[PATCH 6.18.y 05/10] drm/xe/rtp: Generalize whitelist_apply_to_hwe
Ashutosh Dixit <[email protected]> Mon, 3 Aug 2026 16:26:03 -0700
| Newsgroups | org.kernel.vger.stable |
|---|---|
| Message-ID | <[email protected]> |
[ Upstream commit c3ff77d7235ccef7a0883c2fd981f70ef3aafd21 ]
Generalize whitelist_apply_to_hwe to construct both non-OA and OA
whitelist nonpriv registers.
Fixes: 828a8eaf37c3 ("drm/xe/oa: Add MMIO trigger support")
Cc: [email protected] # v6.12+
Signed-off-by: Ashutosh Dixit <[email protected]>
Reviewed-by: Umesh Nerlige Ramappa <[email protected]>
Link: https://patch.msgid.link/[email protected]
---
drivers/gpu/drm/xe/xe_reg_whitelist.c | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/xe/xe_reg_whitelist.c b/drivers/gpu/drm/xe/xe_reg_whitelist.c
index a5658b2df0cc1..cc9f0f598e49c 100644
--- a/drivers/gpu/drm/xe/xe_reg_whitelist.c
+++ b/drivers/gpu/drm/xe/xe_reg_whitelist.c
@@ -92,9 +92,10 @@ static const struct xe_rtp_entry_sr oa_whitelist[] = {
},
};
-static int whitelist_apply_to_hwe(struct xe_hw_engine *hwe)
+static int whitelist_apply_to_hwe(struct xe_hw_engine *hwe, struct xe_reg_sr *in,
+ struct xe_reg_sr *out, int first_slot)
{
- struct xe_reg_sr *sr = &hwe->reg_whitelist;
+ struct xe_reg_sr *sr = in;
struct xe_reg_sr_entry *entry;
struct drm_printer p;
unsigned long reg;
@@ -103,7 +104,7 @@ static int whitelist_apply_to_hwe(struct xe_hw_engine *hwe)
xe_gt_dbg(hwe->gt, "Add %s whitelist to engine\n", sr->name);
p = xe_gt_dbg_printer(hwe->gt);
- slot = 0;
+ slot = first_slot;
xa_for_each(&sr->xa, reg, entry) {
struct xe_reg_sr_entry hwe_entry = {
.reg = RING_FORCE_TO_NONPRIV(hwe->mmio_base, slot),
@@ -120,7 +121,7 @@ static int whitelist_apply_to_hwe(struct xe_hw_engine *hwe)
}
xe_reg_whitelist_print_entry(&p, 0, reg, entry);
- xe_reg_sr_add(&hwe->reg_sr, &hwe_entry, hwe->gt);
+ xe_reg_sr_add(out, &hwe_entry, hwe->gt);
slot++;
}
@@ -143,7 +144,7 @@ void xe_reg_whitelist_process_engine(struct xe_hw_engine *hwe)
xe_rtp_process_to_sr(&ctx, register_whitelist, ARRAY_SIZE(register_whitelist),
&hwe->reg_whitelist);
- first_oa_slot = whitelist_apply_to_hwe(hwe);
+ first_oa_slot = whitelist_apply_to_hwe(hwe, &hwe->reg_whitelist, &hwe->reg_sr, 0);
xe_rtp_process_to_sr(&ctx, oa_whitelist, ARRAY_SIZE(oa_whitelist),
&hwe->oa_whitelist);
--
2.54.0