From c2661638e88655fef38bc3cc580e80457461f0a2 Mon Sep 17 00:00:00 2001 From: Madhav Chauhan Date: Tue, 30 Oct 2018 13:56:10 +0200 Subject: [PATCH] drm/i915/icl: Power on DSI panel This patch execute poweron, deassert reset, display on VBT sequences and send TURN_ON DSI command to panel for powering it up. Signed-off-by: Madhav Chauhan Reviewed-by: Jani Nikula Signed-off-by: Jani Nikula Link: https://patchwork.freedesktop.org/patch/msgid/8acb06fa634fe9637fdc09a3f5d2588b9138224f.1540900289.git.jani.nikula@intel.com --- drivers/gpu/drm/i915/icl_dsi.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/gpu/drm/i915/icl_dsi.c b/drivers/gpu/drm/i915/icl_dsi.c index 9c424ad..d9c9100 100644 --- a/drivers/gpu/drm/i915/icl_dsi.c +++ b/drivers/gpu/drm/i915/icl_dsi.c @@ -664,6 +664,13 @@ static void gen11_dsi_powerup_panel(struct intel_encoder *encoder) if (ret < 0) DRM_ERROR("error setting max return pkt size%d\n", tmp); } + + /* panel power on related mipi dsi vbt sequences */ + intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_POWER_ON); + intel_dsi_msleep(intel_dsi, intel_dsi->panel_on_delay); + intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_DEASSERT_RESET); + intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_INIT_OTP); + intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_DISPLAY_ON); } static void __attribute__((unused)) -- 2.7.4