[Intel-gfx] [PATCH] agp/intel: Reinforce the barrier after GTT updates

[Intel-gfx] [PATCH] agp/intel: Reinforce the barrier after GTT updates

[Chris Wilson]

From: Chris Wilson <ickle@x201s.alporthouse.com>

After changing the timing between GTT updates and execution on the GPU,
we started seeing sporadic failures on Ironlake. These were narrowed
down to being an insufficiently strong enough barrier/delay after
updating the GTT and scheduling execution on the GPU. By forcing the
uncached read, and adding the missing barrier for the singular
insert_page (relocation paths), the sporadic failures go away.

Fixes: 983d308cb8f6 ("agp/intel: Serialise after GTT updates")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@vger.kernel.org # v4.0+
---
 drivers/char/agp/intel-gtt.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c
index 66a62d17a3f5..3d42fc4290bc 100644
--- a/drivers/char/agp/intel-gtt.c
+++ b/drivers/char/agp/intel-gtt.c
@@ -846,6 +846,7 @@ void intel_gtt_insert_page(dma_addr_t addr,
 			   unsigned int flags)
 {
 	intel_private.driver->write_entry(addr, pg, flags);
+	readl(intel_private.gtt + pg);
 	if (intel_private.driver->chipset_flush)
 		intel_private.driver->chipset_flush();
 }
@@ -871,7 +872,7 @@ void intel_gtt_insert_sg_entries(struct sg_table *st,
 			j++;
 		}
 	}
-	wmb();
+	readl(intel_private.gtt + j - 1);
 	if (intel_private.driver->chipset_flush)
 		intel_private.driver->chipset_flush();
 }
@@ -1105,6 +1106,7 @@ static void i9xx_cleanup(void)
 
 static void i9xx_chipset_flush(void)
 {
+	wmb();
 	if (intel_private.i9xx_flush_page)
 		writel(1, intel_private.i9xx_flush_page);
 }
-- 
2.20.1

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[PATCH] agp/intel: Reinforce the barrier after GTT updates

[Chris Wilson]

From: Chris Wilson <ickle@x201s.alporthouse.com>

After changing the timing between GTT updates and execution on the GPU,
we started seeing sporadic failures on Ironlake. These were narrowed
down to being an insufficiently strong enough barrier/delay after
updating the GTT and scheduling execution on the GPU. By forcing the
uncached read, and adding the missing barrier for the singular
insert_page (relocation paths), the sporadic failures go away.

Fixes: 983d308cb8f6 ("agp/intel: Serialise after GTT updates")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@vger.kernel.org # v4.0+
---
 drivers/char/agp/intel-gtt.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c
index 66a62d17a3f5..3d42fc4290bc 100644
--- a/drivers/char/agp/intel-gtt.c
+++ b/drivers/char/agp/intel-gtt.c
@@ -846,6 +846,7 @@ void intel_gtt_insert_page(dma_addr_t addr,
 			   unsigned int flags)
 {
 	intel_private.driver->write_entry(addr, pg, flags);
+	readl(intel_private.gtt + pg);
 	if (intel_private.driver->chipset_flush)
 		intel_private.driver->chipset_flush();
 }
@@ -871,7 +872,7 @@ void intel_gtt_insert_sg_entries(struct sg_table *st,
 			j++;
 		}
 	}
-	wmb();
+	readl(intel_private.gtt + j - 1);
 	if (intel_private.driver->chipset_flush)
 		intel_private.driver->chipset_flush();
 }
@@ -1105,6 +1106,7 @@ static void i9xx_cleanup(void)
 
 static void i9xx_chipset_flush(void)
 {
+	wmb();
 	if (intel_private.i9xx_flush_page)
 		writel(1, intel_private.i9xx_flush_page);
 }
-- 
2.20.1

[Intel-gfx] [PATCH] agp/intel: Reinforce the barrier after GTT updates

[Chris Wilson]

After changing the timing between GTT updates and execution on the GPU,
we started seeing sporadic failures on Ironlake. These were narrowed
down to being an insufficiently strong enough barrier/delay after
updating the GTT and scheduling execution on the GPU. By forcing the
uncached read, and adding the missing barrier for the singular
insert_page (relocation paths), the sporadic failures go away.

