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@xxxxxxxxxxxxxxx> # v1
Signed-off-by: Imre Deak <imre.deak@xxxxxxxxx>
---
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
