From 7b4276d7acf2e0f77044cb50caa6ad936fa78786 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Michel=20D=C3=A4nzer?= Date: Tue, 26 Aug 2014 18:21:50 +0900 Subject: [PATCH] r600g,radeonsi: Always use GTT again for PIPE_USAGE_STREAM buffers Putting those in VRAM can cause long pauses due to buffers being moved into / out of VRAM. Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=84662 Cc: mesa-stable@lists.freedesktop.org Reviewed-by: Alex Deucher --- src/gallium/drivers/radeon/r600_buffer_common.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/src/gallium/drivers/radeon/r600_buffer_common.c b/src/gallium/drivers/radeon/r600_buffer_common.c index 227a221bb7e..b7306d7bf34 100644 --- a/src/gallium/drivers/radeon/r600_buffer_common.c +++ b/src/gallium/drivers/radeon/r600_buffer_common.c @@ -110,11 +110,13 @@ bool r600_init_resource(struct r600_common_screen *rscreen, enum radeon_bo_flag flags = 0; switch (res->b.b.usage) { + case PIPE_USAGE_STREAM: + flags = RADEON_FLAG_GTT_WC; + /* fall through */ case PIPE_USAGE_STAGING: /* Transfers are likely to occur more often with these resources. */ res->domains = RADEON_DOMAIN_GTT; break; - case PIPE_USAGE_STREAM: case PIPE_USAGE_DYNAMIC: /* Older kernels didn't always flush the HDP cache before * CS execution -- 2.30.2