diff options
| author |   Madhav Chauhan <madhav.chauhan@intel.com> | 2018-10-30 13:56:13 +0200 |
|---|---|---|
| committer |   Jani Nikula <jani.nikula@intel.com> | 2018-10-31 13:13:08 +0200 |
| commit | d9d996b6ca4393165e2ca5630fbdf3f7a2482028 (patch) | |
| tree | b3dcc890f36d6385aa0c52a339c6ebc4c2824e63 /drivers/gpu/drm/i915/icl_dsi.c | |
| parent | drm/i915/icl: Turn ON panel backlight (diff) | |
| download | linux-dev-d9d996b6ca4393165e2ca5630fbdf3f7a2482028.tar.xz linux-dev-d9d996b6ca4393165e2ca5630fbdf3f7a2482028.zip | |
drm/i915/icl: Turn OFF panel backlight
This patch disbles backlight of DSI panel by using VBT
BACKLIGHT_OFF sequence and panel specific disable functions.
Signed-off-by: Madhav Chauhan <madhav.chauhan@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/93cfbb198104deef4a281bbdef721385e4b6d954.1540900289.git.jani.nikula@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/icl_dsi.c')
| -rw-r--r-- | drivers/gpu/drm/i915/icl_dsi.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/icl_dsi.c b/drivers/gpu/drm/i915/icl_dsi.c index bffbb40cc0bc..f7f48ff147d0 100644 --- a/drivers/gpu/drm/i915/icl_dsi.c +++ b/drivers/gpu/drm/i915/icl_dsi.c @@ -776,3 +776,15 @@ gen11_dsi_pre_enable(struct intel_encoder *encoder, intel_panel_enable_backlight(pipe_config, conn_state); intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_BACKLIGHT_ON); } + +static void __attribute__((unused)) gen11_dsi_disable( + struct intel_encoder *encoder, + const struct intel_crtc_state *old_crtc_state, + const struct drm_connector_state *old_conn_state) +{ + struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base); + + /* step1: turn off backlight */ + intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_BACKLIGHT_OFF); + intel_panel_disable_backlight(old_conn_state); +} |