[Intel-gfx] [PATCH v2 06/10] drm/i915/dsi: Group MIPI_SEQ_BACKLIGHT_ON/OFF with panel_[en|dis]able_backlight

[Hans de Goede]

Execute the MIPI_SEQ_BACKLIGHT_ON/OFF VBT sequences at the same time as
we call intel_panel_enable_backlight() / intel_panel_disable_backlight().

Signed-off-by: Hans de Goede <hdegoede at redhat.com>
Reviewed-by: Bob Paauwe <bob.j.paauwe at intel.com>
---
Changes in v2:
-Drop meaningless code-comments
---
 drivers/gpu/drm/i915/intel_dsi.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c
index b7b8c6d..2dd276a 100644
--- a/drivers/gpu/drm/i915/intel_dsi.c
+++ b/drivers/gpu/drm/i915/intel_dsi.c
@@ -658,12 +658,12 @@ static void intel_dsi_pre_enable(struct intel_encoder *encoder,
 		msleep(100);
 
 		intel_dsi_exec_vbt_sequence(intel_dsi, MIPI_SEQ_DISPLAY_ON);
-		intel_dsi_exec_vbt_sequence(intel_dsi, MIPI_SEQ_BACKLIGHT_ON);
 
 		intel_dsi_port_enable(encoder);
 	}
 
 	intel_panel_enable_backlight(intel_dsi->attached_connector);
+	intel_dsi_exec_vbt_sequence(intel_dsi, MIPI_SEQ_BACKLIGHT_ON);
 }
 
 static void intel_dsi_enable_nop(struct intel_encoder *encoder,
@@ -689,6 +689,7 @@ static void intel_dsi_pre_disable(struct intel_encoder *encoder,
 
 	DRM_DEBUG_KMS("\n");
 
+	intel_dsi_exec_vbt_sequence(intel_dsi, MIPI_SEQ_BACKLIGHT_OFF);
 	intel_panel_disable_backlight(intel_dsi->attached_connector);
 
 	/*
@@ -733,7 +734,6 @@ static void intel_dsi_post_disable(struct intel_encoder *encoder,
 	 * if disable packets are sent before sending shutdown packet then in
 	 * some next enable sequence send turn on packet error is observed
 	 */
-	intel_dsi_exec_vbt_sequence(intel_dsi, MIPI_SEQ_BACKLIGHT_OFF);
 	intel_dsi_exec_vbt_sequence(intel_dsi, MIPI_SEQ_DISPLAY_OFF);
 
 	/* Transition to LP-00 */
-- 
2.9.3