diff options
Diffstat (limited to 'drivers/gpu/drm/xe/xe_gt_topology.c')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_gt_topology.c | 27 |
1 files changed, 22 insertions, 5 deletions
diff --git a/drivers/gpu/drm/xe/xe_gt_topology.c b/drivers/gpu/drm/xe/xe_gt_topology.c index 25ff03ab8448..0662f71c6ede 100644 --- a/drivers/gpu/drm/xe/xe_gt_topology.c +++ b/drivers/gpu/drm/xe/xe_gt_topology.c @@ -6,6 +6,7 @@ #include "xe_gt_topology.h" #include <linux/bitmap.h> +#include <linux/compiler.h> #include "regs/xe_gt_regs.h" #include "xe_assert.h" @@ -31,7 +32,7 @@ load_dss_mask(struct xe_gt *gt, xe_dss_mask_t mask, int numregs, ...) } static void -load_eu_mask(struct xe_gt *gt, xe_eu_mask_t mask) +load_eu_mask(struct xe_gt *gt, xe_eu_mask_t mask, enum xe_gt_eu_type *eu_type) { struct xe_device *xe = gt_to_xe(gt); u32 reg_val = xe_mmio_read32(gt, XELP_EU_ENABLE); @@ -47,11 +48,13 @@ load_eu_mask(struct xe_gt *gt, xe_eu_mask_t mask) if (GRAPHICS_VERx100(xe) < 1250) reg_val = ~reg_val & XELP_EU_MASK; - /* On PVC, one bit = one EU */ - if (GRAPHICS_VERx100(xe) == 1260) { + if (GRAPHICS_VERx100(xe) == 1260 || GRAPHICS_VER(xe) >= 20) { + /* SIMD16 EUs, one bit == one EU */ + *eu_type = XE_GT_EU_TYPE_SIMD16; val = reg_val; } else { - /* All other platforms, one bit = 2 EU */ + /* SIMD8 EUs, one bit == 2 EU */ + *eu_type = XE_GT_EU_TYPE_SIMD8; for (i = 0; i < fls(reg_val); i++) if (reg_val & BIT(i)) val |= 0x3 << 2 * i; @@ -213,7 +216,7 @@ xe_gt_topology_init(struct xe_gt *gt) XEHP_GT_COMPUTE_DSS_ENABLE, XEHPC_GT_COMPUTE_DSS_ENABLE_EXT, XE2_GT_COMPUTE_DSS_2); - load_eu_mask(gt, gt->fuse_topo.eu_mask_per_dss); + load_eu_mask(gt, gt->fuse_topo.eu_mask_per_dss, >->fuse_topo.eu_type); load_l3_bank_mask(gt, gt->fuse_topo.l3_bank_mask); p = drm_dbg_printer(>_to_xe(gt)->drm, DRM_UT_DRIVER, "GT topology"); @@ -221,6 +224,18 @@ xe_gt_topology_init(struct xe_gt *gt) xe_gt_topology_dump(gt, &p); } +static const char *eu_type_to_str(enum xe_gt_eu_type eu_type) +{ + switch (eu_type) { + case XE_GT_EU_TYPE_SIMD16: + return "simd16"; + case XE_GT_EU_TYPE_SIMD8: + return "simd8"; + } + + return NULL; +} + void xe_gt_topology_dump(struct xe_gt *gt, struct drm_printer *p) { @@ -231,6 +246,8 @@ xe_gt_topology_dump(struct xe_gt *gt, struct drm_printer *p) drm_printf(p, "EU mask per DSS: %*pb\n", XE_MAX_EU_FUSE_BITS, gt->fuse_topo.eu_mask_per_dss); + drm_printf(p, "EU type: %s\n", + eu_type_to_str(gt->fuse_topo.eu_type)); drm_printf(p, "L3 bank mask: %*pb\n", XE_MAX_L3_BANK_MASK_BITS, gt->fuse_topo.l3_bank_mask); |