On Tue, 13 Oct 2015, Michel Thierry <michel.thierry@xxxxxxxxx> wrote:
> The PTE_map trace added in commit 4c06ec8d13d2 ("drm/i915/gen8: Add
> dynamic page trace events") was using the full start and length values,
> instead of the page directory ones.
>
> Since this is just a trace, I don't think it requires cc'ing stable.
Especially not since 4c06ec8d13d2 is not even in Linus' tree yet.
BR,
Jani.
>
> Cc: Akash Goel <akash.goel@xxxxxxxxx>
> Signed-off-by: Michel Thierry <michel.thierry@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/i915_gem_gtt.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
> index e81990d..642fe87 100644
> --- a/drivers/gpu/drm/i915/i915_gem_gtt.c
> +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
> @@ -1305,8 +1305,8 @@ static int gen8_alloc_va_range_3lvl(struct i915_address_space *vm,
> page_directory[pde] = gen8_pde_encode(px_dma(pt),
> I915_CACHE_LLC);
> trace_i915_page_table_entry_map(&ppgtt->base, pde, pt,
> - gen8_pte_index(start),
> - gen8_pte_count(start, length),
> + gen8_pte_index(pd_start),
> + gen8_pte_count(pd_start, pd_len),
> GEN8_PTES);
>
> /* NB: We haven't yet mapped ptes to pages. At this
> --
> 2.6.0
>
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--
Jani Nikula, Intel Open Source Technology Center
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