Commit cf1fcdee authored by Lijo Lazar's avatar Lijo Lazar Committed by Alex Deucher
Browse files

drm/amdgpu: Print bootloader status for long waits 



If it needs a long wait for completion of bootloader execution, report
the status in between. That helps to know if there is some issue during
bootloader execution.

Signed-off-by: default avatarLijo Lazar <lijo.lazar@amd.com>
Reviewed-by: default avatarAsad Kamal <asad.kamal@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 161949dd

drivers/gpu/drm/amd/amdgpu/psp_v13_0.c

+31 −0
Original line number Diff line number Diff line
@@ -85,6 +85,8 @@ MODULE_FIRMWARE("amdgpu/psp_14_0_4_ta.bin"); 


#define regMP1_PUB_SCRATCH0	0x3b10090



#define PSP13_BL_STATUS_SIZE 100



static int psp_v13_0_init_microcode(struct psp_context *psp)

{

	struct amdgpu_device *adev = psp->adev;
@@ -151,6 +153,32 @@ static bool psp_v13_0_is_sos_alive(struct psp_context *psp) 
	return sol_reg != 0x0;

}



static void psp_v13_0_bootloader_print_status(struct psp_context *psp,

					      const char *msg)

{

	struct amdgpu_device *adev = psp->adev;

	u32 bl_status_reg;

	char bl_status_msg[PSP13_BL_STATUS_SIZE];

	int i, at;



	if (amdgpu_ip_version(adev, MP0_HWIP, 0) == IP_VERSION(13, 0, 6) ||

	    amdgpu_ip_version(adev, MP0_HWIP, 0) == IP_VERSION(13, 0, 12) ||

	    amdgpu_ip_version(adev, MP0_HWIP, 0) == IP_VERSION(13, 0, 14)) {

		at = 0;

		for_each_inst(i, adev->aid_mask) {

			bl_status_reg =

				(SOC15_REG_OFFSET(MP0, 0, regMP0_SMN_C2PMSG_92)

				 << 2) +

				adev->asic_funcs->encode_ext_smn_addressing(i);

			at += snprintf(bl_status_msg + at,

				       PSP13_BL_STATUS_SIZE - at,

				       " status(%02i): 0x%08x", i,

				       RREG32_PCIE_EXT(bl_status_reg));

		}

		dev_info(adev->dev, "%s - %s", msg, bl_status_msg);

	}

}



static int psp_v13_0_wait_for_vmbx_ready(struct psp_context *psp)

{

	struct amdgpu_device *adev = psp->adev;
@@ -196,6 +224,9 @@ static int psp_v13_0_wait_for_bootloader(struct psp_context *psp) 


		if (ret == 0)

			return 0;

		if (retry_loop && !(retry_loop % 10))

			psp_v13_0_bootloader_print_status(

				psp, "Waiting for bootloader completion");

	}



	return ret;