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

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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: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Matt Atwood <matthew.s.atwood@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
This commit is contained in:
Matt Roper 2023-08-11 09:06:07 -07:00 committed by Rodrigo Vivi
parent 5c82000f54
commit 8e99b54508
1 changed files with 24 additions and 2 deletions
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26
drivers/gpu/drm/xe/xe_gt_mcr.c
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@ -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);
gt->steering[OADDRM].ranges = xelpmp_oaddrm_steering_table;
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;