* [PATCH v2] drm/i915/psr: Check for partial PSR dpcd reads
@ 2018-05-30 0:58 Tarun Vyas
2018-05-30 1:42 ` ✓ Fi.CI.BAT: success for drm/i915/psr: Check for partial PSR dpcd reads (rev2) Patchwork
2018-05-30 2:54 ` ✓ Fi.CI.IGT: " Patchwork
0 siblings, 2 replies; 3+ messages in thread
From: Tarun Vyas @ 2018-05-30 0:58 UTC (permalink / raw)
To: intel-gfx; +Cc: dhinakaran.pandiyan
The dpcd read during psr_dpcd_init may not always return the
requested number of bytes. No known cases yet, but good to
put that check in place.
v2: Fix checkpatch warnings.
Signed-off-by: Tarun Vyas <tarun.vyas@intel.com>
---
drivers/gpu/drm/i915/intel_psr.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c
index ebc483f06c6f..ed5591ed038c 100644
--- a/drivers/gpu/drm/i915/intel_psr.c
+++ b/drivers/gpu/drm/i915/intel_psr.c
@@ -234,8 +234,12 @@ void intel_psr_init_dpcd(struct intel_dp *intel_dp)
struct drm_i915_private *dev_priv =
to_i915(dp_to_dig_port(intel_dp)->base.base.dev);
- drm_dp_dpcd_read(&intel_dp->aux, DP_PSR_SUPPORT, intel_dp->psr_dpcd,
- sizeof(intel_dp->psr_dpcd));
+ if (drm_dp_dpcd_read(&intel_dp->aux, DP_PSR_SUPPORT, intel_dp->psr_dpcd,
+ sizeof(intel_dp->psr_dpcd)) !=
+ sizeof(intel_dp->psr_dpcd)) {
+ DRM_ERROR("PSR DPCD init failed\n");
+ return;
+ }
if (!intel_dp->psr_dpcd[0])
return;
--
2.13.5
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
^ permalink raw reply related [flat|nested] 3+ messages in thread
* ✓ Fi.CI.BAT: success for drm/i915/psr: Check for partial PSR dpcd reads (rev2)
2018-05-30 0:58 [PATCH v2] drm/i915/psr: Check for partial PSR dpcd reads Tarun Vyas
@ 2018-05-30 1:42 ` Patchwork
2018-05-30 2:54 ` ✓ Fi.CI.IGT: " Patchwork
1 sibling, 0 replies; 3+ messages in thread
From: Patchwork @ 2018-05-30 1:42 UTC (permalink / raw)
To: Tarun Vyas; +Cc: intel-gfx
== Series Details ==
Series: drm/i915/psr: Check for partial PSR dpcd reads (rev2)
URL : https://patchwork.freedesktop.org/series/43907/
State : success
== Summary ==
= CI Bug Log - changes from CI_DRM_4255 -> Patchwork_9144 =
== Summary - SUCCESS ==
No regressions found.
External URL: https://patchwork.freedesktop.org/api/1.0/series/43907/revisions/2/mbox/
== Known issues ==
Here are the changes found in Patchwork_9144 that come from known issues:
=== IGT changes ===
==== Issues hit ====
igt@gem_exec_gttfill@basic:
fi-glk-j4005: PASS -> DMESG-WARN (fdo#105719)
igt@kms_busy@basic-flip-b:
fi-glk-j4005: PASS -> DMESG-WARN (fdo#106000)
igt@kms_flip@basic-flip-vs-wf_vblank:
fi-cfl-s3: PASS -> FAIL (fdo#100368)
igt@kms_flip@basic-plain-flip:
fi-glk-j4005: PASS -> DMESG-WARN (fdo#106097)
igt@kms_frontbuffer_tracking@basic:
fi-hsw-peppy: PASS -> DMESG-FAIL (fdo#102614, fdo#106103)
==== Possible fixes ====
igt@gem_exec_suspend@basic-s3:
fi-glk-j4005: DMESG-WARN (fdo#106097) -> PASS +1
