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drm/i915: Send out the full AUX address 

AUX addresses are 20 bits long. Send out the entire address instead of
just the low 16 bits.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Ville Syrjälä 2015-03-19 11:44:06 +02:00 committed by Daniel Vetter
parent eb0b44adc0
commit d2d9cbbd22
1 changed files with 3 additions and 2 deletions
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5
drivers/gpu/drm/i915/intel_dp.c
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@ -942,8 +942,9 @@ intel_dp_aux_transfer(struct drm_dp_aux *aux, struct drm_dp_aux_msg *msg)
size_t txsize, rxsize;
int ret;
txbuf[0] = msg->request << 4;
txbuf[1] = msg->address >> 8;
txbuf[0] = (msg->request << 4) |
((msg->address >> 16) & 0xf);
txbuf[1] = (msg->address >> 8) & 0xff;
txbuf[2] = msg->address & 0xff;
txbuf[3] = msg->size - 1;