From: Dave Airlie <airl...@redhat.com>
On constrained r100 systems compiz would fail to start due to a lack
of memory, we can just fallback place the objects rather than completely
failing it works a lot better.
Signed-off-by: Dave Airlie <airl...@redhat.com>
---
drivers/gpu/drm/radeon/radeon.h | 2 ++
drivers/gpu/drm/radeon/radeon_object.c | 10 +++++++---
2 files changed, 9 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 72ed251..69585bb 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -238,7 +238,9 @@ struct radeon_bo {
struct list_head list;
/* Protected by tbo.reserved */
u32 placements[3];
+ u32 busy_placements[3];
struct ttm_placement placement;
+ struct ttm_placement busy_placement;
struct ttm_buffer_object tbo;
struct ttm_bo_kmap_obj kmap;
unsigned pin_count;
diff --git a/drivers/gpu/drm/radeon/radeon_object.c
b/drivers/gpu/drm/radeon/radeon_object.c
index fc9d00a..3580c75 100644
--- a/drivers/gpu/drm/radeon/radeon_object.c
+++ b/drivers/gpu/drm/radeon/radeon_object.c
@@ -65,15 +65,19 @@ bool radeon_ttm_bo_is_radeon_bo(struct ttm_buffer_object
*bo)
void radeon_ttm_placement_from_domain(struct radeon_bo *rbo, u32 domain)
{
- u32 c = 0;
+ u32 c = 0, b = 0;
rbo->placement.fpfn = 0;
rbo->placement.lpfn = 0;
rbo->placement.placement = rbo->placements;
- rbo->placement.busy_placement = rbo->placements;
+ rbo->placement.busy_placement = rbo->busy_placements;
if (domain & RADEON_GEM_DOMAIN_VRAM)
rbo->placements[c++] = TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED |
TTM_PL_FLAG_VRAM;
+ /* add busy placement to TTM if VRAM is only option */
+ if (domain == RADEON_GEM_DOMAIN_VRAM) {
+ rbo->busy_placements[b++] = TTM_PL_MASK_CACHING |
TTM_PL_FLAG_TT;
+ }
if (domain & RADEON_GEM_DOMAIN_GTT)
rbo->placements[c++] = TTM_PL_MASK_CACHING | TTM_PL_FLAG_TT;
if (domain & RADEON_GEM_DOMAIN_CPU)
@@ -81,7 +85,7 @@ void radeon_ttm_placement_from_domain(struct radeon_bo *rbo,
u32 domain)
if (!c)
rbo->placements[c++] = TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM;
rbo->placement.num_placement = c;
- rbo->placement.num_busy_placement = c;
+ rbo->placement.num_busy_placement = b;
}
int radeon_bo_create(struct radeon_device *rdev, struct drm_gem_object *gobj,
--
1.6.6.1
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--
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