From: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Date: Tue, 29 Jul 2025 13:15:34 +0000 (+0200)
Subject: RISC-V: ACPI: enable parsing the BGRT table
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=92c4995b4d494f197858a79c6c6af7b6b06d38bf;p=users%2Fhch%2Fmisc.git

RISC-V: ACPI: enable parsing the BGRT table

The BGRT table is used to display a vendor logo during the boot process.
Add the code for parsing it.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Sunil V L <sunilvl@ventanamicro.com>
Link: https://lore.kernel.org/r/20250729131535.522205-2-heinrich.schuchardt@canonical.com
Signed-off-by: Paul Walmsley <pjw@kernel.org>
---

diff --git a/arch/riscv/kernel/acpi.c b/arch/riscv/kernel/acpi.c
index 3f6d5a6789e8..71698ee11621 100644
--- a/arch/riscv/kernel/acpi.c
+++ b/arch/riscv/kernel/acpi.c
@@ -14,6 +14,7 @@
  */
 
 #include <linux/acpi.h>
+#include <linux/efi-bgrt.h>
 #include <linux/efi.h>
 #include <linux/io.h>
 #include <linux/memblock.h>
@@ -160,6 +161,8 @@ done:
 			early_init_dt_scan_chosen_stdout();
 	} else {
 		acpi_parse_spcr(earlycon_acpi_spcr_enable, true);
+		if (IS_ENABLED(CONFIG_ACPI_BGRT))
+			acpi_table_parse(ACPI_SIG_BGRT, acpi_parse_bgrt);
 	}
 }