Fixes: 983d308cb8f6 ("agp/intel: Serialise after GTT updates")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@vger.kernel.org # v4.0+
---
 drivers/char/agp/intel-gtt.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c
index 66a62d17a3f5..3d42fc4290bc 100644
--- a/drivers/char/agp/intel-gtt.c
+++ b/drivers/char/agp/intel-gtt.c
@@ -846,6 +846,7 @@ void intel_gtt_insert_page(dma_addr_t addr,
 			   unsigned int flags)
 {
 	intel_private.driver->write_entry(addr, pg, flags);
+	readl(intel_private.gtt + pg);
 	if (intel_private.driver->chipset_flush)
 		intel_private.driver->chipset_flush();
 }
@@ -871,7 +872,7 @@ void intel_gtt_insert_sg_entries(struct sg_table *st,
 			j++;
 		}
 	}
-	wmb();
+	readl(intel_private.gtt + j - 1);
 	if (intel_private.driver->chipset_flush)
 		intel_private.driver->chipset_flush();
 }
@@ -1105,6 +1106,7 @@ static void i9xx_cleanup(void)
 
 static void i9xx_chipset_flush(void)
 {
+	wmb();
 	if (intel_private.i9xx_flush_page)
 		writel(1, intel_private.i9xx_flush_page);
 }
-- 
2.20.1

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[PATCH] agp/intel: Reinforce the barrier after GTT updates

[Chris Wilson]

After changing the timing between GTT updates and execution on the GPU,
we started seeing sporadic failures on Ironlake. These were narrowed
down to being an insufficiently strong enough barrier/delay after
updating the GTT and scheduling execution on the GPU. By forcing the
uncached read, and adding the missing barrier for the singular
insert_page (relocation paths), the sporadic failures go away.

Fixes: 983d308cb8f6 ("agp/intel: Serialise after GTT updates")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: stable@vger.kernel.org # v4.0+
---
 drivers/char/agp/intel-gtt.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c
index 66a62d17a3f5..3d42fc4290bc 100644
--- a/drivers/char/agp/intel-gtt.c
+++ b/drivers/char/agp/intel-gtt.c
@@ -846,6 +846,7 @@ void intel_gtt_insert_page(dma_addr_t addr,
 			   unsigned int flags)
 {
 	intel_private.driver->write_entry(addr, pg, flags);
+	readl(intel_private.gtt + pg);
 	if (intel_private.driver->chipset_flush)
 		intel_private.driver->chipset_flush();
 }
@@ -871,7 +872,7 @@ void intel_gtt_insert_sg_entries(struct sg_table *st,
 			j++;
 		}
 	}
-	wmb();
+	readl(intel_private.gtt + j - 1);
 	if (intel_private.driver->chipset_flush)
 		intel_private.driver->chipset_flush();
 }
@@ -1105,6 +1106,7 @@ static void i9xx_cleanup(void)
 
 static void i9xx_chipset_flush(void)
 {
+	wmb();
 	if (intel_private.i9xx_flush_page)
 		writel(1, intel_private.i9xx_flush_page);
 }
-- 
2.20.1

Re: [Intel-gfx] [PATCH] agp/intel: Reinforce the barrier after GTT updates

[Andi Shyti]

Hi Chris,

> After changing the timing between GTT updates and execution on the GPU,
> we started seeing sporadic failures on Ironlake. These were narrowed
> down to being an insufficiently strong enough barrier/delay after
> updating the GTT and scheduling execution on the GPU. By forcing the
> uncached read, and adding the missing barrier for the singular
> insert_page (relocation paths), the sporadic failures go away.
> 
> Fixes: 983d308cb8f6 ("agp/intel: Serialise after GTT updates")
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> Cc: stable@vger.kernel.org # v4.0+

