| Message ID | 20190129192227.1530-1-pjones@redhat.com (mailing list archive) |
|---|---|
| State | Not Applicable, archived |
| Headers | show |
| Series | EFI: Expose GOP mode number through sysfs and add documentation. | expand |
(add Arnd and linux-api for the uapi change) On Tue, 29 Jan 2019 at 20:22, Peter Jones <pjones@redhat.com> wrote: > > To use the EFI firmware update "UX Capsule" extension, we need to know > what the GOP video mode number was during boot. This patch adds it to > the efi-framebuffer.N devices in sysfs and adds the various files in > /sys/bus/platform/drivers/efi-framebuffer/efi-framebuffer.N/ to the > sysfs documentation. > > Signed-off-by: Peter Jones <pjones@redhat.com> > --- > drivers/firmware/efi/libstub/gop.c | 16 ++++++++++++---- > drivers/video/fbdev/efifb.c | 11 +++++++++++ > include/uapi/linux/screen_info.h | 4 ++-- > Documentation/ABI/testing/sysfs-firmware-efi | 15 +++++++++++++++ > 4 files changed, 40 insertions(+), 6 deletions(-) > > diff --git a/drivers/firmware/efi/libstub/gop.c b/drivers/firmware/efi/libstub/gop.c > index 24c461dea7a..f9e174acb0b 100644 > --- a/drivers/firmware/efi/libstub/gop.c > +++ b/drivers/firmware/efi/libstub/gop.c > @@ -89,7 +89,7 @@ static efi_status_t > __gop_query32(efi_system_table_t *sys_table_arg, > struct efi_graphics_output_protocol_32 *gop32, > struct efi_graphics_output_mode_info **info, > - unsigned long *size, u64 *fb_base) > + unsigned long *size, u64 *fb_base, u32 *mode_num) > { > struct efi_graphics_output_protocol_mode_32 *mode; > efi_graphics_output_protocol_query_mode query_mode; > @@ -106,6 +106,7 @@ __gop_query32(efi_system_table_t *sys_table_arg, > return status; > > *fb_base = mode->frame_buffer_base; > + *mode_num = mode->mode; > return status; > } > > @@ -115,6 +116,7 @@ setup_gop32(efi_system_table_t *sys_table_arg, struct screen_info *si, > { > struct efi_graphics_output_protocol_32 *gop32, *first_gop; > unsigned long nr_gops; > + u32 mode_num; > u16 width, height; > u32 pixels_per_scan_line; > u32 ext_lfb_base; > @@ -148,7 +150,7 @@ setup_gop32(efi_system_table_t *sys_table_arg, struct screen_info *si, > conout_found = true; > > status = __gop_query32(sys_table_arg, gop32, &info, &size, > - ¤t_fb_base); > + ¤t_fb_base, &mode_num); > if (status == EFI_SUCCESS && (!first_gop || conout_found) && > info->pixel_format != PIXEL_BLT_ONLY) { > /* > @@ -182,6 +184,8 @@ setup_gop32(efi_system_table_t *sys_table_arg, struct screen_info *si, > /* EFI framebuffer */ > si->orig_video_isVGA = VIDEO_TYPE_EFI; > > + si->efi_gop_mode_high = (mode_num & 0xff00) >> 16; > + si->efi_gop_mode_low = (mode_num & 0xff); > si->lfb_width = width; > si->lfb_height = height; > si->lfb_base = fb_base; > @@ -207,7 +211,7 @@ static efi_status_t > __gop_query64(efi_system_table_t *sys_table_arg, > struct efi_graphics_output_protocol_64 *gop64, > struct efi_graphics_output_mode_info **info, > - unsigned long *size, u64 *fb_base) > + unsigned long *size, u64 *fb_base, u32 *mode_num) > { > struct efi_graphics_output_protocol_mode_64 *mode; > efi_graphics_output_protocol_query_mode query_mode; > @@ -224,6 +228,7 @@ __gop_query64(efi_system_table_t *sys_table_arg, > return status; > > *fb_base = mode->frame_buffer_base; > + *mode_num = mode->mode; > return status; > } > > @@ -233,6 +238,7 @@ setup_gop64(efi_system_table_t *sys_table_arg, struct screen_info *si, > { > struct