From 5bb39e818169783ee17ddbbefbd7bd16a4383fec Mon Sep 17 00:00:00 2001
From: Thomas Hellstrom <thellstrom@vmware.com>
Date: Tue, 4 Oct 2011 20:13:33 +0200
Subject: vmwgfx: Handle device surface memory limit
Make surfaces swappable. Make sure we honor the maximum amount of surface
memory the device accepts. This is done by potentially reading back surface
contents not used by the current command submission and storing it
locally in buffer objects.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---
drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
(limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c')
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c b/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c
index 98a5d7e90546..5a72ed908232 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_buffer.c
@@ -60,6 +60,11 @@ static uint32_t vram_gmr_placement_flags[] = {
VMW_PL_FLAG_GMR | TTM_PL_FLAG_CACHED
};
+static uint32_t gmr_vram_placement_flags[] = {
+ VMW_PL_FLAG_GMR | TTM_PL_FLAG_CACHED,
+ TTM_PL_FLAG_VRAM | TTM_PL_FLAG_CACHED
+};
+
struct ttm_placement vmw_vram_gmr_placement = {
.fpfn = 0,
.lpfn = 0,
@@ -125,6 +130,15 @@ struct ttm_placement vmw_evictable_placement = {
.busy_placement = &sys_placement_flags
};
+struct ttm_placement vmw_srf_placement = {
+ .fpfn = 0,
+ .lpfn = 0,
+ .num_placement = 1,
+ .num_busy_placement = 2,
+ .placement = &gmr_placement_flags,
+ .busy_placement = gmr_vram_placement_flags
+};
+
struct vmw_ttm_backend {
struct ttm_backend backend;
struct page **pages;
--
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