msm: kgsl: flush outer cache for alloc_page() pages
The outer cache needs to be flushed for these pages
after they are allocated so that the GPU and CPU
have a consistent view of them.
Change-Id: I4d6b688fc4a9f04d4bf8e3215d51bac32bf8e9fd
Signed-off-by: Jeremy Gebben <jgebben@codeaurora.org>
diff --git a/drivers/gpu/msm/kgsl_sharedmem.c b/drivers/gpu/msm/kgsl_sharedmem.c
index 1f142f8..63c24f1 100644
--- a/drivers/gpu/msm/kgsl_sharedmem.c
+++ b/drivers/gpu/msm/kgsl_sharedmem.c
@@ -486,6 +486,8 @@
flush_dcache_page(page);
sg_set_page(&memdesc->sg[i], page, PAGE_SIZE, 0);
}
+ outer_cache_range_op_sg(memdesc->sg, memdesc->sglen,
+ KGSL_CACHE_OP_FLUSH);
ret = kgsl_mmu_map(pagetable, memdesc, protflags);