Acked-by: Andi Shyti <andi.shyti@intel.com>

Andi

> ---
>  drivers/char/agp/intel-gtt.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c
> index 66a62d17a3f5..3d42fc4290bc 100644
> --- a/drivers/char/agp/intel-gtt.c
> +++ b/drivers/char/agp/intel-gtt.c
> @@ -846,6 +846,7 @@ void intel_gtt_insert_page(dma_addr_t addr,
>  			   unsigned int flags)
>  {
>  	intel_private.driver->write_entry(addr, pg, flags);
> +	readl(intel_private.gtt + pg);
>  	if (intel_private.driver->chipset_flush)
>  		intel_private.driver->chipset_flush();
>  }
> @@ -871,7 +872,7 @@ void intel_gtt_insert_sg_entries(struct sg_table *st,
>  			j++;
>  		}
>  	}
> -	wmb();
> +	readl(intel_private.gtt + j - 1);
>  	if (intel_private.driver->chipset_flush)
>  		intel_private.driver->chipset_flush();
>  }
> @@ -1105,6 +1106,7 @@ static void i9xx_cleanup(void)
>  
>  static void i9xx_chipset_flush(void)
>  {
> +	wmb();
>  	if (intel_private.i9xx_flush_page)
>  		writel(1, intel_private.i9xx_flush_page);
>  }
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Re: [Intel-gfx] [PATCH] agp/intel: Reinforce the barrier after GTT updates

[Andi Shyti]

Hi Chris,

> After changing the timing between GTT updates and execution on the GPU,
> we started seeing sporadic failures on Ironlake. These were narrowed
> down to being an insufficiently strong enough barrier/delay after
> updating the GTT and scheduling execution on the GPU. By forcing the
> uncached read, and adding the missing barrier for the singular
> insert_page (relocation paths), the sporadic failures go away.
> 
> Fixes: 983d308cb8f6 ("agp/intel: Serialise after GTT updates")
> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
> Cc: stable@vger.kernel.org # v4.0+

Acked-by: Andi Shyti <andi.shyti@intel.com>

Andi

> ---
>  drivers/char/agp/intel-gtt.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/char/agp/intel-gtt.c b/drivers/char/agp/intel-gtt.c
> index 66a62d17a3f5..3d42fc4290bc 100644
> --- a/drivers/char/agp/intel-gtt.c
> +++ b/drivers/char/agp/intel-gtt.c
> @@ -846,6 +846,7 @@ void intel_gtt_insert_page(dma_addr_t addr,
>  			   unsigned int flags)
>  {
>  	intel_private.driver->write_entry(addr, pg, flags);
> +	readl(intel_private.gtt + pg);
>  	if (intel_private.driver->chipset_flush)
>  		intel_private.driver->chipset_flush();
>  }
> @@ -871,7 +872,7 @@ void intel_gtt_insert_sg_entries(struct sg_table *st,
>  			j++;
>  		}
>  	}
> -	wmb();
> +	readl(intel_private.gtt + j - 1);
>  	if (intel_private.driver->chipset_flush)
>  		intel_private.driver->chipset_flush();
>  }
> @@ -1105,6 +1106,7 @@ static void i9xx_cleanup(void)
>  
>  static void i9xx_chipset_flush(void)
>  {
> +	wmb();
>  	if (intel_private.i9xx_flush_page)
>  		writel(1, intel_private.i9xx_flush_page);
>  }

Re: [Intel-gfx] [PATCH] agp/intel: Reinforce the barrier after GTT updates

[Sasha Levin]

Hi

[This is an automated email]

This commit has been processed because it contains a "Fixes:" tag
fixing commit: 983d308cb8f6 ("agp/intel: Serialise after GTT updates").

The bot has tested the following trees: v5.6.5, v5.5.18, v5.4.33, v4.19.116, v4.14.176, v4.9.219, v4.4.219.

