tree 8261c1e68a8f0ec80c2a4d9b7f937c28f6de4ed0
parent b8720ed0b87d32c269b41146718253fed7cf3c59
author Anson Jacob <Anson.Jacob@amd.com> 1614719796 -0500
committer Alex Deucher <alexander.deucher@amd.com> 1616556732 -0400

drm/amd/display: Fix UBSAN warning for not a valid value for type '_Bool'

[Why]
dc_cursor_position do not initialise position.translate_by_source when
crtc or plane->state->fb is NULL. UBSAN caught this error in
dce110_set_cursor_position, as the value was garbage.

[How]
Initialise dc_cursor_position structure elements to 0 in handle_cursor_update
before calling get_cursor_position.

Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Bug: https://gitlab.freedesktop.org/drm/amd/-/issues/1471
Reported-by: Lyude Paul <lyude@redhat.com>
Signed-off-by: Anson Jacob <Anson.Jacob@amd.com>
Reviewed-by: Aurabindo Jayamohanan Pillai <Aurabindo.Pillai@amd.com>
Acked-by: Solomon Chiu <solomon.chiu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>