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* [Intel-gfx] [PATCH] drm/i915/tgl: Add Wa_1409371443
@ 2020-06-02  1:49 Aditya Swarup
  2020-06-02  2:30 ` [Intel-gfx] ✓ Fi.CI.BAT: success for " Patchwork
                   ` (2 more replies)
  0 siblings, 3 replies; 4+ messages in thread
From: Aditya Swarup @ 2020-06-02  1:49 UTC (permalink / raw)
  To: intel-gfx

Set GMBUS0 Pin Pair Select to 1 at boot and each FLR exit.
Return GMBUS0 Pin Pair Select to 1 after GMBUS transactions are done.

Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Piotr Piórkowski <piotr.piorkowski@intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Jose Souza <jose.souza@intel.com>
Signed-off-by: Aditya Swarup <aditya.swarup@intel.com>
---
 drivers/gpu/drm/i915/display/intel_gmbus.c | 16 ++++++++++++++++
 drivers/gpu/drm/i915/i915_reg.h            |  2 ++
 2 files changed, 18 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_gmbus.c b/drivers/gpu/drm/i915/display/intel_gmbus.c
index a8d119b6b45c..8dd5aa025c3f 100644
--- a/drivers/gpu/drm/i915/display/intel_gmbus.c
+++ b/drivers/gpu/drm/i915/display/intel_gmbus.c
@@ -139,11 +139,19 @@ to_intel_gmbus(struct i2c_adapter *i2c)
 	return container_of(i2c, struct intel_gmbus, adapter);
 }
 
+static void gmbus0_wa_reset(struct drm_i915_private *dev_priv)
+{
+	intel_de_write(dev_priv, GMBUS0, 0 | GMBUS_PIN_PAIR_1);
+}
+
 void
 intel_gmbus_reset(struct drm_i915_private *dev_priv)
 {
 	intel_de_write(dev_priv, GMBUS0, 0);
 	intel_de_write(dev_priv, GMBUS4, 0);
+	/* Wa_1409371443: tgl[a0] */
+	if (IS_TGL_REVID(dev_priv, TGL_REVID_A0, TGL_REVID_A0))
+		gmbus0_wa_reset(dev_priv);
 }
 
 static void pnv_gmbus_clock_gating(struct drm_i915_private *dev_priv,
@@ -299,6 +307,10 @@ intel_gpio_post_xfer(struct i2c_adapter *adapter)
 
 	if (IS_PINEVIEW(dev_priv))
 		pnv_gmbus_clock_gating(dev_priv, true);
+
+	/* Wa_1409371443: tgl[a0] */
+	if (IS_TGL_REVID(dev_priv, TGL_REVID_A0, TGL_REVID_A0))
+		gmbus0_wa_reset(dev_priv);
 }
 
 static void
@@ -955,4 +967,8 @@ void intel_gmbus_teardown(struct drm_i915_private *dev_priv)
 		bus = &dev_priv->gmbus[pin];
 		i2c_del_adapter(&bus->adapter);
 	}
+
+	/* Wa_1409371443: tgl[a0] */
+	if (IS_TGL_REVID(dev_priv, TGL_REVID_A0, TGL_REVID_A0))
+		gmbus0_wa_reset(dev_priv);
 }
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 578cfe11cbb9..a1640476cefb 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -3337,6 +3337,8 @@ static inline bool i915_mmio_reg_valid(i915_reg_t reg)
 #define   GMBUS_RATE_1MHZ	(3 << 8) /* reserved on Pineview */
 #define   GMBUS_HOLD_EXT	(1 << 7) /* 300ns hold time, rsvd on Pineview */
 #define   GMBUS_BYTE_CNT_OVERRIDE (1 << 6)
+#define   GMBUS_PIN_PAIR_MASK	REG_GENMASK(4, 0)
+#define   GMBUS_PIN_PAIR_1	REG_FIELD_PREP(GMBUS_PIN_PAIR_MASK, 1)
 
 #define GMBUS1			_MMIO(dev_priv->gpio_mmio_base + 0x5104) /* command/status */
 #define   GMBUS_SW_CLR_INT	(1 << 31)
-- 
2.26.2

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^ permalink raw reply related	[flat|nested] 4+ messages in thread

