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gpu: nvgpu: Remove support for old kernel version

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Remove support for pre-4.4 kernels. This allows deleting the checks
for kernel version, and usage of linux/version.h.

Change-Id: I4d6cb30512ea164d27549f4f4d096e5931bb1379
Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1543499
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Terje Bergstrom
2017-08-22 08:31:32 -07:00
committed by mobile promotions
parent 587666bd6c
commit bc87e8989d
19 changed files with 1 additions and 112 deletions
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29
drivers/gpu/nvgpu/gk20a/sync_gk20a.c
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@@ -13,7 +13,6 @@
* more details.
*/
#include <linux/version.h>
#include <linux/file.h>
#include <linux/fs.h>
#include <linux/hrtimer.h>
@@ -75,23 +74,6 @@ int gk20a_is_sema_backed_sync_fence(struct sync_fence *fence)
{
struct sync_timeline *t;
#if LINUX_VERSION_CODE < KERNEL_VERSION(3,18,0)
struct sync_pt *spt;
int i = 0;
if (list_empty(&fence->pt_list_head))
return 0;
list_for_each_entry(spt, &fence->pt_list_head, pt_list) {
i++;
if (i >= 2)
return 0;
}
spt = list_first_entry(&fence->pt_list_head, struct sync_pt, pt_list);
t = spt->parent;
#else
struct fence *pt = fence->cbs[0].sync_pt;
struct sync_pt *spt = sync_pt_from_fence(pt);
@@ -102,7 +84,6 @@ int gk20a_is_sema_backed_sync_fence(struct sync_fence *fence)
return 0;
t = sync_pt_parent(spt);
#endif
if (t->ops == &gk20a_sync_timeline_ops)
return 1;
@@ -114,15 +95,6 @@ struct nvgpu_semaphore *gk20a_sync_fence_get_sema(struct sync_fence *f)
struct sync_pt *spt;
struct gk20a_sync_pt_inst *pti;
#if LINUX_VERSION_CODE < KERNEL_VERSION(3,18,0)
if (!f)
return NULL;
if (!gk20a_is_sema_backed_sync_fence(f))
return NULL;
spt = list_first_entry(&f->pt_list_head, struct sync_pt, pt_list);
#else
struct fence *pt;
if (!f)
@@ -133,7 +105,6 @@ struct nvgpu_semaphore *gk20a_sync_fence_get_sema(struct sync_fence *f)
pt = f->cbs[0].sync_pt;
spt = sync_pt_from_fence(pt);
#endif
pti = container_of(spt, struct gk20a_sync_pt_inst, pt);
return pti->shared->sema;