Instead of using a backchannel if some dpcd read failed we
can show that directly on debugfs output.
We are not returning an error because we might still want
to know if sub-sequent reads works, but we shouldn't
need to check 2 places to see why reg is not on the list.
Cc: Jani Nikula <jani.nikula@xxxxxxxxx>
Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@xxxxxxxxx>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
---
drivers/gpu/drm/i915/i915_debugfs.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 59dc0610ea44..5d8da4e8c444 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -4846,8 +4846,8 @@ static int i915_dpcd_show(struct seq_file *m, void *data)
err = drm_dp_dpcd_read(&intel_dp->aux, b->offset, buf, size);
if (err <= 0) {
- DRM_ERROR("dpcd read (%zu bytes at %u) failed (%zd)\n",
- size, b->offset, err);
+ seq_printf(m, "dpcd read (%zu bytes at %u) failed (%zd)\n",
+ size, b->offset, err);
continue;
}
--
2.17.1
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