efi_graphics_output_protocol_64 *gop64, *first_gop; > unsigned long nr_gops; > + u32 mode_num; > u16 width, height; > u32 pixels_per_scan_line; > u32 ext_lfb_base; > @@ -266,7 +272,7 @@ setup_gop64(efi_system_table_t *sys_table_arg, struct screen_info *si, > conout_found = true; > > status = __gop_query64(sys_table_arg, gop64, &info, &size, > - ¤t_fb_base); > + ¤t_fb_base, &mode_num); > if (status == EFI_SUCCESS && (!first_gop || conout_found) && > info->pixel_format != PIXEL_BLT_ONLY) { > /* > @@ -300,6 +306,8 @@ setup_gop64(efi_system_table_t *sys_table_arg, struct screen_info *si, > /* EFI framebuffer */ > si->orig_video_isVGA = VIDEO_TYPE_EFI; > > + si->efi_gop_mode_high = (mode_num & 0xff00) >> 16; > + si->efi_gop_mode_low = (mode_num & 0xff); > si->lfb_width = width; > si->lfb_height = height; > si->lfb_base = fb_base; > diff --git a/drivers/video/fbdev/efifb.c b/drivers/video/fbdev/efifb.c > index ba906876cc4..3250f3f9152 100644 > --- a/drivers/video/fbdev/efifb.c > +++ b/drivers/video/fbdev/efifb.c > @@ -331,12 +331,23 @@ efifb_attr_decl(height, "%u"); > efifb_attr_decl(width, "%u"); > efifb_attr_decl(depth, "%u"); > > +static ssize_t gop_mode_show(struct device *dev, > + struct device_attribute *attr, > + char *buf) > +{ > + return sprintf(buf, "0x%04hx%04hx\n", > + screen_info.efi_gop_mode_high, > + screen_info.efi_gop_mode_low); > +} > +static DEVICE_ATTR_RO(gop_mode); > + > static struct attribute *efifb_attrs[] = { > &dev_attr_base.attr, > &dev_attr_linelength.attr, > &dev_attr_width.attr, > &dev_attr_height.attr, > &dev_attr_depth.attr, > + &dev_attr_gop_mode.attr, > NULL > }; > ATTRIBUTE_GROUPS(efifb); > diff --git a/include/uapi/linux/screen_info.h b/include/uapi/linux/screen_info.h > index 87e5c086938..a8eb2d76167 100644 > --- a/include/uapi/linux/screen_info.h > +++ b/include/uapi/linux/screen_info.h > @@ -18,7 +18,7 @@ struct screen_info { > __u8 flags; /* 0x08 */ > __u8 unused2; /* 0x09 */ > __u16 orig_video_ega_bx;/* 0x0a */ > - __u16 unused3; /* 0x0c */ > + __u16 efi_gop_mode_low; /* 0x0c */ > __u8 orig_video_lines; /* 0x0e */ > __u8 orig_video_isVGA; /* 0x0f */ > __u16 orig_video_points;/* 0x10 */ > @@ -45,7 +45,7 @@ struct screen_info { > __u16 vesa_attributes; /* 0x34 */ > __u32 capabilities; /* 0x36 */ > __u32 ext_lfb_base; /* 0x3a */ > - __u8 _reserved[2]; /* 0x3e */ > + __u16 efi_gop_mode_high;/* 0x3e */ > } __attribute__((packed)); > > #define VIDEO_TYPE_MDA 0x10 /* Monochrome Text Display */ > diff --git a/Documentation/ABI/testing/sysfs-firmware-efi b/Documentation/ABI/testing/sysfs-firmware-efi > index e794eac32a9..6c169599863 100644 > --- a/Documentation/ABI/testing/sysfs-firmware-efi > +++ b/Documentation/ABI/testing/sysfs-firmware-efi > @@ -28,3 +28,18 @@ Description: Displays the physical addresses of all EFI Configuration > versions are always printed first, i.e. ACPI20 comes > before ACPI. > Users: dmidecode > + > +What: /sys/bus/platform/drivers/efi-framebuffer/efi-framebuffer.N/ > +Date: October 2016 > +Contact: linux-efi@vger.kernel.org > +Description: The characteristics of the EFI GOP framebuffer device. > + > + base: The physical address of the framebuffer memory. > + depth: The color depth of the framebuffer, in bits. > + height: The height of the displayed frame in pixels. > + linelength: The size of one line (i.e. the stride) of the > + framebuffer memory, in bytes. > + width: The width of the displayed frame in pixels. > + gop_mode: The index into the EFI GOP mode table for the mode in > + use during boot-up. > +Users: fwupd > -- > 2.20.1 >
