From 8dac271521f2a6cc13a2e5fd81c44593dee18e51 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Ville=20Syrj=C3=A4l=C3=A4?= Date: Thu, 21 Mar 2024 18:18:04 +0200 Subject: [PATCH] drm/i915/bios: Add the old DPST field into VBT LFP power block MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit According to some VBIOS sources the LFP power block used to have a single bit for DPST support. In version 159 that bit got moved into the driver features block, and then in version 228 back into the LFP power block (but this time as a per-panel thing). We have definitions for the last two, but not the original bit. Define it as well. Signed-off-by: Ville Syrjälä Link: https://patchwork.freedesktop.org/patch/msgid/20240321161806.31714-4-ville.syrjala@linux.intel.com Acked-by: Jani Nikula --- drivers/gpu/drm/i915/display/intel_vbt_defs.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_vbt_defs.h b/drivers/gpu/drm/i915/display/intel_vbt_defs.h index 24583b455f2d4..5da8ae407dfda 100644 --- a/drivers/gpu/drm/i915/display/intel_vbt_defs.h +++ b/drivers/gpu/drm/i915/display/intel_vbt_defs.h @@ -918,7 +918,7 @@ struct bdb_lfp_backlight_data { * Block 44 - LFP Power Conservation Features Block */ struct lfp_power_features { - u8 reserved1:1; + u8 dpst_support:1; /* ???-159 */ u8 power_conservation_pref:3; u8 reserved2:1; u8 lace_enabled_status:1; /* 210+ */ -- 2.30.2