linux/drivers/gpu/drm/nouveau/nouveau_display.c

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/*
* Copyright (C) 2008 Maarten Maathuis.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial
* portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
#include <drm/drmP.h>
#include <drm/drm_crtc_helper.h>
#include "nouveau_fbcon.h"
#include "nouveau_hw.h"
#include "nouveau_crtc.h"
#include "nouveau_dma.h"
#include "nouveau_gem.h"
#include "nouveau_connector.h"
#include "nv50_display.h"
#include "nouveau_fence.h"
#include <subdev/bios/gpio.h>
#include <subdev/gpio.h>
#include <engine/disp.h>
static void
nouveau_user_framebuffer_destroy(struct drm_framebuffer *drm_fb)
{
struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
if (fb->nvbo)
drm_gem_object_unreference_unlocked(fb->nvbo->gem);
drm_framebuffer_cleanup(drm_fb);
kfree(fb);
}
static int
nouveau_user_framebuffer_create_handle(struct drm_framebuffer *drm_fb,
struct drm_file *file_priv,
unsigned int *handle)
{
struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
return drm_gem_handle_create(file_priv, fb->nvbo->gem, handle);
}
static const struct drm_framebuffer_funcs nouveau_framebuffer_funcs = {
.destroy = nouveau_user_framebuffer_destroy,
.create_handle = nouveau_user_framebuffer_create_handle,
};
int
nouveau_framebuffer_init(struct drm_device *dev,
struct nouveau_framebuffer *nv_fb,
struct drm_mode_fb_cmd2 *mode_cmd,
struct nouveau_bo *nvbo)
{
struct nouveau_drm *drm = nouveau_drm(dev);
struct drm_framebuffer *fb = &nv_fb->base;
int ret;
ret = drm_framebuffer_init(dev, fb, &nouveau_framebuffer_funcs);
if (ret) {
return ret;
}
drm_helper_mode_fill_fb_struct(fb, mode_cmd);
nv_fb->nvbo = nvbo;
if (nv_device(drm->device)->card_type >= NV_50) {
u32 tile_flags = nouveau_bo_tile_layout(nvbo);
if (tile_flags == 0x7a00 ||
tile_flags == 0xfe00)
nv_fb->r_dma = NvEvoFB32;
else
if (tile_flags == 0x7000)
nv_fb->r_dma = NvEvoFB16;
else
nv_fb->r_dma = NvEvoVRAM_LP;
switch (fb->depth) {
case 8: nv_fb->r_format = NV50_EVO_CRTC_FB_DEPTH_8; break;
case 15: nv_fb->r_format = NV50_EVO_CRTC_FB_DEPTH_15; break;
case 16: nv_fb->r_format = NV50_EVO_CRTC_FB_DEPTH_16; break;
case 24:
case 32: nv_fb->r_format = NV50_EVO_CRTC_FB_DEPTH_24; break;
case 30: nv_fb->r_format = NV50_EVO_CRTC_FB_DEPTH_30; break;
default:
NV_ERROR(drm, "unknown depth %d\n", fb->depth);
return -EINVAL;
}
if (nv_device(drm->device)->chipset == 0x50)
nv_fb->r_format |= (tile_flags << 8);
if (!tile_flags) {
if (nv_device(drm->device)->card_type < NV_D0)
nv_fb->r_pitch = 0x00100000 | fb->pitches[0];
else
nv_fb->r_pitch = 0x01000000 | fb->pitches[0];
} else {
u32 mode = nvbo->tile_mode;
if (nv_device(drm->device)->card_type >= NV_C0)
mode >>= 4;
nv_fb->r_pitch = ((fb->pitches[0] / 4) << 4) | mode;
}
}
return 0;
}
static struct drm_framebuffer *
nouveau_user_framebuffer_create(struct drm_device *dev,
struct drm_file *file_priv,
struct drm_mode_fb_cmd2 *mode_cmd)
{
struct nouveau_framebuffer *nouveau_fb;
struct drm_gem_object *gem;
