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Commit 984ff8a4 authored by Ingo Molnar's avatar Ingo Molnar
Browse files

Merge branch 'x86/efi/for-linus' of... 

Merge branch 'x86/efi/for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mfleming/linux

 into x86/efi

Pull misc EFI fixlets from Matt Fleming.

Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
parents 925a6f0b e9b10953

arch/x86/boot/compressed/Makefile

+3 −0
Original line number Diff line number Diff line
@@ -28,6 +28,9 @@ VMLINUX_OBJS = $(obj)/vmlinux.lds $(obj)/head_$(BITS).o $(obj)/misc.o \ 
	$(obj)/string.o $(obj)/cmdline.o $(obj)/early_serial_console.o \

	$(obj)/piggy.o



$(obj)/eboot.o: KBUILD_CFLAGS += -fshort-wchar -mno-red-zone

$(obj)/efi_stub_$(BITS).o: KBUILD_CLFAGS += -fshort-wchar -mno-red-zone



ifeq ($(CONFIG_EFI_STUB), y)

	VMLINUX_OBJS += $(obj)/eboot.o $(obj)/efi_stub_$(BITS).o

endif

arch/x86/boot/compressed/eboot.c

+20 −14
Original line number Diff line number Diff line
@@ -276,8 +276,9 @@ static efi_status_t setup_gop(struct screen_info *si, efi_guid_t *proto, 
	nr_gops = size / sizeof(void *);

	for (i = 0; i < nr_gops; i++) {

		struct efi_graphics_output_mode_info *info;

		efi_guid_t pciio_proto = EFI_PCI_IO_PROTOCOL_GUID;

		void *pciio;

		efi_guid_t conout_proto = EFI_CONSOLE_OUT_DEVICE_GUID;

		bool conout_found = false;

		void *dummy;

		void *h = gop_handle[i];



		status = efi_call_phys3(sys_table->boottime->handle_protocol,
@@ -285,19 +286,21 @@ static efi_status_t setup_gop(struct screen_info *si, efi_guid_t *proto, 
		if (status != EFI_SUCCESS)

			continue;



		efi_call_phys3(sys_table->boottime->handle_protocol,

			       h, &pciio_proto, &pciio);

		status = efi_call_phys3(sys_table->boottime->handle_protocol,

					h, &conout_proto, &dummy);



		if (status == EFI_SUCCESS)

			conout_found = true;



		status = efi_call_phys4(gop->query_mode, gop,

					gop->mode->mode, &size, &info);

		if (status == EFI_SUCCESS && (!first_gop || pciio)) {

		if (status == EFI_SUCCESS && (!first_gop || conout_found)) {

			/*

			 * Apple provide GOPs that are not backed by

			 * real hardware (they're used to handle

			 * multiple displays). The workaround is to

			 * search for a GOP implementing the PCIIO

			 * protocol, and if one isn't found, to just

			 * fallback to the first GOP.

			 * Systems that use the UEFI Console Splitter may

			 * provide multiple GOP devices, not all of which are

			 * backed by real hardware. The workaround is to search

			 * for a GOP implementing the ConOut protocol, and if

			 * one isn't found, to just fall back to the first GOP.

			 */

			width = info->horizontal_resolution;

			height = info->vertical_resolution;
@@ -308,10 +311,10 @@ static efi_status_t setup_gop(struct screen_info *si, efi_guid_t *proto, 
			pixels_per_scan_line = info->pixels_per_scan_line;



			/*

			 * Once we've found a GOP supporting PCIIO,

			 * Once we've found a GOP supporting ConOut,

			 * don't bother looking any further.

			 */

			if (pciio)

			if (conout_found)

				break;



			first_gop = gop;
@@ -328,7 +331,6 @@ static efi_status_t setup_gop(struct screen_info *si, efi_guid_t *proto, 
	si->lfb_width = width;

	si->lfb_height = height;

	si->lfb_base = fb_base;

	si->lfb_size = fb_size;

	si->pages = 1;



	if (pixel_format == PIXEL_RGB_RESERVED_8BIT_PER_COLOR) {
@@ -376,6 +378,10 @@ static efi_status_t setup_gop(struct screen_info *si, efi_guid_t *proto, 
		si->rsvd_pos = 0;

	}



	si->lfb_size = si->lfb_linelength * si->lfb_height;



	si->capabilities |= VIDEO_CAPABILITY_SKIP_QUIRKS;



free_handle:

	efi_call_phys1(sys_table->boottime->free_pool, gop_handle);

	return status;

arch/x86/boot/compressed/eboot.h

+4 −0
Original line number Diff line number Diff line
@@ -14,6 +14,10 @@ 
#define EFI_PAGE_SIZE		(1UL << EFI_PAGE_SHIFT)

#define EFI_READ_CHUNK_SIZE	(1024 * 1024)



#define EFI_CONSOLE_OUT_DEVICE_GUID    \

	EFI_GUID(0xd3b36f2c, 0xd551, 0x11d4, 0x9a, 0x46, 0x0, 0x90, 0x27, \

		  0x3f, 0xc1, 0x4d)



#define PIXEL_RGB_RESERVED_8BIT_PER_COLOR		0

#define PIXEL_BGR_RESERVED_8BIT_PER_COLOR		1

#define PIXEL_BIT_MASK					2

arch/x86/platform/efi/efi.c

+1 −0
Original line number Diff line number Diff line
@@ -890,6 +890,7 @@ void __init efi_enter_virtual_mode(void) 
	 *

	 * Call EFI services through wrapper functions.

	 */

	efi.runtime_version = efi_systab.fw_revision;

	efi.get_time = virt_efi_get_time;

	efi.set_time = virt_efi_set_time;

	efi.get_wakeup_time = virt_efi_get_wakeup_time;

drivers/video/efifb.c

+3 −1
Original line number Diff line number Diff line
@@ -553,6 +553,8 @@ static int __init efifb_init(void) 
	int ret;

	char *option = NULL;



	if (screen_info.orig_video_isVGA != VIDEO_TYPE_EFI ||

	    !(screen_info.capabilities & VIDEO_CAPABILITY_SKIP_QUIRKS))

		dmi_check_system(dmi_system_table);



	if (screen_info.orig_video_isVGA != VIDEO_TYPE_EFI)