[Nouveau] [PATCH 01/15] tegra: fetch gpu_speedo_id

Alexandre Courbot acourbot at nvidia.com
Wed Jun 1 08:39:15 UTC 2016


The GPU speedo ID is required to select the right clk/volt parameters on
GM20B.

Signed-off-by: Alexandre Courbot <acourbot at nvidia.com>
---
 drm/nouveau/include/nvkm/core/tegra.h  | 1 +
 drm/nouveau/nvkm/engine/device/tegra.c | 1 +
 lib/include/nvif/os.h                  | 1 +
 3 files changed, 3 insertions(+)

diff --git a/drm/nouveau/include/nvkm/core/tegra.h b/drm/nouveau/include/nvkm/core/tegra.h
index b5370cb56e3c..e5c9b6268dcc 100644
--- a/drm/nouveau/include/nvkm/core/tegra.h
+++ b/drm/nouveau/include/nvkm/core/tegra.h
@@ -28,6 +28,7 @@ struct nvkm_device_tegra {
 	} iommu;
 
 	int gpu_speedo;
+	int gpu_speedo_id;
 };
 
 struct nvkm_device_tegra_func {
diff --git a/drm/nouveau/nvkm/engine/device/tegra.c b/drm/nouveau/nvkm/engine/device/tegra.c
index 8edc0a583ae2..9b638bd905ff 100644
--- a/drm/nouveau/nvkm/engine/device/tegra.c
+++ b/drm/nouveau/nvkm/engine/device/tegra.c
@@ -311,6 +311,7 @@ nvkm_device_tegra_new(const struct nvkm_device_tegra_func *func,
 		goto remove;
 
 	tdev->gpu_speedo = tegra_sku_info.gpu_speedo_value;
+	tdev->gpu_speedo_id = tegra_sku_info.gpu_speedo_id;
 	ret = nvkm_device_ctor(&nvkm_device_tegra_func, NULL, &pdev->dev,
 			       NVKM_DEVICE_TEGRA, pdev->id, NULL,
 			       cfg, dbg, detect, mmio, subdev_mask,
diff --git a/lib/include/nvif/os.h b/lib/include/nvif/os.h
index f0710b39c05b..ba253b0f1d37 100644
--- a/lib/include/nvif/os.h
+++ b/lib/include/nvif/os.h
@@ -1546,6 +1546,7 @@ reset_control_deassert(struct reset_control *reset)
  *****************************************************************************/
 struct tegra_sku_info {
 	int gpu_speedo_value;
+	int gpu_speedo_id;
 };
 
 extern struct tegra_sku_info tegra_sku_info;
-- 
2.8.3



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