Needed by userspace for 2D tiled buffer alignment
Signed-off-by: Alex Deucher alexdeucher@gmail.com --- drivers/gpu/drm/radeon/evergreen.c | 8 ++++++-- 1 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index 296e6ec..7c37638 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -1936,8 +1936,12 @@ static void evergreen_gpu_init(struct radeon_device *rdev) rdev->config.evergreen.tile_config |= (3 << 0); break; } - rdev->config.evergreen.tile_config |= - ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) << 4; + /* num banks is 8 on all fusion asics */ + if (rdev->flags & RADEON_IS_IGP) + rdev->config.evergreen.tile_config |= 8 << 4; + else + rdev->config.evergreen.tile_config |= + ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) << 4; rdev->config.evergreen.tile_config |= ((mc_arb_ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT) << 8; rdev->config.evergreen.tile_config |=