That's certainly been the case in the past but they've clearly changed their strategy of late. They've upstreamed support for snapdragon 8g3 and I think also X

That's certainly been the case in the past but they've clearly changed their strategy of late. They've upstreamed support for snapdragon 8g3 and I think also X (or x is in progress?). https://www.linaro.org/blog/upstream-linux-support-now-available-for-the-the-qualcomm-snapdragon-8-gen-3-mobile-platform/ https://www.linaro.org/blog/upstream-linux-support-now-avail... https://www.linaro.org/blog/qualcomm-and-linaro-enable-latest-flagship-snapdragon-compute-soc/ https://www.linaro.org/blog/qualcomm-and-linaro-enable-lates...