diff options
| author | Camille Cho <Camille.Cho@amd.com> | 2021-07-08 18:28:37 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-07-21 14:24:38 -0400 |
| commit | 2d73eabe2984a435737498ab39bb1500a9ffe9a9 (patch) | |
| tree | 7e9a8cc56634d2f3ff72127706543218811f744c /drivers/gpu | |
| parent | a8e380fd8d71493623c94511f75e81786cffa223 (diff) | |
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 6da226bf11d5..12066f5a53fc 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 @@ -4914,9 +4914,7 @@ 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 |