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Merge branch 'linux-4.3' of git://anongit.freedesktop.org/git/nouveau…
Browse files Browse the repository at this point in the history 
…/linux-2.6 into drm-next

Rather large pull request this time around, due to the long-pending
cleanup of the kernel driver being here.  There's a stupidly large
number of commits for that, as I wanted to have the series be
bisectable at a fairly fine-grained level.  That said, a very large
portion of the churn in the rework was automated, and a very large
number of boards from right across the whole range we support have
been tested.  I'm fairly confident there shouldn't be (too many)
issues from this.

Beyond correcting some not-so-great design decisions and making the
code a lot easier to work with, there's not much exciting (lower
memory usage, GPU VM should be a lot faster, etc) to be gained by the
end-user as a result of the cleanup, it mostly lays the groundwork for
future improvements.

A big thanks goes to Alexandre Courbot for testing/debugging the GK20A
codepaths for me :)

Highlights:
- A heap of perfmon work, providing a more useful userspace interface
and specifying counters for a bunch of boards
- Support for GT200 reclocking + other misc pm improvements
- Initial patches towards supporting GM20B (Tegra X1)
- Maxwell DisplayPort fixes
- Cleanup of the kernel driver
- The usual collection of random fixes

* 'linux-4.3' of git://anongit.freedesktop.org/git/nouveau/linux-2.6: (312 commits)
  drm/nouveau: bump driver version for release
  drm/nouveau/tegra: merge platform setup from nouveau drm
  drm/nouveau/pci: merge agp handling from nouveau drm
  drm/nouveau/device: remove pci/platform_device from common struct
  drm/nouveau/device: import pciid list and integrate quirks with it
  drm/nouveau/device: cleaner abstraction for device resource functions
  drm/nouveau/mc: move device irq handling to platform-specific code
  drm/nouveau/mc/gf100-: handle second interrupt tree
  drm/nouveau/mc: abstract interface to master intr registers
  drm/nouveau/pci: new subdev
  drm/nouveau/object: merge with handle
  drm/nouveau/core: remove the remainder of the previous style
  drm/nouveau/mpeg: convert to new-style nvkm_engine
  drm/nouveau/sw: convert to new-style nvkm_engine
  drm/nouveau/pm: convert to new-style nvkm_engine
  drm/nouveau/gr: convert to new-style nvkm_engine
  drm/nouveau/fifo: convert to new-style nvkm_engine
  drm/nouveau/disp: convert to new-style nvkm_engine
  drm/nouveau/dma: convert to new-style nvkm_engine
  drm/nouveau/cipher: convert to new-style nvkm_engine
  ...
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Dave Airlie committed Aug 28, 2015
2 parents d7b2736 + a3c1ff8 commit 3439633
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Showing 728 changed files with 43,062 additions and 37,930 deletions.
1 change: 0 additions & 1 deletion drivers/gpu/drm/nouveau/Kbuild
View file
Original file line number Diff line number Diff line change
Expand Up @@ -18,7 +18,6 @@ nouveau-y += $(nvkm-y)
ifdef CONFIG_X86
nouveau-$(CONFIG_ACPI) += nouveau_acpi.o
endif
nouveau-y += nouveau_agp.o
nouveau-$(CONFIG_DEBUG_FS) += nouveau_debugfs.o
nouveau-y += nouveau_drm.o
nouveau-y += nouveau_hwmon.o
Expand Down
2 changes: 1 addition & 1 deletion drivers/gpu/drm/nouveau/dispnv04/arb.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -198,7 +198,7 @@ nv04_update_arb(struct drm_device *dev, int VClk, int bpp,
int *burst, int *lwm)
{
struct nouveau_drm *drm = nouveau_drm(dev);
struct nvif_device *device = &nouveau_drm(dev)->device;
struct nvif_object *device = &nouveau_drm(dev)->device.object;
struct nv_fifo_info fifo_data;
struct nv_sim_state sim_data;
int MClk = nouveau_hw_get_clock(dev, PLL_MEMORY);
Expand Down
45 changes: 25 additions & 20 deletions drivers/gpu/drm/nouveau/dispnv04/dac.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -65,8 +65,8 @@ int nv04_dac_output_offset(struct drm_encoder *encoder)

