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-rw-r--r--kernel/gsp_phys_booter.c107
1 files changed, 104 insertions, 3 deletions
diff --git a/kernel/gsp_phys_booter.c b/kernel/gsp_phys_booter.c
index d78e0df..1ce8820 100644
--- a/kernel/gsp_phys_booter.c
+++ b/kernel/gsp_phys_booter.c
@@ -19032,11 +19032,27 @@ gsp_phys_gr_poll_break_log(u32 w0, u32 want_qmd, u32 w1, u32 since_us,
u32 usr_gpget = ud ?
get_unaligned_le32(ud + gsp_phys_rmcall_userd_ctl_off() +
GSP_PHYS_RMCALL_USERD_GPGET_OFF) : 0;
+ /*
+ * SESSION 153-CONTINUED-47: re-read the ring slot the launch
+ * published (the entry AS THE ENGINE SEES IT) after the wait, so an
+ * X-vs-beef diff on one boot compares the exact e0/e1 the PBDMA
+ * fetched, plus the doorbell-visible GP_GET/GP_PUT movement.
+ */
+ struct gsp_phys_boot_chunk *r_c =
+ &boot_stage.rmcall_chunks[GSP_PHYS_RMCALL_BUF_GPFIFO];
+ u8 *ring = r_c->pages ? gsp_phys_chunk_page_va(r_c, 0) : NULL;
+ u32 re0 = 0, re1 = 0;
+
+ if (ring && sub->slot < GSP_PHYS_RMCALL_GPFIFO_ENTRIES) {
+ re0 = get_unaligned_le32(ring + sub->slot * 8);
+ re1 = get_unaligned_le32(ring + sub->slot * 8 + 4);
+ }
- pr_info("vgsp-gr: poll break w0=0x%x want=0x%x ch=0x%x after %u us usr_gpget=0x%x gpget=0x%x gpput=0x%x\n",
+ pr_info("vgsp-gr: poll break w0=0x%x want=0x%x ch=0x%x after %u us usr_gpget=0x%x gpget=0x%x gpput=0x%x ring[%u]=%08x %08x (pub %08x %08x)\n",
w0, want_qmd, w1,
(u32)ktime_to_us(ktime_get()) - since_us,
- usr_gpget, sub->gpget, sub->gpput);
+ usr_gpget, sub->gpget, sub->gpput,
+ sub->slot, re0, re1, sub->e0, sub->e1);
/* r425: the healthy-launch SKED/FECS baseline for the wedge compare. */
gsp_phys_gr_sked_wit(gsp_phys_gpu_bar0(), "post-poll");
}
@@ -19613,6 +19629,20 @@ static bool gsp_phys_rmcall_gr_3d_reloc(u32 *up_w, u32 *lo_w,
* in the state binds/method-stream shape. Empty = off (historical
* behaviour); live-tunable via sysfs so one boot can sweep the variants.
*/
+/*
+ * SESSION 153-CONTINUED-47 (A/B knob): gates the newly recognised pair
+ * classes (SET_INDEX_BUFFER_A/B 0x17c8 and the vertex-stream banks
+ * 0x1c20..0x1cf0) in the verbatim-replay relocation pass. Default 0 keeps
+ * the r1035-r1041 baseline relocation set exactly; flipping it live
+ * (`echo Y > /sys/module/vgsp/parameters/sema_gl_idx_reloc`) rewrites the
+ * next launches' index/vertex operands to shadow VAs, so one boot can A/B
+ * the effect instead of comparing across boots.
+ */
+static bool gsp_phys_rmcall_gr_idx_reloc;
+module_param_named(sema_gl_idx_reloc, gsp_phys_rmcall_gr_idx_reloc, bool, 0644);
+MODULE_PARM_DESC(sema_gl_idx_reloc,
+ "Relocate SET_INDEX_BUFFER (0x17c8) and vertex-stream banks 0x1c20..0x1cf0 operands to shadow VAs in 3D replays (default 0 = baseline set only)");
+
static char *gsp_phys_rmcall_gr_win_drop;
module_param_named(sema_gl_win_drop, gsp_phys_rmcall_gr_win_drop, charp, 0644);
MODULE_PARM_DESC(sema_gl_win_drop,
@@ -19659,6 +19689,48 @@ static bool gsp_phys_rmcall_gr_win_drop_match(u32 addr)
}
if (!digits)
break;
+ /*
+ * SESSION 153-CONTINUED-47: `lo-hi` drops every method
+ * byte-address in the closed range (both ends accept the
+ * 0x prefix). The content bisect needs whole families
+ * (`0x3800-0x3a00` MME, `0x3400-0x3500` MME scratch) and
+ * the emptied-window control (`0-0x7ffc`): with the window
+ * stripped whole, a launch that still retires proves the
+ * SET_OBJECT + release tail path is healthy and that the
+ * wedge lives in the stripped content.
