Commit 8e99b545 authored by Matt Roper's avatar Matt Roper Committed by Rodrigo Vivi
Browse files

drm/xe/xe2: Add MCR register steering for media GT 



Xe2 media has a few types of MCR registers, but all except for "GPMXMT"
can safely steer to instance 0,0.  GPMXMT follows the same rules that
MTL's OADDRM ranges did, so it can re-use the same enum value.

Bspec: 71186
Signed-off-by: default avatarMatt Roper <matthew.d.roper@intel.com>
Signed-off-by: default avatarLucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: default avatarMatt Atwood <matthew.s.atwood@intel.com>
Signed-off-by: default avatarRodrigo Vivi <rodrigo.vivi@intel.com>
parent 5c82000f

drivers/gpu/drm/xe/xe_gt_mcr.c

+24 −2
Original line number Diff line number Diff line
@@ -214,6 +214,23 @@ static const struct xe_mmio_range xe2lpg_instance0_steering_table[] = { 
	{},

};



static const struct xe_mmio_range xe2lpm_gpmxmt_steering_table[] = {

	{ 0x388160, 0x38817F },

	{ 0x389480, 0x3894CF },

	{},

};



static const struct xe_mmio_range xe2lpm_instance0_steering_table[] = {

	{ 0x384000, 0x3847DF },         /* GAM, rsvd, GAM */

	{ 0x384900, 0x384AFF },         /* GAM */

	{ 0x389560, 0x3895FF },         /* MEDIAINF */

	{ 0x38B600, 0x38B8FF },         /* L3BANK */

	{ 0x38C800, 0x38D07F },         /* GAM, MEDIAINF */

	{ 0x38F000, 0x38F0FF },         /* GAM */

	{ 0x393C00, 0x393C7F },         /* MEDIAINF */

	{},

};



static void init_steering_l3bank(struct xe_gt *gt)

{

	if (GRAPHICS_VERx100(gt_to_xe(gt)) >= 1270) {
@@ -322,7 +339,7 @@ static const struct { 
	[MSLICE] =	{ "MSLICE",	init_steering_mslice },

	[LNCF] =	{ "LNCF",	NULL }, /* initialized by mslice init */

	[DSS] =		{ "DSS",	init_steering_dss },

	[OADDRM] =	{ "OADDRM",	init_steering_oaddrm },

	[OADDRM] =	{ "OADDRM / GPMXMT", init_steering_oaddrm },

	[SQIDI_PSMI] =  { "SQIDI_PSMI", init_steering_sqidi_psmi },

	[INSTANCE0] =	{ "INSTANCE 0",	init_steering_inst0 },

	[IMPLICIT_STEERING] = { "IMPLICIT", NULL },
@@ -340,7 +357,12 @@ void xe_gt_mcr_init(struct xe_gt *gt) 
	if (gt->info.type == XE_GT_TYPE_MEDIA) {

		drm_WARN_ON(&xe->drm, MEDIA_VER(xe) < 13);



		if (MEDIA_VER(xe) >= 20) {

			gt->steering[OADDRM].ranges = xe2lpm_gpmxmt_steering_table;

			gt->steering[INSTANCE0].ranges = xe2lpm_instance0_steering_table;

		} else {

			gt->steering[OADDRM].ranges = xelpmp_oaddrm_steering_table;

		}

	} else {

		if (GRAPHICS_VER(xe) >= 20) {

			gt->steering[DSS].ranges = xe2lpg_dss_steering_table;