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Commit 68bee615 authored by Chris Wilson's avatar Chris Wilson
Browse files

drm/i915: Remove BXT disable pixel mask clamping w/a 



This w/a (WaSetDisablePixMaskCammingAndRhwoInCommonSliceChicken) was only
used for preproduction hw, which is no longer in use. Remove the
workaround to simplify the code.

Signed-off-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170123130601.2281-4-chris@chris-wilson.co.uk


Reviewed-by: default avatarJoonas Lahtinen <joonas.lahtinen@linux.intel.com>
parent 32ebc292

drivers/gpu/drm/i915/intel_lrc.c

+0 −9
Original line number Diff line number Diff line
@@ -1170,15 +1170,6 @@ static int gen9_init_perctx_bb(struct intel_engine_cs *engine, 
{

	uint32_t index = wa_ctx_start(wa_ctx, *offset, CACHELINE_DWORDS);



	/* WaSetDisablePixMaskCammingAndRhwoInCommonSliceChicken:bxt */

	if (IS_BXT_REVID(engine->i915, 0, BXT_REVID_A1)) {

		wa_ctx_emit(batch, index, MI_LOAD_REGISTER_IMM(1));

		wa_ctx_emit_reg(batch, index, GEN9_SLICE_COMMON_ECO_CHICKEN0);

		wa_ctx_emit(batch, index,

			    _MASKED_BIT_ENABLE(DISABLE_PIXEL_MASK_CAMMING));

		wa_ctx_emit(batch, index, MI_NOOP);

	}



	/* WaClearTdlStateAckDirtyBits:bxt */

	if (IS_BXT_REVID(engine->i915, 0, BXT_REVID_B0)) {

		wa_ctx_emit(batch, index, MI_LOAD_REGISTER_IMM(4));