* [Intel-gfx] ✓ Fi.CI.BAT: success for drm/i915/tgl: Add Wa_1409371443
  2020-06-02  1:49 [Intel-gfx] [PATCH] drm/i915/tgl: Add Wa_1409371443 Aditya Swarup
@ 2020-06-02  2:30 ` Patchwork
  2020-06-02 11:14 ` [Intel-gfx] ✓ Fi.CI.IGT: " Patchwork
  2020-06-25 17:32 ` [Intel-gfx] [PATCH] " Matt Atwood
  2 siblings, 0 replies; 4+ messages in thread
From: Patchwork @ 2020-06-02  2:30 UTC (permalink / raw)
  To: Aditya Swarup; +Cc: intel-gfx

== Series Details ==

Series: drm/i915/tgl: Add Wa_1409371443
URL   : https://patchwork.freedesktop.org/series/77892/
State : success

== Summary ==

CI Bug Log - changes from CI_DRM_8568 -> Patchwork_17837
====================================================

Summary
-------

  **SUCCESS**

  No regressions found.

  External URL: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17837/index.html


Changes
-------

  No changes found


Participating hosts (51 -> 44)
------------------------------

  Missing    (7): fi-ilk-m540 fi-hsw-4200u fi-byt-squawks fi-bsw-cyan fi-kbl-7560u fi-byt-clapper fi-bdw-samus 


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

  * Linux: CI_DRM_8568 -> Patchwork_17837

  CI-20190529: 20190529
  CI_DRM_8568: 124bafc80c3ce62fc61b8eabb2657c87424b999b @ git://anongit.freedesktop.org/gfx-ci/linux
  IGT_5690: bea881189520a9cccbb1c1cb454ac5b6fdaea40e @ git://anongit.freedesktop.org/xorg/app/intel-gpu-tools
  Patchwork_17837: fe426e69f68a924170739c2e34f71a3771b37c0f @ git://anongit.freedesktop.org/gfx-ci/linux


== Linux commits ==

fe426e69f68a drm/i915/tgl: Add Wa_1409371443

== Logs ==

For more details see: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17837/index.html
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx

^ permalink raw reply	[flat|nested] 4+ messages in thread

* [Intel-gfx] ✓ Fi.CI.IGT: success for drm/i915/tgl: Add Wa_1409371443
  2020-06-02  1:49 [Intel-gfx] [PATCH] drm/i915/tgl: Add Wa_1409371443 Aditya Swarup
  2020-06-02  2:30 ` [Intel-gfx] ✓ Fi.CI.BAT: success for " Patchwork
@ 2020-06-02 11:14 ` Patchwork
  2020-06-25 17:32 ` [Intel-gfx] [PATCH] " Matt Atwood
  2 siblings, 0 replies; 4+ messages in thread
From: Patchwork @ 2020-06-02 11:14 UTC (permalink / raw)
  To: Aditya Swarup; +Cc: intel-gfx

== Series Details ==

Series: drm/i915/tgl: Add Wa_1409371443
URL   : https://patchwork.freedesktop.org/series/77892/
State : success

== Summary ==

CI Bug Log - changes from CI_DRM_8568_full -> Patchwork_17837_full
====================================================

Summary
-------

  **SUCCESS**

  No regressions found.

  

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

  Here are the changes found in Patchwork_17837_full that come from known issues:

### IGT changes ###

#### Issues hit ####

  * igt@gem_ctx_persistence@engines-mixed-process@vcs0:
    - shard-skl:          [PASS][1] -> [FAIL][2] ([i915#1528])
   [1]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8568/shard-skl1/igt@gem_ctx_persistence@engines-mixed-process@vcs0.html
   [2]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17837/shard-skl10/igt@gem_ctx_persistence@engines-mixed-process@vcs0.html

  * igt@i915_suspend@fence-restore-tiled2untiled:
    - shard-apl:          [PASS][3] -> [DMESG-WARN][4] ([i915#180]) +5 similar issues
   [3]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8568/shard-apl4/igt@i915_suspend@fence-restore-tiled2untiled.html
   [4]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17837/shard-apl8/igt@i915_suspend@fence-restore-tiled2untiled.html

  * igt@kms_cursor_legacy@cursor-vs-flip-toggle:
    - shard-hsw:          [PASS][5] -> [FAIL][6] ([i915#57])
   [5]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8568/shard-hsw2/igt@kms_cursor_legacy@cursor-vs-flip-toggle.html
   [6]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17837/shard-hsw8/igt@kms_cursor_legacy@cursor-vs-flip-toggle.html

