diff options
Diffstat (limited to 'drivers/gpu/drm/xe/xe_gsc_proxy.c')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_gsc_proxy.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/gpu/drm/xe/xe_gsc_proxy.c b/drivers/gpu/drm/xe/xe_gsc_proxy.c index 8cf70b228ff3..464282a89eef 100644 --- a/drivers/gpu/drm/xe/xe_gsc_proxy.c +++ b/drivers/gpu/drm/xe/xe_gsc_proxy.c @@ -23,6 +23,7 @@ #include "xe_map.h" #include "xe_mmio.h" #include "xe_pm.h" +#include "xe_tile.h" /* * GSC proxy: @@ -71,6 +72,17 @@ bool xe_gsc_proxy_init_done(struct xe_gsc *gsc) HECI1_FWSTS1_PROXY_STATE_NORMAL; } +int xe_gsc_wait_for_proxy_init_done(struct xe_gsc *gsc) +{ + struct xe_gt *gt = gsc_to_gt(gsc); + + /* Proxy init can take up to 500ms, so wait double that for safety */ + return xe_mmio_wait32(>->mmio, HECI_FWSTS1(MTL_GSC_HECI1_BASE), + HECI1_FWSTS1_CURRENT_STATE, + HECI1_FWSTS1_PROXY_STATE_NORMAL, + USEC_PER_SEC, NULL, false); +} + static void __gsc_proxy_irq_rmw(struct xe_gsc *gsc, u32 clr, u32 set) { struct xe_gt *gt = gsc_to_gt(gsc); @@ -472,7 +484,7 @@ int xe_gsc_proxy_init(struct xe_gsc *gsc) } /* no multi-tile devices with this feature yet */ - if (tile->id > 0) { + if (!xe_tile_is_root(tile)) { xe_gt_err(gt, "unexpected GSC proxy init on tile %u\n", tile->id); return -EINVAL; } |