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path: root/drivers/gpu/drm/radeon/radeon_device.c
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Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_device.c')
-rw-r--r--drivers/gpu/drm/radeon/radeon_device.c22
1 files changed, 17 insertions, 5 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index 63398ae1dbf5..e887641ba003 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -1003,16 +1003,28 @@ static void radeon_check_arguments(struct radeon_device *rdev)
radeon_vram_limit = 0;
}
+ if (radeon_gart_size == -1) {
+ /* default to a larger gart size on newer asics */
+ if (rdev->family >= CHIP_RV770)
+ radeon_gart_size = 1024;
+ else
+ radeon_gart_size = 512;
+ }
/* gtt size must be power of two and greater or equal to 32M */
if (radeon_gart_size < 32) {
- dev_warn(rdev->dev, "gart size (%d) too small forcing to 512M\n",
+ dev_warn(rdev->dev, "gart size (%d) too small\n",
radeon_gart_size);
- radeon_gart_size = 512;
-
+ if (rdev->family >= CHIP_RV770)
+ radeon_gart_size = 1024;
+ else
+ radeon_gart_size = 512;
} else if (!radeon_check_pot_argument(radeon_gart_size)) {
dev_warn(rdev->dev, "gart size (%d) must be a power of 2\n",
radeon_gart_size);
- radeon_gart_size = 512;
+ if (rdev->family >= CHIP_RV770)
+ radeon_gart_size = 1024;
+ else
+ radeon_gart_size = 512;
}
rdev->mc.gtt_size = (uint64_t)radeon_gart_size << 20;
@@ -1144,7 +1156,7 @@ int radeon_device_init(struct radeon_device *rdev,
rdev->family = flags & RADEON_FAMILY_MASK;
rdev->is_atom_bios = false;
rdev->usec_timeout = RADEON_MAX_USEC_TIMEOUT;
- rdev->mc.gtt_size = radeon_gart_size * 1024 * 1024;
+ rdev->mc.gtt_size = 512 * 1024 * 1024;
rdev->accel_working = false;
/* set up ring ids */
for (i = 0; i < RADEON_NUM_RINGS; i++) {