  * igt@kms_plane_alpha_blend@pipe-c-coverage-7efc:
    - shard-skl:          [PASS][7] -> [FAIL][8] ([fdo#108145] / [i915#265]) +1 similar issue
   [7]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8568/shard-skl3/igt@kms_plane_alpha_blend@pipe-c-coverage-7efc.html
   [8]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17837/shard-skl2/igt@kms_plane_alpha_blend@pipe-c-coverage-7efc.html

  * igt@kms_psr@psr2_cursor_render:
    - shard-iclb:         [PASS][9] -> [SKIP][10] ([fdo#109441]) +2 similar issues
   [9]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8568/shard-iclb2/igt@kms_psr@psr2_cursor_render.html
   [10]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17837/shard-iclb7/igt@kms_psr@psr2_cursor_render.html

  * igt@kms_vblank@pipe-a-ts-continuation-idle-hang:
    - shard-snb:          [PASS][11] -> [SKIP][12] ([fdo#109271])
   [11]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8568/shard-snb1/igt@kms_vblank@pipe-a-ts-continuation-idle-hang.html
   [12]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17837/shard-snb6/igt@kms_vblank@pipe-a-ts-continuation-idle-hang.html

  * igt@kms_vblank@pipe-c-wait-idle-hang:
    - shard-apl:          [PASS][13] -> [TIMEOUT][14] ([i915#1635]) +2 similar issues
   [13]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8568/shard-apl8/igt@kms_vblank@pipe-c-wait-idle-hang.html
   [14]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17837/shard-apl8/igt@kms_vblank@pipe-c-wait-idle-hang.html

  
#### Possible fixes ####

  * {igt@gem_ctx_isolation@preservation-s3@rcs0}:
    - shard-apl:          [DMESG-WARN][15] ([i915#180]) -> [PASS][16] +2 similar issues
   [15]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8568/shard-apl1/igt@gem_ctx_isolation@preservation-s3@rcs0.html
   [16]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17837/shard-apl6/igt@gem_ctx_isolation@preservation-s3@rcs0.html

  * igt@gem_workarounds@suspend-resume-fd:
    - shard-apl:          [INCOMPLETE][17] -> [PASS][18]
   [17]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8568/shard-apl8/igt@gem_workarounds@suspend-resume-fd.html
   [18]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17837/shard-apl6/igt@gem_workarounds@suspend-resume-fd.html

  * igt@i915_pm_rpm@system-suspend-devices:
    - shard-hsw:          [INCOMPLETE][19] ([i915#151] / [i915#61]) -> [PASS][20]
   [19]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8568/shard-hsw8/igt@i915_pm_rpm@system-suspend-devices.html
   [20]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17837/shard-hsw8/igt@i915_pm_rpm@system-suspend-devices.html

  * igt@kms_cursor_edge_walk@pipe-a-256x256-right-edge:
    - shard-apl:          [FAIL][21] ([i915#70] / [i915#95]) -> [PASS][22]
   [21]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8568/shard-apl4/igt@kms_cursor_edge_walk@pipe-a-256x256-right-edge.html
   [22]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17837/shard-apl8/igt@kms_cursor_edge_walk@pipe-a-256x256-right-edge.html

  * igt@kms_cursor_legacy@cursorb-vs-flipa-toggle:
    - shard-glk:          [DMESG-WARN][23] ([i915#1926]) -> [PASS][24]
   [23]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8568/shard-glk9/igt@kms_cursor_legacy@cursorb-vs-flipa-toggle.html
   [24]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17837/shard-glk8/igt@kms_cursor_legacy@cursorb-vs-flipa-toggle.html

  * {igt@kms_flip@flip-vs-suspend-interruptible@b-hdmi-a1}:
    - shard-hsw:          [INCOMPLETE][25] ([i915#61]) -> [PASS][26]
   [25]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8568/shard-hsw4/igt@kms_flip@flip-vs-suspend-interruptible@b-hdmi-a1.html
   [26]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17837/shard-hsw4/igt@kms_flip@flip-vs-suspend-interruptible@b-hdmi-a1.html