static int sample_load_twice(struct drm_device *dev, bool sense[2])
{
struct nvif_device *device = &nouveau_drm(dev)->device;
struct nvkm_timer *ptimer = nvxx_timer(device);
struct nouveau_drm *drm = nouveau_drm(dev);
struct nvif_object *device = &drm->device.object;
int i;

for (i = 0; i < 2; i++) {
Expand All @@ -80,17 +80,22 @@ static int sample_load_twice(struct drm_device *dev, bool sense[2])
* use a 10ms timeout (guards against crtc being inactive, in
* which case blank state would never change)
*/
if (!nvkm_timer_wait_eq(ptimer, 10000000,
NV_PRMCIO_INP0__COLOR,
0x00000001, 0x00000000))
if (nvif_msec(&drm->device, 10,
if (!(nvif_rd32(device, NV_PRMCIO_INP0__COLOR) & 1))
break;
) < 0)
return -EBUSY;
if (!nvkm_timer_wait_eq(ptimer, 10000000,
NV_PRMCIO_INP0__COLOR,
0x00000001, 0x00000001))

if (nvif_msec(&drm->device, 10,
if ( (nvif_rd32(device, NV_PRMCIO_INP0__COLOR) & 1))
break;
) < 0)
return -EBUSY;
if (!nvkm_timer_wait_eq(ptimer, 10000000,
NV_PRMCIO_INP0__COLOR,
0x00000001, 0x00000000))

if (nvif_msec(&drm->device, 10,
if (!(nvif_rd32(device, NV_PRMCIO_INP0__COLOR) & 1))
break;
) < 0)
return -EBUSY;

udelay(100);
Expand Down Expand Up @@ -128,7 +133,7 @@ static enum drm_connector_status nv04_dac_detect(struct drm_encoder *encoder,
struct drm_connector *connector)
{
struct drm_device *dev = encoder->dev;
struct nvif_device *device = &nouveau_drm(dev)->device;
struct nvif_object *device = &nouveau_drm(dev)->device.object;
struct nouveau_drm *drm = nouveau_drm(dev);
uint8_t saved_seq1, saved_pi, saved_rpc1, saved_cr_mode;
uint8_t saved_palette0[3], saved_palette_mask;
Expand Down Expand Up @@ -231,8 +236,8 @@ uint32_t nv17_dac_sample_load(struct drm_encoder *encoder)
{
struct drm_device *dev = encoder->dev;
struct nouveau_drm *drm = nouveau_drm(dev);
struct nvif_device *device = &nouveau_drm(dev)->device;
struct nvkm_gpio *gpio = nvxx_gpio(device);
struct nvif_object *device = &nouveau_drm(dev)->device.object;
struct nvkm_gpio *gpio = nvxx_gpio(&drm->device);
struct dcb_output *dcb = nouveau_encoder(encoder)->dcb;
uint32_t sample, testval, regoffset = nv04_dac_output_offset(encoder);
uint32_t saved_powerctrl_2 = 0, saved_powerctrl_4 = 0, saved_routput,
Expand Down Expand Up @@ -265,10 +270,10 @@ uint32_t nv17_dac_sample_load(struct drm_encoder *encoder)
}

if (gpio) {
saved_gpio1 = gpio->get(gpio, 0, DCB_GPIO_TVDAC1, 0xff);
saved_gpio0 = gpio->get(gpio, 0, DCB_GPIO_TVDAC0, 0xff);
gpio->set(gpio, 0, DCB_GPIO_TVDAC1, 0xff, dcb->type == DCB_OUTPUT_TV);
gpio->set(gpio, 0, DCB_GPIO_TVDAC0, 0xff, dcb->type == DCB_OUTPUT_TV);
saved_gpio1 = nvkm_gpio_get(gpio, 0, DCB_GPIO_TVDAC1, 0xff);
saved_gpio0 = nvkm_gpio_get(gpio, 0, DCB_GPIO_TVDAC0, 0xff);
nvkm_gpio_set(gpio, 0, DCB_GPIO_TVDAC1, 0xff, dcb->type == DCB_OUTPUT_TV);
nvkm_gpio_set(gpio, 0, DCB_GPIO_TVDAC0, 0xff, dcb->type == DCB_OUTPUT_TV);
}

