[Intel-gfx] [PATCH 2/2] drm/i915/bios: Add the "Disable compression for the Display Port/HDMI external display" bit
Ville Syrjala
ville.syrjala at linux.intel.com
Wed Sep 7 09:35:34 UTC 2022
From: Ville Syrjälä <ville.syrjala at linux.intel.com>
The child device block has gained a new bit for disabling
compression for external displays. Seems stupid, but there it is.
Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
---
drivers/gpu/drm/i915/display/intel_vbt_defs.h | 3 ++-
1 file changed, 2 insertions(+), 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 6119fb035357..a9f44abfc9fc 100644
--- a/drivers/gpu/drm/i915/display/intel_vbt_defs.h
+++ b/drivers/gpu/drm/i915/display/intel_vbt_defs.h
@@ -418,7 +418,8 @@ struct child_device_config {
u8 compression_method_cps:1; /* 198+ */
u8 ganged_edp:1; /* 202+ */
u8 lttpr_non_transparent:1; /* 235+ */
- u8 reserved2:3;
+ u8 disable_compression_for_ext_disp:1; /* 251+ */
+ u8 reserved2:2;
u8 compression_structure_index:4; /* 198+ */
u8 reserved3:4;
u8 hdmi_max_frl_rate:4; /* 237+ */
--
2.35.1
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