[PATCH 14/18] 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>
---
 drivers/gpu/drm/i915/intel_dsi.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c
index 03a7a7c..9b0c9152 100644
--- a/drivers/gpu/drm/i915/intel_dsi.c
+++ b/drivers/gpu/drm/i915/intel_dsi.c
@@ -674,12 +674,13 @@ 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);
        }

+       /* Enable backlight, both pwm and VBT */
        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,
@@ -703,6 +704,8 @@ static void intel_dsi_pre_disable(struct intel_encoder 
*encoder,

        DRM_DEBUG_KMS("\n");

+       /* Disable backlight, both VBT and pwm */
+       intel_dsi_exec_vbt_sequence(intel_dsi, MIPI_SEQ_BACKLIGHT_OFF);
        intel_panel_disable_backlight(intel_dsi->attached_connector);

        if (is_vid_mode(intel_dsi)) {
@@ -737,7 +740,6 @@ 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