  * igt@kms_hdr@bpc-switch-dpms:
    - shard-skl:          [FAIL][27] ([i915#1188]) -> [PASS][28]
   [27]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8568/shard-skl7/igt@kms_hdr@bpc-switch-dpms.html
   [28]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17837/shard-skl9/igt@kms_hdr@bpc-switch-dpms.html

  * igt@kms_plane_alpha_blend@pipe-a-constant-alpha-min:
    - shard-skl:          [FAIL][29] ([fdo#108145] / [i915#265]) -> [PASS][30]
   [29]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8568/shard-skl8/igt@kms_plane_alpha_blend@pipe-a-constant-alpha-min.html
   [30]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17837/shard-skl6/igt@kms_plane_alpha_blend@pipe-a-constant-alpha-min.html

  * igt@kms_psr@no_drrs:
    - shard-iclb:         [FAIL][31] ([i915#173]) -> [PASS][32]
   [31]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8568/shard-iclb1/igt@kms_psr@no_drrs.html
   [32]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17837/shard-iclb4/igt@kms_psr@no_drrs.html

  * igt@kms_psr@psr2_suspend:
    - shard-iclb:         [SKIP][33] ([fdo#109441]) -> [PASS][34] +1 similar issue
   [33]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8568/shard-iclb5/igt@kms_psr@psr2_suspend.html
   [34]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17837/shard-iclb2/igt@kms_psr@psr2_suspend.html

  * igt@kms_vblank@pipe-a-ts-continuation-suspend:
    - shard-kbl:          [DMESG-WARN][35] ([i915#180]) -> [PASS][36] +1 similar issue
   [35]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8568/shard-kbl1/igt@kms_vblank@pipe-a-ts-continuation-suspend.html
   [36]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17837/shard-kbl2/igt@kms_vblank@pipe-a-ts-continuation-suspend.html
    - shard-skl:          [INCOMPLETE][37] ([i915#69]) -> [PASS][38] +1 similar issue
   [37]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8568/shard-skl3/igt@kms_vblank@pipe-a-ts-continuation-suspend.html
   [38]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17837/shard-skl8/igt@kms_vblank@pipe-a-ts-continuation-suspend.html

  * {igt@perf@polling-parameterized}:
    - shard-hsw:          [FAIL][39] ([i915#1542]) -> [PASS][40]
   [39]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8568/shard-hsw6/igt@perf@polling-parameterized.html
   [40]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17837/shard-hsw1/igt@perf@polling-parameterized.html

  
#### Warnings ####

  * igt@i915_pm_dc@dc6-psr:
    - shard-tglb:         [SKIP][41] ([i915#468]) -> [FAIL][42] ([i915#1899])
   [41]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8568/shard-tglb2/igt@i915_pm_dc@dc6-psr.html
   [42]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17837/shard-tglb6/igt@i915_pm_dc@dc6-psr.html

  * igt@kms_content_protection@atomic:
    - shard-apl:          [FAIL][43] ([fdo#110321] / [fdo#110336]) -> [TIMEOUT][44] ([i915#1319] / [i915#1635])
   [43]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8568/shard-apl6/igt@kms_content_protection@atomic.html
   [44]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17837/shard-apl7/igt@kms_content_protection@atomic.html

  * igt@kms_content_protection@atomic-dpms:
    - shard-apl:          [TIMEOUT][45] ([i915#1319] / [i915#1635]) -> [FAIL][46] ([fdo#110321] / [fdo#110336])
   [45]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8568/shard-apl8/igt@kms_content_protection@atomic-dpms.html
   [46]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17837/shard-apl6/igt@kms_content_protection@atomic-dpms.html

  * igt@kms_content_protection@srm:
    - shard-apl:          [FAIL][47] ([fdo#110321]) -> [TIMEOUT][48] ([i915#1319] / [i915#1635])
   [47]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8568/shard-apl4/igt@kms_content_protection@srm.html
   [48]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17837/shard-apl8/igt@kms_content_protection@srm.html

  * igt@kms_cursor_legacy@cursora-vs-flipb-toggle:
    - shard-glk:          [DMESG-WARN][49] ([i915#1926]) -> [DMESG-FAIL][50] ([i915#1925] / [i915#1926])
   [49]: https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_8568/shard-glk4/igt@kms_cursor_legacy@cursora-vs-flipb-toggle.html
   [50]: https://intel-gfx-ci.01.org/tree/drm-tip/Patchwork_17837/shard-glk2/igt@kms_cursor_legacy@cursora-vs-flipb-toggle.html

