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drm/amd/display: Add documentation and cleanup DMUB HW lock manager

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To document how the helpers should be used before a subsequent change
adds new locations that these helpers will be used.

Reviewed-by: Ovidiu (Ovi) Bunea <ovidiu.bunea@amd.com>
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Nicholas Kazlauskas 2026-02-24 10:36:29 -05:00 committed by Alex Deucher
parent eff9280110
commit b8469dd5b3
1 changed files with 18 additions and 0 deletions
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18
drivers/gpu/drm/amd/display/dc/dce/dmub_hw_lock_mgr.h
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@ -46,7 +46,25 @@ void dmub_hw_lock_mgr_inbox0_cmd(struct dc_dmub_srv *dmub_srv,
* Return: true if the inbox1 lock should be used, false otherwise
*/
bool should_use_dmub_inbox1_lock(const struct dc *dc, const struct dc_link *link);
/**
* dmub_hw_lock_mgr_does_link_require_lock() - Returns true if the link has a feature that needs the HW lock.
*
* @dc: Pointer to DC object
* @link: The link to check
*
* Return: true if the link has a feature that needs the HW lock, false otherwise
*/
bool dmub_hw_lock_mgr_does_link_require_lock(const struct dc *dc, const struct dc_link *link);
/**
* dmub_hw_lock_mgr_does_context_require_lock() - Returns true if the context has any stream that needs the HW lock.
*
* @dc: Pointer to DC object
* @context: The context to check
*
* Return: true if the context has any stream that needs the HW lock, false otherwise
*/
bool dmub_hw_lock_mgr_does_context_require_lock(const struct dc *dc, const struct dc_state *context);
#endif /*_DMUB_HW_LOCK_MGR_H_ */