On Wed, 30 Jan 2019 at 14:13, Ard Biesheuvel <ard.biesheuvel@linaro.org> wrote: > > (add Arnd and linux-api for the uapi change) > (... and team-x86) > On Tue, 29 Jan 2019 at 20:22, Peter Jones <pjones@redhat.com> wrote: > > > > To use the EFI firmware update "UX Capsule" extension, we need to know > > what the GOP video mode number was during boot. This patch adds it to > > the efi-framebuffer.N devices in sysfs and adds the various files in > > /sys/bus/platform/drivers/efi-framebuffer/efi-framebuffer.N/ to the > > sysfs documentation. > > > > Signed-off-by: Peter Jones <pjones@redhat.com> > > --- > > drivers/firmware/efi/libstub/gop.c | 16 ++++++++++++---- > > drivers/video/fbdev/efifb.c | 11 +++++++++++ > > include/uapi/linux/screen_info.h | 4 ++-- > > Documentation/ABI/testing/sysfs-firmware-efi | 15 +++++++++++++++ > > 4 files changed, 40 insertions(+), 6 deletions(-) > > > > diff --git a/drivers/firmware/efi/libstub/gop.c b/drivers/firmware/efi/libstub/gop.c > > index 24c461dea7a..f9e174acb0b 100644 > > --- a/drivers/firmware/efi/libstub/gop.c > > +++ b/drivers/firmware/efi/libstub/gop.c > > @@ -89,7 +89,7 @@ static efi_status_t > > __gop_query32(efi_system_table_t *sys_table_arg, > > struct efi_graphics_output_protocol_32 *gop32, > > struct efi_graphics_output_mode_info **info, > > - unsigned long *size, u64 *fb_base) > > + unsigned long *size, u64 *fb_base, u32 *mode_num) > > { > > struct efi_graphics_output_protocol_mode_32 *mode; > > efi_graphics_output_protocol_query_mode query_mode; > > @@ -106,6 +106,7 @@ __gop_query32(efi_system_table_t *sys_table_arg, > > return status; > > > > *fb_base = mode->frame_buffer_base; > > + *mode_num = mode->mode; > > return status; > > } > > > > @@ -115,6 +116,7 @@ setup_gop32(efi_system_table_t *sys_table_arg, struct screen_info *si, > > { > > struct efi_graphics_output_protocol_32 *gop32, *first_gop; > > unsigned long nr_gops; > > + u32 mode_num; > > u16 width, height; > > u32 pixels_per_scan_line; > > u32 ext_lfb_base; > > @@ -148,7 +150,7 @@ setup_gop32(efi_system_table_t *sys_table_arg, struct screen_info *si, > > conout_found = true; > > > > status = __gop_query32(sys_table_arg, gop32, &info, &size, > > - ¤t_fb_base); > > + ¤t_fb_base, &mode_num); > > if (status == EFI_SUCCESS && (!first_gop || conout_found) && > > info->pixel_format != PIXEL_BLT_ONLY) { > > /* > > @@ -182,6 +184,8 @@ setup_gop32(efi_system_table_t *sys_table_arg, struct screen_info *si, > > /* EFI framebuffer */ > > si->orig_video_isVGA = VIDEO_TYPE_EFI; > > > > + si->efi_gop_mode_high = (mode_num & 0xff00) >> 16; > > + si->efi_gop_mode_low = (mode_num & 0xff); > > si->lfb_width = width; > > si->lfb_height = height; > > si->lfb_base = fb_base; > > @@ -207,7 +211,7 @@ static efi_status_t > > __gop_query64(efi_system_table_t *sys_table_arg, > > struct efi_graphics_output_protocol_64 *gop64, > > struct efi_graphics_output_mode_info **info, > > - unsigned long *size, u64 *fb_base) > > + unsigned long *size, u64 *fb_base, u32 *mode_num) > > { > > struct efi_graphics_output_protocol_mode_64 *mode; > > efi_graphics_output_protocol_query_mode query_mode; > > @@ -224,6 +228,7 @@ __gop_query64(efi_system_table_t *sys_table_arg, > > return status; > > > > *fb_base = mode->frame_buffer_base; > > + *mode_num = mode->mode; > > return status; > > } > > > > @@ -233,6 +238,7 @@ setup_gop64(efi_system_table_t *sys_table_arg, struct screen_info *si, > > { > > struct efi_graphics_output_protocol_64 *gop64, *first_gop; > > unsigned long nr_gops; > > + u32 mode_num; > > u16 width, height; > > u32 pixels_per_scan_line; > > u32 ext_lfb_base; > > @@ -266,7 +272,7 @@ setup_gop64(efi_system_table_t *sys_table_arg, struct screen_info *si, > > conout_found = true; > > > > status = __gop_query64(sys_table_arg, gop64, &info, &size, > > - ¤t_fb_base); > > + ¤t_fb_base, &mode_num); > > if (status == EFI_SUCCESS && (!first_gop || conout_found) && > > info->pixel_format != PIXEL_BLT_ONLY) { > > /* > > @@ -300,6 +306,8 @@ setup_gop64(efi_system_table_t *sys_table_arg, struct screen_info *si, > > /* EFI framebuffer */ > > si->orig_video_isVGA = VIDEO_TYPE_EFI; > > > > + si->efi_gop_mode_high = (mode_num & 0xff00) >> 16; > > + si->efi_gop_mode_low = (mode_num & 0xff); > > si->lfb_width = width; > > si->lfb_height = height; > > si->lfb_base = fb_base; > > diff --git a/drivers/video/fbdev/efifb.c b/drivers/video/fbdev/efifb.c > > index ba906876cc4..3250f3f9152 100644 > > --- a/drivers/video/fbdev/efifb.c > > +++ b/drivers/video/fbdev/efifb.c > > @@ -331,12 +331,23 @@ efifb_attr_decl(height, "%u"); > > efifb_attr_decl(width, "%u"); > > efifb_attr_decl(depth, "%u"); > > > > +static ssize_t gop_mode_show(struct device *dev, > > + struct device_attribute *attr, > > + char *buf) > > +{ > > + return sprintf(buf, "0x%04hx%04hx\n", > > + screen_info.efi_gop_mode_high, > > + screen_info.efi_gop_mode_low); > > +} > > +static DEVICE_ATTR_RO(gop_mode); > > + > > static struct attribute *efifb_attrs[] = { > > &dev_attr_base.attr, > > &dev_attr_linelength.attr, > > &dev_attr_width.attr, > > &dev_attr_height.attr, > > &dev_attr_depth.attr, > > + &dev_attr_gop_mode.attr, > > NULL > > }; > > ATTRIBUTE_GROUPS(efifb); > > diff --git a/include/uapi/linux/screen_info.h b/include/uapi/linux/screen_info.h > > index 87e5c086938..a8eb2d76167 100644 > > --- a/include/uapi/linux/screen_info.h > > +++ b/include/uapi/linux/screen_info.h > > @@ -18,7 +18,7 @@ struct screen_info { > > __u8 flags; /* 0x08 */ > > __u8 unused2; /* 0x09 */ > > __u16 orig_video_ega_bx;/* 0x0a */ > > - __u16 unused3; /* 0x0c */ > > + __u16 efi_gop_mode_low; /* 0x0c */ > > __u8 orig_video_lines; /* 0x0e */ > > __u8 orig_video_isVGA; /* 0x0f */ > > __u16 orig_video_points;/* 0x10 */ > > @@ -45,7 +45,7 @@ struct screen_info { > > __u16 vesa_attributes; /* 0x34 */ > > __u32 capabilities; /* 0x36 */ > > __u32 ext_lfb_base; /* 0x3a */ > > - __u8 _reserved[2]; /* 0x3e */ > > + __u16 efi_gop_mode_high;/* 0x3e */ > > } __attribute__((packed)); > > > > #define VIDEO_TYPE_MDA 0x10 /* Monochrome Text Display */ > > diff --git a/Documentation/ABI/testing/sysfs-firmware-efi b/Documentation/ABI/testing/sysfs-firmware-efi > > index e794eac32a9..6c169599863 100644 > > --- a/Documentation/ABI/testing/sysfs-firmware-efi > > +++ b/Documentation/ABI/testing/sysfs-firmware-efi > > @@ -28,3 +28,18 @@ Description: Displays the physical addresses of all EFI Configuration > > versions are always printed first, i.e. ACPI20 comes > > before ACPI. > > Users: dmidecode > > + > > +What: /sys/bus/platform/drivers/efi-framebuffer/efi-framebuffer.N/ > > +Date: October 2016 > > +Contact: linux-efi@vger.kernel.org > > +Description: The characteristics of the EFI GOP framebuffer device. > > + > > + base: The physical address of the framebuffer memory. > > + depth: The color depth of the framebuffer, in bits. > > + height: The height of the displayed frame in pixels. > > + linelength: The size of one line (i.e. the stride) of the > > + framebuffer memory, in bytes. > > + width: The width of the displayed frame in pixels. > > + gop_mode: The index into the EFI GOP mode table for the mode in > > + use during boot-up. > > +Users: fwupd > > -- > > 2.20.1 > >
diff --git a/drivers/firmware/efi/libstub/gop.c b/drivers/firmware/efi/libstub/gop.c index 24c461dea7a..f9e174acb0b 100644 --- a/drivers/firmware/efi/libstub/gop.c +++ b/drivers/firmware/efi/libstub/gop.c @@ -89,7 +89,7 @@ static efi_status_t __gop_query32(efi_system_table_t *sys_table_arg, struct efi_graphics_output_protocol_32 *gop32, struct efi_graphics_output_mode_info **info, - unsigned long *size, u64 *fb_base) + unsigned long *size, u64 *fb_base, u32 *mode_num) { struct efi_graphics_output_protocol_mode_32 *mode; efi_graphics_output_protocol_query_mode query_mode; @@ -106,6 +106,7 @@ __gop_query32(efi_system_table_t *sys_table_arg, return status; *fb_base = mode->frame_buffer_base; + *mode_num = mode->mode; return status; } @@ -115,6 +116,7 @@ setup_gop32(efi_system_table_t *sys_table_arg, struct screen_info *si, { struct efi_graphics_output_protocol_32 *gop32, *first_gop; unsigned long nr_gops; + u32 mode_num; u16 width, height; u32 pixels_per_scan_line; u32 ext_lfb_base; @@ -148,7 +150,7 @@ setup_gop32(efi_system_table_t *sys_table_arg, struct screen_info *si, conout_found = true; status = __gop_query32(sys_table_arg, gop32, &info, &size, - ¤t_fb_base); + ¤t_fb_base, &mode_num); if (status == EFI_SUCCESS && (!first_gop || conout_found) && info->pixel_format != PIXEL_BLT_ONLY) { /* @@ -182,6 +184,8 @@ setup_gop32(efi_system_table_t *sys_table_arg, struct screen_info *si, /* EFI framebuffer */ si->orig_video_isVGA = VIDEO_TYPE_EFI; + si->efi_gop_mode_high = (mode_num & 0xff00) >> 16; + si->efi_gop_mode_low = (mode_num & 0xff); si->lfb_width = width; si->lfb_height = height; si->lfb_base = fb_base; @@ -207,7 +211,7 @@ static efi_status_t __gop_query64(efi_system_table_t *sys_table_arg, struct efi_graphics_output_protocol_64 *gop64, struct efi_graphics_output_mode_info **info, - unsigned long *size, u64 *fb_base) + unsigned long *size, u64 *fb_base, u32 *mode_num) { struct efi_graphics_output_protocol_mode_64 *mode; efi_graphics_output_protocol_query_mode query_mode; @@ -224,6 +228,7 @@ __gop_query64(efi_system_table_t *sys_table_arg, return status; *fb_base = mode->frame_buffer_base; + *mode_num = mode->mode; return status; } @@ -233,6 +238,7 @@ setup_gop64(efi_system_table_t *sys_table_arg, struct screen_info *si, { struct efi_graphics_output_protocol_64 *gop64, *first_gop; unsigned long nr_gops; + u32 mode_num; u16 width, height; u32 pixels_per_scan_line; u32 ext_lfb_base; @@ -266,7 +272,7 @@ setup_gop64(efi_system_table_t *sys_table_arg, struct screen_info *si, conout_found = true; status = __gop_query64(sys_table_arg, gop64, &info, &size, - ¤t_fb_base); + ¤t_fb_base, &mode_num); if (status == EFI_SUCCESS && (!first_gop || conout_found) && info->pixel_format != PIXEL_BLT_ONLY) { /* @@ -300,6 +306,8 @@ setup_gop64(efi_system_table_t *sys_table_arg, struct