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

  [fdo#108145]: https://bugs.freedesktop.org/show_bug.cgi?id=108145
  [fdo#109271]: https://bugs.freedesktop.org/show_bug.cgi?id=109271
  [fdo#109441]: https://bugs.freedesktop.org/show_bug.cgi?id=109441
  [fdo#110321]: https://bugs.freedesktop.org/show_bug.cgi?id=110321
  [fdo#110336]: https://bugs.freedesktop.org/show_bug.cgi?id=110336
  [i915#1188]: https://gitlab.freedesktop.org/drm/intel/issues/1188
  [i915#1319]: https://gitlab.freedesktop.org/drm/intel/issues/1319
  [i915#151]: https://gitlab.freedesktop.org/drm/intel/issues/151
  [i915#1528]: https://gitlab.freedesktop.org/drm/intel/issues/1528
  [i915#1542]: https://gitlab.freedesktop.org/drm/intel/issues/1542
  [i915#1635]: https://gitlab.freedesktop.org/drm/intel/issues/1635
  [i915#173]: https://gitlab.freedesktop.org/drm/intel/issues/173
  [i915#180]: https://gitlab.freedesktop.org/drm/intel/issues/180
  [i915#1899]: https://gitlab.freedesktop.org/drm/intel/issues/1899
  [i915#1925]: https://gitlab.freedesktop.org/drm/intel/issues/1925
  [i915#1926]: https://gitlab.freedesktop.org/drm/intel/issues/1926
  [i915#1927]: https://gitlab.freedesktop.org/drm/intel/issues/1927
  [i915#1930]: https://gitlab.freedesktop.org/drm/intel/issues/1930
  [i915#198]: https://gitlab.freedesktop.org/drm/intel/issues/198
  [i915#265]: https://gitlab.freedesktop.org/drm/intel/issues/265
  [i915#468]: https://gitlab.freedesktop.org/drm/intel/issues/468
  [i915#57]: https://gitlab.freedesktop.org/drm/intel/issues/57
  [i915#58]: https://gitlab.freedesktop.org/drm/intel/issues/58
  [i915#61]: https://gitlab.freedesktop.org/drm/intel/issues/61
  [i915#69]: https://gitlab.freedesktop.org/drm/intel/issues/69
  [i915#70]: https://gitlab.freedesktop.org/drm/intel/issues/70
  [i915#95]: https://gitlab.freedesktop.org/drm/intel/issues/95
  [k.org#198133]: https://bugzilla.kernel.org/show_bug.cgi?id=198133


Participating hosts (11 -> 11)
------------------------------

  No changes in participating hosts


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

  * Linux: CI_DRM_8568 -> Patchwork_17837

  CI-20190529: 20190529
  CI_DRM_8568: 124bafc80c3ce62fc61b8eabb2657c87424b999b @ git://anongit.freedesktop.org/gfx-ci/linux
  IGT_5690: bea881189520a9cccbb1c1cb454ac5b6fdaea40e @ git://anongit.freedesktop.org/xorg/app/intel-gpu-tools
  Patchwork_17837: fe426e69f68a924170739c2e34f71a3771b37c0f @ 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_17837/index.html
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^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [Intel-gfx] [PATCH] drm/i915/tgl: Add Wa_1409371443
  2020-06-02  1:49 [Intel-gfx] [PATCH] drm/i915/tgl: Add Wa_1409371443 Aditya Swarup
  2020-06-02  2:30 ` [Intel-gfx] ✓ Fi.CI.BAT: success for " Patchwork
  2020-06-02 11:14 ` [Intel-gfx] ✓ Fi.CI.IGT: " Patchwork
@ 2020-06-25 17:32 ` Matt Atwood
  2 siblings, 0 replies; 4+ messages in thread
From: Matt Atwood @ 2020-06-25 17:32 UTC (permalink / raw)
  To: Aditya Swarup

