Quoting Umesh Nerlige Ramappa (2020-10-10 01:21:03)
> Switch the search and grow code of the _wa_add to use _wa_index and
> _wa_list_grow.
>
> Signed-off-by: Umesh Nerlige Ramappa <umesh.nerlige.ramappa@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/gt/intel_workarounds.c | 54 +++++++--------------
> 1 file changed, 17 insertions(+), 37 deletions(-)
>
> diff --git a/drivers/gpu/drm/i915/gt/intel_workarounds.c b/drivers/gpu/drm/i915/gt/intel_workarounds.c
> index 801fcb60f46b..e49283bffa33 100644
> --- a/drivers/gpu/drm/i915/gt/intel_workarounds.c
> +++ b/drivers/gpu/drm/i915/gt/intel_workarounds.c
> @@ -174,53 +174,33 @@ static void _wa_remove(struct i915_wa_list *wal, i915_reg_t reg, u32 flags)
>
> static void _wa_add(struct i915_wa_list *wal, const struct i915_wa *wa)
> {
> - unsigned int addr = i915_mmio_reg_offset(wa->reg);
> - unsigned int start = 0, end = wal->count;
> + int index;
> const unsigned int grow = WA_LIST_CHUNK;
> struct i915_wa *wa_;
>
> GEM_BUG_ON(!is_power_of_2(grow));
>
> - if (IS_ALIGNED(wal->count, grow)) { /* Either uninitialized or full. */
> - struct i915_wa *list;
> -
> - list = kmalloc_array(ALIGN(wal->count + 1, grow), sizeof(*wa),
> - GFP_KERNEL);
> - if (!list) {
> - DRM_ERROR("No space for workaround init!\n");
> + if (IS_ALIGNED(wal->count, grow)) /* Either uninitialized or full. */
> + if (_wa_list_grow(wal, wal->count) < 0)
> return;
> - }
> -
> - if (wal->list)
> - memcpy(list, wal->list, sizeof(*wa) * wal->count);
>
> - wal->list = list;
An inherited problem, but I'm a little unnerved by the apparent leak of
wa->list here.
Paging Tvrtko to see if he can remember if there's a hidden trick.
-Chris
---------------------------------------------------------------------
Intel Corporation (UK) Limited
Registered No. 1134945 (England)
Registered Office: Pipers Way, Swindon SN3 1RJ
VAT No: 860 2173 47
This e-mail and any attachments may contain confidential material for
the sole use of the intended recipient(s). Any review or distribution
by others is strictly prohibited. If you are not the intended
recipient, please contact the sender and delete all copies.
_______________________________________________
Intel-gfx mailing list
Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