msleep(4);
Expand Down Expand Up @@ -320,8 +325,8 @@ uint32_t nv17_dac_sample_load(struct drm_encoder *encoder)
nvif_wr32(device, NV_PBUS_POWERCTRL_2, saved_powerctrl_2);

if (gpio) {
gpio->set(gpio, 0, DCB_GPIO_TVDAC1, 0xff, saved_gpio1);
gpio->set(gpio, 0, DCB_GPIO_TVDAC0, 0xff, saved_gpio0);
nvkm_gpio_set(gpio, 0, DCB_GPIO_TVDAC1, 0xff, saved_gpio1);
nvkm_gpio_set(gpio, 0, DCB_GPIO_TVDAC0, 0xff, saved_gpio0);
}

return sample;
Expand Down
21 changes: 10 additions & 11 deletions drivers/gpu/drm/nouveau/dispnv04/dfp.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -281,7 +281,7 @@ static void nv04_dfp_mode_set(struct drm_encoder *encoder,
struct drm_display_mode *adjusted_mode)
{
struct drm_device *dev = encoder->dev;
struct nvif_device *device = &nouveau_drm(dev)->device;
struct nvif_object *device = &nouveau_drm(dev)->device.object;
struct nouveau_drm *drm = nouveau_drm(dev);
struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc);
struct nv04_crtc_reg *regp = &nv04_display(dev)->mode_reg.crtc_reg[nv_crtc->index];
Expand Down Expand Up @@ -493,11 +493,11 @@ static void nv04_dfp_update_backlight(struct drm_encoder *encoder, int mode)
if (dev->pdev->device == 0x0174 || dev->pdev->device == 0x0179 ||
dev->pdev->device == 0x0189 || dev->pdev->device == 0x0329) {
if (mode == DRM_MODE_DPMS_ON) {
nv_mask(device, NV_PBUS_DEBUG_DUALHEAD_CTL, 1 << 31, 1 << 31);
nv_mask(device, NV_PCRTC_GPIO_EXT, 3, 1);
nvif_mask(device, NV_PBUS_DEBUG_DUALHEAD_CTL, 1 << 31, 1 << 31);
nvif_mask(device, NV_PCRTC_GPIO_EXT, 3, 1);
} else {
nv_mask(device, NV_PBUS_DEBUG_DUALHEAD_CTL, 1 << 31, 0);
nv_mask(device, NV_PCRTC_GPIO_EXT, 3, 0);
nvif_mask(device, NV_PBUS_DEBUG_DUALHEAD_CTL, 1 << 31, 0);
nvif_mask(device, NV_PCRTC_GPIO_EXT, 3, 0);
}
}
#endif
Expand Down Expand Up @@ -624,8 +624,8 @@ static void nv04_tmds_slave_init(struct drm_encoder *encoder)
struct dcb_output *dcb = nouveau_encoder(encoder)->dcb;
struct nouveau_drm *drm = nouveau_drm(dev);
struct nvkm_i2c *i2c = nvxx_i2c(&drm->device);
struct nvkm_i2c_port *port = i2c->find(i2c, 2);
struct nvkm_i2c_board_info info[] = {
struct nvkm_i2c_bus *bus = nvkm_i2c_bus_find(i2c, NVKM_I2C_BUS_PRI);
struct nvkm_i2c_bus_probe info[] = {
{
{
.type = "sil164",
Expand All @@ -639,16 +639,15 @@ static void nv04_tmds_slave_init(struct drm_encoder *encoder)
};
int type;

if (!nv_gf4_disp_arch(dev) || !port ||
get_tmds_slave(encoder))
if (!nv_gf4_disp_arch(dev) || !bus || get_tmds_slave(encoder))
return;

type = i2c->identify(i2c, 2, "TMDS transmitter", info, NULL, NULL);
type = nvkm_i2c_bus_probe(bus, "TMDS transmitter", info, NULL, NULL);
if (type < 0)
return;

drm_i2c_encoder_init(dev, to_encoder_slave(encoder),
&port->adapter, &info[type].dev);
&bus->i2c, &info[type].dev);
}

