diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2015-08-31 11:15:05 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2015-08-31 11:38:30 -0400 |
| commit | 7040c399aea2b0213a9aefd73e507369a6d641d6 (patch) | |
| tree | 23cd5f19fc9b4b3496bcd3a488585ed800633869 | |
| parent | 3f8340cc72c9a1a4b49bce7802afd7f248400ef5 (diff) | |
| download | drm-exynos-7040c399aea2b0213a9aefd73e507369a6d641d6.tar.gz | |
drm/radeon/native: Send out the full AUX address
AUX addresses are 20 bits long. Send out the entire address instead of
just the low 16 bits.
Port of:
drm/radeon/atom: Send out the full AUX address
to radeon non-atom aux path
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_dp_auxch.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_dp_auxch.c b/drivers/gpu/drm/radeon/radeon_dp_auxch.c index fcbd60bb03495..3b0c229d7dcd2 100644 --- a/drivers/gpu/drm/radeon/radeon_dp_auxch.c +++ b/drivers/gpu/drm/radeon/radeon_dp_auxch.c @@ -116,8 +116,8 @@ radeon_dp_aux_transfer_native(struct drm_dp_aux *aux, struct drm_dp_aux_msg *msg AUX_SW_WR_BYTES(bytes)); /* write the data header into the registers */ - /* request, addres, msg size */ - byte = (msg->request << 4); + /* request, address, msg size */ + byte = (msg->request << 4) | ((msg->address >> 16) & 0xf); WREG32(AUX_SW_DATA + aux_offset[instance], AUX_SW_DATA_MASK(byte) | AUX_SW_AUTOINCREMENT_DISABLE); |