On Mon, Jun 01, 2020 at 06:49:10PM -0700, Aditya Swarup wrote:
> Set GMBUS0 Pin Pair Select to 1 at boot and each FLR exit.
> Return GMBUS0 Pin Pair Select to 1 after GMBUS transactions are done.
> 
> Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
> Cc: Piotr Piórkowski <piotr.piorkowski@intel.com>
> Cc: Matt Roper <matthew.d.roper@intel.com>
> Cc: Jose Souza <jose.souza@intel.com>
> Signed-off-by: Aditya Swarup <aditya.swarup@intel.com>
> ---
>  drivers/gpu/drm/i915/display/intel_gmbus.c | 16 ++++++++++++++++
>  drivers/gpu/drm/i915/i915_reg.h            |  2 ++
>  2 files changed, 18 insertions(+)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_gmbus.c b/drivers/gpu/drm/i915/display/intel_gmbus.c
> index a8d119b6b45c..8dd5aa025c3f 100644
> --- a/drivers/gpu/drm/i915/display/intel_gmbus.c
> +++ b/drivers/gpu/drm/i915/display/intel_gmbus.c
> @@ -139,11 +139,19 @@ to_intel_gmbus(struct i2c_adapter *i2c)
>  	return container_of(i2c, struct intel_gmbus, adapter);
>  }
>  
> +static void gmbus0_wa_reset(struct drm_i915_private *dev_priv)
> +{
> +	intel_de_write(dev_priv, GMBUS0, 0 | GMBUS_PIN_PAIR_1);
or'ing with 0 doesnt make sense here, did you mean something else?
> +}
> +
>  void
>  intel_gmbus_reset(struct drm_i915_private *dev_priv)
>  {
>  	intel_de_write(dev_priv, GMBUS0, 0);
>  	intel_de_write(dev_priv, GMBUS4, 0);
> +	/* Wa_1409371443: tgl[a0] */
> +	if (IS_TGL_REVID(dev_priv, TGL_REVID_A0, TGL_REVID_A0))
> +		gmbus0_wa_reset(dev_priv);
>  }
>  
>  static void pnv_gmbus_clock_gating(struct drm_i915_private *dev_priv,
> @@ -299,6 +307,10 @@ intel_gpio_post_xfer(struct i2c_adapter *adapter)
>  
>  	if (IS_PINEVIEW(dev_priv))
>  		pnv_gmbus_clock_gating(dev_priv, true);
> +
> +	/* Wa_1409371443: tgl[a0] */
> +	if (IS_TGL_REVID(dev_priv, TGL_REVID_A0, TGL_REVID_A0))
> +		gmbus0_wa_reset(dev_priv);
>  }
>  
>  static void
> @@ -955,4 +967,8 @@ void intel_gmbus_teardown(struct drm_i915_private *dev_priv)
>  		bus = &dev_priv->gmbus[pin];
>  		i2c_del_adapter(&bus->adapter);
>  	}
> +
> +	/* Wa_1409371443: tgl[a0] */
> +	if (IS_TGL_REVID(dev_priv, TGL_REVID_A0, TGL_REVID_A0))
> +		gmbus0_wa_reset(dev_priv);
>  }
> diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
> index 578cfe11cbb9..a1640476cefb 100644
> --- a/drivers/gpu/drm/i915/i915_reg.h
> +++ b/drivers/gpu/drm/i915/i915_reg.h
> @@ -3337,6 +3337,8 @@ static inline bool i915_mmio_reg_valid(i915_reg_t reg)
>  #define   GMBUS_RATE_1MHZ	(3 << 8) /* reserved on Pineview */
>  #define   GMBUS_HOLD_EXT	(1 << 7) /* 300ns hold time, rsvd on Pineview */
>  #define   GMBUS_BYTE_CNT_OVERRIDE (1 << 6)
> +#define   GMBUS_PIN_PAIR_MASK	REG_GENMASK(4, 0)
> +#define   GMBUS_PIN_PAIR_1	REG_FIELD_PREP(GMBUS_PIN_PAIR_MASK, 1)
>  
>  #define GMBUS1			_MMIO(dev_priv->gpio_mmio_base + 0x5104) /* command/status */
>  #define   GMBUS_SW_CLR_INT	(1 << 31)
> -- 
> 2.26.2
> 
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx
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^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2020-06-25 17:32 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-06-02  1:49 [Intel-gfx] [PATCH] drm/i915/tgl: Add Wa_1409371443 Aditya Swarup
2020-06-02  2:30 ` [Intel-gfx] ✓ Fi.CI.BAT: success for " Patchwork
2020-06-02 11:14 ` [Intel-gfx] ✓ Fi.CI.IGT: " Patchwork
2020-06-25 17:32 ` [Intel-gfx] [PATCH] " Matt Atwood

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