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drm/i915: Transform WaDisableDynamicCreditSharing into a simple register write

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GAMT_CHKN_BIT_REG does not live in the context image.

Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Oscar Mateo <oscar.mateo@intel.com>
Reviewed-by: Michał Winiarski <michal.winiarski@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1504798809-5653-5-git-send-email-oscar.mateo@intel.com
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Oscar Mateo 2017-09-07 08:40:08 -07:00 committed by Chris Wilson
parent 4827c547c5
commit c6ea497c40
1 changed files with 3 additions and 2 deletions
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5
drivers/gpu/drm/i915/intel_engine_cs.c
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@ -1130,8 +1130,9 @@ static int kbl_init_workarounds(struct intel_engine_cs *engine)
/* WaDisableDynamicCreditSharing:kbl */
if (IS_KBL_REVID(dev_priv, 0, KBL_REVID_B0))
WA_SET_BIT(GAMT_CHKN_BIT_REG,
GAMT_CHKN_DISABLE_DYNAMIC_CREDIT_SHARING);
I915_WRITE(GAMT_CHKN_BIT_REG,
(I915_READ(GAMT_CHKN_BIT_REG) |
GAMT_CHKN_DISABLE_DYNAMIC_CREDIT_SHARING));
/* WaDisableFenceDestinationToSLM:kbl (pre-prod) */
if (IS_KBL_REVID(dev_priv, KBL_REVID_A0, KBL_REVID_A0))