[PATCH v2 6/6] drm/i915/dp: Dump the LTTPR PHY descriptors

[Imre Deak]

Dump the descriptor of the detected LTTPRs in non-transparent mode to
help the debugging related to LTTPRs easier.

v2: Use drm_dp_dump_lttpr_desc() instead of the driver specific
    equivalent.

Reviewed-by: Ville Syrjälä <ville.syrjala at linux.intel.com> # v1
Signed-off-by: Imre Deak <imre.deak at intel.com>
---
 drivers/gpu/drm/i915/display/intel_dp_link_training.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/display/intel_dp_link_training.c b/drivers/gpu/drm/i915/display/intel_dp_link_training.c
index af0b71bdf1fcf..ab72aa1d664dc 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_link_training.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_link_training.c
@@ -20,6 +20,7 @@
  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  * IN THE SOFTWARE.
  */
+#include <drm/display/drm_dp_helper.h>
 
 #include "i915_drv.h"
 #include "intel_display_types.h"
@@ -206,8 +207,10 @@ static int intel_dp_init_lttpr(struct intel_dp *intel_dp, const u8 dpcd[DP_RECEI
 
 	lttpr_count = intel_dp_init_lttpr_phys(intel_dp, dpcd);
 
-	for (i = 0; i < lttpr_count; i++)
+	for (i = 0; i < lttpr_count; i++) {
 		intel_dp_read_lttpr_phy_caps(intel_dp, dpcd, DP_PHY_LTTPR(i));
+		drm_dp_dump_lttpr_desc(&intel_dp->aux, DP_PHY_LTTPR(i));
+	}
 
 	return lttpr_count;
 }
-- 
2.43.3