igt@gem_mmap_gtt@basic-small-bo-tiledx:
fi-gdg-551: FAIL (fdo#102575) -> PASS
igt@gem_mmap_gtt@basic-wc:
fi-glk-j4005: DMESG-WARN (fdo#105719) -> PASS
igt@kms_chamelium@dp-edid-read:
fi-kbl-7500u: FAIL (fdo#103841) -> PASS
igt@kms_flip@basic-flip-vs-modeset:
fi-glk-j4005: DMESG-WARN (fdo#106000) -> PASS
igt@kms_pipe_crc_basic@read-crc-pipe-b-frame-sequence:
fi-glk-j4005: FAIL (fdo#103481) -> PASS
igt@kms_pipe_crc_basic@suspend-read-crc-pipe-a:
fi-cnl-psr: DMESG-WARN (fdo#104951) -> PASS
igt@kms_pipe_crc_basic@suspend-read-crc-pipe-c:
fi-bxt-dsi: INCOMPLETE (fdo#103927) -> PASS
fdo#100368 https://bugs.freedesktop.org/show_bug.cgi?id=100368
fdo#102575 https://bugs.freedesktop.org/show_bug.cgi?id=102575
fdo#102614 https://bugs.freedesktop.org/show_bug.cgi?id=102614
fdo#103481 https://bugs.freedesktop.org/show_bug.cgi?id=103481
fdo#103841 https://bugs.freedesktop.org/show_bug.cgi?id=103841
fdo#103927 https://bugs.freedesktop.org/show_bug.cgi?id=103927
fdo#104951 https://bugs.freedesktop.org/show_bug.cgi?id=104951
fdo#105719 https://bugs.freedesktop.org/show_bug.cgi?id=105719
fdo#106000 https://bugs.freedesktop.org/show_bug.cgi?id=106000
fdo#106097 https://bugs.freedesktop.org/show_bug.cgi?id=106097
fdo#106103 https://bugs.freedesktop.org/show_bug.cgi?id=106103
== Participating hosts (45 -> 39) ==
Missing (6): fi-ilk-m540 fi-byt-squawks fi-bsw-cyan fi-ctg-p8600 fi-cfl-u2 fi-skl-6700hq
== Build changes ==
* Linux: CI_DRM_4255 -> Patchwork_9144
CI_DRM_4255: 5550ce1b359dcbd8d9387e0501bc372f0c158eaa @ git://anongit.freedesktop.org/gfx-ci/linux
IGT_4499: f560ae5a464331f03f0a669ed46b8c9e56526187 @ git://anongit.freedesktop.org/xorg/app/intel-gpu-tools
Patchwork_9144: b80996f7d8172b22c7edf8ce5e91ff77a060473b @ git://anongit.freedesktop.org/gfx-ci/linux
== Linux commits ==
b80996f7d817 drm/i915/psr: Check for partial PSR dpcd reads
== Logs ==
For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_9144/issues.html
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
^ permalink raw reply [flat|nested] 3+ messages in thread
* ✓ Fi.CI.IGT: success for drm/i915/psr: Check for partial PSR dpcd reads (rev2)
2018-05-30 0:58 [PATCH v2] drm/i915/psr: Check for partial PSR dpcd reads Tarun Vyas
2018-05-30 1:42 ` ✓ Fi.CI.BAT: success for drm/i915/psr: Check for partial PSR dpcd reads (rev2) Patchwork
@ 2018-05-30 2:54 ` Patchwork
1 sibling, 0 replies; 3+ messages in thread
From: Patchwork @ 2018-05-30 2:54 UTC (permalink / raw)
To: Tarun Vyas; +Cc: intel-gfx
== Series Details ==
Series: drm/i915/psr: Check for partial PSR dpcd reads (rev2)
URL : https://patchwork.freedesktop.org/series/43907/
State : success
== Summary ==
= CI Bug Log - changes from CI_DRM_4255_full -> Patchwork_9144_full =
== Summary - WARNING ==
Minor unknown changes coming with Patchwork_9144_full need to be verified
manually.
