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authorChris Wilson <chris@chris-wilson.co.uk>2019-12-30 17:58:21 +0100
committerChris Wilson <chris@chris-wilson.co.uk>2019-12-30 21:32:07 +0100
commit2b64e616d5527063f528321c391a9bc825715b93 (patch)
treef765629c3c111cf32fa0146eca9a7c602960aa62
parentdrm/i915/selftests: Flush the context worker (diff)
downloadlinux-2b64e616d5527063f528321c391a9bc825715b93.tar.xz
linux-2b64e616d5527063f528321c391a9bc825715b93.zip
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 <chris@chris-wilson.co.uk> Acked-by: Matthew Auld <matthew.auld@intel.com> Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191230165821.3840449-2-chris@chris-wilson.co.uk
-rw-r--r--drivers/gpu/drm/i915/gt/intel_lrc.c1
1 files changed, 0 insertions, 1 deletions
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,