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Commit 299bee10 authored by Ben Skeggs's avatar Ben Skeggs
Browse files

drm/nouveau/bios: fix some shadowing issues, particularly acpi 



Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent f51ee65c

drivers/gpu/drm/nouveau/nouveau_bios.c

+10 −20
Original line number Diff line number Diff line
@@ -196,35 +196,24 @@ static void 
bios_shadow_acpi(struct nvbios *bios)

{

	struct pci_dev *pdev = bios->dev->pdev;

	int ptr, len, ret;

	u8 data[3];

	int cnt = 65536 / ROM_BIOS_PAGE;

	int ret;



	if (!nouveau_acpi_rom_supported(pdev))

		return;



	ret = nouveau_acpi_get_bios_chunk(data, 0, sizeof(data));

	if (ret != sizeof(data))

		return;



	bios->length = min(data[2] * 512, 65536);

	bios->data = kmalloc(bios->length, GFP_KERNEL);

	bios->data = kmalloc(cnt * ROM_BIOS_PAGE, GFP_KERNEL);

	if (!bios->data)

		return;



	len = bios->length;

	ptr = 0;

	while (len) {

		int size = (len > ROM_BIOS_PAGE) ? ROM_BIOS_PAGE : len;



		ret = nouveau_acpi_get_bios_chunk(bios->data, ptr, size);

		if (ret != size) {

			kfree(bios->data);

			bios->data = NULL;

	bios->length = 0;

	while (cnt--) {

		ret = nouveau_acpi_get_bios_chunk(bios->data, bios->length,

						  ROM_BIOS_PAGE);

		if (ret != ROM_BIOS_PAGE)

			return;

		}



		len -= size;

		ptr += size;

		bios->length += ROM_BIOS_PAGE;

	}

}
@@ -294,6 +283,7 @@ bios_shadow(struct drm_device *dev) 
		mthd->score = score_vbios(bios, mthd->rw);

		mthd->size = bios->length;

		mthd->data = bios->data;

		bios->data = NULL;

	} while (mthd->score != 3 && (++mthd)->shadow);



	mthd = shadow_methods;