drm/radeon: fix reading CB_COLORn_MASK from the CS

Signed-off-by: Marek Olšák <maraeo@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/radeon/r600_cs.c b/drivers/gpu/drm/radeon/r600_cs.c
index ab74e6b..7799e28 100644 (file)
--- a/drivers/gpu/drm/radeon/r600_cs.c
+++ b/drivers/gpu/drm/radeon/r600_cs.c
@@ -1416,7 +1416,7 @@ static int r600_cs_check_reg(struct radeon_cs_parser *p, u32 reg, u32 idx)
        case R_028118_CB_COLOR6_MASK:
        case R_02811C_CB_COLOR7_MASK:
                tmp = (reg - R_028100_CB_COLOR0_MASK) / 4;
-               track->cb_color_mask[tmp] = ib[idx];
+               track->cb_color_mask[tmp] = radeon_get_ib_value(p, idx);
                if (G_0280A0_TILE_MODE(track->cb_color_info[tmp])) {
                        track->cb_dirty = true;
                }