49 static bool check_atom_bios(uint8_t *bios, size_t size)  in check_atom_bios()  argument
53 	if (!bios || size < 0x49) {  in check_atom_bios()
58 	if (!AMD_IS_VALID_VBIOS(bios)) {  in check_atom_bios()
59 		DRM_INFO("BIOS signature incorrect %x %x\n", bios[0], bios[1]);  in check_atom_bios()
63 	bios_header_start = bios[0x48] | (bios[0x49] << 8);  in check_atom_bios()
75 	if (!memcmp(bios + tmp, "ATOM", 4) ||  in check_atom_bios()
76 	    !memcmp(bios + tmp, "MOTA", 4)) {  in check_atom_bios()
92 	uint8_t __iomem *bios;  in igp_read_bios_from_vram()  local
100 	adev->bios = NULL;  in igp_read_bios_from_vram()
102 	bios = ioremap_wc(vram_base, size);  in igp_read_bios_from_vram()
103 	if (!bios) {  in igp_read_bios_from_vram()
107 	adev->bios = kmalloc(size, GFP_KERNEL);  in igp_read_bios_from_vram()
108 	if (!adev->bios) {  in igp_read_bios_from_vram()
109 		iounmap(bios);  in igp_read_bios_from_vram()
113 	memcpy_fromio(adev->bios, bios, size);  in igp_read_bios_from_vram()
114 	iounmap(bios);  in igp_read_bios_from_vram()
116 	if (!check_atom_bios(adev->bios, size)) {  in igp_read_bios_from_vram()
117 		kfree(adev->bios);  in igp_read_bios_from_vram()
126 	uint8_t __iomem *bios;  in amdgpu_read_bios()  local
129 	adev->bios = NULL;  in amdgpu_read_bios()
131 	bios = pci_map_rom(adev->pdev, &size);  in amdgpu_read_bios()
132 	if (!bios) {  in amdgpu_read_bios()
136 	adev->bios = kzalloc(size, GFP_KERNEL);  in amdgpu_read_bios()
137 	if (adev->bios == NULL) {  in amdgpu_read_bios()
138 		pci_unmap_rom(adev->pdev, bios);  in amdgpu_read_bios()
142 	memcpy_fromio(adev->bios, bios, size);  in amdgpu_read_bios()
143 	pci_unmap_rom(adev->pdev, bios);  in amdgpu_read_bios()
145 	if (!check_atom_bios(adev->bios, size)) {  in amdgpu_read_bios()
146 		kfree(adev->bios);  in amdgpu_read_bios()
175 	adev->bios = kmalloc(len, GFP_KERNEL);  in amdgpu_read_bios_from_rom()
176 	if (!adev->bios) {  in amdgpu_read_bios_from_rom()
183 	amdgpu_asic_read_bios_from_rom(adev, adev->bios, len);  in amdgpu_read_bios_from_rom()
185 	if (!check_atom_bios(adev->bios, len)) {  in amdgpu_read_bios_from_rom()
186 		kfree(adev->bios);  in amdgpu_read_bios_from_rom()
195 	uint8_t __iomem *bios;  in amdgpu_read_platform_bios()  local
198 	adev->bios = NULL;  in amdgpu_read_platform_bios()
200 	bios = pci_platform_rom(adev->pdev, &size);  in amdgpu_read_platform_bios()
201 	if (!bios) {  in amdgpu_read_platform_bios()
205 	adev->bios = kzalloc(size, GFP_KERNEL);  in amdgpu_read_platform_bios()
206 	if (adev->bios == NULL)  in amdgpu_read_platform_bios()
209 	memcpy_fromio(adev->bios, bios, size);  in amdgpu_read_platform_bios()
211 	if (!check_atom_bios(adev->bios, size)) {  in amdgpu_read_platform_bios()
212 		kfree(adev->bios);  in amdgpu_read_platform_bios()
239 static int amdgpu_atrm_call(acpi_handle atrm_handle, uint8_t *bios,  in amdgpu_atrm_call()  argument
263 	memcpy(bios+offset, obj->buffer.pointer, obj->buffer.length);  in amdgpu_atrm_call()
312 	adev->bios = kmalloc(size, GFP_KERNEL);  in amdgpu_atrm_get_bios()
313 	if (!adev->bios) {  in amdgpu_atrm_get_bios()
320 				       adev->bios,  in amdgpu_atrm_get_bios()
327 	if (!check_atom_bios(adev->bios, size)) {  in amdgpu_atrm_get_bios()
328 		kfree(adev->bios);  in amdgpu_atrm_get_bios()
390 			adev->bios = kmemdup(&vbios->VbiosContent,  in amdgpu_acpi_vfct_bios()
394 			if (!check_atom_bios(adev->bios, vhdr->ImageLength)) {  in amdgpu_acpi_vfct_bios()
395 				kfree(adev->bios);  in amdgpu_acpi_vfct_bios()