When DPCD access errors occur, knowing the register and request
associated with the error helps debugging, so print the
details in the debug message.
Signed-off-by: Aurabindo Pillai <mail@xxxxxxxxxxxx>
---
drivers/gpu/drm/drm_dp_helper.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c
index a5364b519..545606aac 100644
--- a/drivers/gpu/drm/drm_dp_helper.c
+++ b/drivers/gpu/drm/drm_dp_helper.c
@@ -257,7 +257,9 @@ static int drm_dp_dpcd_access(struct drm_dp_aux *aux, u8 request,
err = ret;
}
- DRM_DEBUG_KMS("Too many retries, giving up. First error: %d\n", err);
+ DRM_DEBUG_KMS("dpcd: Too many retries, giving up. First error: %d\t"
+ "address: %x\trequest: %x\t size:%zu\n",
+ err, msg.address, msg.request, msg.size);
ret = err;
unlock:
--
2.26.0
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