diff options
| author | Stylon Wang <stylon.wang@amd.com> | 2021-02-23 13:32:09 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-02-24 17:28:55 +0300 |
| commit | 4588f7b7dd5f09e70b6e223490a0d054c3d64071 (patch) | |
| tree | 29c37ffac63692f956d34e723134b9aff93b8b28 /drivers | |
| parent | f8f70c1371d304f42d4a1242d8abcbda807d0bed (diff) | |
| download | linux-4588f7b7dd5f09e70b6e223490a0d054c3d64071.tar.xz | |
drm/amd/display: Enable ASSR in DM
This patch enables ASSR if display declares such support in DPCD.
Signed-off-by: Stylon Wang <stylon.wang@amd.com>
Reviewed-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c index c1391bfb7a9b..099f43709060 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c @@ -1669,6 +1669,22 @@ bool perform_link_training_with_retries( msleep(delay_dp_power_up_in_ms); } +#ifdef CONFIG_DRM_AMD_DC_HDCP + if (panel_mode == DP_PANEL_MODE_EDP) { + struct cp_psp *cp_psp = &stream->ctx->cp_psp; + + if (cp_psp && cp_psp->funcs.enable_assr) { + if (!cp_psp->funcs.enable_assr(cp_psp->handle, link)) { + /* since eDP implies ASSR on, change panel + * mode to disable ASSR + */ + panel_mode = DP_PANEL_MODE_DEFAULT; + } + } else + panel_mode = DP_PANEL_MODE_DEFAULT; + } +#endif + dp_set_panel_mode(link, panel_mode); if (link->aux_access_disabled) { |