Claude review: drm: Use seq_puts() for fixed string output

[Claude Code Review Bot <claude-review@example.com>]

Overall Series Review

Subject: drm: Use seq_puts() for fixed string output
Author: liuqiangneo@163.com
Patches: 3
Reviewed: 2026-03-22T03:54:18.233754

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This is a straightforward mechanical cleanup series that replaces `seq_printf()` with `seq_puts()` when printing constant strings (no format specifiers). The changes are correct and follow a well-established kernel coding convention. The series has no functional impact — `seq_puts()` simply avoids unnecessary format string parsing overhead.

The patches are clean, properly split by file/subsystem, and correctly described. No issues found.

**Verdict: Acceptable for merge.**

One minor note: `seq_printf(m, "\n")` could also be replaced with `seq_putc(m, '\n')` for a single character, but `seq_puts()` is fine too and consistent with the other changes in the series.

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