v5.6.5: Build OK!
v5.5.18: Build OK!
v5.4.33: Build OK!
v4.19.116: Build OK!
v4.14.176: Build OK!
v4.9.219: Build OK!
v4.4.219: Failed to apply! Possible dependencies:
    09cfcb456941 ("drm/i915: Split out load time HW initialization")
    0a9d2bed5557 ("drm/i915/skl: Making DC6 entry is the last call in suspend flow.")
    1f814daca43a ("drm/i915: add support for checking if we hold an RPM reference")
    2f693e28b8df ("drm/i915: Make turning on/off PW1 and Misc I/O part of the init/fini sequences")
    399bb5b6db02 ("drm/i915: Move allocation of various workqueues earlier during init")
    414b7999b8be ("drm/i915/gen9: Remove csr.state, csr_lock and related code.")
    5bab6f60cb4d ("drm/i915: Serialise updates to GGTT with access through GGTT on Braswell")
    62106b4f6b91 ("drm/i915: Rename dev_priv->gtt to dev_priv->ggtt")
    73dfc227ff5c ("drm/i915/skl: init/uninit display core as part of the HW power domain state")
    9c5308ea1cd4 ("drm/i915/skl: Refuse to load outdated dmc firmware")
    ad5c3d3ffbb2 ("drm/i915: Move MCHBAR setup earlier during init")
    b6e7d894c3d2 ("drm/i915/skl: Store and print the DMC firmware version we load")
    bc87229f323e ("drm/i915/skl: enable PC9/10 power states during suspend-to-idle")
    c140330b5e6b ("drm/i915: Move Braswell stop_machine GGTT insertion workaround")
    c73666f394fc ("drm/i915/skl: If needed sanitize bios programmed cdclk")
    d507d73578ef ("drm/i915/gtt: Clean up GGTT probing code")
    d6473f566417 ("drm/i915: Add support for mapping an object page by page")
    ebae38d061df ("drm/i915/gen9: csr_init after runtime pm enable")
    f4448375467d ("drm/i915/gen9: Use dev_priv in csr functions")
    f514c2d84285 ("drm/i915/gen9: flush DMC fw loading work during system suspend")


NOTE: The patch will not be queued to stable trees until it is upstream.

How should we proceed with this patch?

-- 
Thanks
Sasha
_______________________________________________
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Re: [PATCH] agp/intel: Reinforce the barrier after GTT updates

[Sasha Levin]

Hi

[This is an automated email]

This commit has been processed because it contains a "Fixes:" tag
fixing commit: 983d308cb8f6 ("agp/intel: Serialise after GTT updates").

The bot has tested the following trees: v5.6.5, v5.5.18, v5.4.33, v4.19.116, v4.14.176, v4.9.219, v4.4.219.

v5.6.5: Build OK!
v5.5.18: Build OK!
v5.4.33: Build OK!
v4.19.116: Build OK!
v4.14.176: Build OK!
v4.9.219: Build OK!
v4.4.219: Failed to apply! Possible dependencies:
    09cfcb456941 ("drm/i915: Split out load time HW initialization")
    0a9d2bed5557 ("drm/i915/skl: Making DC6 entry is the last call in suspend flow.")
    1f814daca43a ("drm/i915: add support for checking if we hold an RPM reference")
    2f693e28b8df ("drm/i915: Make turning on/off PW1 and Misc I/O part of the init/fini sequences")
    399bb5b6db02 ("drm/i915: Move allocation of various workqueues earlier during init")
    414b7999b8be ("drm/i915/gen9: Remove csr.state, csr_lock and related code.")
    5bab6f60cb4d ("drm/i915: Serialise updates to GGTT with access through GGTT on Braswell")
    62106b4f6b91 ("drm/i915: Rename dev_priv->gtt to dev_priv->ggtt")
    73dfc227ff5c ("drm/i915/skl: init/uninit display core as part of the HW power domain state")
    9c5308ea1cd4 ("drm/i915/skl: Refuse to load outdated dmc firmware")
    ad5c3d3ffbb2 ("drm/i915: Move MCHBAR setup earlier during init")
    b6e7d894c3d2 ("drm/i915/skl: Store and print the DMC firmware version we load")
    bc87229f323e ("drm/i915/skl: enable PC9/10 power states during suspend-to-idle")
    c140330b5e6b ("drm/i915: Move Braswell stop_machine GGTT insertion workaround")
    c73666f394fc ("drm/i915/skl: If needed sanitize bios programmed cdclk")
    d507d73578ef ("drm/i915/gtt: Clean up GGTT probing code")
    d6473f566417 ("drm/i915: Add support for mapping an object page by page")
    ebae38d061df ("drm/i915/gen9: csr_init after runtime pm enable")
    f4448375467d ("drm/i915/gen9: Use dev_priv in csr functions")
    f514c2d84285 ("drm/i915/gen9: flush DMC fw loading work during system suspend")


NOTE: The patch will not be queued to stable trees until it is upstream.

How should we proceed with this patch?

-- 
Thanks
Sasha

[Intel-gfx] ✗ Fi.CI.CHECKPATCH: warning for agp/intel: Reinforce the barrier after GTT updates (rev2)

[Patchwork]

== Series Details ==

Series: agp/intel: Reinforce the barrier after GTT updates (rev2)
URL   : https://patchwork.freedesktop.org/series/75785/
State : warning

== Summary ==

$ dim checkpatch origin/drm-tip
c1e1db29df8c agp/intel: Reinforce the barrier after GTT updates
-:42: WARNING:MEMORY_BARRIER: memory barrier without comment
#42: FILE: drivers/char/agp/intel-gtt.c:1109:
+	wmb();

total: 0 errors, 1 warnings, 0 checks, 22 lines checked

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[Intel-gfx] ✓ Fi.CI.BAT: success for agp/intel: Reinforce the barrier after GTT updates (rev2)

[Patchwork]

== Series Details ==

Series: agp/intel: Reinforce the barrier after GTT updates (rev2)
URL   : https://patchwork.freedesktop.org/series/75785/
State : success

== Summary ==

CI Bug Log - changes from CI_DRM_8289 -> Patchwork_17274
====================================================

Summary
-------

  **SUCCESS**

  No regressions found.

  External URL: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17274/index.html

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

  Here are the changes found in Patchwork_17274 that come from known issues:

### IGT changes ###

#### Issues hit ####

  * igt@i915_module_load@reload:
    - fi-skl-6770hq:      [PASS][1] -> [DMESG-WARN][2] ([i915#203]) +1 similar issue
   [1]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8289/fi-skl-6770hq/igt@i915_module_load@reload.html
   [2]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17274/fi-skl-6770hq/igt@i915_module_load@reload.html

  * igt@kms_pipe_crc_basic@read-crc-pipe-a-frame-sequence:
    - fi-skl-6770hq:      [PASS][3] -> [SKIP][4] ([fdo#109271]) +4 similar issues
   [3]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8289/fi-skl-6770hq/igt@kms_pipe_crc_basic@read-crc-pipe-a-frame-sequence.html
   [4]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17274/fi-skl-6770hq/igt@kms_pipe_crc_basic@read-crc-pipe-a-frame-sequence.html

  * igt@kms_pipe_crc_basic@read-crc-pipe-c:
    - fi-skl-6770hq:      [PASS][5] -> [DMESG-WARN][6] ([i915#106] / [i915#165])
   [5]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8289/fi-skl-6770hq/igt@kms_pipe_crc_basic@read-crc-pipe-c.html
   [6]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17274/fi-skl-6770hq/igt@kms_pipe_crc_basic@read-crc-pipe-c.html

  
#### Possible fixes ####

  * igt@kms_flip@basic-flip-vs-wf_vblank:
    - fi-skl-lmem:        [DMESG-WARN][7] -> [PASS][8]
   [7]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8289/fi-skl-lmem/igt@kms_flip@basic-flip-vs-wf_vblank.html
   [8]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17274/fi-skl-lmem/igt@kms_flip@basic-flip-vs-wf_vblank.html

  
#### Warnings ####

  * igt@i915_pm_rpm@module-reload:
    - fi-kbl-x1275:       [FAIL][9] ([i915#62] / [i915#95]) -> [SKIP][10] ([fdo#109271])
   [9]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8289/fi-kbl-x1275/igt@i915_pm_rpm@module-reload.html
   [10]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17274/fi-kbl-x1275/igt@i915_pm_rpm@module-reload.html

  
  [fdo#109271]: https://bugs.freedesktop.org/show_bug.cgi?id=109271
  [i915#106]: https://gitlab.freedesktop.org/drm/intel/issues/106
  [i915#165]: https://gitlab.freedesktop.org/drm/intel/issues/165
  [i915#203]: https://gitlab.freedesktop.org/drm/intel/issues/203
  [i915#62]: https://gitlab.freedesktop.org/drm/intel/issues/62
  [i915#95]: https://gitlab.freedesktop.org/drm/intel/issues/95


Participating hosts (52 -> 46)
------------------------------

  Missing    (6): fi-ilk-m540 fi-hsw-4200u fi-byt-squawks fi-bsw-cyan fi-byt-clapper fi-bdw-samus 


