linux-kernel - [RFC PATCH 03/40] drm/amd/display: introduce Steam Deck color features to AMD display driver

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Message-Id: <20230423141051.702990-4-mwen@igalia.com>
Date:   Sun, 23 Apr 2023 13:10:15 -0100
From:   Melissa Wen <mwen@...lia.com>
To:     amd-gfx@...ts.freedesktop.org,
        Harry Wentland <harry.wentland@....com>,
        Rodrigo Siqueira <Rodrigo.Siqueira@....com>,
        sunpeng.li@....com, Alex Deucher <alexander.deucher@....com>,
        dri-devel@...ts.freedesktop.org, christian.koenig@....com,
        Xinhui.Pan@....com, airlied@...il.com, daniel@...ll.ch
Cc:     Joshua Ashton <joshua@...ggi.es>,
        Sebastian Wick <sebastian.wick@...hat.com>,
        Xaver Hugl <xaver.hugl@...il.com>,
        Shashank Sharma <Shashank.Sharma@....com>,
        Nicholas Kazlauskas <nicholas.kazlauskas@....com>,
        sungjoon.kim@....com, Alex Hung <alex.hung@....com>,
        Melissa Wen <mwen@...lia.com>, linux-kernel@...r.kernel.org
Subject: [RFC PATCH 03/40] drm/amd/display: introduce Steam Deck color features to AMD display driver

We are enabling a large set of color calibration features to enhance KMS
color mgmt but these properties are specific of AMD display HW, and
cannot be provided by other vendors. Therefore, set a config option to
enable AMD driver-private properties used on Steam Deck color mgmt
pipeline.

Co-developed-by: Joshua Ashton <joshua@...ggi.es>
Signed-off-by: Joshua Ashton <joshua@...ggi.es>
Signed-off-by: Melissa Wen <mwen@...lia.com>
---
 drivers/gpu/drm/amd/display/Kconfig | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/amd/display/Kconfig b/drivers/gpu/drm/amd/display/Kconfig
index 06b438217c61..c45a8deb1098 100644
--- a/drivers/gpu/drm/amd/display/Kconfig
+++ b/drivers/gpu/drm/amd/display/Kconfig
@@ -53,5 +53,11 @@ config DRM_AMD_SECURE_DISPLAY
             of crc of specific region via debugfs.
             Cooperate with specific DMCU FW.
 
+config STEAM_DECK
+	bool "Enable color calibration features for Steam Deck"
+	depends on DRM_AMD_DC
+	help
+	  Choose this option if you want to use AMDGPU features for broader
+	  color management support on Steam Deck.
 
 endmenu
-- 
2.39.2