> [PASS][50]
   [49]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6792/shard-apl7/igt@kms_setmode@basic.html
   [50]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3384/shard-apl1/igt@kms_setmode@basic.html
    - shard-kbl:          [FAIL][51] ([fdo#99912]) -> [PASS][52]
   [51]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6792/shard-kbl3/igt@kms_setmode@basic.html
   [52]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3384/shard-kbl2/igt@kms_setmode@basic.html

  * igt@perf_pmu@enable-race-rcs0:
    - shard-iclb:         [INCOMPLETE][53] ([fdo#107713]) -> [PASS][54]
   [53]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6792/shard-iclb7/igt@perf_pmu@enable-race-rcs0.html
   [54]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3384/shard-iclb8/igt@perf_pmu@enable-race-rcs0.html

  
#### Warnings ####

  * igt@gem_ctx_isolation@vcs1-nonpriv:
    - shard-iclb:         [FAIL][55] ([fdo#111329]) -> [SKIP][56] ([fdo#109276])
   [55]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6792/shard-iclb4/igt@gem_ctx_isolation@vcs1-nonpriv.html
   [56]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3384/shard-iclb6/igt@gem_ctx_isolation@vcs1-nonpriv.html

  * igt@gem_mocs_settings@mocs-isolation-bsd2:
    - shard-iclb:         [SKIP][57] ([fdo#109276]) -> [FAIL][58] ([fdo#111330])
   [57]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_6792/shard-iclb7/igt@gem_mocs_settings@mocs-isolation-bsd2.html
   [58]: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3384/shard-iclb1/igt@gem_mocs_settings@mocs-isolation-bsd2.html

  
  [fdo#103166]: https://bugs.freedesktop.org/show_bug.cgi?id=103166
  [fdo#103167]: https://bugs.freedesktop.org/show_bug.cgi?id=103167
  [fdo#103359]: https://bugs.freedesktop.org/show_bug.cgi?id=103359
  [fdo#103927]: https://bugs.freedesktop.org/show_bug.cgi?id=103927
  [fdo#105483]: https://bugs.freedesktop.org/show_bug.cgi?id=105483
  [fdo#107713]: https://bugs.freedesktop.org/show_bug.cgi?id=107713
  [fdo#108566]: https://bugs.freedesktop.org/show_bug.cgi?id=108566
  [fdo#108686]: https://bugs.freedesktop.org/show_bug.cgi?id=108686
  [fdo#109271]: https://bugs.freedesktop.org/show_bug.cgi?id=109271
  [fdo#109276]: https://bugs.freedesktop.org/show_bug.cgi?id=109276
  [fdo#109441]: https://bugs.freedesktop.org/show_bug.cgi?id=109441
  [fdo#110841]: https://bugs.freedesktop.org/show_bug.cgi?id=110841
  [fdo#110854]: https://bugs.freedesktop.org/show_bug.cgi?id=110854
  [fdo#111317]: https://bugs.freedesktop.org/show_bug.cgi?id=111317
  [fdo#111325]: https://bugs.freedesktop.org/show_bug.cgi?id=111325
  [fdo#111329]: https://bugs.freedesktop.org/show_bug.cgi?id=111329
  [fdo#111330]: https://bugs.freedesktop.org/show_bug.cgi?id=111330
  [fdo#99912]: https://bugs.freedesktop.org/show_bug.cgi?id=99912
  [k.org#198133]: https://bugzilla.kernel.org/show_bug.cgi?id=198133


Participating hosts (10 -> 6)
------------------------------

  Missing    (4): pig-skl-6260u shard-skl pig-hsw-4770r pig-glk-j5005 


Build changes
-------------

  * CI: CI-20190529 -> None
  * IGT: IGT_5150 -> IGTPW_3384
  * Piglit: piglit_4509 -> None

  CI-20190529: 20190529
  CI_DRM_6792: 87f7792bc3891de3fab4fb64d66a85a66729e3d4 @ git://anongit.freedesktop.org/gfx-ci/linux
  IGTPW_3384: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3384/
  IGT_5150: a4e8217bcdfef9bb523f26a9084bbf615a6e8abb @ git://anongit.freedesktop.org/xorg/app/intel-gpu-tools
  piglit_4509: fdc5a4ca11124ab8413c7988896eec4c97336694 @ git://anongit.freedesktop.org/piglit

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/IGTPW_3384/
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Re: [igt-dev] [Intel-gfx] [PATCH i-g-t] i915/gem_exec_big: Sync against asynchronous relocations

[Matthew Auld]

On Tue, 27 Aug 2019 at 15:58, Chris Wilson <chris@chris-wilson.co.uk> wrote:
>
> If we are writing the relocations using the GPU they will not be written
> into the batch immediately. Instead there will be a write-fence while
> the relocation is being performed, giving us something to conveniently
> wait upon.
>
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Matthew Auld <matthew.auld@intel.com>
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