int ret;
gem = drm_gem_object_lookup(dev, file_priv, mode_cmd->handles[0]);
if (!gem)
return ERR_PTR(-ENOENT);
nouveau_fb = kzalloc(sizeof(struct nouveau_framebuffer), GFP_KERNEL);
if (!nouveau_fb)
return ERR_PTR(-ENOMEM);
ret = nouveau_framebuffer_init(dev, nouveau_fb, mode_cmd, nouveau_gem_object(gem));
if (ret) {
drm_gem_object_unreference(gem);
return ERR_PTR(ret);
}
return &nouveau_fb->base;
}
static const struct drm_mode_config_funcs nouveau_mode_config_funcs = {
.fb_create = nouveau_user_framebuffer_create,
.output_poll_changed = nouveau_fbcon_output_poll_changed,
};
struct nouveau_drm_prop_enum_list {
u8 gen_mask;
int type;
char *name;
};
static struct nouveau_drm_prop_enum_list underscan[] = {
{ 6, UNDERSCAN_AUTO, "auto" },
{ 6, UNDERSCAN_OFF, "off" },
{ 6, UNDERSCAN_ON, "on" },
{}
};
static struct nouveau_drm_prop_enum_list dither_mode[] = {
{ 7, DITHERING_MODE_AUTO, "auto" },
{ 7, DITHERING_MODE_OFF, "off" },
{ 1, DITHERING_MODE_ON, "on" },
{ 6, DITHERING_MODE_STATIC2X2, "static 2x2" },
{ 6, DITHERING_MODE_DYNAMIC2X2, "dynamic 2x2" },
{ 4, DITHERING_MODE_TEMPORAL, "temporal" },
{}
};
static struct nouveau_drm_prop_enum_list dither_depth[] = {
{ 6, DITHERING_DEPTH_AUTO, "auto" },
{ 6, DITHERING_DEPTH_6BPC, "6 bpc" },
{ 6, DITHERING_DEPTH_8BPC, "8 bpc" },
{}
};
#define PROP_ENUM(p,gen,n,list) do { \
struct nouveau_drm_prop_enum_list *l = (list); \
int c = 0; \
while (l->gen_mask) { \
if (l->gen_mask & (1 << (gen))) \
c++; \
l++; \
} \
if (c) { \
p = drm_property_create(dev, DRM_MODE_PROP_ENUM, n, c); \
l = (list); \
c = 0; \
while (p && l->gen_mask) { \
if (l->gen_mask & (1 << (gen))) { \
drm_property_add_enum(p, c, l->type, l->name); \
c++; \
} \
l++; \
} \
} \
} while(0)
int
nouveau_display_init(struct drm_device *dev)
{
struct nouveau_drm *drm = nouveau_drm(dev);
struct nouveau_display *disp = nouveau_display(dev);
struct nouveau_gpio *gpio = nouveau_gpio(drm->device);
struct drm_connector *connector;
int ret;
ret = disp->init(dev);
if (ret)
return ret;
/* power on internal panel if it's not already. the init tables of
* some vbios default this to off for some reason, causing the
* panel to not work after resume
*/
if (gpio && gpio->get(gpio, 0, DCB_GPIO_PANEL_POWER, 0xff) == 0) {
gpio->set(gpio, 0, DCB_GPIO_PANEL_POWER, 0xff, 1);
msleep(300);
}
/* enable polling for external displays */
drm_kms_helper_poll_enable(dev);
/* enable hotplug interrupts */
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
struct nouveau_connector *conn = nouveau_connector(connector);
if (gpio)
gpio->irq(gpio, 0, conn->hpd, 0xff, true);
}
return ret;
}
void
nouveau_display_fini(struct drm_device *dev)
{
struct nouveau_drm *drm = nouveau_drm(dev);
struct nouveau_display *disp = nouveau_display(dev);
struct nouveau_gpio *gpio = nouveau_gpio(drm->device);
struct drm_connector *connector;
/* disable hotplug interrupts */
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
struct nouveau_connector *conn = nouveau_connector(connector);