If you think the reported changes have nothing to do with the changes
introduced in Patchwork_9144_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/43907/revisions/2/mbox/
== Possible new issues ==
Here are the unknown changes that may have been introduced in Patchwork_9144_full:
=== IGT changes ===
==== Warnings ====
igt@gem_exec_schedule@deep-blt:
shard-kbl: PASS -> SKIP
== Known issues ==
Here are the changes found in Patchwork_9144_full that come from known issues:
=== IGT changes ===
==== Issues hit ====
igt@drv_selftest@live_gtt:
shard-glk: PASS -> INCOMPLETE (k.org#198133, fdo#103359)
igt@kms_atomic_transition@1x-modeset-transitions-nonblocking:
shard-glk: PASS -> FAIL (fdo#105703)
igt@kms_cursor_legacy@2x-nonblocking-modeset-vs-cursor-atomic:
shard-glk: PASS -> FAIL (fdo#105454, fdo#106509)
igt@kms_cursor_legacy@flip-vs-cursor-toggle:
shard-hsw: PASS -> FAIL (fdo#102670)
igt@kms_flip@2x-modeset-vs-vblank-race-interruptible:
shard-hsw: PASS -> FAIL (fdo#103060)
igt@kms_flip@2x-plain-flip-ts-check:
shard-glk: PASS -> FAIL (fdo#100368)
igt@kms_flip_tiling@flip-x-tiled:
shard-glk: PASS -> FAIL (fdo#103822, fdo#104724) +1
==== Possible fixes ====
igt@kms_cursor_crc@cursor-256x256-suspend:
shard-kbl: INCOMPLETE (fdo#103665) -> PASS
igt@kms_cursor_legacy@cursor-vs-flip-toggle:
shard-hsw: FAIL (fdo#103355) -> PASS
igt@kms_flip@wf_vblank-ts-check-interruptible:
shard-hsw: FAIL (fdo#100368) -> PASS
igt@kms_flip_tiling@flip-to-y-tiled:
shard-glk: FAIL (fdo#103822, fdo#104724) -> PASS +1
igt@kms_setmode@basic:
shard-kbl: FAIL (fdo#99912) -> PASS
igt@kms_vblank@pipe-a-accuracy-idle:
shard-hsw: FAIL (fdo#102583) -> PASS
igt@perf_pmu@semaphore-wait-idle-vecs0:
shard-glk: FAIL -> PASS
fdo#100368 https://bugs.freedesktop.org/show_bug.cgi?id=100368
fdo#102583 https://bugs.freedesktop.org/show_bug.cgi?id=102583
fdo#102670 https://bugs.freedesktop.org/show_bug.cgi?id=102670
fdo#103060 https://bugs.freedesktop.org/show_bug.cgi?id=103060
fdo#103355 https://bugs.freedesktop.org/show_bug.cgi?id=103355
fdo#103359 https://bugs.freedesktop.org/show_bug.cgi?id=103359
fdo#103665 https://bugs.freedesktop.org/show_bug.cgi?id=103665
fdo#103822 https://bugs.freedesktop.org/show_bug.cgi?id=103822
fdo#104724 https://bugs.freedesktop.org/show_bug.cgi?id=104724
fdo#105454 https://bugs.freedesktop.org/show_bug.cgi?id=105454
fdo#105703 https://bugs.freedesktop.org/show_bug.cgi?id=105703
fdo#106509 https://bugs.freedesktop.org/show_bug.cgi?id=106509
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 (5 -> 5) ==
No changes in participating hosts
== Build changes ==
* Linux: CI_DRM_4255 -> Patchwork_9144
CI_DRM_4255: 5550ce1b359dcbd8d9387e0501bc372f0c158eaa @ git://anongit.freedesktop.org/gfx-ci/linux
IGT_4499: f560ae5a464331f03f0a669ed46b8c9e56526187 @ git://anongit.freedesktop.org/xorg/app/intel-gpu-tools
Patchwork_9144: b80996f7d8172b22c7edf8ce5e91ff77a060473b @ git://anongit.freedesktop.org/gfx-ci/linux
== Logs ==
For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_9144/shards.html
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
^ permalink raw reply [flat|nested] 3+ messages in thread
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2018-05-30 0:58 [PATCH v2] drm/i915/psr: Check for partial PSR dpcd reads Tarun Vyas
2018-05-30 1:42 ` ✓ Fi.CI.BAT: success for drm/i915/psr: Check for partial PSR dpcd reads (rev2) Patchwork
2018-05-30 2:54 ` ✓ Fi.CI.IGT: " Patchwork
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