+ */
+ if (*p == '-') {
+ const char *q = p + 1;
+ u32 hi = 0;
+ u32 hd = 0;
+
+ if (q[0] == '0' && (q[1] == 'x' || q[1] == 'X'))
+ q += 2;
+ for (;;) {
+ char c = *q;
+ u32 h;
+
+ if (c >= '0' && c <= '9')
+ h = c - '0';
+ else if (c >= 'a' && c <= 'f')
+ h = c - 'a' + 10;
+ else if (c >= 'A' && c <= 'F')
+ h = c - 'A' + 10;
+ else
+ break;
+ if (hi <= 0xfffffffu)
+ hi = (hi << 4) | h;
+ q++;
+ hd++;
+ }
+ if (hd) {
+ p = q;
+ n++;
+ if (addr >= v && addr <= hi)
+ return true;
+ continue;
+ }
+ }
n++;
if (v == addr)
return true;
@@ -19867,6 +19939,34 @@ static u32 gsp_phys_rmcall_gr_3d_patch_window(const u32 *in, u32 n, u32 *out,
* reads. Observed [00001000 1 2150b790]. */
lo_i = 1;
pair = true;
+ } else if (READ_ONCE(gsp_phys_rmcall_gr_idx_reloc) &&
+ op == 1 && addr >= 0x1c20 && addr <= 0x1cf0 &&
+ (addr & 0xfu) == 0u && cnt >= 3) {
+ /* SESSION 153-CONTINUED-47 (A/B knob): widen
+ * the vertex-stream banks from j=0/1 to every
+ * FORMAT slot (0x1c20..0x1cf0). The GLX
+ * client's 3D window binds streams j>=2 that
+ * svc_gl_field already collects into the page
+ * set but the window never had rewritten. */
+ lo_i = 1;
+ pair = true;
+ } else if (READ_ONCE(gsp_phys_rmcall_gr_idx_reloc) &&
+ op == 1 && addr == 0x17c8 && cnt >= 2) {
+ /* SESSION 153-CONTINUED-47 (A/B knob): SET_
+ * INDEX_BUFFER_A/B [ADDRESS_UPPER(7:0),
+ * ADDRESS_LOWER(31:0)] - the indexed draw
+ * fetches its indices through this VA. The
+ * r1042 boot showed an X window carrying
+ * index binds PRI-stalling once relocated
+ * (relocation of exactly this pair is the
+ * only kernel delta vs the r1035 baseline
+ * where index-bearing windows did not exist
+ * and every X window retired), so the
+ * rewrite is gated off by default and A/B-ed
+ * live per boot. Observed [00000000
+ * 0450fcc8] -> VA 0x450fcc8. */
+ lo_i = 0;
+ pair = true;
} else if (op == 1 && addr == 0x2380 && cnt >= 3) {
/* SET_CONSTANT_BUFFER_SELECTOR_A/B:
* [size, upper, lower]; observed
@@ -21769,9 +21869,10 @@ gr_page_unmapped:
break;
}
}
- pr_info("vgsp-gr: GR LAUNCH submitted h=0x%x push=0x%llx len=%u pages=%u shadow=%u qmd_va=0x%llx slot=%u words=%u prelude=%d qmdvirt=%d token=0x%x; polling qmd_rel=%u ch_rel=0x%08x (<=%u ms)%s\n",
+ pr_info("vgsp-gr: GR LAUNCH submitted h=0x%x push=0x%llx len=%u pages=%u shadow=%u qmd_va=0x%llx slot=%u words=%u e0=0x%08x e1=0x%08x prelude=%d qmdvirt=%d token=0x%x; polling qmd_rel=%u ch_rel=0x%08x (<=%u ms)%s\n",
req->h_object, req->push_va, req->push_len, req->n_pages,
n_shadow, req->qmd_va, sub.slot, words,
+ sub.e0, sub.e1,
gsp_phys_rmcall_gr_prelude_value(),
gsp_phys_rmcall_gr_qmdvirt_value(),
boot_stage.rmcall_token,