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Revert "Revert "gpu: nvgpu: Get coherency on gv100 + NVLINK working""

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This reverts commit 5a35a95654.

JIRA EVLR-2333

Change-Id: I923c32496c343d39d34f6d406c38a9f6ce7dc6e0
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1667167
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Alex Waterman
2018-03-01 20:47:25 -08:00
committed by mobile promotions
parent ef116a6e63
commit 89fbf39a05
28 changed files with 275 additions and 126 deletions
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8
drivers/gpu/nvgpu/common/linux/module.c
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@@ -20,6 +20,7 @@
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/of_platform.h>
#include <linux/of_address.h>
#include <linux/interrupt.h>
#include <linux/pm_runtime.h>
#include <linux/reset.h>
@@ -1107,6 +1108,7 @@ static int gk20a_probe(struct platform_device *dev)
struct gk20a *gk20a;
int err;
struct gk20a_platform *platform = NULL;
struct device_node *np;
if (dev->dev.of_node) {
const struct of_device_id *match;
@@ -1147,6 +1149,12 @@ static int gk20a_probe(struct platform_device *dev)
if (err)
goto return_err;
np = nvgpu_get_node(gk20a);
if (of_dma_is_coherent(np)) {
__nvgpu_set_enabled(gk20a, NVGPU_USE_COHERENT_SYSMEM, true);
__nvgpu_set_enabled(gk20a, NVGPU_SUPPORT_IO_COHERENCE, true);
}
if (nvgpu_platform_is_simulation(gk20a))
__nvgpu_set_enabled(gk20a, NVGPU_IS_FMODEL, true);