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radeonsi: disable the constant engine (CE) on Carrizo and Stoney

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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-stable@lists.freedesktop.org>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
This commit is contained in:
Marek Olšák 2016-12-07 23:01:56 +01:00
parent 26ba8c920d
commit 31f988a9d6
1 changed files with 4 additions and 1 deletions
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5
src/gallium/drivers/radeonsi/si_pipe.c
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@ -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;