From: Ashutosh Dixit Date: Mon, 15 Jun 2026 22:42:21 +0000 (-0700) Subject: drm/xe/rtp: Keep track of non-OA nonpriv slots X-Git-Tag: v7.2-rc2~10^2~1^2~15 X-Git-Url: http://git.ipfire.org/gitweb/?a=commitdiff_plain;h=60d49ea28bb190a640bd8dc3f4c946e0811a948c;p=thirdparty%2Flinux.git drm/xe/rtp: Keep track of non-OA nonpriv slots In order to dynamically whitelist/dewhitelist OA registers on OA stream open/close, we need to keep track of nonpriv slots occupied by non-OA register whitelists. Fixes: 828a8eaf37c3 ("drm/xe/oa: Add MMIO trigger support") Cc: stable@vger.kernel.org # v6.12+ Signed-off-by: Ashutosh Dixit Reviewed-by: Umesh Nerlige Ramappa Link: https://patch.msgid.link/20260615224227.34880-4-ashutosh.dixit@intel.com (cherry picked from commit 15739920b71ef3c56868973b4e7e3164a793d09d) Signed-off-by: Thomas Hellström --- diff --git a/drivers/gpu/drm/xe/xe_reg_whitelist.c b/drivers/gpu/drm/xe/xe_reg_whitelist.c index 6d642c2f6fd7..b5ae7d26e5ba 100644 --- a/drivers/gpu/drm/xe/xe_reg_whitelist.c +++ b/drivers/gpu/drm/xe/xe_reg_whitelist.c @@ -161,7 +161,7 @@ static const struct xe_rtp_table_sr oa_whitelist = XE_RTP_TABLE_SR( }, ); -static void whitelist_apply_to_hwe(struct xe_hw_engine *hwe) +static int whitelist_apply_to_hwe(struct xe_hw_engine *hwe) { struct xe_reg_sr *sr = &hwe->reg_whitelist; struct xe_reg_sr_entry *entry; @@ -193,6 +193,8 @@ static void whitelist_apply_to_hwe(struct xe_hw_engine *hwe) slot++; } + + return slot; } /** @@ -206,9 +208,10 @@ static void whitelist_apply_to_hwe(struct xe_hw_engine *hwe) void xe_reg_whitelist_process_engine(struct xe_hw_engine *hwe) { struct xe_rtp_process_ctx ctx = XE_RTP_PROCESS_CTX_INITIALIZER(hwe); + int first_oa_slot; xe_rtp_process_to_sr(&ctx, ®ister_whitelist, &hwe->reg_whitelist, false); - whitelist_apply_to_hwe(hwe); + first_oa_slot = whitelist_apply_to_hwe(hwe); xe_rtp_process_to_sr(&ctx, &oa_whitelist, &hwe->oa_whitelist, false); }