Am 02.08.2016 um 06:57 schrieb Alex Deucher:
On Wed, Jul 27, 2016 at 7:21 AM, Ken Wang <Qingqing.Wang@xxxxxxx> wrote:
Change-Id: I9f30b54365492b234a7f0887dd0c67a9817c3705
Signed-off-by: Ken Wang <Qingqing.Wang@xxxxxxx>
Adding dri-devel as well since ttm is a common component.
Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>
A bit commit message would be nice, e.g. something like "Add a function
to get the maximum memory used by the kernel zone."
With that fixed he patch is Reviewed-by: Christian König
<christian.koenig@xxxxxxx> as well.
Regards,
Christian.
---
drivers/gpu/drm/ttm/ttm_memory.c | 6 ++++++
include/drm/ttm/ttm_memory.h | 1 +
2 files changed, 7 insertions(+)
diff --git a/drivers/gpu/drm/ttm/ttm_memory.c b/drivers/gpu/drm/ttm/ttm_memory.c
index a1803fb..29855be 100644
--- a/drivers/gpu/drm/ttm/ttm_memory.c
+++ b/drivers/gpu/drm/ttm/ttm_memory.c
@@ -600,3 +600,9 @@ size_t ttm_round_pot(size_t size)
return 0;
}
EXPORT_SYMBOL(ttm_round_pot);
+
+uint64_t ttm_get_kernel_zone_memory_size(struct ttm_mem_global *glob)
+{
+ return glob->zone_kernel->max_mem;
+}
+EXPORT_SYMBOL(ttm_get_kernel_zone_memory_size);
diff --git a/include/drm/ttm/ttm_memory.h b/include/drm/ttm/ttm_memory.h
index 72dcbe8..c452089 100644
--- a/include/drm/ttm/ttm_memory.h
+++ b/include/drm/ttm/ttm_memory.h
@@ -155,4 +155,5 @@ extern int ttm_mem_global_alloc_page(struct ttm_mem_global *glob,
extern void ttm_mem_global_free_page(struct ttm_mem_global *glob,
struct page *page);
extern size_t ttm_round_pot(size_t size);
+extern uint64_t ttm_get_kernel_zone_memory_size(struct ttm_mem_global *glob);
#endif
--
2.7.4
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