static const struct drm_encoder_helper_funcs nv04_lvds_helper_funcs = {
Expand Down
8 changes: 5 additions & 3 deletions drivers/gpu/drm/nouveau/dispnv04/disp.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -47,7 +47,7 @@ nv04_display_create(struct drm_device *dev)
if (!disp)
return -ENOMEM;

nvif_object_map(nvif_object(&drm->device));
nvif_object_map(&drm->device.object);

nouveau_display(dev)->priv = disp;
nouveau_display(dev)->dtor = nv04_display_destroy;
Expand Down Expand Up @@ -101,7 +101,9 @@ nv04_display_create(struct drm_device *dev)

list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
nv_encoder->i2c = i2c->find(i2c, nv_encoder->dcb->i2c_index);
struct nvkm_i2c_bus *bus =
nvkm_i2c_bus_find(i2c, nv_encoder->dcb->i2c_index);
nv_encoder->i2c = bus ? &bus->i2c : NULL;
}

/* Save previous state */
Expand Down Expand Up @@ -151,7 +153,7 @@ nv04_display_destroy(struct drm_device *dev)
nouveau_display(dev)->priv = NULL;
kfree(disp);

nvif_object_unmap(nvif_object(&drm->device));
nvif_object_unmap(&drm->device.object);
}

int
Expand Down
2 changes: 1 addition & 1 deletion drivers/gpu/drm/nouveau/dispnv04/disp.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -172,7 +172,7 @@ nouveau_bios_run_init_table(struct drm_device *dev, u16 table,
struct nouveau_drm *drm = nouveau_drm(dev);
struct nvkm_bios *bios = nvxx_bios(&drm->device);
struct nvbios_init init = {
.subdev = nv_subdev(bios),
.subdev = &bios->subdev,
.bios = bios,
.offset = table,
.outp = outp,
Expand Down
29 changes: 17 additions & 12 deletions drivers/gpu/drm/nouveau/dispnv04/hw.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -165,8 +165,8 @@ nouveau_hw_get_pllvals(struct drm_device *dev, enum nvbios_pll_type plltype,
struct nvkm_pll_vals *pllvals)
{
struct nouveau_drm *drm = nouveau_drm(dev);
struct nvif_device *device = &drm->device;
struct nvkm_bios *bios = nvxx_bios(device);
struct nvif_object *device = &drm->device.object;
struct nvkm_bios *bios = nvxx_bios(&drm->device);
uint32_t reg1, pll1, pll2 = 0;
struct nvbios_pll pll_lim;
int ret;
Expand Down Expand Up @@ -660,8 +660,7 @@ nv_load_state_ext(struct drm_device *dev, int head,
struct nv04_mode_state *state)
{
struct nouveau_drm *drm = nouveau_drm(dev);
struct nvif_device *device = &drm->device;
struct nvkm_timer *ptimer = nvxx_timer(device);
struct nvif_object *device = &drm->device.object;
struct nv04_crtc_reg *regp = &state->crtc_reg[head];
uint32_t reg900;
int i;
Expand All @@ -678,10 +677,10 @@ nv_load_state_ext(struct drm_device *dev, int head,
nvif_wr32(device, NV_PVIDEO_INTR_EN, 0);
nvif_wr32(device, NV_PVIDEO_OFFSET_BUFF(0), 0);
nvif_wr32(device, NV_PVIDEO_OFFSET_BUFF(1), 0);
nvif_wr32(device, NV_PVIDEO_LIMIT(0), device->info.ram_size - 1);
nvif_wr32(device, NV_PVIDEO_LIMIT(1), device->info.ram_size - 1);
nvif_wr32(device, NV_PVIDEO_UVPLANE_LIMIT(0), device->info.ram_size - 1);
nvif_wr32(device, NV_PVIDEO_UVPLANE_LIMIT(1), device->info.ram_size - 1);
nvif_wr32(device, NV_PVIDEO_LIMIT(0), drm->device.info.ram_size - 1);
nvif_wr32(device, NV_PVIDEO_LIMIT(1), drm->device.info.ram_size - 1);
nvif_wr32(device, NV_PVIDEO_UVPLANE_LIMIT(0), drm->device.info.ram_size - 1);
nvif_wr32(device, NV_PVIDEO_UVPLANE_LIMIT(1), drm->device.info.ram_size - 1);
nvif_wr32(device, NV_PBUS_POWERCTRL_2, 0);

