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authorMarek Olšák <marek.olsak@amd.com>2014-08-06 02:11:04 +0200
committerMarek Olšák <marek.olsak@amd.com>2014-08-09 23:41:15 +0200
commit515269b3a73cd64ac9c017e8b3c698be9a5383f6 (patch)
treecc68e9fda5c06f7b0d3ce72ad85a25799568319f /src/gallium
parent085a86154553d86f8e4296b4c732901f781bdfd8 (diff)
radeonsi: fix a hang with instancing in Unigine Heaven/Valley on Hawaii
This isn't documented anywhere, but it's the only thing that works for this case. Cc: mesa-stable@lists.freedesktop.org Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'src/gallium')
-rw-r--r--src/gallium/drivers/radeonsi/si_state_draw.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/src/gallium/drivers/radeonsi/si_state_draw.c b/src/gallium/drivers/radeonsi/si_state_draw.c
index eb21ba1c906..4e808a3eedf 100644
--- a/src/gallium/drivers/radeonsi/si_state_draw.c
+++ b/src/gallium/drivers/radeonsi/si_state_draw.c
@@ -411,14 +411,11 @@ static bool si_update_draw_info_state(struct si_context *sctx,
bool ia_switch_on_eop = wd_switch_on_eop;
unsigned primgroup_size = 64;
- /* Hawaii hangs if instancing is enabled and each instance
- * is smaller than a prim group and WD_SWITCH_ON_EOP is 0.
+ /* Hawaii hangs if instancing is enabled and WD_SWITCH_ON_EOP is 0.
* We don't know that for indirect drawing, so treat it as
* always problematic. */
if (sctx->b.family == CHIP_HAWAII &&
- (info->indirect ||
- (info->instance_count > 1 &&
- u_prims_for_vertices(info->mode, info->count) < primgroup_size))) {
+ (info->indirect || info->instance_count > 1)) {
wd_switch_on_eop = true;
ia_switch_on_eop = true;
}