diff options
| author | Matt Roper <matthew.d.roper@intel.com> | 2022-10-14 16:02:39 -0700 |
|---|---|---|
| committer | Matt Roper <matthew.d.roper@intel.com> | 2022-10-17 10:18:50 -0700 |
| commit | a7ec65fc7e83f342d1392cac69e4f60c7a7cc4ba (patch) | |
| tree | ab69c4a62d302fc9bd646078f8e9e1d36cfec86c /drivers/gpu/drm/i915/gt | |
| parent | f32898c94a105c221e6fe957aee833e7fc98f95f (diff) | |
drm/i915/xelpmp: Add multicast steering for media GT
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@intel.com>
Reviewed-by: Balasubramani Vivekanandan <balasubramani.vivekanandan@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221014230239.1023689-15-matthew.d.roper@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915/gt')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_gt_mcr.c | 18 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_gt_types.h | 1 | ||||
| -rw-r--r-- | 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 @@ -1599,13 +1599,26 @@ xelpg_gt_workarounds_init(struct intel_gt *gt, struct i915_wa_list *wal) } 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); |