Bugzilla:https://bugs.freedesktop.org/show_bug.cgi?id=89047
CC: David Airlie <airl...@linux.ie>
CC: Ben Skeggs <bske...@redhat.com>
CC: dri-de...@lists.freedesktop.org
CC: linux-kernel@vger.kernel.org
Signed-off-by: Jan Vesely <jano.ves...@gmail.com>
---
It's needed for 3.19 too
drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c | 2 +-
drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowacpi.c | 4 ++--
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c
b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c
index 8c2b7cb..f566ac8 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadow.c
@@ -44,7 +44,7 @@ shadow_fetch(struct nvkm_bios *bios, u32 upto)
const u32 limit = (upto + 3) & ~3;
const u32 start = bios->size;
void *data = mthd->data;
- if (nvbios_extend(bios, limit) > 0) {
+ if (nvbios_extend(bios, limit) >= 0) {
u32 read = mthd->func->read(data, start, limit - start, bios);
bios->size = start + read;
}
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowacpi.c
b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowacpi.c
index 1fbd93b..f9d0eb5 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowacpi.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowacpi.c
@@ -52,7 +52,7 @@ acpi_read_fast(void *data, u32 offset, u32 length, struct
nvkm_bios *bios)
u32 start = offset & ~0x00000fff;
u32 fetch = limit - start;
- if (nvbios_extend(bios, limit) > 0) {
+ if (nvbios_extend(bios, limit) >= 0) {
int ret = nouveau_acpi_get_bios_chunk(bios->data, start, fetch);
if (ret == fetch)
return fetch;
@@ -73,7 +73,7 @@ acpi_read_slow(void *data, u32 offset, u32 length, struct
nvkm_bios *bios)
u32 start = offset & ~0xfff;
u32 fetch = 0;
- if (nvbios_extend(bios, limit) > 0) {
+ if (nvbios_extend(bios, limit) >= 0) {
while (start + fetch < limit) {
int ret = nouveau_acpi_get_bios_chunk(bios->data,
start + fetch,
--
2.0.5
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