Module: Mesa
Branch: master
Commit: 31f988a9d6d05f4aaea4d0455e509a5f6b667d9c
URL:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=31f988a9d6d05f4aaea4d0455e509a5f6b667d9c
Author: Marek Olšák <marek.ol...@amd.com>
Date: Wed Dec 7 23:01:56 2016 +0100
radeonsi: disable the constant engine (CE) on Carrizo and Stoney
It must be disabled until the kernel bug is fixed, and then we'll enable CE
based on the DRM version.
Cc: 12.0 13.0 <mesa-sta...@lists.freedesktop.org>
Reviewed-by: Nicolai Hähnle <nicolai.haeh...@amd.com>
---
src/gallium/drivers/radeonsi/si_pipe.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/src/gallium/drivers/radeonsi/si_pipe.c
b/src/gallium/drivers/radeonsi/si_pipe.c
index 71fc557..88685f9 100644
--- a/src/gallium/drivers/radeonsi/si_pipe.c
+++ b/src/gallium/drivers/radeonsi/si_pipe.c
@@ -187,7 +187,10 @@ static struct pipe_context *si_create_context(struct
pipe_screen *screen,
/* SI + AMDGPU + CE = GPU hang */
if (!(sscreen->b.debug_flags & DBG_NO_CE) && ws->cs_add_const_ib &&
- sscreen->b.chip_class != SI) {
+ sscreen->b.chip_class != SI &&
+ /* These can't use CE due to a power gating bug in the kernel. */
+ sscreen->b.family != CHIP_CARRIZO &&
+ sscreen->b.family != CHIP_STONEY) {
sctx->ce_ib = ws->cs_add_const_ib(sctx->b.gfx.cs);
if (!sctx->ce_ib)
goto fail;
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