Calculate height based on the slice bitfield rather than the size. Same as Dave's CB fix.
Signed-off-by: Alex Deucher alexdeucher@gmail.com --- drivers/gpu/drm/radeon/r600_cs.c | 14 ++++++++------ 1 files changed, 8 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/radeon/r600_cs.c b/drivers/gpu/drm/radeon/r600_cs.c index 0d29065..6291278 100644 --- a/drivers/gpu/drm/radeon/r600_cs.c +++ b/drivers/gpu/drm/radeon/r600_cs.c @@ -310,7 +310,7 @@ static int r600_cs_track_check(struct radeon_cs_parser *p) /* Check depth buffer */ if (G_028800_STENCIL_ENABLE(track->db_depth_control) || G_028800_Z_ENABLE(track->db_depth_control)) { - u32 nviews, bpe, ntiles, pitch, pitch_align, height, size; + u32 nviews, bpe, ntiles, pitch, pitch_align, height, size, slice_tile_max; if (track->db_bo == NULL) { dev_warn(p->dev, "z/stencil with no depth buffer\n"); return -EINVAL; @@ -354,11 +354,11 @@ static int r600_cs_track_check(struct radeon_cs_parser *p) } else { size = radeon_bo_size(track->db_bo); pitch = G_028000_PITCH_TILE_MAX(track->db_depth_size) + 1; - height = size / (pitch * 8 * bpe); - height &= ~0x7; - if (!height) - height = 8; - + slice_tile_max = G_028000_SLICE_TILE_MAX(track->db_depth_size) + 1; + slice_tile_max *= 64; + height = slice_tile_max / (pitch * 8); + if (height > 8192) + height = 8192; switch (G_028010_ARRAY_MODE(track->db_depth_info)) { case V_028010_ARRAY_1D_TILED_THIN1: pitch_align = (max((u32)8, (u32)(track->group_size / (8 * bpe))) / 8); @@ -367,6 +367,8 @@ static int r600_cs_track_check(struct radeon_cs_parser *p) __func__, __LINE__, pitch); return -EINVAL; } + /* don't break userspace */ + height &= ~0x7; if (!IS_ALIGNED(height, 8)) { dev_warn(p->dev, "%s:%d db height (%d) invalid\n", __func__, __LINE__, height);