[PATCH] drm/i915/dp: Fix compilation of intel_dp_hdcp_check_link
Chris Wilson
chris at chris-wilson.co.uk
Thu Jan 18 16:10:25 UTC 2018
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: 20f24d776d1b ("drm/i915: Implement HDCP for DisplayPort")
Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
Cc: Daniel Vetter <daniel.vetter at ffwll.ch>
Cc: Ramalingam C <ramalingam.c at intel.com>
Cc: Sean Paul <seanpaul at chromium.org>
Cc: Jani Nikula <jani.nikula at linux.intel.com>
---
drivers/gpu/drm/i915/intel_dp.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 68229f53d5b8..0f2290c7bede 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -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));
}
--
2.15.1
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