NVWriteCRTC(dev, head, NV_PCRTC_CURSOR_CONFIG, regp->cursor_cfg);
Expand Down Expand Up @@ -741,8 +740,14 @@ nv_load_state_ext(struct drm_device *dev, int head,
if (drm->device.info.family < NV_DEVICE_INFO_V0_KELVIN) {
/* Not waiting for vertical retrace before modifying
CRE_53/CRE_54 causes lockups. */
nvkm_timer_wait_eq(ptimer, 650000000, NV_PRMCIO_INP0__COLOR, 0x8, 0x8);
nvkm_timer_wait_eq(ptimer, 650000000, NV_PRMCIO_INP0__COLOR, 0x8, 0x0);
nvif_msec(&drm->device, 650,
if ( (nvif_rd32(device, NV_PRMCIO_INP0__COLOR) & 8))
break;
);
nvif_msec(&drm->device, 650,
if (!(nvif_rd32(device, NV_PRMCIO_INP0__COLOR) & 8))
break;
);
}

wr_cio_state(dev, head, regp, NV_CIO_CRE_42);
Expand All @@ -765,7 +770,7 @@ static void
nv_save_state_palette(struct drm_device *dev, int head,
struct nv04_mode_state *state)
{
struct nvif_device *device = &nouveau_drm(dev)->device;
struct nvif_object *device = &nouveau_drm(dev)->device.object;
int head_offset = head * NV_PRMDIO_SIZE, i;

nvif_wr08(device, NV_PRMDIO_PIXEL_MASK + head_offset,
Expand All @@ -784,7 +789,7 @@ void
nouveau_hw_load_state_palette(struct drm_device *dev, int head,
struct nv04_mode_state *state)
{
struct nvif_device *device = &nouveau_drm(dev)->device;
struct nvif_object *device = &nouveau_drm(dev)->device.object;
int head_offset = head * NV_PRMDIO_SIZE, i;

nvif_wr08(device, NV_PRMDIO_PIXEL_MASK + head_offset,
Expand Down
26 changes: 13 additions & 13 deletions drivers/gpu/drm/nouveau/dispnv04/hw.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -60,7 +60,7 @@ extern void nouveau_calc_arb(struct drm_device *, int vclk, int bpp,
static inline uint32_t NVReadCRTC(struct drm_device *dev,
int head, uint32_t reg)
{
struct nvif_device *device = &nouveau_drm(dev)->device;
struct nvif_object *device = &nouveau_drm(dev)->device.object;
uint32_t val;
if (head)
reg += NV_PCRTC0_SIZE;
Expand All @@ -71,7 +71,7 @@ static inline uint32_t NVReadCRTC(struct drm_device *dev,
static inline void NVWriteCRTC(struct drm_device *dev,
int head, uint32_t reg, uint32_t val)
{
struct nvif_device *device = &nouveau_drm(dev)->device;
struct nvif_object *device = &nouveau_drm(dev)->device.object;
if (head)
reg += NV_PCRTC0_SIZE;
nvif_wr32(device, reg, val);
Expand All @@ -80,7 +80,7 @@ static inline void NVWriteCRTC(struct drm_device *dev,
static inline uint32_t NVReadRAMDAC(struct drm_device *dev,
int head, uint32_t reg)
{
struct nvif_device *device = &nouveau_drm(dev)->device;
struct nvif_object *device = &nouveau_drm(dev)->device.object;
uint32_t val;
if (head)
reg += NV_PRAMDAC0_SIZE;
Expand All @@ -91,7 +91,7 @@ static inline uint32_t NVReadRAMDAC(struct drm_device *dev,
static inline void NVWriteRAMDAC(struct drm_device *dev,
int head, uint32_t reg, uint32_t val)
{
struct nvif_device *device = &nouveau_drm(dev)->device;
struct nvif_object *device = &nouveau_drm(dev)->device.object;
if (head)
reg += NV_PRAMDAC0_SIZE;
nvif_wr32(device, reg, val);
Expand Down Expand Up @@ -120,15 +120,15 @@ static inline void nv_write_tmds(struct drm_device *dev,
static inline void NVWriteVgaCrtc(struct drm_device *dev,
int head, uint8_t index, uint8_t value)
{
struct nvif_device *device = &nouveau_drm(dev)->device;
struct nvif_object *device = &nouveau_drm(dev)->device.object;
nvif_wr08(device, NV_PRMCIO_CRX__COLOR + head * NV_PRMCIO_SIZE, index);
nvif_wr08(device, NV_PRMCIO_CR__COLOR + head * NV_PRMCIO_SIZE, value);
}

