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| author |   Roman Li <Roman.Li@amd.com> | 2018-03-29 10:56:17 -0400 |
|---|---|---|
| committer |   Alex Deucher <alexander.deucher@amd.com> | 2018-04-11 13:17:25 -0500 |
| commit | c3d7bad88e3b35b981eecc1645ddbb3f13a8b54f (patch) | |
| tree | 053d8807545dd0e5ea0bb4f97e875e8cd7ae56fa /drivers/gpu/drm/amd/display/dc/core/dc_link.c | |
| parent | drm/amd/display: HDMI has no sound after Panel power off/on (diff) | |
| download | linux-dev-c3d7bad88e3b35b981eecc1645ddbb3f13a8b54f.tar.xz linux-dev-c3d7bad88e3b35b981eecc1645ddbb3f13a8b54f.zip | |
drm/amd/display: fix brightness level after resume from suspend
Adding missing call to cache current backlight values.
Otherwise the brightness resets to default value on resume.
Signed-off-by: Roman Li <Roman.Li@amd.com>
Reviewed-by: Charlene Liu <Charlene.Liu@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/core/dc_link.c')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/core/dc_link.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c index eeb04471b2f5..6d1c4981a185 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c @@ -1997,6 +1997,19 @@ bool dc_link_set_backlight_level(const struct dc_link *link, uint32_t level, return true; } +bool dc_link_set_abm_disable(const struct dc_link *link) +{ + struct dc *core_dc = link->ctx->dc; + struct abm *abm = core_dc->res_pool->abm; + + if ((abm == NULL) || (abm->funcs->set_backlight_level == NULL)) + return false; + + abm->funcs->set_abm_immediate_disable(abm); + + return true; +} + bool dc_link_set_psr_enable(const struct dc_link *link, bool enable, bool wait) { struct dc *core_dc = link->ctx->dc; |