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

  * CI: CI-20190529 -> None
  * Linux: CI_DRM_8289 -> Patchwork_17274

  CI-20190529: 20190529
  CI_DRM_8289: 81e3d7ff72672b6aeadbf9c0b9cc514cec9c889d @ git://anongit.freedesktop.org/gfx-ci/linux
  IGT_5586: 29fad328e6a1b105c8d688cafe19b1b5c19ad0c8 @ git://anongit.freedesktop.org/xorg/app/intel-gpu-tools
  Patchwork_17274: c1e1db29df8c2d319380f7d85dc0d52ac0cdac45 @ git://anongit.freedesktop.org/gfx-ci/linux


== Linux commits ==

c1e1db29df8c agp/intel: Reinforce the barrier after GTT updates

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17274/index.html
_______________________________________________
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[Intel-gfx] ✓ Fi.CI.IGT: success for agp/intel: Reinforce the barrier after GTT updates (rev2)

[Patchwork]

== Series Details ==

Series: agp/intel: Reinforce the barrier after GTT updates (rev2)
URL   : https://patchwork.freedesktop.org/series/75785/
State : success

== Summary ==

CI Bug Log - changes from CI_DRM_8289_full -> Patchwork_17274_full
====================================================

Summary
-------

  **SUCCESS**

  No regressions found.

  

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

  Here are the changes found in Patchwork_17274_full that come from known issues:

### IGT changes ###

#### Issues hit ####

  * igt@i915_selftest@live@hangcheck:
    - shard-iclb:         [PASS][1] -> [INCOMPLETE][2] ([i915#1580])
   [1]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8289/shard-iclb1/igt@i915_selftest@live@hangcheck.html
   [2]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17274/shard-iclb2/igt@i915_selftest@live@hangcheck.html

  * igt@i915_suspend@debugfs-reader:
    - shard-skl:          [PASS][3] -> [INCOMPLETE][4] ([i915#69])
   [3]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8289/shard-skl4/igt@i915_suspend@debugfs-reader.html
   [4]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17274/shard-skl8/igt@i915_suspend@debugfs-reader.html

  * igt@kms_cursor_crc@pipe-b-cursor-128x128-onscreen:
    - shard-skl:          [PASS][5] -> [FAIL][6] ([i915#54]) +1 similar issue
   [5]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8289/shard-skl6/igt@kms_cursor_crc@pipe-b-cursor-128x128-onscreen.html
   [6]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17274/shard-skl6/igt@kms_cursor_crc@pipe-b-cursor-128x128-onscreen.html

  * igt@kms_flip@flip-vs-suspend:
    - shard-skl:          [PASS][7] -> [INCOMPLETE][8] ([i915#221])
   [7]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8289/shard-skl8/igt@kms_flip@flip-vs-suspend.html
   [8]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17274/shard-skl4/igt@kms_flip@flip-vs-suspend.html

  * igt@kms_flip@flip-vs-suspend-interruptible:
    - shard-apl:          [PASS][9] -> [DMESG-WARN][10] ([i915#180] / [i915#95])
   [9]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8289/shard-apl2/igt@kms_flip@flip-vs-suspend-interruptible.html
   [10]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17274/shard-apl6/igt@kms_flip@flip-vs-suspend-interruptible.html

  * igt@kms_hdr@bpc-switch-dpms:
    - shard-skl:          [PASS][11] -> [FAIL][12] ([i915#1188])
   [11]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8289/shard-skl6/igt@kms_hdr@bpc-switch-dpms.html
   [12]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17274/shard-skl6/igt@kms_hdr@bpc-switch-dpms.html

  * igt@kms_psr@psr2_cursor_render:
    - shard-iclb:         [PASS][13] -> [SKIP][14] ([fdo#109441]) +3 similar issues
   [13]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8289/shard-iclb2/igt@kms_psr@psr2_cursor_render.html
   [14]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17274/shard-iclb1/igt@kms_psr@psr2_cursor_render.html

  * igt@kms_vblank@pipe-a-ts-continuation-suspend:
    - shard-kbl:          [PASS][15] -> [DMESG-WARN][16] ([i915#180]) +3 similar issues
   [15]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8289/shard-kbl6/igt@kms_vblank@pipe-a-ts-continuation-suspend.html
   [16]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17274/shard-kbl3/igt@kms_vblank@pipe-a-ts-continuation-suspend.html

