[4/7] drm/i915/dsi: run power on/off sequences in panel prepare/unprepare hooks

Submitted by Jani Nikula on May 16, 2016, 3:08 p.m.

Details

Message ID 06b39612a4af3fc67e6ed31186064261d2b06786.1463411098.git.jani.nikula@intel.com
State New
Headers show
Series "drm/i915/dsi: sequence execution tweaks" ( rev: 1 ) in Intel GFX

Not browsing as part of any series.

Commit Message

Jani Nikula May 16, 2016, 3:08 p.m.
Based on the documentation alone, it's anyone's guess when exactly we
should be running these sequences. Add them where it feels logical. The
drm panel hooks don't currently offer us more granularity anyway.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
---
 drivers/gpu/drm/i915/intel_dsi_panel_vbt.c | 2 ++
 1 file changed, 2 insertions(+)

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diff --git a/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c b/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
index 7dd850760c4d..e0337a82a6b4 100644
--- a/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
+++ b/drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
@@ -459,6 +459,7 @@  static void generic_exec_sequence(struct drm_panel *panel, enum mipi_seq seq_id)
 static int vbt_panel_prepare(struct drm_panel *panel)
 {
 	generic_exec_sequence(panel, MIPI_SEQ_ASSERT_RESET);
+	generic_exec_sequence(panel, MIPI_SEQ_POWER_ON);
 	generic_exec_sequence(panel, MIPI_SEQ_INIT_OTP);
 
 	return 0;
@@ -466,6 +467,7 @@  static int vbt_panel_prepare(struct drm_panel *panel)
 
 static int vbt_panel_unprepare(struct drm_panel *panel)
 {
+	generic_exec_sequence(panel, MIPI_SEQ_POWER_OFF);
 	generic_exec_sequence(panel, MIPI_SEQ_DEASSERT_RESET);
 
 	return 0;