From: Lee Shawn C <shawn.c.lee@intel.com>
To: intel-gfx@lists.freedesktop.org
Cc: Jani Nikula <jani.nikula@intel.com>,
Cooper Chiou <cooper.chiou@intel.com>
Subject: [PATCH] drm/i915: Refine eDP aux backlight enable/disable sequence
Date: Thu, 20 Jun 2019 20:24:46 -0700 [thread overview]
Message-ID: <1561087486-19339-1-git-send-email-shawn.c.lee@intel.com> (raw)
Modify aux backlight enable/disable sequence just like what we
did for genernal eDP panel.
1. Setup PWM freq and brightness level before enable display backlight.
2. Set PWM to 0 after backlight enable was off.
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Jose Roberto de Souza <jose.souza@intel.com>
Cc: Cooper Chiou <cooper.chiou@intel.com>
Signed-off-by: Lee Shawn C <shawn.c.lee@intel.com>
---
drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c b/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c
index 6b0b73479fb8..bbc579734238 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_aux_backlight.c
@@ -216,13 +216,14 @@ static void intel_dp_aux_enable_backlight(const struct intel_crtc_state *crtc_st
}
}
- set_aux_backlight_enable(intel_dp, true);
intel_dp_aux_set_backlight(conn_state, connector->panel.backlight.level);
+ set_aux_backlight_enable(intel_dp, true);
}
static void intel_dp_aux_disable_backlight(const struct drm_connector_state *old_conn_state)
{
set_aux_backlight_enable(enc_to_intel_dp(old_conn_state->best_encoder), false);
+ intel_dp_aux_set_backlight(old_conn_state, 0);
}
static int intel_dp_aux_setup_backlight(struct intel_connector *connector,
--
2.7.4
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next reply other threads:[~2019-06-21 2:56 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-21 3:24 Lee Shawn C [this message]
2019-06-21 3:36 ` ✓ Fi.CI.BAT: success for drm/i915: Refine eDP aux backlight enable/disable sequence Patchwork
2019-06-21 10:52 ` ✓ Fi.CI.IGT: " Patchwork
2019-06-25 14:11 ` [PATCH] " Jani Nikula
2019-06-25 14:49 ` Lee, Shawn C
2019-06-25 15:12 ` Jani Nikula
2019-06-25 15:35 ` [PATCH v2] " Lee Shawn C
2019-06-25 15:13 ` Jani Nikula
2019-06-25 15:29 ` Lee, Shawn C
2019-06-25 16:12 ` ✗ Fi.CI.BAT: failure for drm/i915: Refine eDP aux backlight enable/disable sequence (rev2) Patchwork
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