On 24.01.2023 16:00, Nirmoy Das wrote:
DSM granularity is 1MB so make sure we stick to that.
Cc: Matthew Auld <matthew.auld@xxxxxxxxx>
Suggested-by: Lucas De Marchi <lucas.demarchi@xxxxxxxxx>
Signed-off-by: Nirmoy Das <nirmoy.das@xxxxxxxxx>
---
drivers/gpu/drm/i915/gem/i915_gem_stolen.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_stolen.c b/drivers/gpu/drm/i915/gem/i915_gem_stolen.c
index 90a967374b1a..0c027263f09e 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_stolen.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_stolen.c
@@ -909,7 +909,7 @@ i915_gem_stolen_lmem_setup(struct drm_i915_private *i915, u16 type,
dsm_base = intel_uncore_read64(uncore, GEN12_DSMBASE) & GEN12_BDSM_MASK;
if (WARN_ON(lmem_size < dsm_base))
return ERR_PTR(-ENODEV);
- dsm_size = lmem_size - dsm_base;
+ dsm_size = ALIGN_DOWN(lmem_size - dsm_base, 1 * SZ_1M);
1st seen "1 * SZ_1M", usually it is just SZ_1M, up to you.
Reviewed-by: Andrzej Hajda <andrzej.hajda@xxxxxxxxx>
Regards
Andrzej
}
io_size = dsm_size;