  
#### Possible fixes ####

  * igt@gem_exec_params@invalid-bsd-ring:
    - shard-iclb:         [SKIP][17] ([fdo#109276]) -> [PASS][18]
   [17]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8289/shard-iclb5/igt@gem_exec_params@invalid-bsd-ring.html
   [18]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17274/shard-iclb2/igt@gem_exec_params@invalid-bsd-ring.html

  * igt@gem_exec_suspend@basic-s3:
    - shard-skl:          [INCOMPLETE][19] ([i915#69]) -> [PASS][20]
   [19]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8289/shard-skl10/igt@gem_exec_suspend@basic-s3.html
   [20]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17274/shard-skl3/igt@gem_exec_suspend@basic-s3.html

  * igt@kms_cursor_crc@pipe-a-cursor-suspend:
    - shard-kbl:          [DMESG-WARN][21] ([i915#180]) -> [PASS][22] +4 similar issues
   [21]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8289/shard-kbl7/igt@kms_cursor_crc@pipe-a-cursor-suspend.html
   [22]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17274/shard-kbl6/igt@kms_cursor_crc@pipe-a-cursor-suspend.html

  * igt@kms_cursor_crc@pipe-b-cursor-suspend:
    - shard-apl:          [DMESG-WARN][23] ([i915#180]) -> [PASS][24] +3 similar issues
   [23]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8289/shard-apl4/igt@kms_cursor_crc@pipe-b-cursor-suspend.html
   [24]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17274/shard-apl8/igt@kms_cursor_crc@pipe-b-cursor-suspend.html

  * igt@kms_flip@2x-flip-vs-expired-vblank-interruptible:
    - shard-glk:          [FAIL][25] ([i915#79]) -> [PASS][26]
   [25]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8289/shard-glk7/igt@kms_flip@2x-flip-vs-expired-vblank-interruptible.html
   [26]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17274/shard-glk7/igt@kms_flip@2x-flip-vs-expired-vblank-interruptible.html

  * igt@kms_flip@plain-flip-fb-recreate-interruptible:
    - shard-skl:          [FAIL][27] ([i915#34]) -> [PASS][28]
   [27]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8289/shard-skl7/igt@kms_flip@plain-flip-fb-recreate-interruptible.html
   [28]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17274/shard-skl2/igt@kms_flip@plain-flip-fb-recreate-interruptible.html

  * igt@kms_frontbuffer_tracking@fbc-suspend:
    - shard-kbl:          [DMESG-WARN][29] ([i915#180] / [i915#93] / [i915#95]) -> [PASS][30] +1 similar issue
   [29]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8289/shard-kbl6/igt@kms_frontbuffer_tracking@fbc-suspend.html
   [30]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17274/shard-kbl1/igt@kms_frontbuffer_tracking@fbc-suspend.html

  * igt@kms_plane_alpha_blend@pipe-c-coverage-7efc:
    - shard-skl:          [FAIL][31] ([fdo#108145] / [i915#265]) -> [PASS][32] +1 similar issue
   [31]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8289/shard-skl4/igt@kms_plane_alpha_blend@pipe-c-coverage-7efc.html
   [32]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17274/shard-skl4/igt@kms_plane_alpha_blend@pipe-c-coverage-7efc.html

  * igt@kms_psr2_su@frontbuffer:
    - shard-iclb:         [SKIP][33] ([fdo#109642] / [fdo#111068]) -> [PASS][34]
   [33]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8289/shard-iclb1/igt@kms_psr2_su@frontbuffer.html
   [34]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17274/shard-iclb2/igt@kms_psr2_su@frontbuffer.html

  * igt@kms_psr@psr2_sprite_render:
    - shard-iclb:         [SKIP][35] ([fdo#109441]) -> [PASS][36]
   [35]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8289/shard-iclb5/igt@kms_psr@psr2_sprite_render.html
   [36]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17274/shard-iclb2/igt@kms_psr@psr2_sprite_render.html

