diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/engine')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c | 17 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c | 2 |
2 files changed, 19 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c b/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c index 9afa5f3e3c1c..ec12efb4689a 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/tegra.c @@ -35,6 +35,11 @@ nvkm_device_tegra_power_up(struct nvkm_device_tegra *tdev) ret = clk_prepare_enable(tdev->clk); if (ret) goto err_clk; + if (tdev->clk_ref) { + ret = clk_prepare_enable(tdev->clk_ref); + if (ret) + goto err_clk_ref; + } ret = clk_prepare_enable(tdev->clk_pwr); if (ret) goto err_clk_pwr; @@ -57,6 +62,9 @@ nvkm_device_tegra_power_up(struct nvkm_device_tegra *tdev) err_clamp: clk_disable_unprepare(tdev->clk_pwr); err_clk_pwr: + if (tdev->clk_ref) + clk_disable_unprepare(tdev->clk_ref); +err_clk_ref: clk_disable_unprepare(tdev->clk); err_clk: regulator_disable(tdev->vdd); @@ -71,6 +79,8 @@ nvkm_device_tegra_power_down(struct nvkm_device_tegra *tdev) udelay(10); clk_disable_unprepare(tdev->clk_pwr); + if (tdev->clk_ref) + clk_disable_unprepare(tdev->clk_ref); clk_disable_unprepare(tdev->clk); udelay(10); @@ -274,6 +284,13 @@ nvkm_device_tegra_new(const struct nvkm_device_tegra_func *func, goto free; } + if (func->require_ref_clk) + tdev->clk_ref = devm_clk_get(&pdev->dev, "ref"); + if (IS_ERR(tdev->clk_ref)) { + ret = PTR_ERR(tdev->clk_ref); + goto free; + } + tdev->clk_pwr = devm_clk_get(&pdev->dev, "pwr"); if (IS_ERR(tdev->clk_pwr)) { ret = PTR_ERR(tdev->clk_pwr); diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c index c56a886229f1..b2de290da16f 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c @@ -1832,6 +1832,8 @@ gf100_gr_init(struct gf100_gr *gr) gf100_gr_mmio(gr, gr->func->mmio); + nvkm_mask(device, TPC_UNIT(0, 0, 0x05c), 0x00000001, 0x00000001); + memcpy(tpcnr, gr->tpc_nr, sizeof(gr->tpc_nr)); for (i = 0, gpc = -1; i < gr->tpc_total; i++) { do { |