tree:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 8ab774587903771821b59471cc723bba6d893942
commit: 15d27b15de965043d6f8e23bc7f34386fcd1a772 efi: sysfb_efi: fix build when EFI is not
set
date: 4 months ago
config: x86_64-randconfig-r005-20211116 (attached as .config)
compiler: clang version 14.0.0 (
https://github.com/llvm/llvm-project
fbe72e41b99dc7994daac300d208a955be3e4a0a)
reproduce (this is a W=1 build):
wget
https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O
~/bin/make.cross
chmod +x ~/bin/make.cross
#
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit...
git remote add linus
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 15d27b15de965043d6f8e23bc7f34386fcd1a772
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp(a)intel.com>
All warnings (new ones prefixed by >>):
drivers/firmware/efi/sysfb_efi.c:72:6: warning: no previous prototype for function
'efifb_setup_from_dmi' [-Wmissing-prototypes]
void efifb_setup_from_dmi(struct screen_info *si, const char *opt)
^
drivers/firmware/efi/sysfb_efi.c:72:1: note: declare 'static' if the function
is not intended to be used outside of this translation unit
void efifb_setup_from_dmi(struct screen_info *si, const char *opt)
^
static
> drivers/firmware/efi/sysfb_efi.c:190:35: warning: unused variable
'efifb_dmi_system_table' [-Wunused-const-variable]
static const struct
dmi_system_id efifb_dmi_system_table[] __initconst = {
^
> drivers/firmware/efi/sysfb_efi.c:240:35: warning: unused variable
'efifb_dmi_swap_width_height' [-Wunused-const-variable]
static const
struct dmi_system_id efifb_dmi_swap_width_height[] __initconst = {
^
> drivers/firmware/efi/sysfb_efi.c:331:39: warning: unused variable
'efifb_fwnode_ops' [-Wunused-const-variable]
static const struct
fwnode_operations efifb_fwnode_ops = {
^
4 warnings generated.
vim +/efifb_dmi_system_table +190 drivers/firmware/efi/sysfb_efi.c
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 178
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 179
#define EFIFB_DMI_SYSTEM_ID(vendor, name, enumid) \
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 180
{ \
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 181
efifb_set_system, \
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 182
name, \
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 183
{ \
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 184
DMI_MATCH(DMI_BIOS_VENDOR, vendor), \
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 185
DMI_MATCH(DMI_PRODUCT_NAME, name) \
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 186
}, \
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 187
&efifb_dmi_list[enumid] \
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 188
}
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 189
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 @190
static const struct dmi_system_id efifb_dmi_system_table[] __initconst = {
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 191
EFIFB_DMI_SYSTEM_ID("Apple Computer, Inc.", "iMac4,1", M_I17),
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 192
/* At least one of these two will be right; maybe both? */
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 193
EFIFB_DMI_SYSTEM_ID("Apple Computer, Inc.", "iMac5,1", M_I20),
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 194
EFIFB_DMI_SYSTEM_ID("Apple Inc.", "iMac5,1", M_I20),
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 195
/* At least one of these two will be right; maybe both? */
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 196
EFIFB_DMI_SYSTEM_ID("Apple Computer, Inc.", "iMac6,1", M_I24),
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 197
EFIFB_DMI_SYSTEM_ID("Apple Inc.", "iMac6,1", M_I24),
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 198
EFIFB_DMI_SYSTEM_ID("Apple Inc.", "iMac7,1", M_I20_SR),
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 199
EFIFB_DMI_SYSTEM_ID("Apple Inc.", "iMac8,1", M_I24_8_1),
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 200
EFIFB_DMI_SYSTEM_ID("Apple Inc.", "iMac10,1", M_I24_10_1),
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 201
EFIFB_DMI_SYSTEM_ID("Apple Inc.", "iMac11,1", M_I27_11_1),
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 202
