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drm/nouveau/flcn: fetch PRI address from TOP if not provided by constructor

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Shortcut to avoid each subdev having to do this itself.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2020-01-15 06:34:21 +10:00
parent 5a4b98cde4
commit de04819213
1 changed files with 7 additions and 0 deletions
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7
drivers/gpu/drm/nouveau/nvkm/falcon/base.c
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@ -22,6 +22,7 @@
#include "priv.h"
#include <subdev/mc.h>
#include <subdev/top.h>
void
nvkm_falcon_load_imem(struct nvkm_falcon *falcon, void *data, u32 start,
@ -141,6 +142,12 @@ nvkm_falcon_oneinit(struct nvkm_falcon *falcon)
u32 debug_reg;
u32 reg;
if (!falcon->addr) {
falcon->addr = nvkm_top_addr(subdev->device, subdev->index);
if (WARN_ON(!falcon->addr))
return -ENODEV;
}
reg = nvkm_falcon_rd32(falcon, 0x12c);
falcon->version = reg & 0xf;
falcon->secret = (reg >> 4) & 0x3;