if (gpio)
gpio->irq(gpio, 0, conn->hpd, 0xff, false);
}
drm_kms_helper_poll_disable(dev);
disp->fini(dev);
}
static void
nouveau_display_vblank_notify(void *data, int crtc)
{
drm_handle_vblank(data, crtc);
}
static void
nouveau_display_vblank_get(void *data, int crtc)
{
drm_vblank_get(data, crtc);
}
static void
nouveau_display_vblank_put(void *data, int crtc)
{
drm_vblank_put(data, crtc);
}
int
nouveau_display_create(struct drm_device *dev)
{
struct nouveau_drm *drm = nouveau_drm(dev);
struct nouveau_disp *pdisp = nouveau_disp(drm->device);
struct nouveau_display *disp;
u32 pclass = dev->pdev->class >> 8;
int ret, gen;
disp = drm->display = kzalloc(sizeof(*disp), GFP_KERNEL);
if (!disp)
return -ENOMEM;
pdisp->vblank.data = dev;
pdisp->vblank.notify = nouveau_display_vblank_notify;
pdisp->vblank.get = nouveau_display_vblank_get;
pdisp->vblank.put = nouveau_display_vblank_put;
drm_mode_config_init(dev);
drm_mode_create_scaling_mode_property(dev);
drm_mode_create_dvi_i_properties(dev);
if (nv_device(drm->device)->card_type < NV_50)
gen = 0;
else
if (nv_device(drm->device)->card_type < NV_D0)
gen = 1;
else
gen = 2;
PROP_ENUM(disp->dithering_mode, gen, "dithering mode", dither_mode);
PROP_ENUM(disp->dithering_depth, gen, "dithering depth", dither_depth);
PROP_ENUM(disp->underscan_property, gen, "underscan", underscan);
disp->underscan_hborder_property =
drm_property_create_range(dev, 0, "underscan hborder", 0, 128);
disp->underscan_vborder_property =
drm_property_create_range(dev, 0, "underscan vborder", 0, 128);
if (gen == 1) {
disp->vibrant_hue_property =
drm_property_create(dev, DRM_MODE_PROP_RANGE,
"vibrant hue", 2);
disp->vibrant_hue_property->values[0] = 0;
disp->vibrant_hue_property->values[1] = 180; /* -90..+90 */
disp->color_vibrance_property =
drm_property_create(dev, DRM_MODE_PROP_RANGE,
"color vibrance", 2);
disp->color_vibrance_property->values[0] = 0;
disp->color_vibrance_property->values[1] = 200; /* -100..+100 */
}
dev->mode_config.funcs = &nouveau_mode_config_funcs;
dev->mode_config.fb_base = pci_resource_start(dev->pdev, 1);
dev->mode_config.min_width = 0;
dev->mode_config.min_height = 0;
if (nv_device(drm->device)->card_type < NV_10) {
dev->mode_config.max_width = 2048;
dev->mode_config.max_height = 2048;
} else
if (nv_device(drm->device)->card_type < NV_50) {
dev->mode_config.max_width = 4096;
dev->mode_config.max_height = 4096;
} else {
dev->mode_config.max_width = 8192;
dev->mode_config.max_height = 8192;
}
dev->mode_config.preferred_depth = 24;
dev->mode_config.prefer_shadow = 1;
drm_kms_helper_poll_init(dev);
drm_kms_helper_poll_disable(dev);
if (nouveau_modeset == 1 ||
(nouveau_modeset < 0 && pclass == PCI_CLASS_DISPLAY_VGA)) {
if (nv_device(drm->device)->card_type < NV_50)
ret = nv04_display_create(dev);
else
if (nv_device(drm->device)->card_type < NV_D0)
ret = nv50_display_create(dev);
else
ret = nvd0_display_create(dev);
if (ret)
goto disp_create_err;
if (dev->mode_config.num_crtc) {
