drm/radeon/kms: fix 2D tile height alignment in the r600 CS checker

macro tile heights are aligned to num channels, not num banks.

Noticed by Dave Airlie.

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/gpu/drm/radeon/r600_cs.c b/drivers/gpu/drm/radeon/r600_cs.c
index f82832780a7e..41802915f93f 100644
--- a/drivers/gpu/drm/radeon/r600_cs.c
+++ b/drivers/gpu/drm/radeon/r600_cs.c
@@ -229,7 +229,7 @@ static inline int r600_cs_track_validate_cb(struct radeon_cs_parser *p, int i)
                                 __func__, __LINE__, pitch);
                         return -EINVAL;
                 }
-                if (!IS_ALIGNED((height / 8), track->nbanks)) {
+                if (!IS_ALIGNED((height / 8), track->npipes)) {
                         dev_warn(p->dev, "%s:%d cb height (%d) invalid\n",
                                  __func__, __LINE__, height);
                         return -EINVAL;
@@ -378,7 +378,7 @@ static int r600_cs_track_check(struct radeon_cs_parser *p)
                                                  __func__, __LINE__, pitch);
                                         return -EINVAL;
                                 }
-                                if ((height / 8) & (track->nbanks - 1)) {
+                                if (!IS_ALIGNED((height / 8), track->npipes)) {
                                         dev_warn(p->dev, "%s:%d db height (%d) invalid\n",
                                                  __func__, __LINE__, height);
                                         return -EINVAL;