diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/bios/bios_parser.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/bios/bios_parser.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c b/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c index 86e6438c5cf3..21fb78e8048d 100644 --- a/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c +++ b/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c @@ -2254,6 +2254,52 @@ static enum bp_result get_gpio_i2c_info(struct bios_parser *bp, return BP_RESULT_OK; } +static bool dal_graphics_object_id_is_valid(struct graphics_object_id id) +{ + bool rc = true; + + switch (id.type) { + case OBJECT_TYPE_UNKNOWN: + rc = false; + break; + case OBJECT_TYPE_GPU: + case OBJECT_TYPE_ENGINE: + /* do NOT check for id.id == 0 */ + if (id.enum_id == ENUM_ID_UNKNOWN) + rc = false; + break; + default: + if (id.id == 0 || id.enum_id == ENUM_ID_UNKNOWN) + rc = false; + break; + } + + return rc; +} + +static bool dal_graphics_object_id_is_equal( + struct graphics_object_id id1, + struct graphics_object_id id2) +{ + if (false == dal_graphics_object_id_is_valid(id1)) { + dm_output_to_console( + "%s: Warning: comparing invalid object 'id1'!\n", __func__); + return false; + } + + if (false == dal_graphics_object_id_is_valid(id2)) { + dm_output_to_console( + "%s: Warning: comparing invalid object 'id2'!\n", __func__); + return false; + } + + if (id1.id == id2.id && id1.enum_id == id2.enum_id + && id1.type == id2.type) + return true; + + return false; +} + static ATOM_OBJECT *get_bios_object(struct bios_parser *bp, struct graphics_object_id id) { |