[PATCH] drm/dp: add eDP DPCD backlight control bit definitions

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Cc: Yetunde Adebisi <yetundex.adebisi@xxxxxxxxx>
Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
---
 include/drm/drm_dp_helper.h | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h
index bb9d0deca07c..1252108da0ef 100644
--- a/include/drm/drm_dp_helper.h
+++ b/include/drm/drm_dp_helper.h
@@ -455,16 +455,52 @@
 # define DP_EDP_14			    0x03
 
 #define DP_EDP_GENERAL_CAP_1		    0x701
+# define DP_EDP_TCON_BACKLIGHT_ADJUSTMENT_CAP		(1 << 0)
+# define DP_EDP_BACKLIGHT_PIN_ENABLE_CAP		(1 << 1)
+# define DP_EDP_BACKLIGHT_AUX_ENABLE_CAP		(1 << 2)
+# define DP_EDP_PANEL_SELF_TEST_PIN_ENABLE_CAP		(1 << 3)
+# define DP_EDP_PANEL_SELF_TEST_AUX_ENABLE_CAP		(1 << 4)
+# define DP_EDP_FRC_ENABLE_CAP				(1 << 5)
+# define DP_EDP_COLOR_ENGINE_CAP			(1 << 6)
+# define DP_EDP_SET_POWER_CAP				(1 << 7)
 
 #define DP_EDP_BACKLIGHT_ADJUSTMENT_CAP     0x702
+# define DP_EDP_BACKLIGHT_BRIGHTNESS_PWM_PIN_CAP	(1 << 0)
+# define DP_EDP_BACKLIGHT_BRIGHTNESS_AUX_SET_CAP	(1 << 1)
+# define DP_EDP_BACKLIGHT_BRIGHTNESS_BYTE_COUNT		(1 << 2)
+# define DP_EDP_BACKLIGHT_AUX_PWM_PRODUCT_CAP		(1 << 3)
+# define DP_EDP_BACKLIGHT_FREQ_PWM_PIN_PASSTHRU_CAP	(1 << 4)
+# define DP_EDP_BACKLIGHT_FREQ_AUX_SET_CAP		(1 << 5)
+# define DP_EDP_DYNAMIC_BACKLIGHT_CAP			(1 << 6)
+# define DP_EDP_VBLANK_BACKLIGHT_UPDATE_CAP		(1 << 7)
 
 #define DP_EDP_GENERAL_CAP_2		    0x703
+# define DP_EDP_OVERDRIVE_ENGINE_ENABLED		(1 << 0)
 
 #define DP_EDP_GENERAL_CAP_3		    0x704    /* eDP 1.4 */
+# define DP_EDP_X_REGION_CAP_MASK			(0xf << 0)
+# define DP_EDP_X_REGION_CAP_SHIFT			0
+# define DP_EDP_Y_REGION_CAP_MASK			(0xf << 4)
+# define DP_EDP_Y_REGION_CAP_SHIFT			4
 
 #define DP_EDP_DISPLAY_CONTROL_REGISTER     0x720
+# define DP_EDP_BACKLIGHT_ENABLE			(1 << 0)
+# define DP_EDP_BLACK_VIDEO_ENABLE			(1 << 1)
+# define DP_EDP_FRC_ENABLE				(1 << 2)
+# define DP_EDP_COLOR_ENGINE_ENABLE			(1 << 3)
+# define DP_EDP_VBLANK_BACKLIGHT_UPDATE_ENABLE		(1 << 7)
 
 #define DP_EDP_BACKLIGHT_MODE_SET_REGISTER  0x721
+# define DP_EDP_BACKLIGHT_CONTROL_MODE_MASK		(3 << 0)
+# define DP_EDP_BACKLIGHT_CONTROL_MODE_PWM		(0 << 0)
+# define DP_EDP_BACKLIGHT_CONTROL_MODE_PRESET		(1 << 0)
+# define DP_EDP_BACKLIGHT_CONTROL_MODE_DPCD		(2 << 0)
+# define DP_EDP_BACKLIGHT_CONTROL_MODE_PRODUCT		(3 << 0)
+# define DP_EDP_BACKLIGHT_FREQ_PWM_PIN_PASSTHRU_ENABLE	(1 << 2)
+# define DP_EDP_BACKLIGHT_FREQ_AUX_SET_ENABLE		(1 << 3)
+# define DP_EDP_DYNAMIC_BACKLIGHT_ENABLE		(1 << 4)
+# define DP_EDP_REGIONAL_BACKLIGHT_ENABLE		(1 << 5)
+# define DP_EDP_UPDATE_REGION_BRIGHTNESS		(1 << 6) /* eDP 1.4 */
 
 #define DP_EDP_BACKLIGHT_BRIGHTNESS_MSB     0x722
 #define DP_EDP_BACKLIGHT_BRIGHTNESS_LSB     0x723
-- 
2.1.4

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