From: George Shen george.shen@amd.com
[ Upstream commit 275d8a1db261a1272a818d40ebc61b3b865b60e5 ]
[Why] The hwss function does_plane_fit_in_mall not applicable to dcn3.2 asics. Using it with dcn3.2 can result in undefined behaviour.
[How] Assign the function pointer to NULL.
Reviewed-by: Alvin Lee Alvin.Lee2@amd.com Acked-by: Alex Hung alex.hung@amd.com Signed-off-by: George Shen george.shen@amd.com Tested-by: Daniel Wheeler daniel.wheeler@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/amd/display/dc/dcn32/dcn32_init.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_init.c b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_init.c index 45a949ba6f3f3..7b7f0e6b2a2ff 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_init.c +++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_init.c @@ -94,7 +94,7 @@ static const struct hw_sequencer_funcs dcn32_funcs = { .get_vupdate_offset_from_vsync = dcn10_get_vupdate_offset_from_vsync, .calc_vupdate_position = dcn10_calc_vupdate_position, .apply_idle_power_optimizations = dcn32_apply_idle_power_optimizations, - .does_plane_fit_in_mall = dcn30_does_plane_fit_in_mall, + .does_plane_fit_in_mall = NULL, .set_backlight_level = dcn21_set_backlight_level, .set_abm_immediate_disable = dcn21_set_abm_immediate_disable, .hardware_release = dcn30_hardware_release,