summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/i915/icl_dsi.c
diff options
context:
space:
mode:
authorMadhav Chauhan <madhav.chauhan@intel.com>2018-10-30 13:56:12 +0200
committerJani Nikula <jani.nikula@intel.com>2018-10-31 13:13:04 +0200
commit208013157a68e57fceffe463461c3d1eb83ea60a (patch)
tree803729731ed7cef3fff9d9511311591c9a31877d /drivers/gpu/drm/i915/icl_dsi.c
parent32bbc3d450dcb7f45b343ee568892d746fe6dc1f (diff)
drm/i915/icl: Turn ON panel backlight
This patch enables backlight of DSI panel by using VBT BACKLIGHT_ON sequence and panel specific 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/05987eea297689af0b9defcf745a921f76f9011d.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.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/icl_dsi.c b/drivers/gpu/drm/i915/icl_dsi.c
index 0f0447b6b1be..bffbb40cc0bc 100644
--- a/drivers/gpu/drm/i915/icl_dsi.c
+++ b/drivers/gpu/drm/i915/icl_dsi.c
@@ -752,6 +752,8 @@ gen11_dsi_pre_enable(struct intel_encoder *encoder,
const struct intel_crtc_state *pipe_config,
const struct drm_connector_state *conn_state)
{
+ struct intel_dsi *intel_dsi = enc_to_intel_dsi(&encoder->base);
+
/* step2: enable IO power */
gen11_dsi_enable_io_power(encoder);
@@ -769,4 +771,8 @@ gen11_dsi_pre_enable(struct intel_encoder *encoder,
/* step6d: enable dsi transcoder */
gen11_dsi_enable_transcoder(encoder);
+
+ /* step7: enable backlight */
+ intel_panel_enable_backlight(pipe_config, conn_state);
+ intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_BACKLIGHT_ON);
}