linux-kernel - [PATCH] drm: panel-backlight-quirks: Add Framework 16 panel

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Message-Id: <1c96811e-4d54-480a-bc09-bcd2999e8e66@app.fastmail.com>
Date: Thu, 27 Feb 2025 18:40:12 -0800
From: "Mark Dietzer" <git@...idian.net>
To: linux-kernel@...r.kernel.org
Subject: [PATCH] drm: panel-backlight-quirks: Add Framework 16 panel

Similarly for the Framework 13 panels already handled in those quirks, the 16 can be helped by the same kind of patch.

I have run this on my own 16 for multiple months (hard coding the value to 0 before the quirks made it upstream) and it has resulted in a darker minimum brightness (as expected) and no issues.

The Framework community threads between the 13 and 16 for this improvement are the same one, so user reports in the link below will be mixed and likely more focused on the 13.

Link: https://community.frame.work/t/solved-even-lower-screen-brightness/25711/60

---
 drivers/gpu/drm/drm_panel_backlight_quirks.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/gpu/drm/drm_panel_backlight_quirks.c b/drivers/gpu/drm/drm_panel_backlight_quirks.c
index c477d98ade2b..52aa2a7fa63e 100644
--- a/drivers/gpu/drm/drm_panel_backlight_quirks.c
+++ b/drivers/gpu/drm/drm_panel_backlight_quirks.c
@@ -41,6 +41,14 @@ static const struct drm_panel_min_backlight_quirk drm_panel_min_backlight_quirks
                .ident.name = "NE135A1M-NY1",
                .min_brightness = 0,
        },
+       /* 16 inch panel */
+       {
+               .dmi_match.field = DMI_BOARD_VENDOR,
+               .dmi_match.value = "Framework",
+               .ident.panel_id = drm_edid_encode_panel_id('B', 'O', 'E', 0x0cb4),
+               .ident.name = "NE160QDM-NZ6",
+               .min_brightness = 0,
+       },
 };

 static bool drm_panel_min_backlight_quirk_matches(const struct drm_panel_min_backlight_quirk *quirk,
--
2.48.1