From 4ab2ac334921ae9bbd1791adaf8977fccf744580 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Marek=20Ol=C5=A1=C3=A1k?= Date: Tue, 15 Mar 2016 21:49:54 +0100 Subject: [PATCH] radeonsi: fix Hyper-Z hangs on P2 configs MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Cc: 11.1 11.2 Reviewed-by: Nicolai Hähnle --- src/gallium/drivers/radeon/r600_texture.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/src/gallium/drivers/radeon/r600_texture.c b/src/gallium/drivers/radeon/r600_texture.c index 1ad70765781..c573b438b01 100644 --- a/src/gallium/drivers/radeon/r600_texture.c +++ b/src/gallium/drivers/radeon/r600_texture.c @@ -638,8 +638,14 @@ static unsigned r600_texture_get_htile_size(struct r600_common_screen *rscreen, rscreen->info.drm_major == 2 && rscreen->info.drm_minor < 38) return 0; - /* Overalign HTILE on Stoney to fix piglit/depthstencil-render-miplevels 585. */ - if (rscreen->family == CHIP_STONEY) + /* Overalign HTILE on P2 configs to work around GPU hangs in + * piglit/depthstencil-render-miplevels 585. + * + * This has been confirmed to help Kabini & Stoney, where the hangs + * are always reproducible. I think I have seen the test hang + * on Carrizo too, though it was very rare there. + */ + if (rscreen->chip_class >= CIK && num_pipes < 4) num_pipes = 4; switch (num_pipes) {