drm/radeon/kms: force pinning buffer into visible VRAM
This patch properly set visible VRAM and enforce any pinned buffer
to be into visible VRAM. We might later add a flag to release this
constraint for some newer hw more clever than previous.
Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 3f973d4..bd2e7aa 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -474,6 +474,7 @@
/* size in MB on evergreen */
rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024;
rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024;
+ rdev->mc.visible_vram_size = rdev->mc.aper_size;
/* FIXME remove this once we support unmappable VRAM */
if (rdev->mc.mc_vram_size > rdev->mc.aper_size) {
rdev->mc.mc_vram_size = rdev->mc.aper_size;
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 1fdd793..91eb762 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -1958,9 +1958,12 @@
u64 config_aper_size;
/* work out accessible VRAM */
- rdev->mc.visible_vram_size = r100_get_accessible_vram(rdev);
rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0);
rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0);
+ rdev->mc.visible_vram_size = r100_get_accessible_vram(rdev);
+ /* FIXME we don't use the second aperture yet when we could use it */
+ if (rdev->mc.visible_vram_size > rdev->mc.aper_size)
+ rdev->mc.visible_vram_size = rdev->mc.aper_size;
config_aper_size = RREG32(RADEON_CONFIG_APER_SIZE);
if (rdev->flags & RADEON_IS_IGP) {
uint32_t tom;
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index b3c7e0f..f9a8335 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -712,6 +712,7 @@
/* Setup GPU memory space */
rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
+ rdev->mc.visible_vram_size = rdev->mc.aper_size;
/* FIXME remove this once we support unmappable VRAM */
if (rdev->mc.mc_vram_size > rdev->mc.aper_size) {
rdev->mc.mc_vram_size = rdev->mc.aper_size;
diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c
index f1da370..fc9d00a 100644
--- a/drivers/gpu/drm/radeon/radeon_object.c
+++ b/drivers/gpu/drm/radeon/radeon_object.c
@@ -178,7 +178,6 @@
{
int r, i;
- radeon_ttm_placement_from_domain(bo, domain);
if (bo->pin_count) {
bo->pin_count++;
if (gpu_addr)
@@ -186,6 +185,8 @@
return 0;
}
radeon_ttm_placement_from_domain(bo, domain);
+ /* force to pin into visible video ram */
+ bo->placement.lpfn = bo->rdev->mc.visible_vram_size >> PAGE_SHIFT;
for (i = 0; i < bo->placement.num_placement; i++)
bo->placements[i] |= TTM_PL_FLAG_NO_EVICT;
r = ttm_bo_validate(&bo->tbo, &bo->placement, false, false);
diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c
index d5aeb2a..47f046b 100644
--- a/drivers/gpu/drm/radeon/rs600.c
+++ b/drivers/gpu/drm/radeon/rs600.c
@@ -462,12 +462,13 @@
{
u64 base;
+ rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0);
+ rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0);
rdev->mc.vram_is_ddr = true;
rdev->mc.vram_width = 128;
rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE);
rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
- rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0);
- rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0);
+ rdev->mc.visible_vram_size = rdev->mc.aper_size;
rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev);
base = RREG32_MC(R_000004_MC_FB_LOCATION);
base = G_000004_MC_FB_START(base) << 16;
diff --git a/drivers/gpu/drm/radeon/rs690.c b/drivers/gpu/drm/radeon/rs690.c
index 8d37501..83b9174 100644
--- a/drivers/gpu/drm/radeon/rs690.c
+++ b/drivers/gpu/drm/radeon/rs690.c
@@ -141,6 +141,7 @@
rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0);
rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0);
+ rdev->mc.visible_vram_size = rdev->mc.aper_size;
base = RREG32_MC(R_000100_MCCFG_FB_LOCATION);
base = G_000100_MC_FB_START(base) << 16;
rs690_pm_info(rdev);
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index 88356b0..37887de 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -901,6 +901,7 @@
/* Setup GPU memory space */
rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
+ rdev->mc.visible_vram_size = rdev->mc.aper_size;
/* FIXME remove this once we support unmappable VRAM */
if (rdev->mc.mc_vram_size > rdev->mc.aper_size) {
rdev->mc.mc_vram_size = rdev->mc.aper_size;