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| author | Mika Kuoppala <mika.kuoppala@linux.intel.com> | 2019-10-15 17:44:45 +0200 |
|---|---|---|
| committer | Chris Wilson <chris@chris-wilson.co.uk> | 2019-10-15 19:22:07 +0200 |
| commit | 2cbe2d8c562eab58347b39342e37c7a2adbe7fef (patch) | |
| tree | bbe868a41b9288e2decf04ef14ed0137a4d4b66b /drivers/gpu/drm/i915/gt/intel_workarounds.c | |
| parent | drm/i915/tgl: Wa_1409420604 (diff) | |
| download | linux-2cbe2d8c562eab58347b39342e37c7a2adbe7fef.tar.xz linux-2cbe2d8c562eab58347b39342e37c7a2adbe7fef.zip | |
drm/i915/tgl: Wa_1409170338
Avoid possible hang in tsg,vfe units by keeping
l3 clocks runnings.
Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20191015154449.10338-7-mika.kuoppala@linux.intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/gt/intel_workarounds.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_workarounds.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c index 7fea61b00b99..4f9be2eee132 100644 --- a/drivers/gpu/drm/i915/gt/intel_workarounds.c +++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c @@ -907,6 +907,12 @@ tgl_gt_workarounds_init(struct drm_i915_private *i915, struct i915_wa_list *wal) wa_write_or(wal, SUBSLICE_UNIT_LEVEL_CLKGATE2, CPSSUNIT_CLKGATE_DIS); + + /* Wa_1409180338:tgl */ + if (IS_TGL_REVID(i915, TGL_REVID_A0, TGL_REVID_A0)) + wa_write_or(wal, + SLICE_UNIT_LEVEL_CLKGATE, + L3_CLKGATE_DIS | L3_CR2X_CLKGATE_DIS); } static void |