From: Antheas Kapenekakis Date: Fri, 29 Aug 2025 14:55:36 +0000 (+0200) Subject: drm: panel-backlight-quirks: Make EDID match optional X-Git-Tag: v6.12.58~274 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1da1cfa9c2b55c9f771fa7c0aef1c071f5c21a92;p=thirdparty%2Fkernel%2Fstable.git drm: panel-backlight-quirks: Make EDID match optional [ Upstream commit 9931e4be11f2129a20ffd908bc364598a63016f8 ] Currently, having a valid panel_id match is required to use the quirk system. For certain devices, we know that all SKUs need a certain quirk. Therefore, allow not specifying ident by only checking for a match if panel_id is non-zero. Tested-by: Philip Müller Reviewed-by: Mario Limonciello Signed-off-by: Antheas Kapenekakis Link: https://lore.kernel.org/r/20250829145541.512671-2-lkml@antheas.dev Acked-by: Alex Deucher Signed-off-by: Mario Limonciello (AMD) Signed-off-by: Sasha Levin --- diff --git a/drivers/gpu/drm/drm_panel_backlight_quirks.c b/drivers/gpu/drm/drm_panel_backlight_quirks.c index c477d98ade2b4..99d8b6b2d6bd2 100644 --- a/drivers/gpu/drm/drm_panel_backlight_quirks.c +++ b/drivers/gpu/drm/drm_panel_backlight_quirks.c @@ -49,7 +49,7 @@ static bool drm_panel_min_backlight_quirk_matches(const struct drm_panel_min_bac if (!dmi_match(quirk->dmi_match.field, quirk->dmi_match.value)) return false; - if (!drm_edid_match(edid, &quirk->ident)) + if (quirk->ident.panel_id && !drm_edid_match(edid, &quirk->ident)) return false; return true;