summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorDave Airlie <airlied@redhat.com>2024-05-10 23:01:31 +0200
committerDave Airlie <airlied@redhat.com>2024-05-10 23:04:10 +0200
commita222a6470d7eea91193946e8162066fa88da64c2 (patch)
treeb86c8d581d3af01ccd8852e0ce70422b17be19e7
parentMerge tag 'drm-misc-fixes-2024-05-10' of https://gitlab.freedesktop.org/drm/m... (diff)
downloadlinux-a222a6470d7eea91193946e8162066fa88da64c2.tar.xz
linux-a222a6470d7eea91193946e8162066fa88da64c2.zip
Revert "drm/nouveau/firmware: Fix SG_DEBUG error with nvkm_firmware_ctor()"
This reverts commit 52a6947bf576b97ff8e14bb0a31c5eaf2d0d96e2. This causes loading failures in [ 0.367379] nouveau 0000:01:00.0: NVIDIA GP104 (134000a1) [ 0.474499] nouveau 0000:01:00.0: bios: version 86.04.50.80.13 [ 0.474620] nouveau 0000:01:00.0: pmu: firmware unavailable [ 0.474977] nouveau 0000:01:00.0: fb: 8192 MiB GDDR5 [ 0.484371] nouveau 0000:01:00.0: sec2(acr): mbox 00000001 00000000 [ 0.484377] nouveau 0000:01:00.0: sec2(acr):load: boot failed: -5 [ 0.484379] nouveau 0000:01:00.0: acr: init failed, -5 [ 0.484466] nouveau 0000:01:00.0: init failed with -5 [ 0.484468] nouveau: DRM-master:00000000:00000080: init failed with -5 [ 0.484470] nouveau 0000:01:00.0: DRM-master: Device allocation failed: -5 [ 0.485078] nouveau 0000:01:00.0: probe with driver nouveau failed with error -50 I tried tracking it down but ran out of time this week, will revisit next week. Reported-by: Dan Moulding <dan@danm.net> Cc: stable@vger.kernel.org Signed-off-by: Dave Airlie <airlied@redhat.com>
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/core/firmware.c19
1 files changed, 7 insertions, 12 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/core/firmware.c b/drivers/gpu/drm/nouveau/nvkm/core/firmware.c
index 141b0a513bf5..adc60b25f8e6 100644
--- a/drivers/gpu/drm/nouveau/nvkm/core/firmware.c
+++ b/drivers/gpu/drm/nouveau/nvkm/core/firmware.c
@@ -205,9 +205,7 @@ nvkm_firmware_dtor(struct nvkm_firmware *fw)
break;
case NVKM_FIRMWARE_IMG_DMA:
nvkm_memory_unref(&memory);
- dma_unmap_single(fw->device->dev, fw->phys, sg_dma_len(&fw->mem.sgl),
- DMA_TO_DEVICE);
- kfree(fw->img);
+ dma_free_coherent(fw->device->dev, sg_dma_len(&fw->mem.sgl), fw->img, fw->phys);
break;
case NVKM_FIRMWARE_IMG_SGT:
nvkm_memory_unref(&memory);
@@ -237,17 +235,14 @@ nvkm_firmware_ctor(const struct nvkm_firmware_func *func, const char *name,
fw->img = kmemdup(src, fw->len, GFP_KERNEL);
break;
case NVKM_FIRMWARE_IMG_DMA: {
- len = ALIGN(fw->len, PAGE_SIZE);
+ dma_addr_t addr;
- fw->img = kmalloc(len, GFP_KERNEL);
- if (!fw->img)
- return -ENOMEM;
+ len = ALIGN(fw->len, PAGE_SIZE);
- memcpy(fw->img, src, fw->len);
- fw->phys = dma_map_single(fw->device->dev, fw->img, len, DMA_TO_DEVICE);
- if (dma_mapping_error(fw->device->dev, fw->phys)) {
- kfree(fw->img);
- return -EFAULT;
+ fw->img = dma_alloc_coherent(fw->device->dev, len, &addr, GFP_KERNEL);
+ if (fw->img) {
+ memcpy(fw->img, src, fw->len);
+ fw->phys = addr;
}
sg_init_one(&fw->mem.sgl, fw->img, len);