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drm/radeon/aux: fix hpd assignment for aux bus

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The hpd (hot plug detect) pin assignment got lost
in the conversion to to the common i2c over aux
code.  Without this information, aux transactions
do not work properly.  Fixes DP failures.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
This commit is contained in:
Alex Deucher 2014-04-22 02:02:06 -04:00 committed by Christian König
parent c2fb309466
commit ad47b8fa5a
1 changed files with 1 additions and 0 deletions
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drivers/gpu/drm/radeon/atombios_dp.c
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@ -209,6 +209,7 @@ void radeon_dp_aux_init(struct radeon_connector *radeon_connector)
{
int ret;
radeon_connector->ddc_bus->rec.hpd = radeon_connector->hpd.hpd;
radeon_connector->ddc_bus->aux.dev = radeon_connector->base.kdev;
radeon_connector->ddc_bus->aux.transfer = radeon_dp_aux_transfer;
ret = drm_dp_aux_register_i2c_bus(&radeon_connector->ddc_bus->aux);