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gpu: nvgpu: Add DT support for TPC_PG_POWERGATE

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Added support for TPC_PG_POWERGATE during probe for nvgpu via DT.
A new DT binding GV11B_FUSE_OPT_TPC_DISABLE is supported by nvgpu
driver that checks for valid masks and updates the global tpc_pg_mask
flag.

Bug 200518434

Change-Id: Ia65ae518b48e36d28de5e9375bc994232f6a9438
Signed-off-by: Debarshi Dutta <ddutta@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2117783
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Deepak Goyal <dgoyal@nvidia.com>
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Debarshi Dutta
2019-05-13 16:47:04 +05:30
committed by mobile promotions
parent 543a904e63
commit 1f867543da
3 changed files with 33 additions and 0 deletions
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6
drivers/gpu/nvgpu/os/linux/module.c
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@@ -32,6 +32,7 @@
#include <uapi/linux/nvgpu.h>
#include <dt-bindings/soc/gm20b-fuse.h>
#include <dt-bindings/soc/gp10b-fuse.h>
#include <dt-bindings/soc/gv11b-fuse.h>
#include <soc/tegra/fuse.h>
@@ -1165,6 +1166,7 @@ static inline void set_gk20a(struct platform_device *pdev, struct gk20a *gk20a)
static int nvgpu_read_fuse_overrides(struct gk20a *g)
{
struct device_node *np = nvgpu_get_node(g);
struct gk20a_platform *platform = dev_get_drvdata(dev_from_gk20a(g));
u32 *fuses;
int count, i;
@@ -1191,6 +1193,10 @@ static int nvgpu_read_fuse_overrides(struct gk20a *g)
case GP10B_FUSE_OPT_ECC_EN:
g->gr.fecs_feature_override_ecc_val = value;
break;
case GV11B_FUSE_OPT_TPC_DISABLE:
if (platform->set_tpc_pg_mask != NULL)
platform->set_tpc_pg_mask(dev_from_gk20a(g), value);
break;
default:
nvgpu_err(g, "ignore unknown fuse override %08x", fuse);
break;