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drm/i915/dp: Fix compilation of intel_dp_hdcp_check_link

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drivers/gpu/drm/i915/intel_dp.c: In function ‘intel_dp_hdcp_check_link’:
drivers/gpu/drm/i915/intel_dp.c:5191:26: error: ?: using integer constants in boolean context [-Werror=int-in-bool-context]
   return ret >= 0 ? -EIO : ret;

Fixes: 20f24d776d ("drm/i915: Implement HDCP for DisplayPort")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Ramalingam C <ramalingam.c@intel.com>
Cc: Sean Paul <seanpaul@chromium.org>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20180118161025.22700-1-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2018-01-18 16:10:25 +00:00 committed by Sean Paul
parent 01468d6c71
commit b7fc1a9b7e
1 changed files with 3 additions and 1 deletions
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4
drivers/gpu/drm/i915/intel_dp.c
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@ -5184,12 +5184,14 @@ bool intel_dp_hdcp_check_link(struct intel_digital_port *intel_dig_port)
{
ssize_t ret;
u8 bstatus;
ret = drm_dp_dpcd_read(&intel_dig_port->dp.aux, DP_AUX_HDCP_BSTATUS,
&bstatus, 1);
if (ret != 1) {
DRM_ERROR("Read bstatus from DP/AUX failed (%zd)\n", ret);
return ret >= 0 ? -EIO : ret;
return false;
}
return !(bstatus & (DP_BSTATUS_LINK_FAILURE | DP_BSTATUS_REAUTH_REQ));
}