Claude review: gpu/drm: bridge: tc358768: Add delay after PLL setup

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Overall Series Review

Subject: gpu/drm: bridge: tc358768: Add delay after PLL setup
Author: Svyatoslav Ryhel <clamor95@gmail.com>
Patches: 2
Reviewed: 2026-05-25T22:05:01.975192

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This is a single-patch series adding a 20ms `msleep()` delay after PLL setup in the TC358768 DSI bridge driver. The fix addresses a real hardware issue on the TF700T (ASUS Transformer Pad Infinity) where the PLL reports lock but the clock hasn't fully stabilized, resulting in a blank screen.

The change is small, low-risk, and placed at the correct location. The existing `tc358768_setup_pll()` already has a 1-2ms `usleep_range()` for PLL lock, then enables `PLL_CKEN`. The new delay gives the clock output time to settle after `PLL_CKEN` is asserted — a distinct and valid concern from the lock wait itself. The patch has a Tested-by tag on the affected hardware.

**Verdict**: Looks reasonable. One minor concern worth raising.

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