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drm/i915: Remove cnl pre-prod workarounds

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Remove all the stepping dependent cnl workarounds. Bspec lists
more steppings than this so presumably these are classed as
pre-production. And this is cnl after all so no one should
really care anyway.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200430125822.21985-2-ville.syrjala@linux.intel.com
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Ville Syrjälä
2020-04-30 15:58:22 +03:00
parent 25444ca6cb
commit dab3aff7b1
4 changed files with 2 additions and 33 deletions
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7
drivers/gpu/drm/i915/intel_pm.c
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@@ -5255,10 +5255,6 @@ static void skl_compute_transition_wm(const struct intel_crtc_state *crtc_state,
trans_offset_b;
} else {
res_blocks = wm0_sel_res_b + trans_offset_b;
/* WA BUG:1938466 add one block for non y-tile planes */
if (IS_CNL_REVID(dev_priv, CNL_REVID_A0, CNL_REVID_A0))
res_blocks += 1;
}
/*
@@ -6978,9 +6974,6 @@ static void cnl_init_clock_gating(struct drm_i915_private *dev_priv)
val = I915_READ(SLICE_UNIT_LEVEL_CLKGATE);
/* ReadHitWriteOnlyDisable:cnl */
val |= RCCUNIT_CLKGATE_DIS;
/* WaSarbUnitClockGatingDisable:cnl (pre-prod) */
if (IS_CNL_REVID(dev_priv, CNL_REVID_A0, CNL_REVID_B0))
val |= SARBUNIT_CLKGATE_DIS;
I915_WRITE(SLICE_UNIT_LEVEL_CLKGATE, val);
/* Wa_2201832410:cnl */