[PATCH 09/10] wa trim unused
Tvrtko Ursulin
tvrtko.ursulin at linux.intel.com
Wed Nov 28 19:28:42 UTC 2018
From: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
---
drivers/gpu/drm/i915/intel_workarounds.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_workarounds.c b/drivers/gpu/drm/i915/intel_workarounds.c
index 5cd273a730ee..0f519b535450 100644
--- a/drivers/gpu/drm/i915/intel_workarounds.c
+++ b/drivers/gpu/drm/i915/intel_workarounds.c
@@ -523,6 +523,17 @@ static void wa_init_finish(struct i915_wa_list *wal)
struct i915_wa *wa;
unsigned int i;
+ /* Trim unused entries. */
+ if (wal->count < wal->__size) {
+ wa = kcalloc(wal->count, sizeof(*wa), GFP_KERNEL);
+ if (wa) {
+ memcpy(wa, wal->list, sizeof(*wa) * wal->count);
+ kfree(wal->list);
+ wal->list = wa;
+ wal->__size = wal->count;
+ }
+ }
+
for (i = 0, wa = wal->list; i < wal->count; i++, wa++) {
printk("===wa-%s<%u/%u>: type=%u reg=%x mask=%x val=%x\n",
wal->name, i, wal->count,
--
2.19.1
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