EFIFB_DMI_SYSTEM_ID("Apple Computer, Inc.", "Macmini1,1", M_MINI),
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 203
EFIFB_DMI_SYSTEM_ID("Apple Inc.", "Macmini3,1", M_MINI_3_1),
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 204
EFIFB_DMI_SYSTEM_ID("Apple Inc.", "Macmini4,1", M_MINI_4_1),
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 205
EFIFB_DMI_SYSTEM_ID("Apple Computer, Inc.", "MacBook1,1", M_MB),
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 206
/* At least one of these two will be right; maybe both? */
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 207
EFIFB_DMI_SYSTEM_ID("Apple Computer, Inc.", "MacBook2,1", M_MB),
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 208
EFIFB_DMI_SYSTEM_ID("Apple Inc.", "MacBook2,1", M_MB),
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 209
/* At least one of these two will be right; maybe both? */
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 210
EFIFB_DMI_SYSTEM_ID("Apple Computer, Inc.", "MacBook3,1", M_MB),
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 211
EFIFB_DMI_SYSTEM_ID("Apple Inc.", "MacBook3,1", M_MB),
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 212
EFIFB_DMI_SYSTEM_ID("Apple Inc.", "MacBook4,1", M_MB),
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 213
EFIFB_DMI_SYSTEM_ID("Apple Inc.", "MacBook5,1", M_MB_5_1),
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 214
EFIFB_DMI_SYSTEM_ID("Apple Inc.", "MacBook6,1", M_MB_6_1),
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 215
EFIFB_DMI_SYSTEM_ID("Apple Inc.", "MacBook7,1", M_MB_7_1),
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 216
EFIFB_DMI_SYSTEM_ID("Apple Inc.", "MacBookAir1,1", M_MBA),
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 217
EFIFB_DMI_SYSTEM_ID("Apple Inc.", "MacBookAir3,1", M_MBA_3),
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 218
EFIFB_DMI_SYSTEM_ID("Apple Computer, Inc.", "MacBookPro1,1", M_MBP),
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 219
EFIFB_DMI_SYSTEM_ID("Apple Computer, Inc.", "MacBookPro2,1",
M_MBP_2),
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 220
EFIFB_DMI_SYSTEM_ID("Apple Computer, Inc.", "MacBookPro2,2",
M_MBP_2_2),
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 221
EFIFB_DMI_SYSTEM_ID("Apple Inc.", "MacBookPro2,1", M_MBP_2),
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 222
EFIFB_DMI_SYSTEM_ID("Apple Computer, Inc.", "MacBookPro3,1",
M_MBP_SR),
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 223
EFIFB_DMI_SYSTEM_ID("Apple Inc.", "MacBookPro3,1", M_MBP_SR),
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 224
EFIFB_DMI_SYSTEM_ID("Apple Inc.", "MacBookPro4,1", M_MBP_4),
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 225
EFIFB_DMI_SYSTEM_ID("Apple Inc.", "MacBookPro5,1", M_MBP_5_1),
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 226
EFIFB_DMI_SYSTEM_ID("Apple Inc.", "MacBookPro5,2", M_MBP_5_2),
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 227
EFIFB_DMI_SYSTEM_ID("Apple Inc.", "MacBookPro5,3", M_MBP_5_3),
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 228
EFIFB_DMI_SYSTEM_ID("Apple Inc.", "MacBookPro6,1", M_MBP_6_1),
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 229
EFIFB_DMI_SYSTEM_ID("Apple Inc.", "MacBookPro6,2", M_MBP_6_2),
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 230
EFIFB_DMI_SYSTEM_ID("Apple Inc.", "MacBookPro7,1", M_MBP_7_1),
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 231
EFIFB_DMI_SYSTEM_ID("Apple Inc.", "MacBookPro8,2", M_MBP_8_2),
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 232
{},
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 233
};
2995e506276bfd arch/x86/kernel/sysfb_efi.c David Herrmann 2013-08-02 234
d02f1aa39189e0 arch/x86/kernel/sysfb_efi.c Hans de Goede 2019-07-21 235
/*
d02f1aa39189e0 arch/x86/kernel/sysfb_efi.c Hans de Goede 2019-07-21 236
* Some devices have a portrait LCD but advertise a landscape resolution (and
d02f1aa39189e0 arch/x86/kernel/sysfb_efi.c Hans de Goede 2019-07-21 237
* pitch). We simply swap width and height for these devices so that we can
d02f1aa39189e0 arch/x86/kernel/sysfb_efi.c Hans de Goede 2019-07-21 238
* correctly deal with some of them coming with multiple resolutions.
