Module: Mesa
Branch: master
Commit: 482f2e24b59086bcc1515663167744c707d1c82c
URL:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=482f2e24b59086bcc1515663167744c707d1c82c
Author: Eric Anholt <e...@anholt.net>
Date: Thu Apr 12 15:19:42 2018 -0700
broadcom/vc5: Don't allocate simulator BOs at offset 0.
The kernel won't return us BOs at offset 0 (because things like OQs
wouldn't work there), so we shouldn't in the simulator either.
---
src/gallium/drivers/vc5/vc5_simulator.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/src/gallium/drivers/vc5/vc5_simulator.c
b/src/gallium/drivers/vc5/vc5_simulator.c
index ee4ffb28c0..5fbcad346a 100644
--- a/src/gallium/drivers/vc5/vc5_simulator.c
+++ b/src/gallium/drivers/vc5/vc5_simulator.c
@@ -594,7 +594,11 @@ vc5_simulator_init_global(const struct v3d_device_info
*devinfo)
v3d_hw_get_mem(sim_state.v3d, &sim_state.mem_size,
&sim_state.mem);
- sim_state.heap = u_mmInit(0, sim_state.mem_size);
+ /* Allocate from anywhere from 4096 up. We don't allocate at 0,
+ * because for OQs and some other addresses in the HW, 0 means
+ * disabled.
+ */
+ sim_state.heap = u_mmInit(4096, sim_state.mem_size - 4096);
/* Make a block of 0xd0 at address 0 to make sure we don't screw up
* and land there.
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