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drm/i915/dsi: run backlight on/off sequences in panel enable/disable hooks
author
Jani Nikula
<jani.nikula@intel.com>
Mon, 19 Sep 2016 12:02:28 +0000
(15:02 +0300)
committer
Jani Nikula
<jani.nikula@intel.com>
Mon, 19 Sep 2016 15:37:54 +0000
(18:37 +0300)
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.
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link:
http://patchwork.freedesktop.org/patch/msgid/267c4a2bde2076af18e9b8335c0bef2e26ea3112.1474286487.git.jani.nikula@intel.com
drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
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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
2c5d14e
..
24953f9
100644
(file)
--- a/
drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
+++ b/
drivers/gpu/drm/i915/intel_dsi_panel_vbt.c
@@
-477,12
+477,14
@@
static int vbt_panel_unprepare(struct drm_panel *panel)
static int vbt_panel_enable(struct drm_panel *panel)
{
generic_exec_sequence(panel, MIPI_SEQ_DISPLAY_ON);
+ generic_exec_sequence(panel, MIPI_SEQ_BACKLIGHT_ON);
return 0;
}
static int vbt_panel_disable(struct drm_panel *panel)
{
+ generic_exec_sequence(panel, MIPI_SEQ_BACKLIGHT_OFF);
generic_exec_sequence(panel, MIPI_SEQ_DISPLAY_OFF);
return 0;