d02f1aa39189e0 arch/x86/kernel/sysfb_efi.c Hans de Goede 2019-07-21 239
*/
d02f1aa39189e0 arch/x86/kernel/sysfb_efi.c Hans de Goede 2019-07-21 @240
static const struct dmi_system_id efifb_dmi_swap_width_height[] __initconst = {
d02f1aa39189e0 arch/x86/kernel/sysfb_efi.c Hans de Goede 2019-07-21 241
{
d02f1aa39189e0 arch/x86/kernel/sysfb_efi.c Hans de Goede 2019-07-21 242
/*
d02f1aa39189e0 arch/x86/kernel/sysfb_efi.c Hans de Goede 2019-07-21 243
* Lenovo MIIX310-10ICR, only some batches have the troublesome
d02f1aa39189e0 arch/x86/kernel/sysfb_efi.c Hans de Goede 2019-07-21 244
* 800x1280 portrait screen. Luckily the portrait version has
d02f1aa39189e0 arch/x86/kernel/sysfb_efi.c Hans de Goede 2019-07-21 245
* its own BIOS version, so we match on that.
d02f1aa39189e0 arch/x86/kernel/sysfb_efi.c Hans de Goede 2019-07-21 246
*/
d02f1aa39189e0 arch/x86/kernel/sysfb_efi.c Hans de Goede 2019-07-21 247
.matches = {
d02f1aa39189e0 arch/x86/kernel/sysfb_efi.c Hans de Goede 2019-07-21 248
DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"),
d02f1aa39189e0 arch/x86/kernel/sysfb_efi.c Hans de Goede 2019-07-21 249
DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "MIIX 310-10ICR"),
d02f1aa39189e0 arch/x86/kernel/sysfb_efi.c Hans de Goede 2019-07-21 250
DMI_EXACT_MATCH(DMI_BIOS_VERSION, "1HCN44WW"),
d02f1aa39189e0 arch/x86/kernel/sysfb_efi.c Hans de Goede 2019-07-21 251
},
d02f1aa39189e0 arch/x86/kernel/sysfb_efi.c Hans de Goede 2019-07-21 252
},
d02f1aa39189e0 arch/x86/kernel/sysfb_efi.c Hans de Goede 2019-07-21 253
{
d02f1aa39189e0 arch/x86/kernel/sysfb_efi.c Hans de Goede 2019-07-21 254
/* Lenovo MIIX 320-10ICR with 800x1280 portrait screen */
d02f1aa39189e0 arch/x86/kernel/sysfb_efi.c Hans de Goede 2019-07-21 255
.matches = {
d02f1aa39189e0 arch/x86/kernel/sysfb_efi.c Hans de Goede 2019-07-21 256
DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"),
d02f1aa39189e0 arch/x86/kernel/sysfb_efi.c Hans de Goede 2019-07-21 257
DMI_EXACT_MATCH(DMI_PRODUCT_VERSION,
d02f1aa39189e0 arch/x86/kernel/sysfb_efi.c Hans de Goede 2019-07-21 258
"Lenovo MIIX 320-10ICR"),
d02f1aa39189e0 arch/x86/kernel/sysfb_efi.c Hans de Goede 2019-07-21 259
},
d02f1aa39189e0 arch/x86/kernel/sysfb_efi.c Hans de Goede 2019-07-21 260
},
d02f1aa39189e0 arch/x86/kernel/sysfb_efi.c Hans de Goede 2019-07-21 261
{
d02f1aa39189e0 arch/x86/kernel/sysfb_efi.c Hans de Goede 2019-07-21 262
/* Lenovo D330 with 800x1280 or 1200x1920 portrait screen */
d02f1aa39189e0 arch/x86/kernel/sysfb_efi.c Hans de Goede 2019-07-21 263
.matches = {
d02f1aa39189e0 arch/x86/kernel/sysfb_efi.c Hans de Goede 2019-07-21 264
DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"),
d02f1aa39189e0 arch/x86/kernel/sysfb_efi.c Hans de Goede 2019-07-21 265
DMI_EXACT_MATCH(DMI_PRODUCT_VERSION,
d02f1aa39189e0 arch/x86/kernel/sysfb_efi.c Hans de Goede 2019-07-21 266
"Lenovo ideapad D330-10IGM"),
d02f1aa39189e0 arch/x86/kernel/sysfb_efi.c Hans de Goede 2019-07-21 267
},
d02f1aa39189e0 arch/x86/kernel/sysfb_efi.c Hans de Goede 2019-07-21 268
},
d02f1aa39189e0 arch/x86/kernel/sysfb_efi.c Hans de Goede 2019-07-21 269
{},
d02f1aa39189e0 arch/x86/kernel/sysfb_efi.c Hans de Goede 2019-07-21 270
};
d02f1aa39189e0 arch/x86/kernel/sysfb_efi.c Hans de Goede 2019-07-21 271
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 272
static bool efifb_overlaps_pci_range(const struct of_pci_range *range)
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 273
{
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 274
u64 fb_base = screen_info.lfb_base;
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 275
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 276
if (screen_info.capabilities & VIDEO_CAPABILITY_64BIT_BASE)
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 277
fb_base |= (u64)(unsigned long)screen_info.ext_lfb_base << 32;
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 278
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 279
return fb_base >= range->cpu_addr &&
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 280
fb_base < (range->cpu_addr + range->size);
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 281
}
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 282
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 283
static struct device_node *find_pci_overlap_node(void)
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 284
