diff options
| author | Yongqiang Sun <yongqiang.sun@amd.com> | 2020-11-12 19:21:16 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-11-24 20:08:23 +0300 |
| commit | 30bdf50b77bd3dbc111b4aeff7018d8c58ec7d8d (patch) | |
| tree | 015ea3ab4835e9b67c876435d9617e34e7d7fd6e /drivers/gpu/drm/amd/display/dc/core/dc.c | |
| parent | c85ef99a9fa394f1cd3cc3694415f80d2c9378ec (diff) | |
| download | linux-30bdf50b77bd3dbc111b4aeff7018d8c58ec7d8d.tar.xz | |
drm/amd/display: Check multiple internal displays for power optimization.
[Why & How]
only apply multiple display power optimization in case there are more
than one internal display.
Signed-off-by: Yongqiang Sun <yongqiang.sun@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Anthony Koo <Anthony.Koo@amd.com>
Acked-by: Aric Cyr <Aric.Cyr@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/core/dc.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c index 28b856e2686d..903353389edb 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc.c @@ -149,6 +149,20 @@ static void destroy_links(struct dc *dc) } } +static uint32_t get_num_of_internal_disp(struct dc_link **links, uint32_t num_links) +{ + int i; + uint32_t count = 0; + + for (i = 0; i < num_links; i++) { + if (links[i]->connector_signal == SIGNAL_TYPE_EDP || + links[i]->is_internal_display) + count++; + } + + return count; +} + static bool create_links( struct dc *dc, uint32_t num_virtual_links) @@ -250,6 +264,8 @@ static bool create_links( virtual_link_encoder_construct(link->link_enc, &enc_init); } + dc->caps.num_of_internal_disp = get_num_of_internal_disp(dc->links, dc->link_count); + return true; failed_alloc: |