diff options
| author | Madhumitha Tolakanahalli Pradeep <madhumitha.tolakanahalli.pradeep@intel.com> | 2019-08-23 11:23:50 -0700 |
|---|---|---|
| committer | Manasi Navare <manasi.d.navare@intel.com> | 2019-09-09 13:03:17 -0700 |
| commit | 8f351d693352d21c96cef38c3fd77f778c6d7c33 (patch) | |
| tree | 98bd57c65674b2447e422956cfd51739fbebcfd3 | |
| parent | 0102dcf4e2e8b357b59173fe1ff78069148080c6 (diff) | |
lib/igt_kms: added tile property parser
The tile property parser parses the connector tile property obtained
from connector's Display ID block and set per connector.
v2: Minor style changes (Simon)
Cc: Manasi Navare <manasi.d.navare@intel.com>
Cc: Petri Latvala <petri.latvala@intel.com>
Cc: Simon Ser <simon.ser@intel.com>
Cc: <madhumitha.tp@gmail.com>
Signed-off-by: Madhumitha Tolakanahalli Pradeep <madhumitha.tolakanahalli.pradeep@intel.com>
Reviewed-by: Simon Ser <simon.ser@intel.com>
| -rw-r--r-- | lib/igt_kms.c | 29 | ||||
| -rw-r--r-- | lib/igt_kms.h | 11 |
2 files changed, 40 insertions, 0 deletions
diff --git a/lib/igt_kms.c b/lib/igt_kms.c index d8cdae76..e9b80b9b 100644 --- a/lib/igt_kms.c +++ b/lib/igt_kms.c @@ -4507,3 +4507,32 @@ bool igt_display_has_format_mod(igt_display_t *display, uint32_t format, return false; } + +/** + * igt_parse_connector_tile_blob: + * @blob: pointer to the connector's tile properties + * @tile: pointer to tile structure that is populated by the function + * + * Parses the connector tile blob to extract the tile information. + * The blob information is exposed from drm/drm_connector.c in the kernel. + * The format of the tile property is defined in the kernel as char tile[256] + * that consists of 8 integers that are ':' separated. + * + */ + +void igt_parse_connector_tile_blob(drmModePropertyBlobPtr blob, + igt_tile_info_t *tile) +{ + char *blob_data = blob->data; + + igt_assert(blob); + + tile->tile_group_id = atoi(strtok(blob_data, ":")); + tile->tile_is_single_monitor = atoi(strtok(NULL, ":")); + tile->num_h_tile = atoi(strtok(NULL, ":")); + tile->num_v_tile = atoi(strtok(NULL, ":")); + tile->tile_h_loc = atoi(strtok(NULL, ":")); + tile->tile_v_loc = atoi(strtok(NULL, ":")); + tile->tile_h_size = atoi(strtok(NULL, ":")); + tile->tile_v_size = atoi(strtok(NULL, ":")); +} diff --git a/lib/igt_kms.h b/lib/igt_kms.h index 56481fd1..7193f9a5 100644 --- a/lib/igt_kms.h +++ b/lib/igt_kms.h @@ -390,6 +390,14 @@ struct igt_display { int format_mod_count; }; +typedef struct { + int tile_group_id; + bool tile_is_single_monitor; + uint8_t num_h_tile, num_v_tile; + uint8_t tile_h_loc, tile_v_loc; + uint16_t tile_h_size, tile_v_size; +} igt_tile_info_t; + void igt_display_require(igt_display_t *display, int drm_fd); void igt_display_fini(igt_display_t *display); void igt_display_reset(igt_display_t *display); @@ -834,4 +842,7 @@ static inline bool igt_vblank_before(uint32_t a, uint32_t b) return igt_vblank_after(b, a); } +void igt_parse_connector_tile_blob(drmModePropertyBlobPtr blob, + igt_tile_info_t *tile); + #endif /* __IGT_KMS_H__ */ |