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drm/i915/guc: Drop legacy workarounds from guc_prepare_xfer

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We don't keep the workarounds for pre-production hardware
(see intel_detect_preproduction_hw) thus we can drop some
extra steps during firmware upload needed only for unsupported
platforms.

Suggested-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Sagar Arun Kamble <sagar.a.kamble@intel.com>
Reviewed-by: Sagar Arun Kamble <sagar.a.kamble@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171103151816.62048-3-michal.wajdeczko@intel.com
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Michal Wajdeczko 2017-11-03 15:18:14 +00:00 committed by Chris Wilson
parent a86af2314a
commit e684336376
1 changed files with 0 additions and 10 deletions
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10
drivers/gpu/drm/i915/intel_guc_fw.c
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@ -104,16 +104,6 @@ static void guc_prepare_xfer(struct intel_guc *guc)
/* Enable MIA caching. GuC clock gating is disabled. */
I915_WRITE(GUC_SHIM_CONTROL, GUC_SHIM_CONTROL_VALUE);
/* WaDisableMinuteIaClockGating:bxt */
if (IS_BXT_REVID(dev_priv, 0, BXT_REVID_A1)) {
I915_WRITE(GUC_SHIM_CONTROL, (I915_READ(GUC_SHIM_CONTROL) &
~GUC_ENABLE_MIA_CLOCK_GATING));
}
/* WaC6DisallowByGfxPause:bxt */
if (IS_BXT_REVID(dev_priv, 0, BXT_REVID_B0))
I915_WRITE(GEN6_GFXPAUSE, 0x30FFF);
if (IS_GEN9_LP(dev_priv))
I915_WRITE(GEN9LP_GT_PM_CONFIG, GT_DOORBELL_ENABLE);
else