{
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 285
struct device_node *np;
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 286
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 287
for_each_node_by_type(np, "pci") {
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 288
struct of_pci_range_parser parser;
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 289
struct of_pci_range range;
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 290
int err;
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 291
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 292
err = of_pci_range_parser_init(&parser, np);
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 293
if (err) {
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 294
pr_warn("of_pci_range_parser_init() failed: %d\n", err);
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 295
continue;
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 296
}
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 297
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 298
for_each_of_pci_range(&parser, &range)
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 299
if (efifb_overlaps_pci_range(&range))
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 300
return np;
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 301
}
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 302
return NULL;
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 303
}
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 304
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 305
/*
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 306
* If the efifb framebuffer is backed by a PCI graphics controller, we have
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 307
* to ensure that this relation is expressed using a device link when
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 308
* running in DT mode, or the probe order may be reversed, resulting in a
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 309
* resource reservation conflict on the memory window that the efifb
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 310
* framebuffer steals from the PCIe host bridge.
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 311
*/
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 312
static int efifb_add_links(struct fwnode_handle *fwnode)
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 313
{
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 314
struct device_node *sup_np;
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 315
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 316
sup_np = find_pci_overlap_node();
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 317
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 318
/*
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 319
* If there's no PCI graphics controller backing the efifb, we are
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 320
* done here.
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 321
*/
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 322
if (!sup_np)
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 323
return 0;
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 324
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 325
fwnode_link_add(fwnode, of_fwnode_handle(sup_np));
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 326
of_node_put(sup_np);
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 327
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 328
return 0;
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 329
}
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 330
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 @331
static const struct fwnode_operations efifb_fwnode_ops = {
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 332
.add_links = efifb_add_links,
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 333
};
8633ef82f101c0 drivers/firmware/efi/sysfb_efi.c Javier Martinez Canillas 2021-06-25 334
:::::: The code at line 190 was first introduced by commit
:::::: 2995e506276bfdc7311eb02db8b2aa1a61a4b849 x86: sysfb: move EFI quirks from efifb to
sysfb
:::::: TO: David Herrmann <dh.herrmann(a)gmail.com>
:::::: CC: H. Peter Anvin <hpa(a)linux.intel.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org