drm/radeon/kms: fix bad shift in atom iio table parser

Noticed by Patrick Lowry.

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

diff --git a/drivers/gpu/drm/radeon/atom.c b/drivers/gpu/drm/radeon/atom.c
index d71d375..7bd7456 100644 (file)
--- a/drivers/gpu/drm/radeon/atom.c
+++ b/drivers/gpu/drm/radeon/atom.c
@@ -135,7 +135,7 @@ static uint32_t atom_iio_execute(struct atom_context *ctx, int base,
                case ATOM_IIO_MOVE_INDEX:
                        temp &=
                            ~((0xFFFFFFFF >> (32 - CU8(base + 1))) <<
-                             CU8(base + 2));
+                             CU8(base + 3));
                        temp |=
                            ((index >> CU8(base + 2)) &
                             (0xFFFFFFFF >> (32 - CU8(base + 1)))) << CU8(base +
@@ -145,7 +145,7 @@ static uint32_t atom_iio_execute(struct atom_context *ctx, int base,
                case ATOM_IIO_MOVE_DATA:
                        temp &=
                            ~((0xFFFFFFFF >> (32 - CU8(base + 1))) <<
-                             CU8(base + 2));
+                             CU8(base + 3));
                        temp |=
                            ((data >> CU8(base + 2)) &
                             (0xFFFFFFFF >> (32 - CU8(base + 1)))) << CU8(base +
@@ -155,7 +155,7 @@ static uint32_t atom_iio_execute(struct atom_context *ctx, int base,
                case ATOM_IIO_MOVE_ATTR:
                        temp &=
                            ~((0xFFFFFFFF >> (32 - CU8(base + 1))) <<
-                             CU8(base + 2));
+                             CU8(base + 3));
                        temp |=
                            ((ctx->
                              io_attr >> CU8(base + 2)) & (0xFFFFFFFF >> (32 -