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drm/xe/rtp: Generalize whitelist_apply_to_hwe

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Generalize whitelist_apply_to_hwe to construct both non-OA and OA
whitelist nonpriv registers.

Fixes: 828a8eaf37 ("drm/xe/oa: Add MMIO trigger support")
Cc: stable@vger.kernel.org # v6.12+
Signed-off-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Reviewed-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@intel.com>
Link: https://patch.msgid.link/20260615224227.34880-5-ashutosh.dixit@intel.com
(cherry picked from commit c3ff77d7235ccef7a0883c2fd981f70ef3aafd21)
Signed-off-by: Thomas Hellström <thomas.hellstrom@linux.intel.com>
This commit is contained in:
Ashutosh Dixit 2026-06-15 15:42:22 -07:00 committed by Thomas Hellström
parent 60d49ea28b
commit 4fe2844b0f
1 changed files with 6 additions and 5 deletions
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11
drivers/gpu/drm/xe/xe_reg_whitelist.c
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@ -161,9 +161,10 @@ static const struct xe_rtp_table_sr oa_whitelist = XE_RTP_TABLE_SR(
},
);
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;
@ -172,7 +173,7 @@ 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),
@ -189,7 +190,7 @@ 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++;
}
@ -211,7 +212,7 @@ void xe_reg_whitelist_process_engine(struct xe_hw_engine *hwe)
int first_oa_slot;
xe_rtp_process_to_sr(&ctx, &register_whitelist, &hwe->reg_whitelist, false);
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, &hwe->oa_whitelist, false);
}