ret = drm_vblank_init(dev, dev->mode_config.num_crtc);
if (ret)
goto vblank_err;
}
nouveau_backlight_init(dev);
}
return 0;
vblank_err:
disp->dtor(dev);
disp_create_err:
drm_kms_helper_poll_fini(dev);
drm_mode_config_cleanup(dev);
return ret;
}
void
nouveau_display_destroy(struct drm_device *dev)
{
struct nouveau_display *disp = nouveau_display(dev);
nouveau_backlight_exit(dev);
drm_vblank_cleanup(dev);
drm_kms_helper_poll_fini(dev);
drm_mode_config_cleanup(dev);
if (disp->dtor)
disp->dtor(dev);
nouveau_drm(dev)->display = NULL;
kfree(disp);
}
int
nouveau_display_suspend(struct drm_device *dev)
{
struct nouveau_drm *drm = nouveau_drm(dev);
struct drm_crtc *crtc;
nouveau_display_fini(dev);
NV_INFO(drm, "unpinning framebuffer(s)...\n");
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
struct nouveau_framebuffer *nouveau_fb;
nouveau_fb = nouveau_framebuffer(crtc->fb);
if (!nouveau_fb || !nouveau_fb->nvbo)
continue;
nouveau_bo_unpin(nouveau_fb->nvbo);
}
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
nouveau_bo_unmap(nv_crtc->cursor.nvbo);
nouveau_bo_unpin(nv_crtc->cursor.nvbo);
}
return 0;
}
void
nouveau_display_resume(struct drm_device *dev)
{
struct nouveau_drm *drm = nouveau_drm(dev);
struct drm_crtc *crtc;
int ret;
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
struct nouveau_framebuffer *nouveau_fb;
nouveau_fb = nouveau_framebuffer(crtc->fb);
if (!nouveau_fb || !nouveau_fb->nvbo)
continue;
nouveau_bo_pin(nouveau_fb->nvbo, TTM_PL_FLAG_VRAM);
}
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
ret = nouveau_bo_pin(nv_crtc->cursor.nvbo, TTM_PL_FLAG_VRAM);
if (!ret)
ret = nouveau_bo_map(nv_crtc->cursor.nvbo);
if (ret)
NV_ERROR(drm, "Could not pin/map cursor.\n");
}
nouveau_fbcon_set_suspend(dev, 0);
nouveau_fbcon_zfill_all(dev);
nouveau_display_init(dev);
/* Force CLUT to get re-loaded during modeset */
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
nv_crtc->lut.depth = 0;
}
drm_helper_resume_force_mode(dev);
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
u32 offset = nv_crtc->cursor.nvbo->bo.offset;
nv_crtc->cursor.set_offset(nv_crtc, offset);
nv_crtc->cursor.set_pos(nv_crtc, nv_crtc->cursor_saved_x,
nv_crtc->cursor_saved_y);
}
}
int
nouveau_vblank_enable(struct drm_device *dev, int crtc)
{
struct nouveau_device *device = nouveau_dev(dev);
if (device->card_type >= NV_D0)
nv_mask(device, 0x6100c0 + (crtc * 0x800), 1, 1);
else
if (device->card_type >= NV_50)
nv_mask(device, NV50_PDISPLAY_INTR_EN_1, 0,
NV50_PDISPLAY_INTR_EN_1_VBLANK_CRTC_(crtc));
else
NVWriteCRTC(dev, crtc, NV_PCRTC_INTR_EN_0,
NV_PCRTC_INTR_0_VBLANK);
return 0;
}
void
nouveau_vblank_disable(struct drm_device *dev, int crtc)
{
struct nouveau_device *device = nouveau_dev(dev);
if (device->card_type >= NV_D0)
nv_mask(device, 0x6100c0 + (crtc * 0x800), 1, 0);
else
if (device->card_type >= NV_50)
nv_mask(device, NV50_PDISPLAY_INTR_EN_1,
NV50_PDISPLAY_INTR_EN_1_VBLANK_CRTC_(crtc), 0);
else
NVWriteCRTC(dev, crtc, NV_PCRTC_INTR_EN_0, 0);
}
static int