  
#### Warnings ####

  * igt@i915_pm_dc@dc6-dpms:
    - shard-tglb:         [FAIL][37] ([i915#454]) -> [SKIP][38] ([i915#468])
   [37]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8289/shard-tglb1/igt@i915_pm_dc@dc6-dpms.html
   [38]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17274/shard-tglb2/igt@i915_pm_dc@dc6-dpms.html

  * igt@i915_pm_rpm@modeset-non-lpsp-stress-no-wait:
    - shard-snb:          [INCOMPLETE][39] ([i915#82]) -> [SKIP][40] ([fdo#109271])
   [39]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8289/shard-snb4/igt@i915_pm_rpm@modeset-non-lpsp-stress-no-wait.html
   [40]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17274/shard-snb2/igt@i915_pm_rpm@modeset-non-lpsp-stress-no-wait.html

  * igt@i915_suspend@sysfs-reader:
    - shard-kbl:          [INCOMPLETE][41] ([CI#80] / [i915#155]) -> [INCOMPLETE][42] ([CI#80])
   [41]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8289/shard-kbl6/igt@i915_suspend@sysfs-reader.html
   [42]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17274/shard-kbl1/igt@i915_suspend@sysfs-reader.html

  * igt@kms_psr2_su@page_flip:
    - shard-iclb:         [FAIL][43] ([i915#608]) -> [SKIP][44] ([fdo#109642] / [fdo#111068])
   [43]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8289/shard-iclb2/igt@kms_psr2_su@page_flip.html
   [44]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17274/shard-iclb6/igt@kms_psr2_su@page_flip.html

  
  {name}: This element is suppressed. This means it is ignored when computing
          the status of the difference (SUCCESS, WARNING, or FAILURE).

  [CI#80]: https://gitlab.freedesktop.org/gfx-ci/i915-infra/issues/80
  [fdo#108145]: https://bugs.freedesktop.org/show_bug.cgi?id=108145
  [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#109642]: https://bugs.freedesktop.org/show_bug.cgi?id=109642
  [fdo#111068]: https://bugs.freedesktop.org/show_bug.cgi?id=111068
  [i915#1188]: https://gitlab.freedesktop.org/drm/intel/issues/1188
  [i915#155]: https://gitlab.freedesktop.org/drm/intel/issues/155
  [i915#1580]: https://gitlab.freedesktop.org/drm/intel/issues/1580
  [i915#180]: https://gitlab.freedesktop.org/drm/intel/issues/180
  [i915#221]: https://gitlab.freedesktop.org/drm/intel/issues/221
  [i915#265]: https://gitlab.freedesktop.org/drm/intel/issues/265
  [i915#34]: https://gitlab.freedesktop.org/drm/intel/issues/34
  [i915#454]: https://gitlab.freedesktop.org/drm/intel/issues/454
  [i915#468]: https://gitlab.freedesktop.org/drm/intel/issues/468
  [i915#54]: https://gitlab.freedesktop.org/drm/intel/issues/54
  [i915#608]: https://gitlab.freedesktop.org/drm/intel/issues/608
  [i915#69]: https://gitlab.freedesktop.org/drm/intel/issues/69
  [i915#79]: https://gitlab.freedesktop.org/drm/intel/issues/79
  [i915#82]: https://gitlab.freedesktop.org/drm/intel/issues/82
  [i915#93]: https://gitlab.freedesktop.org/drm/intel/issues/93
  [i915#95]: https://gitlab.freedesktop.org/drm/intel/issues/95


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

  No changes in participating hosts


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

  * CI: CI-20190529 -> None
  * Linux: CI_DRM_8289 -> Patchwork_17274

  CI-20190529: 20190529
  CI_DRM_8289: 81e3d7ff72672b6aeadbf9c0b9cc514cec9c889d @ git://anongit.freedesktop.org/gfx-ci/linux
  IGT_5586: 29fad328e6a1b105c8d688cafe19b1b5c19ad0c8 @ git://anongit.freedesktop.org/xorg/app/intel-gpu-tools
  Patchwork_17274: c1e1db29df8c2d319380f7d85dc0d52ac0cdac45 @ git://anongit.freedesktop.org/gfx-ci/linux
  piglit_4509: fdc5a4ca11124ab8413c7988896eec4c97336694 @ git://anongit.freedesktop.org/piglit

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17274/index.html
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