From 2b64e616d5527063f528321c391a9bc825715b93 Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Mon, 30 Dec 2019 16:58:21 +0000 Subject: [PATCH] drm/i915/gt: Leave RING_BB_STATE to default value Do not reset RING_BB_STATE, leaving it to the default state value. This prevents bdw/bsw from getting confused when executing batches from the GGTT. Signed-off-by: Chris Wilson Acked-by: Matthew Auld Reviewed-by: Mika Kuoppala Link: https://patchwork.freedesktop.org/patch/msgid/20191230165821.3840449-2-chris@chris-wilson.co.uk --- drivers/gpu/drm/i915/gt/intel_lrc.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c index 14e7e179855f..00895f83f61e 100644 --- a/drivers/gpu/drm/i915/gt/intel_lrc.c +++ b/drivers/gpu/drm/i915/gt/intel_lrc.c @@ -3968,7 +3968,6 @@ static void init_common_reg_state(u32 * const regs, CTX_CTRL_RS_CTX_ENABLE); regs[CTX_RING_CTL] = RING_CTL_SIZE(ring->size) | RING_VALID; - regs[CTX_BB_STATE] = RING_BB_PPGTT; } static void init_wa_bb_reg_state(u32 * const regs, -- 2.17.1