We should be checking if drm_dp_dpcd_read() returns the size that we are
asking it to read instead of just checking if it is greater than zero.
So, compare the return value of drm_dp_dpcd_read() to the requested
read size.
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
return false;
}
- return drm_dp_dpcd_read(&aconnector->dm_dp_aux.aux, address,
- data, size) > 0;
+ return drm_dp_dpcd_read(&aconnector->dm_dp_aux.aux, address, data,
+ size) == size;
}
bool dm_helpers_dp_write_dpcd(