static inline uint8_t NVReadVgaCrtc(struct drm_device *dev,
int head, uint8_t index)
{
struct nvif_device *device = &nouveau_drm(dev)->device;
struct nvif_object *device = &nouveau_drm(dev)->device.object;
uint8_t val;
nvif_wr08(device, NV_PRMCIO_CRX__COLOR + head * NV_PRMCIO_SIZE, index);
val = nvif_rd08(device, NV_PRMCIO_CR__COLOR + head * NV_PRMCIO_SIZE);
Expand Down Expand Up @@ -165,7 +165,7 @@ static inline uint8_t NVReadVgaCrtc5758(struct drm_device *dev, int head, uint8_
static inline uint8_t NVReadPRMVIO(struct drm_device *dev,
int head, uint32_t reg)
{
struct nvif_device *device = &nouveau_drm(dev)->device;
struct nvif_object *device = &nouveau_drm(dev)->device.object;
struct nouveau_drm *drm = nouveau_drm(dev);
uint8_t val;

Expand All @@ -181,7 +181,7 @@ static inline uint8_t NVReadPRMVIO(struct drm_device *dev,
static inline void NVWritePRMVIO(struct drm_device *dev,
int head, uint32_t reg, uint8_t value)
{
struct nvif_device *device = &nouveau_drm(dev)->device;
struct nvif_object *device = &nouveau_drm(dev)->device.object;
struct nouveau_drm *drm = nouveau_drm(dev);

/* Only NV4x have two pvio ranges; other twoHeads cards MUST call
Expand All @@ -194,22 +194,22 @@ static inline void NVWritePRMVIO(struct drm_device *dev,

static inline void NVSetEnablePalette(struct drm_device *dev, int head, bool enable)
{
struct nvif_device *device = &nouveau_drm(dev)->device;
struct nvif_object *device = &nouveau_drm(dev)->device.object;
nvif_rd08(device, NV_PRMCIO_INP0__COLOR + head * NV_PRMCIO_SIZE);
nvif_wr08(device, NV_PRMCIO_ARX + head * NV_PRMCIO_SIZE, enable ? 0 : 0x20);
}

static inline bool NVGetEnablePalette(struct drm_device *dev, int head)
{
struct nvif_device *device = &nouveau_drm(dev)->device;
struct nvif_object *device = &nouveau_drm(dev)->device.object;
nvif_rd08(device, NV_PRMCIO_INP0__COLOR + head * NV_PRMCIO_SIZE);
return !(nvif_rd08(device, NV_PRMCIO_ARX + head * NV_PRMCIO_SIZE) & 0x20);
}

static inline void NVWriteVgaAttr(struct drm_device *dev,
int head, uint8_t index, uint8_t value)
{
struct nvif_device *device = &nouveau_drm(dev)->device;
struct nvif_object *device = &nouveau_drm(dev)->device.object;
if (NVGetEnablePalette(dev, head))
index &= ~0x20;
else
Expand All @@ -223,7 +223,7 @@ static inline void NVWriteVgaAttr(struct drm_device *dev,
static inline uint8_t NVReadVgaAttr(struct drm_device *dev,
int head, uint8_t index)
{
struct nvif_device *device = &nouveau_drm(dev)->device;
struct nvif_object *device = &nouveau_drm(dev)->device.object;
uint8_t val;
if (NVGetEnablePalette(dev, head))
index &= ~0x20;
Expand Down Expand Up @@ -259,7 +259,7 @@ static inline void NVVgaProtect(struct drm_device *dev, int head, bool protect)
static inline bool
nv_heads_tied(struct drm_device *dev)
{
struct nvif_device *device = &nouveau_drm(dev)->device;
struct nvif_object *device = &nouveau_drm(dev)->device.object;
struct nouveau_drm *drm = nouveau_drm(dev);

if (drm->device.info.chipset == 0x11)
Expand Down
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