drm/xe/vf: Don't initialize stolen memory manager if VF

VF drivers don't have access to the stolen memory.

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240213154355.1221-5-michal.wajdeczko@intel.com

diff --git a/drivers/gpu/drm/xe/xe_ttm_stolen_mgr.c b/drivers/gpu/drm/xe/xe_ttm_stolen_mgr.c
index e5d7d5e2bec129937317f14f6b0063308a19bf58..662f1e9bfc65dfe42baed45bb62b49cf64d24476 100644 (file)
--- a/drivers/gpu/drm/xe/xe_ttm_stolen_mgr.c
+++ b/drivers/gpu/drm/xe/xe_ttm_stolen_mgr.c
@@ -19,6 +19,7 @@
 #include "xe_gt.h"
 #include "xe_mmio.h"
 #include "xe_res_cursor.h"
+#include "xe_sriov.h"
 #include "xe_ttm_stolen_mgr.h"
 #include "xe_ttm_vram_mgr.h"
 #include "xe_wa.h"
@@ -205,7 +206,9 @@ void xe_ttm_stolen_mgr_init(struct xe_device *xe)
        u64 stolen_size, io_size, pgsize;
        int err;
 
-       if (IS_DGFX(xe))
+       if (IS_SRIOV_VF(xe))
+               stolen_size = 0;
+       else if (IS_DGFX(xe))
                stolen_size = detect_bar2_dgfx(xe, mgr);
        else if (GRAPHICS_VERx100(xe) >= 1270)
                stolen_size = detect_bar2_integrated(xe, mgr);