drm/xe: Improve vram info debug printing

Print both device physical address range and CPU io range
of vram. Also print vram's actual size, usable size excluding
stolen memory, and CPU io accessible size.
V1:
  - Add back small BAR device info (Matt)

Signed-off-by: Oak Zeng <oak.zeng@intel.com>
Reviewed-by: Michael J. Ruhl <michael.j.ruhl@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

diff --git a/drivers/gpu/drm/xe/xe_mmio.c b/drivers/gpu/drm/xe/xe_mmio.c
index 41ee89247ddb74243d9b1bf9d7ede870d7f83b53..bb6823db14d49f38f40d269207f41265652008d9 100644 (file)
--- a/drivers/gpu/drm/xe/xe_mmio.c
+++ b/drivers/gpu/drm/xe/xe_mmio.c
@@ -286,12 +286,13 @@ int xe_mmio_probe_vram(struct xe_device *xe)
                tile->mem.vram.usable_size = vram_size;
                tile->mem.vram.mapping = xe->mem.vram.mapping + tile_offset;
 
-               drm_info(&xe->drm, "VRAM[%u, %u]: %pa, %pa\n", id, tile->id,
-                        &tile->mem.vram.io_start, &tile->mem.vram.usable_size);
-
                if (tile->mem.vram.io_size < tile->mem.vram.usable_size)
-                       drm_info(&xe->drm, "VRAM[%u, %u]: CPU access limited to %pa\n", id,
-                                tile->id, &tile->mem.vram.io_size);
+                       drm_info(&xe->drm, "Small BAR device\n");
+               drm_info(&xe->drm, "VRAM[%u, %u]: Actual physical size %pa, usable size exclude stolen %pa, CPU accessible size %pa\n", id,
+                        tile->id, &tile->mem.vram.actual_physical_size, &tile->mem.vram.usable_size, &tile->mem.vram.io_size);
+               drm_info(&xe->drm, "VRAM[%u, %u]: DPA range: [%pa-%llx], io range: [%pa-%llx]\n", id, tile->id,
+                        &tile->mem.vram.dpa_base, tile->mem.vram.dpa_base + tile->mem.vram.actual_physical_size,
+                        &tile->mem.vram.io_start, tile->mem.vram.io_start + tile->mem.vram.io_size);
 
                /* calculate total size using tile size to get the correct HW sizing */
                total_size += tile_size;