diff options
| -rw-r--r-- | payloads/libpayload/include/coreboot_tables.h | 7 | ||||
| -rw-r--r-- | src/commonlib/include/commonlib/coreboot_tables.h | 8 | ||||
| -rw-r--r-- | src/drivers/intel/fsp2_0/graphics.c | 10 | ||||
| -rw-r--r-- | src/drivers/intel/fsp2_0/include/fsp/graphics.h | 10 |
4 files changed, 34 insertions, 1 deletions
diff --git a/payloads/libpayload/include/coreboot_tables.h b/payloads/libpayload/include/coreboot_tables.h index 4502e34484..5c3f0c47ec 100644 --- a/payloads/libpayload/include/coreboot_tables.h +++ b/payloads/libpayload/include/coreboot_tables.h @@ -220,6 +220,11 @@ enum cb_fb_orientation { CB_FB_ORIENTATION_RIGHT_UP = 3, }; +struct cb_framebuffer_flags { + u8 has_external_display : 1; + u8 reserved : 7; +}; + struct cb_framebuffer { u32 tag; u32 size; @@ -238,6 +243,8 @@ struct cb_framebuffer { u8 reserved_mask_pos; u8 reserved_mask_size; u8 orientation; + struct cb_framebuffer_flags flags; + u8 pad; }; #define CB_GPIO_ACTIVE_LOW 0 diff --git a/src/commonlib/include/commonlib/coreboot_tables.h b/src/commonlib/include/commonlib/coreboot_tables.h index d77c5eb26f..94985b1567 100644 --- a/src/commonlib/include/commonlib/coreboot_tables.h +++ b/src/commonlib/include/commonlib/coreboot_tables.h @@ -275,6 +275,11 @@ enum lb_fb_orientation { LB_FB_ORIENTATION_RIGHT_UP = 3, }; +struct lb_framebuffer_flags { + uint8_t has_external_display : 1; + uint8_t reserved : 7; +}; + struct lb_framebuffer { uint32_t tag; uint32_t size; @@ -293,7 +298,8 @@ struct lb_framebuffer { uint8_t reserved_mask_pos; uint8_t reserved_mask_size; uint8_t orientation; - uint8_t pad[2]; + struct lb_framebuffer_flags flags; + uint8_t pad; }; struct lb_gpio { diff --git a/src/drivers/intel/fsp2_0/graphics.c b/src/drivers/intel/fsp2_0/graphics.c index 6514209d04..a98f3bbba2 100644 --- a/src/drivers/intel/fsp2_0/graphics.c +++ b/src/drivers/intel/fsp2_0/graphics.c @@ -54,6 +54,13 @@ enum fw_splash_screen_status { FW_SPLASH_SCREEN_ENABLED, }; +/* Check and report if an external display is attached */ +__weak int fsp_soc_report_external_display(void) +{ + /* Default implementation, on-board display enabled */ + return 0; +} + /* * Update elog with Firmware Splash Screen related information * based on enum fw_splash_screen_status. @@ -123,6 +130,9 @@ void fsp_report_framebuffer_info(const uintptr_t framebuffer_bar, .reserved_mask_pos = fbinfo->rsvd.pos, .reserved_mask_size = fbinfo->rsvd.size, .orientation = orientation, + .flags = { + .has_external_display = fsp_soc_report_external_display(), + }, }; fb_add_framebuffer_info_ex(&fb); diff --git a/src/drivers/intel/fsp2_0/include/fsp/graphics.h b/src/drivers/intel/fsp2_0/include/fsp/graphics.h index dfd7b4e65b..a5f781f87f 100644 --- a/src/drivers/intel/fsp2_0/include/fsp/graphics.h +++ b/src/drivers/intel/fsp2_0/include/fsp/graphics.h @@ -14,4 +14,14 @@ void fsp_report_framebuffer_info(const uintptr_t framebuffer_bar, enum lb_fb_orientation orientation); +/* SoC Overrides */ +/* + * Check and report if an external display is attached + * + * Possible return values: + * 1 - An external device is attached. + * 0 - On-board display alone. + */ +int fsp_soc_report_external_display(void); + #endif /* _FSP2_0_GRAPHICS_H_ */ |