drm/nouveau/bios: rework vbios shadowing

Refactored to allow shadowing of VBIOS images longer than 64KiB, which
allows us to pass the VBIOS checksum test on certain boards.

There's also a workaround for reading the PROM VBIOS on some chipsets.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.h b/drivers/gpu/drm/nouveau/nouveau_bios.h
index 0fc4e21c748b..1f3233df00e6 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bios.h
+++ b/drivers/gpu/drm/nouveau/nouveau_bios.h
@@ -211,6 +211,8 @@ struct nvbios {
                 NVBIOS_BIT
         } type;
         uint16_t offset;
+        uint32_t length;
+        uint8_t *data;
 
         uint8_t chip_version;
 
@@ -221,8 +223,6 @@ struct nvbios {
 
         spinlock_t lock;
 
-        uint8_t data[NV_PROM_SIZE];
-        unsigned int length;
         bool execute;
 
         uint8_t major_version;