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authorAlexandre Courbot <acourbot@nvidia.com>2016-12-13 11:11:24 +0300
committerBen Skeggs <bskeggs@redhat.com>2017-02-17 08:14:31 +0300
commit9b071c7935f053bf05ab4d0b2f4a8ae4069b4b89 (patch)
treeaa1c49887b3fd7022af9fe0ceae8e51ee9640201 /drivers/gpu/drm/nouveau/nvkm/subdev/pmu
parent68d82161fdab51f44767bcde801fd6a58bef9548 (diff)
downloadlinux-9b071c7935f053bf05ab4d0b2f4a8ae4069b4b89.tar.xz
drm/nouveau/pmu/gk20a: use falcon library functions
Use the falcon library functions where relevant. Signed-off-by: Alexandre Courbot <acourbot@nvidia.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/subdev/pmu')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gk20a.c31
1 files changed, 22 insertions, 9 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gk20a.c b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gk20a.c
index 4a0f80983564..9ca0db796cbe 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gk20a.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gk20a.c
@@ -95,17 +95,19 @@ static void
gk20a_pmu_dvfs_get_dev_status(struct gk20a_pmu *pmu,
struct gk20a_pmu_dvfs_dev_status *status)
{
- struct nvkm_device *device = pmu->base.subdev.device;
- status->busy = nvkm_rd32(device, 0x10a508 + (BUSY_SLOT * 0x10));
- status->total= nvkm_rd32(device, 0x10a508 + (CLK_SLOT * 0x10));
+ struct nvkm_falcon *falcon = pmu->base.falcon;
+
+ status->busy = nvkm_falcon_rd32(falcon, 0x508 + (BUSY_SLOT * 0x10));
+ status->total= nvkm_falcon_rd32(falcon, 0x508 + (CLK_SLOT * 0x10));
}
static void
gk20a_pmu_dvfs_reset_dev_status(struct gk20a_pmu *pmu)
{
- struct nvkm_device *device = pmu->base.subdev.device;
- nvkm_wr32(device, 0x10a508 + (BUSY_SLOT * 0x10), 0x80000000);
- nvkm_wr32(device, 0x10a508 + (CLK_SLOT * 0x10), 0x80000000);
+ struct nvkm_falcon *falcon = pmu->base.falcon;
+
+ nvkm_falcon_wr32(falcon, 0x508 + (BUSY_SLOT * 0x10), 0x80000000);
+ nvkm_falcon_wr32(falcon, 0x508 + (CLK_SLOT * 0x10), 0x80000000);
}
static void
@@ -157,18 +159,29 @@ gk20a_pmu_fini(struct nvkm_pmu *pmu)
{
struct gk20a_pmu *gpmu = gk20a_pmu(pmu);
nvkm_timer_alarm_cancel(pmu->subdev.device->timer, &gpmu->alarm);
+
+ nvkm_falcon_put(pmu->falcon, &pmu->subdev);
}
static int
gk20a_pmu_init(struct nvkm_pmu *pmu)
{
struct gk20a_pmu *gpmu = gk20a_pmu(pmu);
+ struct nvkm_subdev *subdev = &pmu->subdev;
struct nvkm_device *device = pmu->subdev.device;
+ struct nvkm_falcon *falcon = pmu->falcon;
+ int ret;
+
+ ret = nvkm_falcon_get(falcon, subdev);
+ if (ret) {
+ nvkm_error(subdev, "cannot acquire %s falcon!\n", falcon->name);
+ return ret;
+ }
/* init pwr perf counter */
- nvkm_wr32(device, 0x10a504 + (BUSY_SLOT * 0x10), 0x00200001);
- nvkm_wr32(device, 0x10a50c + (BUSY_SLOT * 0x10), 0x00000002);
- nvkm_wr32(device, 0x10a50c + (CLK_SLOT * 0x10), 0x00000003);
+ nvkm_falcon_wr32(falcon, 0x504 + (BUSY_SLOT * 0x10), 0x00200001);
+ nvkm_falcon_wr32(falcon, 0x50c + (BUSY_SLOT * 0x10), 0x00000002);
+ nvkm_falcon_wr32(falcon, 0x50c + (CLK_SLOT * 0x10), 0x00000003);
nvkm_timer_alarm(device->timer, 2000000000, &gpmu->alarm);
return 0;