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drm/radeon/native: Send out the full AUX address

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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
This commit is contained in:
Alex Deucher 2015-08-31 11:15:05 -04:00
parent 3f8340cc72
commit 7040c399ae
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/radeon/radeon_dp_auxch.c
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@ -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);