When reporting the DPCD dump through debugfs, show the errors inline where appropriate. If a read at one particular offset fails, report it
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=106371 Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk> --- drivers/gpu/drm/i915/i915_debugfs.c | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 4565eda29c87..00c551d3e409 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -4915,13 +4915,10 @@ static int i915_dpcd_show(struct seq_file *m, void *data) continue; 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); - continue; - } - - seq_printf(m, "%04x: %*ph\n", b->offset, (int) size, buf); + if (err < 0) + seq_printf(m, "%04x: ERROR %d\n", b->offset, (int)err); + else + seq_printf(m, "%04x: %*ph\n", b->offset, (int)err, buf); } return 0; -- 2.19.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx
