diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c index ece4df4a9d62..06a8dd7581bb 100644 --- a/drivers/gpu/drm/i915/display/intel_bios.c +++ b/drivers/gpu/drm/i915/display/intel_bios.c @@ -2205,6 +2205,11 @@ parse_compression_parameters(struct intel_display *display) } } +static int vswing_preemph_num_rows(struct intel_display *display) +{ + return DISPLAY_VER(display) >= 14 ? 16 : 10; +} + static void parse_vswing_preemph_override(struct intel_display *display) { @@ -2218,6 +2223,11 @@ parse_vswing_preemph_override(struct intel_display *display) /* pre-ICL GOPs don't have VBT #57 */ if (!block) return; + + display->vbt.vspeo.tables = block->tables; + display->vbt.vspeo.num_tables = block->num_tables; + display->vbt.vspeo.num_columns = block->num_columns; + display->vbt.vspeo.num_rows = vswing_preemph_num_rows(display); } static u8 translate_iboost(struct intel_display *display, u8 val) diff --git a/drivers/gpu/drm/i915/display/intel_display_core.h b/drivers/gpu/drm/i915/display/intel_display_core.h index 7e988b7b1fe7..c80b4a2f74f9 100644 --- a/drivers/gpu/drm/i915/display/intel_display_core.h +++ b/drivers/gpu/drm/i915/display/intel_display_core.h @@ -244,6 +244,13 @@ struct intel_vbt_data { struct list_head display_devices; struct list_head bdb_blocks; + struct { + const u32 *tables; + int num_tables; + int num_columns; + int num_rows; + } vspeo; + struct sdvo_device_mapping { u8 initialized; u8 dvo_port;