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authorAlex Deucher <alexander.deucher@amd.com>2015-08-31 11:15:05 -0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-09-21 10:05:26 -0700
commit00f6fa71ff02e572f660f7971232e9f3a95c9838 (patch)
tree67bcaa95643dfa4508761faf16fe43c902a1c5ad /drivers/gpu
parentb394195ca54af86c6ebb44396c29c24875870de4 (diff)
drm/radeon/native: Send out the full AUX address
commit 7040c399aea2b0213a9aefd73e507369a6d641d6 upstream. 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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/radeon/radeon_dp_auxch.c4
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 fcbd60bb0349..3b0c229d7dcd 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);