nouveau_page_flip_reserve(struct nouveau_bo *old_bo,
struct nouveau_bo *new_bo)
{
int ret;
ret = nouveau_bo_pin(new_bo, TTM_PL_FLAG_VRAM);
if (ret)
return ret;
ret = ttm_bo_reserve(&new_bo->bo, false, false, false, 0);
if (ret)
goto fail;
if (likely(old_bo != new_bo)) {
ret = ttm_bo_reserve(&old_bo->bo, false, false, false, 0);
if (ret)
goto fail_unreserve;
}
return 0;
fail_unreserve:
ttm_bo_unreserve(&new_bo->bo);
fail:
nouveau_bo_unpin(new_bo);
return ret;
}
static void
nouveau_page_flip_unreserve(struct nouveau_bo *old_bo,
struct nouveau_bo *new_bo,
struct nouveau_fence *fence)
{
nouveau_bo_fence(new_bo, fence);
ttm_bo_unreserve(&new_bo->bo);
if (likely(old_bo != new_bo)) {
nouveau_bo_fence(old_bo, fence);
ttm_bo_unreserve(&old_bo->bo);
}
nouveau_bo_unpin(old_bo);
}
static int
nouveau_page_flip_emit(struct nouveau_channel *chan,
struct nouveau_bo *old_bo,
struct nouveau_bo *new_bo,
struct nouveau_page_flip_state *s,
struct nouveau_fence **pfence)
{
struct nouveau_fence_chan *fctx = chan->fence;
struct nouveau_drm *drm = chan->drm;
struct drm_device *dev = drm->dev;
unsigned long flags;
int ret;
/* Queue it to the pending list */
spin_lock_irqsave(&dev->event_lock, flags);
list_add_tail(&s->head, &fctx->flip);
spin_unlock_irqrestore(&dev->event_lock, flags);
/* Synchronize with the old framebuffer */
ret = nouveau_fence_sync(old_bo->bo.sync_obj, chan);
if (ret)
goto fail;
/* Emit the pageflip */
ret = RING_SPACE(chan, 3);
if (ret)
goto fail;
if (nv_device(drm->device)->card_type < NV_C0) {
BEGIN_NV04(chan, NvSubSw, NV_SW_PAGE_FLIP, 1);
OUT_RING (chan, 0x00000000);
OUT_RING (chan, 0x00000000);
} else {
BEGIN_NVC0(chan, 0, NV10_SUBCHAN_REF_CNT, 1);
OUT_RING (chan, 0);
BEGIN_IMC0(chan, 0, NVSW_SUBCHAN_PAGE_FLIP, 0x0000);
}
FIRE_RING (chan);
ret = nouveau_fence_new(chan, pfence);
if (ret)
goto fail;
return 0;
fail:
spin_lock_irqsave(&dev->event_lock, flags);
list_del(&s->head);
spin_unlock_irqrestore(&dev->event_lock, flags);
return ret;
}
int
nouveau_crtc_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb,
struct drm_pending_vblank_event *event)
{
struct drm_device *dev = crtc->dev;
struct nouveau_drm *drm = nouveau_drm(dev);
struct nouveau_bo *old_bo = nouveau_framebuffer(crtc->fb)->nvbo;
struct nouveau_bo *new_bo = nouveau_framebuffer(fb)->nvbo;
struct nouveau_page_flip_state *s;
struct nouveau_channel *chan = NULL;
struct nouveau_fence *fence;
int ret;
if (!drm->channel)
return -ENODEV;
s = kzalloc(sizeof(*s), GFP_KERNEL);
if (!s)
return -ENOMEM;
/* Don't let the buffers go away while we flip */
ret = nouveau_page_flip_reserve(old_bo, new_bo);
if (ret)
goto fail_free;
/* Initialize a page flip struct */
*s = (struct nouveau_page_flip_state)
{ { }, event, nouveau_crtc(crtc)->index,
fb->bits_per_pixel, fb->pitches[0], crtc->x, crtc->y,
new_bo->bo.offset };
/* Choose the channel the flip will be handled in */
fence = new_bo->bo.sync_obj;
if (fence)
chan = fence->channel;
if (!chan)
chan = drm->channel;
mutex_lock(&chan->cli->mutex);
/* Emit a page flip */
