Commit 0bc3137b authored by Stanley.Yang's avatar Stanley.Yang Committed by Alex Deucher
Browse files

drm/amdgpu: Set EEPROM ras info 



Set EEPROM ras info: rma status, health percent and bad
page threshold.

Signed-off-by: default avatarStanley.Yang <Stanley.Yang@amd.com>
Reviewed-by: default avatarHawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 7c2551fa

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

+24 −0
Original line number Diff line number Diff line
@@ -406,6 +406,7 @@ int amdgpu_ras_eeprom_reset_table(struct amdgpu_ras_eeprom_control *control) 
{

	struct amdgpu_device *adev = to_amdgpu_device(control);

	struct amdgpu_ras_eeprom_table_header *hdr = &control->tbl_hdr;

	struct amdgpu_ras_eeprom_table_ras_info *rai = &control->tbl_rai;

	struct amdgpu_ras *con = amdgpu_ras_get_context(adev);

	u8 csum;

	int res;
@@ -423,6 +424,14 @@ int amdgpu_ras_eeprom_reset_table(struct amdgpu_ras_eeprom_control *control) 
		hdr->first_rec_offset = RAS_RECORD_START_V2_1;

		hdr->tbl_size = RAS_TABLE_HEADER_SIZE +

				RAS_TABLE_V2_1_INFO_SIZE;

		rai->rma_status = GPU_HEALTH_USABLE;

		/**

		 * GPU health represented as a percentage.

		 * 0 means worst health, 100 means fully health.

		 */

		rai->health_percent = 100;

		/* ecc_page_threshold = 0 means disable bad page retirement */

		rai->ecc_page_threshold = con->bad_page_cnt_threshold;

	} else {

		hdr->first_rec_offset = RAS_RECORD_START;

		hdr->tbl_size = RAS_TABLE_HEADER_SIZE;
@@ -712,6 +721,10 @@ amdgpu_ras_eeprom_update_header(struct amdgpu_ras_eeprom_control *control) 
			"Saved bad pages %d reaches threshold value %d\n",

			control->ras_num_recs, ras->bad_page_cnt_threshold);

		control->tbl_hdr.header = RAS_TABLE_HDR_BAD;

		if (control->tbl_hdr.version == RAS_TABLE_VER_V2_1) {

			control->tbl_rai.rma_status = GPU_RETIRED__ECC_REACH_THRESHOLD;

			control->tbl_rai.health_percent = 0;

		}

	}



	if (control->tbl_hdr.version == RAS_TABLE_VER_V2_1)
@@ -749,6 +762,17 @@ amdgpu_ras_eeprom_update_header(struct amdgpu_ras_eeprom_control *control) 
		goto Out;

	}



	/**

	 * bad page records have been stored in eeprom,

	 * now calculate gpu health percent

	 */

	if (amdgpu_bad_page_threshold != 0 &&

	    control->tbl_hdr.version == RAS_TABLE_VER_V2_1 &&

	    control->ras_num_recs < ras->bad_page_cnt_threshold)

		control->tbl_rai.health_percent = ((ras->bad_page_cnt_threshold -

						   control->ras_num_recs) * 100) /

						   ras->bad_page_cnt_threshold;



	/* Recalc the checksum.

	 */

	csum = 0;

drivers/gpu/drm/amd/amdgpu/amdgpu_ras_eeprom.h

+5 −0
Original line number Diff line number Diff line
@@ -31,6 +31,11 @@ 


struct amdgpu_device;



enum amdgpu_ras_gpu_health_status {

	GPU_HEALTH_USABLE = 0,

	GPU_RETIRED__ECC_REACH_THRESHOLD = 2,

};



enum amdgpu_ras_eeprom_err_type {

	AMDGPU_RAS_EEPROM_ERR_NA,

	AMDGPU_RAS_EEPROM_ERR_RECOVERABLE,