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| author | Simon Glass <sjg@chromium.org> | 2020-09-22 12:45:03 -0600 |
|---|---|---|
| committer | Bin Meng <bmeng.cn@gmail.com> | 2020-09-25 11:27:15 +0800 |
| commit | c9cc37de2c71ebbf953c290144c3efc18145ded9 (patch) | |
| tree | 0288df4ef4140ad3c4e22513e0ecb3907c2a3b76 /arch/x86/lib/fsp/fsp_graphics.c | |
| parent | e4f09f97c96b123aa0a334a7f6fc38f6a14154aa (diff) | |
| download | u-boot-c9cc37de2c71ebbf953c290144c3efc18145ded9.tar.gz | |
x86: apl: Support writing the IntelGraphicsMem table
This table is needed by the Linux graphics driver to handle graphics
correctly. Write it to ACPI.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'arch/x86/lib/fsp/fsp_graphics.c')
| -rw-r--r-- | arch/x86/lib/fsp/fsp_graphics.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/arch/x86/lib/fsp/fsp_graphics.c b/arch/x86/lib/fsp/fsp_graphics.c index e8c1e07af1..858d7942fe 100644 --- a/arch/x86/lib/fsp/fsp_graphics.c +++ b/arch/x86/lib/fsp/fsp_graphics.c @@ -3,14 +3,19 @@ * Copyright (C) 2017, Bin Meng <bmeng.cn@gmail.com> */ +#define LOG_CATEGORY UCLASS_VIDEO + #include <common.h> #include <dm.h> #include <init.h> #include <log.h> #include <vbe.h> #include <video.h> +#include <acpi/acpi_table.h> #include <asm/fsp/fsp_support.h> +#include <asm/intel_opregion.h> #include <asm/mtrr.h> +#include <dm/acpi.h> DECLARE_GLOBAL_DATA_PTR; @@ -127,6 +132,32 @@ static int fsp_video_bind(struct udevice *dev) return 0; } +#ifdef CONFIG_INTEL_GMA_ACPI +static int fsp_video_acpi_write_tables(const struct udevice *dev, + struct acpi_ctx *ctx) +{ + struct igd_opregion *opregion; + int ret; + + printf("ACPI: * IGD OpRegion\n"); + opregion = (struct igd_opregion *)ctx->current; + + ret = intel_gma_init_igd_opregion((struct udevice *)dev, opregion); + if (ret) + return ret; + + acpi_inc_align(ctx, sizeof(struct igd_opregion)); + + return 0; +} +#endif + +struct acpi_ops fsp_video_acpi_ops = { +#ifdef CONFIG_INTEL_GMA_ACPI + .write_tables = fsp_video_acpi_write_tables, +#endif +}; + static const struct udevice_id fsp_video_ids[] = { { .compatible = "fsp-fb" }, { } @@ -139,6 +170,7 @@ U_BOOT_DRIVER(fsp_video) = { .bind = fsp_video_bind, .probe = fsp_video_probe, .flags = DM_FLAG_PRE_RELOC, + ACPI_OPS_PTR(&fsp_video_acpi_ops) }; static struct pci_device_id fsp_video_supported[] = { |