mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
synced 2026-06-02 01:42:20 -04:00
db122ece32
[Why] The quantity and duration of FAMS2 commands are set to increase in future products. This necessitates the implementation of a new mechanism for chaining commands together, allowing all commands to be processed within a single transaction. [How] The indirect buffer acts as a shared buffer on the driver side, mapped to DMUB's internal CW7 address. Its source address and size are sent through mailbox command to DMUB, triggering the transaction. Reviewed-by: Alvin Lee <alvin.lee2@amd.com> Signed-off-by: Oleh Kuzhylnyi <okuzhyln@amd.com> Signed-off-by: Wayne Lin <wayne.lin@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>