Commit 286089ce authored by Oak Zeng's avatar Oak Zeng Committed by Rodrigo Vivi
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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: default avatarOak Zeng <oak.zeng@intel.com>
Reviewed-by: default avatarMichael J. Ruhl <michael.j.ruhl@intel.com>
Reviewed-by: default avatarMatthew Brost <matthew.brost@intel.com>
Signed-off-by: default avatarRodrigo Vivi <rodrigo.vivi@intel.com>
parent 0887a2e7

drivers/gpu/drm/xe/xe_mmio.c

+6 −5
Original line number Diff line number Diff line
@@ -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;