MTL's media IP (Xe_LPM+) only has a single type of steering ("OAADDRM")
which selects between media slice 0 and media slice 1. We'll always
steer to media slice 0 unless it is fused off (which is the case when
VD0, VE0, and SFC0 are all reported as unavailable).
Bspec: 67789
Signed-off-by: Matt Roper <matthew.d.roper@xxxxxxxxx>
---
drivers/gpu/drm/i915/gt/intel_gt_mcr.c | 18 ++++++++++++++++--
drivers/gpu/drm/i915/gt/intel_gt_types.h | 1 +
drivers/gpu/drm/i915/gt/intel_workarounds.c | 17 +++++++++++++++--
3 files changed, 32 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_mcr.c b/drivers/gpu/drm/i915/gt/intel_gt_mcr.c
index 23a1ef9659bf..0d2811724b00 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_mcr.c
+++ b/drivers/gpu/drm/i915/gt/intel_gt_mcr.c
@@ -42,6 +42,7 @@ static const char * const intel_steering_types[] = {
"LNCF",
"GAM",
"DSS",
+ "OADDRM",
"INSTANCE 0",
};
@@ -129,6 +130,11 @@ static const struct intel_mmio_range xelpg_dss_steering_table[] = {
{ 0x00DE80, 0x00E8FF }, /* DSS (0xE000-0xE0FF reserved) */
};
+static const struct intel_mmio_range xelpmp_oaddrm_steering_table[] = {
+ { 0x393200, 0x39323F },
+ { 0x393400, 0x3934FF },
+};
+
void intel_gt_mcr_init(struct intel_gt *gt)
{
struct drm_i915_private *i915 = gt->i915;
@@ -151,8 +157,9 @@ void intel_gt_mcr_init(struct intel_gt *gt)
drm_warn(&i915->drm, "mslice mask all zero!\n");
}
- if (GRAPHICS_VER_FULL(i915) >= IP_VER(12, 70) &&
- gt->type == GT_PRIMARY) {
+ if (MEDIA_VER(i915) >= 13 && gt->type == GT_MEDIA) {
+ gt->steering_table[OADDRM] = xelpmp_oaddrm_steering_table;
+ } else if (GRAPHICS_VER_FULL(i915) >= IP_VER(12, 70)) {
fuse = REG_FIELD_GET(GT_L3_EXC_MASK,
intel_uncore_read(gt->uncore, XEHP_FUSE4));
@@ -514,6 +521,13 @@ static void get_nonterminated_steering(struct intel_gt *gt,
*group = 0;
*instance = 0;
break;
+ case OADDRM:
+ if ((VDBOX_MASK(gt) | VEBOX_MASK(gt) | gt->info.sfc_mask) & BIT(0))
+ *group = 0;
+ else
+ *group = 1;
+ *instance = 0;
+ break;
default:
MISSING_CASE(type);
*group = 0;
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_types.h b/drivers/gpu/drm/i915/gt/intel_gt_types.h
index 0bb73d110a84..64aa2ba624fc 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_types.h
+++ b/drivers/gpu/drm/i915/gt/intel_gt_types.h
@@ -61,6 +61,7 @@ enum intel_steering_type {
LNCF,
GAM,
DSS,
+ OADDRM,
/*
* On some platforms there are multiple types of MCR registers that
diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
index 711a31935857..bae960486872 100644
--- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
@@ -1598,14 +1598,27 @@ xelpg_gt_workarounds_init(struct intel_gt *gt, struct i915_wa_list *wal)
debug_dump_steering(gt);
}
+static void
+xelpmp_gt_workarounds_init(struct intel_gt *gt, struct i915_wa_list *wal)
+{
+ /* FIXME: Actual workarounds will be added in future patch(es) */
+
+ debug_dump_steering(gt);
+}
+
static void
gt_init_workarounds(struct intel_gt *gt, struct i915_wa_list *wal)
{
struct drm_i915_private *i915 = gt->i915;
- /* FIXME: Media GT handling will be added in an upcoming patch */
- if (gt->type == GT_MEDIA)
+ if (gt->type == GT_MEDIA) {
+ if (MEDIA_VER(i915) >= 13)
+ xelpmp_gt_workarounds_init(gt, wal);
+ else
+ MISSING_CASE(MEDIA_VER(i915));
+
return;
+ }
if (GRAPHICS_VER_FULL(i915) >= IP_VER(12, 70))
xelpg_gt_workarounds_init(gt, wal);
--
2.37.3
