linux-kernel - [PATCH v2] drm/display: Add missing OLED Vesa brightnesses definitions

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Date:   Tue, 11 Apr 2023 18:09:43 -0600
From:   Rodrigo Siqueira <Rodrigo.Siqueira@....com>
To:     <airlied@...il.com>, <daniel@...ll.ch>
CC:     Rodrigo Siqueira <Rodrigo.Siqueira@....com>,
        Anthony Koo <anthony.koo@....com>,
        Iswara Negulendran <iswara.nagulendran@....com>,
        Felipe Clark <felipe.clark@....com>,
        Harry Wentland <Harry.Wentland@....com>,
        <dri-devel@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH v2] drm/display: Add missing OLED Vesa brightnesses definitions

This commit adds missing luminance control registers to enable a more
standard way (VESA) to deal with eDP luminance control.

Cc: Anthony Koo <anthony.koo@....com>
Cc: Iswara Negulendran <iswara.nagulendran@....com>
Cc: Felipe Clark <felipe.clark@....com>
Cc: Harry Wentland <Harry.Wentland@....com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@....com>
---
 include/drm/display/drm_dp.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/drm/display/drm_dp.h b/include/drm/display/drm_dp.h
index ed10e6b6f99d..7ad749423a48 100644
--- a/include/drm/display/drm_dp.h
+++ b/include/drm/display/drm_dp.h
@@ -973,6 +973,7 @@
 
 #define DP_EDP_GENERAL_CAP_2		    0x703
 # define DP_EDP_OVERDRIVE_ENGINE_ENABLED		(1 << 0)
+# define DP_EDP_PANEL_LUMINANCE_CONTROL_CAPABLE		(1<<4)
 
 #define DP_EDP_GENERAL_CAP_3		    0x704    /* eDP 1.4 */
 # define DP_EDP_X_REGION_CAP_MASK			(0xf << 0)
@@ -998,6 +999,7 @@
 # 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_PANEL_LUMINANCE_CONTROL_ENABLE		(1<<7)
 
 #define DP_EDP_BACKLIGHT_BRIGHTNESS_MSB     0x722
 #define DP_EDP_BACKLIGHT_BRIGHTNESS_LSB     0x723
@@ -1022,6 +1024,7 @@
 
 #define DP_EDP_DBC_MINIMUM_BRIGHTNESS_SET   0x732
 #define DP_EDP_DBC_MAXIMUM_BRIGHTNESS_SET   0x733
+#define DP_EDP_PANEL_TARGET_LUMINANCE_VALUE 0x734
 
 #define DP_EDP_REGIONAL_BACKLIGHT_BASE      0x740    /* eDP 1.4 */
 #define DP_EDP_REGIONAL_BACKLIGHT_0	    0x741    /* eDP 1.4 */
-- 
2.39.2