Jani Nikula 607f41768a drm/i915/dsi: filter invalid backlight and CABC ports ...

Avoid using ports that aren't initialized in case the VBT backlight or
CABC ports have invalid values. This fixes a NULL pointer dereference of
intel_dsi->dsi_hosts[port] in such cases.

Cc: stable@vger.kernel.org
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/b0f4f087866257d280eb97d6bcfcefd109cc5fa2.1660664162.git.jani.nikula@intel.com
(cherry picked from commit f4a6c7a454)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

2022-08-23 21:27:13 -04:00

63 KiB

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