diff options
| author |   Camille Cho <Camille.Cho@amd.com> | 2021-07-08 18:28:37 +0800 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2021-07-23 10:07:58 -0400 |
| commit | 0070a5b7004a0151f06412f9bee4e25bfa24efa9 (patch) | |
| tree | 3124fa185e019faeb7ad51cd9f22921e619662f8 /drivers/gpu | |
| parent | drm/amd/display: Update bounding box for DCN3.1 (diff) | |
| download | linux-dev-0070a5b7004a0151f06412f9bee4e25bfa24efa9.tar.xz linux-dev-0070a5b7004a0151f06412f9bee4e25bfa24efa9.zip | |
drm/amd/display: Only set default brightness for OLED
[Why]
We used to unconditionally set backlight path as AUX for panels capable
of backlight adjustment via DPCD in set default brightness.
[How]
This should be limited to OLED panel only since we control backlight via
PWM path for SDR mode in LCD HDR panel.
Reviewed-by: Krunoslav Kovac <krunoslav.kovac@amd.com>
Acked-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Camille Cho <Camille.Cho@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c | 4 |
1 files changed, 1 insertions, 3 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 fba38d8bd316..cc62124b0b82 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 @@ -4915,9 +4915,7 @@ bool dc_link_set_default_brightness_aux(struct dc_link *link) { uint32_t default_backlight; - if (link && - (link->dpcd_sink_ext_caps.bits.hdr_aux_backlight_control == 1 || - link->dpcd_sink_ext_caps.bits.sdr_aux_backlight_control == 1)) { + if (link && link->dpcd_sink_ext_caps.bits.oled == 1) { if (!dc_link_read_default_bl_aux(link, &default_backlight)) default_backlight = 150000; // if < 5 nits or > 5000, it might be wrong readback |