diff options
| author | Eric Cook <Eric.Cook@amd.com> | 2017-04-27 12:20:34 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-09-26 18:06:44 -0400 |
| commit | 9e594f4c3f30c8ba43a1601268e82177fbd737c1 (patch) | |
| tree | 249d9fbf487406e4ea10b1fefadda3fcb40a636c /drivers/gpu/drm/amd/display/modules/freesync | |
| parent | 529cad0f945c9e60569e902062d2f2741e4fd71a (diff) | |
drm/amd/display: Add support for FreeSync on eDP to module
Signed-off-by: Eric <eric.cook@amd.com>
Acked-by: Harry Wentland <Harry.Wentland@amd.com>
Reviewed-by: Anthony Koo <Anthony.Koo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/modules/freesync')
| -rw-r--r-- | drivers/gpu/drm/amd/display/modules/freesync/freesync.c | 42 |
1 files changed, 33 insertions, 9 deletions
diff --git a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c index 009cb797bcfa..82086a129a3b 100644 --- a/drivers/gpu/drm/amd/display/modules/freesync/freesync.c +++ b/drivers/gpu/drm/amd/display/modules/freesync/freesync.c @@ -109,11 +109,16 @@ struct freesync_entity { struct mod_freesync_user_enable user_enable; }; +struct freesync_registry_options { + unsigned int min_refresh_from_edid; +}; + struct core_freesync { struct mod_freesync public; struct dc *dc; struct freesync_entity *map; int num_entities; + struct freesync_registry_options opts; }; #define MOD_FREESYNC_TO_CORE(mod_freesync)\ @@ -136,7 +141,7 @@ struct mod_freesync *mod_freesync_create(struct dc *dc) struct persistent_data_flag flag; - int i = 0; + int i, data = 0; if (core_freesync == NULL) goto fail_alloc_context; @@ -165,6 +170,12 @@ struct mod_freesync *mod_freesync_create(struct dc *dc) flag.save_per_link = false; dm_write_persistent_data(core_dc->ctx, NULL, FREESYNC_REGISTRY_NAME, NULL, NULL, 0, &flag); + flag.save_per_edid = false; + flag.save_per_link = false; + if (dm_read_persistent_data(core_dc->ctx, NULL, NULL, + "DalDrrSupport", &data, sizeof(data), &flag)) { + core_freesync->opts.min_refresh_from_edid = data; + } return &core_freesync->public; @@ -219,7 +230,7 @@ bool mod_freesync_add_stream(struct mod_freesync *mod_freesync, struct core_stream *core_stream = NULL; struct core_dc *core_dc = NULL; struct core_freesync *core_freesync = NULL; - int persistent_freesync_enable = 0; + int persistent_freesync_enable, stream_index = 0; struct persistent_data_flag flag; unsigned int nom_refresh_rate_micro_hz; unsigned long long temp; @@ -238,6 +249,26 @@ bool mod_freesync_add_stream(struct mod_freesync *mod_freesync, dc_stream_retain(stream); + stream_index = map_index_from_stream(core_freesync, stream); + + temp = stream->timing.pix_clk_khz; + temp *= 1000ULL * 1000ULL * 1000ULL; + temp = div_u64(temp, stream->timing.h_total); + temp = div_u64(temp, stream->timing.v_total); + + nom_refresh_rate_micro_hz = (unsigned int) temp; + + if (core_freesync->opts.min_refresh_from_edid != 0 && + dc_is_embedded_signal( + stream[stream_index].sink->sink_signal)) { + caps->supported = true; + caps->min_refresh_in_micro_hz = + core_freesync->opts.min_refresh_from_edid * + 1000000; + caps->max_refresh_in_micro_hz = + nom_refresh_rate_micro_hz; + } + core_freesync->map[core_freesync->num_entities].stream = stream; core_freesync->map[core_freesync->num_entities].caps = caps; @@ -275,13 +306,6 @@ bool mod_freesync_add_stream(struct mod_freesync *mod_freesync, enable_for_video = false; } - temp = stream->timing.pix_clk_khz; - temp *= 1000ULL * 1000ULL * 1000ULL; - temp = div_u64(temp, stream->timing.h_total); - temp = div_u64(temp, stream->timing.v_total); - - nom_refresh_rate_micro_hz = (unsigned int) temp; - if (caps->supported && nom_refresh_rate_micro_hz >= caps->min_refresh_in_micro_hz && nom_refresh_rate_micro_hz <= caps->max_refresh_in_micro_hz) |