diff options
Diffstat (limited to 'SOURCES/0001-device-rework-mmio-mapping-code-to-get-rid-of-second.patch')
| -rw-r--r-- | SOURCES/0001-device-rework-mmio-mapping-code-to-get-rid-of-second.patch | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/SOURCES/0001-device-rework-mmio-mapping-code-to-get-rid-of-second.patch b/SOURCES/0001-device-rework-mmio-mapping-code-to-get-rid-of-second.patch deleted file mode 100644 index bde820b..0000000 --- a/SOURCES/0001-device-rework-mmio-mapping-code-to-get-rid-of-second.patch +++ /dev/null @@ -1,84 +0,0 @@ -From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 -From: Karol Herbst <kherbst@redhat.com> -Date: Tue, 28 Apr 2020 18:54:02 +0200 -Subject: [PATCH] device: rework mmio mapping code to get rid of second map - -Fixes warnings on GPUs with smaller a smaller mmio region like vGPUs. - -Signed-off-by: Karol Herbst <kherbst@redhat.com> -Signed-off-by: Ben Skeggs <bskeggs@redhat.com> ---- - .../gpu/drm/nouveau/nvkm/engine/device/base.c | 27 ++++++++++--------- - 1 file changed, 15 insertions(+), 12 deletions(-) - -diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c b/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c -index 8ebbe1656008..37589f36546d 100644 ---- a/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c -+++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c -@@ -2935,7 +2935,7 @@ nvkm_device_ctor(const struct nvkm_device_func *func, - struct nvkm_subdev *subdev; - u64 mmio_base, mmio_size; - u32 boot0, strap; -- void __iomem *map; -+ void __iomem *map = NULL; - int ret = -EEXIST, i; - unsigned chipset; - -@@ -2961,12 +2961,17 @@ nvkm_device_ctor(const struct nvkm_device_func *func, - mmio_base = device->func->resource_addr(device, 0); - mmio_size = device->func->resource_size(device, 0); - -- /* identify the chipset, and determine classes of subdev/engines */ -- if (detect) { -- map = ioremap(mmio_base, 0x102000); -- if (ret = -ENOMEM, map == NULL) -+ if (detect || mmio) { -+ map = ioremap(mmio_base, mmio_size); -+ if (map == NULL) { -+ nvdev_error(device, "unable to map PRI\n"); -+ ret = -ENOMEM; - goto done; -+ } -+ } - -+ /* identify the chipset, and determine classes of subdev/engines */ -+ if (detect) { - /* switch mmio to cpu's native endianness */ - #ifndef __BIG_ENDIAN - if (ioread32_native(map + 0x000004) != 0x00000000) { -@@ -2980,7 +2985,6 @@ nvkm_device_ctor(const struct nvkm_device_func *func, - /* read boot0 and strapping information */ - boot0 = ioread32_native(map + 0x000000); - strap = ioread32_native(map + 0x101000); -- iounmap(map); - - /* chipset can be overridden for devel/testing purposes */ - chipset = nvkm_longopt(device->cfgopt, "NvChipset", 0); -@@ -3159,12 +3163,7 @@ nvkm_device_ctor(const struct nvkm_device_func *func, - device->name = device->chip->name; - - if (mmio) { -- device->pri = ioremap(mmio_base, mmio_size); -- if (!device->pri) { -- nvdev_error(device, "unable to map PRI\n"); -- ret = -ENOMEM; -- goto done; -- } -+ device->pri = map; - } - - mutex_init(&device->mutex); -@@ -3254,6 +3253,10 @@ nvkm_device_ctor(const struct nvkm_device_func *func, - - ret = 0; - done: -+ if (map && (!mmio || ret)) { -+ device->pri = NULL; -+ iounmap(map); -+ } - mutex_unlock(&nv_devices_mutex); - return ret; - } --- -2.26.2 - |