diff options
| author | Antheas Kapenekakis <lkml@antheas.dev> | 2025-08-29 16:55:38 +0200 |
|---|---|---|
| committer | Mario Limonciello (AMD) <superm1@kernel.org> | 2025-09-03 10:22:56 -0500 |
| commit | f7033fab81d82e9a56092bb412886df1d2591ae6 (patch) | |
| tree | 2ef6c6af49f38b1878a1ab022c5b5f408fd4bded /drivers/gpu/drm/drm_panel_backlight_quirks.c | |
| parent | 6eee1ef9e59853a49e926d116a004c53a9819dfd (diff) | |
drm: panel-backlight-quirks: Add secondary DMI match
Using a single DMI match only allows matching per manufacturer.
Introduce a second optional match to allow matching make/model.
In addition, make DMI optional to allow matching only by EDID.
Tested-by: Philip Müller <philm@manjaro.org>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Antheas Kapenekakis <lkml@antheas.dev>
Link: https://lore.kernel.org/r/20250829145541.512671-4-lkml@antheas.dev
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Mario Limonciello (AMD) <superm1@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/drm_panel_backlight_quirks.c')
| -rw-r--r-- | drivers/gpu/drm/drm_panel_backlight_quirks.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/drivers/gpu/drm/drm_panel_backlight_quirks.c b/drivers/gpu/drm/drm_panel_backlight_quirks.c index 702726c20ccc..3d386a96e50e 100644 --- a/drivers/gpu/drm/drm_panel_backlight_quirks.c +++ b/drivers/gpu/drm/drm_panel_backlight_quirks.c @@ -8,11 +8,14 @@ #include <drm/drm_edid.h> #include <drm/drm_utils.h> +struct drm_panel_match { + enum dmi_field field; + const char * const value; +}; + struct drm_get_panel_backlight_quirk { - struct { - enum dmi_field field; - const char * const value; - } dmi_match; + struct drm_panel_match dmi_match; + struct drm_panel_match dmi_match_other; struct drm_edid_ident ident; struct drm_panel_backlight_quirk quirk; }; @@ -48,7 +51,13 @@ static bool drm_panel_min_backlight_quirk_matches( const struct drm_get_panel_backlight_quirk *quirk, const struct drm_edid *edid) { - if (!dmi_match(quirk->dmi_match.field, quirk->dmi_match.value)) + if (quirk->dmi_match.field && + !dmi_match(quirk->dmi_match.field, quirk->dmi_match.value)) + return false; + + if (quirk->dmi_match_other.field && + !dmi_match(quirk->dmi_match_other.field, + quirk->dmi_match_other.value)) return false; if (quirk->ident.panel_id && !drm_edid_match(edid, &quirk->ident)) |