[XS] Change in coreboot[main]: soc/intel/alderlake: Attach timestamp around eSOL call

[Subrata Banik (Code Review)]

Subrata Banik has submitted this change. ( https://review.coreboot.org/c/coreboot/+/81387?usp=email )

Change subject: soc/intel/alderlake: Attach timestamp around eSOL call
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soc/intel/alderlake: Attach timestamp around eSOL call

This patch adds timestamp start/end entries around the eSOL
implementation to track the panel initialization time while rendering
the eSOL screen.

TEST=Able to build and boot google/omnigul.

555: started early sign-off life (eSOL) notification    643,694 (40)
556: finished early sign-off life (eSOL) notification   1,072,143 (428,449)

Signed-off-by: Subrata Banik 
Change-Id: I51c04fc4bd2540b3f42e2f896178521d297ef246
Reviewed-on: https://review.coreboot.org/c/coreboot/+/81387
Tested-by: build bot (Jenkins) 
Reviewed-by: Eric Lai 
---
M src/soc/intel/alderlake/romstage/ux.c
1 file changed, 7 insertions(+), 1 deletion(-)

Approvals:
  Eric Lai: Looks good to me, approved
  build bot (Jenkins): Verified

diff --git a/src/soc/intel/alderlake/romstage/ux.c b/src/soc/intel/alderlake/romstage/ux.c
index af8c783..77439ab 100644
--- a/src/soc/intel/alderlake/romstage/ux.c
+++ b/src/soc/intel/alderlake/romstage/ux.c
@@ -3,6 +3,7 @@
 #include <console/console.h>
 #include <intelblocks/early_graphics.h>
 #include <pc80/vga.h>
+#include <timestamp.h>
 #include <ux_locales.h>

#include "ux.h"
@@ -11,9 +12,13 @@

bool ux_inform_user_of_update_operation(const char *name)
 {
+	timestamp_add_now(TS_ESOL_START);
+
    if (!CONFIG(MAINBOARD_HAS_EARLY_LIBGFXINIT) ||
-	    !early_graphics_init())
+	    !early_graphics_init()) {
+		timestamp_add_now(TS_ESOL_END);
    	return false;
+	}

printk(BIOS_INFO, "Informing user on-display of %s.\n", name);

@@ -26,5 +31,6 @@
    vga_write_text(VGA_TEXT_CENTER, VGA_TEXT_HORIZONTAL_MIDDLE,
    	       (const unsigned char *)text);
    ux_locales_unmap();
+	timestamp_add_now(TS_ESOL_END);
    return true;
 }