screen_info *si, /* EFI framebuffer */ si->orig_video_isVGA = VIDEO_TYPE_EFI; + si->efi_gop_mode_high = (mode_num & 0xff00) >> 16; + si->efi_gop_mode_low = (mode_num & 0xff); si->lfb_width = width; si->lfb_height = height; si->lfb_base = fb_base; diff --git a/drivers/video/fbdev/efifb.c b/drivers/video/fbdev/efifb.c index ba906876cc4..3250f3f9152 100644 --- a/drivers/video/fbdev/efifb.c +++ b/drivers/video/fbdev/efifb.c @@ -331,12 +331,23 @@ efifb_attr_decl(height, "%u"); efifb_attr_decl(width, "%u"); efifb_attr_decl(depth, "%u"); +static ssize_t gop_mode_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + return sprintf(buf, "0x%04hx%04hx\n", + screen_info.efi_gop_mode_high, + screen_info.efi_gop_mode_low); +} +static DEVICE_ATTR_RO(gop_mode); + static struct attribute *efifb_attrs[] = { &dev_attr_base.attr, &dev_attr_linelength.attr, &dev_attr_width.attr, &dev_attr_height.attr, &dev_attr_depth.attr, + &dev_attr_gop_mode.attr, NULL }; ATTRIBUTE_GROUPS(efifb); diff --git a/include/uapi/linux/screen_info.h b/include/uapi/linux/screen_info.h index 87e5c086938..a8eb2d76167 100644 --- a/include/uapi/linux/screen_info.h +++ b/include/uapi/linux/screen_info.h @@ -18,7 +18,7 @@ struct screen_info { __u8 flags; /* 0x08 */ __u8 unused2; /* 0x09 */ __u16 orig_video_ega_bx;/* 0x0a */ - __u16 unused3; /* 0x0c */ + __u16 efi_gop_mode_low; /* 0x0c */ __u8 orig_video_lines; /* 0x0e */ __u8 orig_video_isVGA; /* 0x0f */ __u16 orig_video_points;/* 0x10 */ @@ -45,7 +45,7 @@ struct screen_info { __u16 vesa_attributes; /* 0x34 */ __u32 capabilities; /* 0x36 */ __u32 ext_lfb_base; /* 0x3a */ - __u8 _reserved[2]; /* 0x3e */ + __u16 efi_gop_mode_high;/* 0x3e */ } __attribute__((packed)); #define VIDEO_TYPE_MDA 0x10 /* Monochrome Text Display */ diff --git a/Documentation/ABI/testing/sysfs-firmware-efi b/Documentation/ABI/testing/sysfs-firmware-efi index e794eac32a9..6c169599863 100644 --- a/Documentation/ABI/testing/sysfs-firmware-efi +++ b/Documentation/ABI/testing/sysfs-firmware-efi @@ -28,3 +28,18 @@ Description: Displays the physical addresses of all EFI Configuration versions are always printed first, i.e. ACPI20 comes before ACPI. Users: dmidecode + +What: /sys/bus/platform/drivers/efi-framebuffer/efi-framebuffer.N/ +Date: October 2016 +Contact: linux-efi@vger.kernel.org +Description: The characteristics of the EFI GOP framebuffer device. + + base: The physical address of the framebuffer memory. + depth: The color depth of the framebuffer, in bits. + height: The height of the displayed frame in pixels. + linelength: The size of one line (i.e. the stride) of the + framebuffer memory, in bytes. + width: The width of the displayed frame in pixels. + gop_mode: The index into the EFI GOP mode table for the mode in + use during boot-up. +Users: fwupd
To use the EFI firmware update "UX Capsule" extension, we need to know what the GOP video mode number was during boot. This patch adds it to the efi-framebuffer.N devices in sysfs and adds the various files in /sys/bus/platform/drivers/efi-framebuffer/efi-framebuffer.N/ to the sysfs documentation. Signed-off-by: Peter Jones <pjones@redhat.com> --- drivers/firmware/efi/libstub/gop.c | 16 ++++++++++++---- drivers/video/fbdev/efifb.c | 11 +++++++++++ include/uapi/linux/screen_info.h | 4 ++-- Documentation/ABI/testing/sysfs-firmware-efi | 15 +++++++++++++++ 4 files changed, 40 insertions(+), 6 deletions(-)