Since the underlying __gen8_ppgtt_clear takes the shifted address, we must remember to provide it with the preshifted original start address.
Reported-by: Tvrtko Ursulin <[email protected]> Signed-off-by: Chris Wilson <[email protected]> Cc: Tvrtko Ursulin <[email protected]> Cc: Abdiel Janulgue <[email protected]> --- drivers/gpu/drm/i915/i915_gem_gtt.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index 220aba5a94d2..031bcd22f5e6 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -1103,7 +1103,7 @@ static int __gen8_ppgtt_alloc(struct i915_address_space * const vm, static int gen8_ppgtt_alloc(struct i915_address_space *vm, u64 start, u64 length) { - u64 from = start; + u64 from; int err; GEM_BUG_ON(!IS_ALIGNED(start, BIT_ULL(GEN8_PTE_SHIFT))); @@ -1112,6 +1112,7 @@ static int gen8_ppgtt_alloc(struct i915_address_space *vm, start >>= GEN8_PTE_SHIFT; length >>= GEN8_PTE_SHIFT; GEM_BUG_ON(length == 0); + from = start; err = __gen8_ppgtt_alloc(vm, i915_vm_to_ppgtt(vm)->pd, &start, start + length, vm->top); -- 2.22.0 _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
