Files
linux/drivers/gpu/drm/bridge
Marek Vasut 17a9c1aaa8 drm: bridge: icn6211: Read and validate chip IDs before configuration
Read out the Vendor/Chip/Version ID registers from the chip before
performing any configuration, and validate that the registers have
correct values. This is mostly a simple test whether DSI register
access does work, since that tends to be broken on various bridges.

Acked-by: Maxime Ripard <maxime@cerno.tech>
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Jagan Teki <jagan@amarulasolutions.com>
Cc: Maxime Ripard <maxime@cerno.tech>
Cc: Robert Foss <robert.foss@linaro.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Thomas Zimmermann <tzimmermann@suse.de>
To: dri-devel@lists.freedesktop.org
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220331150509.9838-12-marex@denx.de
2022-03-31 17:20:46 +02:00
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2022-03-14 17:38:13 +02:00
2022-02-01 11:20:21 +01:00
2022-03-14 17:38:13 +02:00