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From 7a9bdadd71730adc5266bc6758982abec5917b93 Mon Sep 17 00:00:00 2001
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From: Chris Wilson <chris@chris-wilson.co.uk>
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Date: Wed, 22 Oct 2014 19:31:10 +0100
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Subject: [PATCH] sna/gen8: Clamp URB allocations for GT3
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GT3 requires some reserved space in the URB allocation and so we must
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reduce the amount we allocate to our vertices.
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Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=81583
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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---
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src/sna/gen8_render.c | 10 +++++-----
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1 file changed, 5 insertions(+), 5 deletions(-)
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diff --git a/src/sna/gen8_render.c b/src/sna/gen8_render.c
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index 1eac5a7..a6a5dd2 100644
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--- a/src/sna/gen8_render.c
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+++ b/src/sna/gen8_render.c
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@@ -462,21 +462,21 @@ gen8_emit_urb(struct sna *sna)
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{
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/* num of VS entries must be divisible by 8 if size < 9 */
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OUT_BATCH(GEN8_3DSTATE_URB_VS | (2 - 2));
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- OUT_BATCH(1024 << URB_ENTRY_NUMBER_SHIFT |
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+ OUT_BATCH(960 << URB_ENTRY_NUMBER_SHIFT |
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(2 - 1) << URB_ENTRY_SIZE_SHIFT |
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- 0 << URB_STARTING_ADDRESS_SHIFT);
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+ 4 << URB_STARTING_ADDRESS_SHIFT);
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OUT_BATCH(GEN8_3DSTATE_URB_HS | (2 - 2));
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OUT_BATCH(0 << URB_ENTRY_SIZE_SHIFT |
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- 0 << URB_STARTING_ADDRESS_SHIFT);
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+ 4 << URB_STARTING_ADDRESS_SHIFT);
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OUT_BATCH(GEN8_3DSTATE_URB_DS | (2 - 2));
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OUT_BATCH(0 << URB_ENTRY_SIZE_SHIFT |
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- 0 << URB_STARTING_ADDRESS_SHIFT);
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+ 4 << URB_STARTING_ADDRESS_SHIFT);
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OUT_BATCH(GEN8_3DSTATE_URB_GS | (2 - 2));
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OUT_BATCH(0 << URB_ENTRY_SIZE_SHIFT |
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- 0 << URB_STARTING_ADDRESS_SHIFT);
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+ 4 << URB_STARTING_ADDRESS_SHIFT);
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}
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static void
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--
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2.1.0
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