if (nv_device(drm->device)->card_type >= NV_50) {
if (nv_device(drm->device)->card_type >= NV_D0)
ret = nvd0_display_flip_next(crtc, fb, chan, 0);
else
ret = nv50_display_flip_next(crtc, fb, chan);
if (ret) {
mutex_unlock(&chan->cli->mutex);
goto fail_unreserve;
}
}
ret = nouveau_page_flip_emit(chan, old_bo, new_bo, s, &fence);
mutex_unlock(&chan->cli->mutex);
if (ret)
goto fail_unreserve;
/* Update the crtc struct and cleanup */
crtc->fb = fb;
nouveau_page_flip_unreserve(old_bo, new_bo, fence);
nouveau_fence_unref(&fence);
return 0;
fail_unreserve:
nouveau_page_flip_unreserve(old_bo, new_bo, NULL);
fail_free:
kfree(s);
return ret;
}
int
nouveau_finish_page_flip(struct nouveau_channel *chan,
struct nouveau_page_flip_state *ps)
{
struct nouveau_fence_chan *fctx = chan->fence;
struct nouveau_drm *drm = chan->drm;
struct drm_device *dev = drm->dev;
struct nouveau_page_flip_state *s;
unsigned long flags;
spin_lock_irqsave(&dev->event_lock, flags);
if (list_empty(&fctx->flip)) {
NV_ERROR(drm, "unexpected pageflip\n");
spin_unlock_irqrestore(&dev->event_lock, flags);
return -EINVAL;
}
s = list_first_entry(&fctx->flip, struct nouveau_page_flip_state, head);
if (s->event) {
struct drm_pending_vblank_event *e = s->event;
struct timeval now;
do_gettimeofday(&now);
e->event.sequence = 0;
e->event.tv_sec = now.tv_sec;
e->event.tv_usec = now.tv_usec;
list_add_tail(&e->base.link, &e->base.file_priv->event_list);
wake_up_interruptible(&e->base.file_priv->event_wait);
}
list_del(&s->head);
if (ps)
*ps = *s;
kfree(s);
spin_unlock_irqrestore(&dev->event_lock, flags);
return 0;
}
int
nouveau_flip_complete(void *data)
{
struct nouveau_channel *chan = data;
struct nouveau_drm *drm = chan->drm;
struct nouveau_page_flip_state state;
if (!nouveau_finish_page_flip(chan, &state)) {
if (nv_device(drm->device)->card_type < NV_50) {
nv_set_crtc_base(drm->dev, state.crtc, state.offset +
state.y * state.pitch +
state.x * state.bpp / 8);
}
}
return 0;
}
int
nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev,
struct drm_mode_create_dumb *args)
{
struct nouveau_bo *bo;
int ret;
args->pitch = roundup(args->width * (args->bpp / 8), 256);
args->size = args->pitch * args->height;
args->size = roundup(args->size, PAGE_SIZE);
ret = nouveau_gem_new(dev, args->size, 0, NOUVEAU_GEM_DOMAIN_VRAM, 0, 0, &bo);
if (ret)
return ret;
ret = drm_gem_handle_create(file_priv, bo->gem, &args->handle);
drm_gem_object_unreference_unlocked(bo->gem);
return ret;
}
int
nouveau_display_dumb_destroy(struct drm_file *file_priv, struct drm_device *dev,
uint32_t handle)
{
return drm_gem_handle_delete(file_priv, handle);
}
int
nouveau_display_dumb_map_offset(struct drm_file *file_priv,
struct drm_device *dev,
uint32_t handle, uint64_t *poffset)
{
struct drm_gem_object *gem;
gem = drm_gem_object_lookup(dev, file_priv, handle);
if (gem) {
struct nouveau_bo *bo = gem->driver_private;
*poffset = bo->bo.addr_space_offset;
drm_gem_object_unreference_unlocked(gem);
return 0;
}
return -ENOENT;
}