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authorSentry <sentry@Sentry-Desktop-Fedora.local>2020-07-14 15:58:43 +0200
committerJan200101 <sentrycraft123@gmail.com>2020-12-05 19:40:07 +0100
commit391fe055c943e33e9c191dbeeb21995c0d54ccd9 (patch)
tree04bbfbe91a73cc0d47c2d70235c8ca365eaa9c3d /SOURCES/0001-device-use-regular-PRI-accessors-in-chipset-detectio.patch
downloadkernel-fsync-391fe055c943e33e9c191dbeeb21995c0d54ccd9.tar.gz
kernel-fsync-391fe055c943e33e9c191dbeeb21995c0d54ccd9.zip
kernel 5.7.8
Diffstat (limited to 'SOURCES/0001-device-use-regular-PRI-accessors-in-chipset-detectio.patch')
-rw-r--r--SOURCES/0001-device-use-regular-PRI-accessors-in-chipset-detectio.patch113
1 files changed, 113 insertions, 0 deletions
diff --git a/SOURCES/0001-device-use-regular-PRI-accessors-in-chipset-detectio.patch b/SOURCES/0001-device-use-regular-PRI-accessors-in-chipset-detectio.patch
new file mode 100644
index 0000000..ec43451
--- /dev/null
+++ b/SOURCES/0001-device-use-regular-PRI-accessors-in-chipset-detectio.patch
@@ -0,0 +1,113 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: Ben Skeggs <bskeggs@redhat.com>
+Date: Thu, 30 Apr 2020 14:08:53 +1000
+Subject: [PATCH] device: use regular PRI accessors in chipset detection
+
+Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
+---
+ .../gpu/drm/nouveau/nvkm/engine/device/base.c | 31 ++++++++-----------
+ 1 file changed, 13 insertions(+), 18 deletions(-)
+
+diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c b/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c
+index f977dddcd809..5b90c2a1bf3d 100644
+--- a/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c
++++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c
+@@ -2925,9 +2925,9 @@ nvkm_device_del(struct nvkm_device **pdevice)
+ }
+
+ static inline bool
+-nvkm_device_endianness(void __iomem *pri)
++nvkm_device_endianness(struct nvkm_device *device)
+ {
+- u32 boot1 = ioread32_native(pri + 0x000004) & 0x01000001;
++ u32 boot1 = nvkm_rd32(device, 0x000004) & 0x01000001;
+ #ifdef __BIG_ENDIAN
+ if (!boot1)
+ return false;
+@@ -2949,7 +2949,6 @@ nvkm_device_ctor(const struct nvkm_device_func *func,
+ struct nvkm_subdev *subdev;
+ u64 mmio_base, mmio_size;
+ u32 boot0, boot1, strap;
+- void __iomem *map = NULL;
+ int ret = -EEXIST, i;
+ unsigned chipset;
+
+@@ -2976,8 +2975,8 @@ nvkm_device_ctor(const struct nvkm_device_func *func,
+ mmio_size = device->func->resource_size(device, 0);
+
+ if (detect || mmio) {
+- map = ioremap(mmio_base, mmio_size);
+- if (map == NULL) {
++ device->pri = ioremap(mmio_base, mmio_size);
++ if (device->pri == NULL) {
+ nvdev_error(device, "unable to map PRI\n");
+ ret = -ENOMEM;
+ goto done;
+@@ -2987,10 +2986,10 @@ nvkm_device_ctor(const struct nvkm_device_func *func,
+ /* identify the chipset, and determine classes of subdev/engines */
+ if (detect) {
+ /* switch mmio to cpu's native endianness */
+- if (!nvkm_device_endianness(map)) {
+- iowrite32_native(0x01000001, map + 0x000004);
+- ioread32_native(map);
+- if (!nvkm_device_endianness(map)) {
++ if (!nvkm_device_endianness(device)) {
++ nvkm_wr32(device, 0x000004, 0x01000001);
++ nvkm_rd32(device, 0x000000);
++ if (!nvkm_device_endianness(device)) {
+ nvdev_error(device,
+ "GPU not supported on big-endian\n");
+ ret = -ENOSYS;
+@@ -2998,7 +2997,7 @@ nvkm_device_ctor(const struct nvkm_device_func *func,
+ }
+ }
+
+- boot0 = ioread32_native(map + 0x000000);
++ boot0 = nvkm_rd32(device, 0x000000);
+
+ /* chipset can be overridden for devel/testing purposes */
+ chipset = nvkm_longopt(device->cfgopt, "NvChipset", 0);
+@@ -3157,7 +3156,7 @@ nvkm_device_ctor(const struct nvkm_device_func *func,
+ device->chip->name, boot0);
+
+ /* vGPU detection */
+- boot1 = ioread32_native(map + 0x000004);
++ boot1 = nvkm_rd32(device, 0x0000004);
+ if (device->card_type >= TU100 && (boot1 & 0x00030000)) {
+ nvdev_info(device, "vGPUs are not supported\n");
+ ret = -ENODEV;
+@@ -3165,7 +3164,7 @@ nvkm_device_ctor(const struct nvkm_device_func *func,
+ }
+
+ /* read strapping information */
+- strap = ioread32_native(map + 0x101000);
++ strap = nvkm_rd32(device, 0x101000);
+
+ /* determine frequency of timing crystal */
+ if ( device->card_type <= NV_10 || device->chipset < 0x17 ||
+@@ -3187,10 +3186,6 @@ nvkm_device_ctor(const struct nvkm_device_func *func,
+ if (!device->name)
+ device->name = device->chip->name;
+
+- if (mmio) {
+- device->pri = map;
+- }
+-
+ mutex_init(&device->mutex);
+
+ for (i = 0; i < NVKM_SUBDEV_NR; i++) {
+@@ -3278,9 +3273,9 @@ nvkm_device_ctor(const struct nvkm_device_func *func,
+
+ ret = 0;
+ done:
+- if (map && (!mmio || ret)) {
++ if (device->pri && (!mmio || ret)) {
++ iounmap(device->pri);
+ device->pri = NULL;
+- iounmap(map);
+ }
+ mutex_unlock(&nv_devices_mutex);
+ return ret;
+--
+2.26.2
+