On Thu, 19 Mar 2015, ville.syrjala@linux.intel.com wrote:
From: Ville Syrjälä ville.syrjala@linux.intel.com
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
drivers/gpu/drm/i915/intel_dp.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 3967af1..637dd53 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -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;
-- 2.0.5
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