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drm/tests: hdmi: handle empty modes in find_preferred_mode()
authorDmitry Baryshkov <dmitry.baryshkov@linaro.org>
Sat, 30 Nov 2024 01:52:26 +0000 (03:52 +0200)
committerDmitry Baryshkov <dmitry.baryshkov@linaro.org>
Thu, 5 Dec 2024 12:36:00 +0000 (14:36 +0200)
commitd3314efd6ebf335a3682b1d6b1b81cdab3d8254a
tree2fe432e15863daf552730ef95ce390111d31b531tree
parentcb2e1c2136f71618142557ceca3a8802e87a44cdcommit | diff
drm/tests: hdmi: handle empty modes in find_preferred_mode()

If the connector->modes list is empty, then list_first_entry() returns a
bogus entry. Change that to use list_first_entry_or_null().

Reviewed-by: Maxime Ripard <mripard@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20241130-hdmi-mode-valid-v5-1-742644ec3b1f@linaro.org
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
drivers/gpu/drm/tests/drm_hdmi_state_helper_test.c diff | blob | history
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