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backend/drm: use more descriptive names for match_obj()

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This function is only used for connectors and CRTCs, so instead of
the abstract "obj"/"resource" wording, just use the concrete names.
This commit is contained in:
Simon Ser 2024-08-21 21:56:39 +02:00
parent d2a5dbe104
commit 0bf642d246
3 changed files with 45 additions and 41 deletions
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24
include/backend/drm/util.h
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@ -18,26 +18,28 @@ const char *drm_connector_status_str(drmModeConnection status);
void generate_cvt_mode(drmModeModeInfo *mode, int hdisplay, int vdisplay,
float vrefresh);
// Part of match_obj
// Part of match_connectors_with_crtcs
enum {
UNMATCHED = (uint32_t)-1,
SKIP = (uint32_t)-2,
};
/*
* Tries to match some DRM objects with some other DRM resource.
* e.g. Match CRTCs with Encoders, CRTCs with Planes.
/**
* Tries to match DRM connectors with DRM CRTCs.
*
* objs contains a bit array which resources it can be matched with.
* e.g. Bit 0 set means can be matched with res[0]
* conns contains an array of bitmasks describing compatible CRTCs. For
* instance bit 0 set in an connector element means that it's compatible with
* CRTC 0.
*
* res contains an index of which objs it is matched with or UNMATCHED.
* prev_crtcs contains connector indices each CRTC was previously matched with,
* or UNMATCHED.
*
* This solution is left in out.
* new_crtcs is populated with the new connector indices.
* Returns the total number of matched solutions.
*/
size_t match_obj(size_t num_objs, const uint32_t objs[static restrict num_objs],
size_t num_res, const uint32_t res[static restrict num_res],
uint32_t out[static restrict num_res]);
size_t match_connectors_with_crtcs(size_t num_conns,
const uint32_t conns[static restrict num_conns],
size_t num_crtcs, const uint32_t prev_crtcs[static restrict num_crtcs],
uint32_t new_crtcs[static restrict num_crtcs]);
#endif