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radeonsi: update clip_regs if clip_disable changes to fix a hang

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This seems to fix the GPU hangs caused by:

commit ed3190b3f3
Author: Marek Olšák <marek.olsak@amd.com>
Date:   Sun Nov 13 18:41:43 2016 +0100

    radeonsi: don't export ClipVertex and ClipDistance[] if clipping is disabled

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=99219

Tested-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
This commit is contained in:
Marek Olšák
2017-01-03 11:02:41 +01:00
parent c7affbf687
commit 3753dc896d
1 changed files with 5 additions and 0 deletions
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src/gallium/drivers/radeonsi/si_state_shaders.c
+5
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@@ -2370,6 +2370,8 @@ bool si_update_shaders(struct si_context *sctx)
{
struct pipe_context *ctx = (struct pipe_context*)sctx;
struct si_state_rasterizer *rs = sctx->queued.named.rasterizer;
struct si_shader *old_vs = si_get_vs_state(sctx);
bool old_clip_disable = old_vs ? old_vs->key.opt.hw_vs.clip_disable : false;
int r;
/* Update stages before GS. */
@@ -2450,6 +2452,9 @@ bool si_update_shaders(struct si_context *sctx)
si_update_vgt_shader_config(sctx);
if (old_clip_disable != si_get_vs_state(sctx)->key.opt.hw_vs.clip_disable)
si_mark_atom_dirty(sctx, &sctx->clip_regs);
if (sctx->ps_shader.cso) {
unsigned db_shader_control;