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drm/xe: Improve vram info debug printing

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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>
This commit is contained in:
Oak Zeng 2023-07-14 10:42:07 -04:00 committed by Rodrigo Vivi
parent 0887a2e7ab
commit 286089ce69
1 changed files with 6 additions and 5 deletions
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11
drivers/gpu/drm/xe/xe_mmio.c
View file

@ -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;