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| author | Alex Deucher <alexander.deucher@amd.com> | 2013-07-05 23:16:51 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-08-30 22:30:00 +0200 |
| commit | edcd26e81f71ffecdda0c28b25f07feeddae42db (patch) | |
| tree | f7877a188d432c88d3cfa972ad27d925cf4d0785 /drivers/gpu/drm/radeon/radeon_device.c | |
| parent | drm/radeon/dpm: rework thermal state handling (diff) | |
| download | linux-edcd26e81f71ffecdda0c28b25f07feeddae42db.tar.xz linux-edcd26e81f71ffecdda0c28b25f07feeddae42db.zip | |
drm/radeon: default to 1024M gart size on rv770+
Newer asics have a lot of vram so it's less of an
issue to waste a little more space for the gart
page table. This gives us some additional gart space
before having to migrate to non-gart system ram
for games, etc. where we use up most of vram.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_device.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_device.c | 22 |
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++) { |