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OpenCloudOS-Kernel/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 <nvif/class.h>
#include "nouveau_fbcon.h"
#include "dispnv04/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 <nvif/event.h>
static int
nouveau_display_vblank_handler(struct nvif_notify *notify)
{
struct nouveau_crtc *nv_crtc =
container_of(notify, typeof(*nv_crtc), vblank);
drm_handle_vblank(nv_crtc->base.dev, nv_crtc->index);
return NVIF_NOTIFY_KEEP;
}
int
nouveau_display_vblank_enable(struct drm_device *dev, int head)
{
struct drm_crtc *crtc;
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
if (nv_crtc->index == head) {
nvif_notify_get(&nv_crtc->vblank);
return 0;
}
}
return -EINVAL;
}
void
nouveau_display_vblank_disable(struct drm_device *dev, int head)
{
struct drm_crtc *crtc;
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
if (nv_crtc->index == head) {
nvif_notify_put(&nv_crtc->vblank);
return;
}
}
}
static inline int
calc(int blanks, int blanke, int total, int line)
{
if (blanke >= blanks) {
if (line >= blanks)
line -= total;
} else {
if (line >= blanks)
line -= total;
line -= blanke + 1;
}
return line;
}
int
nouveau_display_scanoutpos_head(struct drm_crtc *crtc, int *vpos, int *hpos,
ktime_t *stime, ktime_t *etime)
{
struct {
struct nv04_disp_mthd_v0 base;
struct nv04_disp_scanoutpos_v0 scan;
} args = {
.base.method = NV04_DISP_SCANOUTPOS,
.base.head = nouveau_crtc(crtc)->index,
};
struct nouveau_display *disp = nouveau_display(crtc->dev);
int ret, retry = 1;
do {
ret = nvif_mthd(&disp->disp, 0, &args, sizeof(args));
if (ret != 0)
return 0;
if (args.scan.vline) {
ret |= DRM_SCANOUTPOS_ACCURATE;
ret |= DRM_SCANOUTPOS_VALID;
break;
}
if (retry) ndelay(crtc->linedur_ns);
} while (retry--);
*hpos = args.scan.hline;
*vpos = calc(args.scan.vblanks, args.scan.vblanke,
args.scan.vtotal, args.scan.vline);
if (stime) *stime = ns_to_ktime(args.scan.time[0]);
if (etime) *etime = ns_to_ktime(args.scan.time[1]);
if (*vpos < 0)
ret |= DRM_SCANOUTPOS_INVBL;
return ret;
}
int
nouveau_display_scanoutpos(struct drm_device *dev, int head, unsigned int flags,
int *vpos, int *hpos, ktime_t *stime, ktime_t *etime)
{
struct drm_crtc *crtc;
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
if (nouveau_crtc(crtc)->index == head) {
return nouveau_display_scanoutpos_head(crtc, vpos, hpos,
stime, etime);
}
}
return 0;
}
int
nouveau_display_vblstamp(struct drm_device *dev, int head, int *max_error,
struct timeval *time, unsigned flags)
{
struct drm_crtc *crtc;
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
if (nouveau_crtc(crtc)->index == head) {
return drm_calc_vbltimestamp_from_scanoutpos(dev,
head, max_error, time, flags, crtc,
&crtc->hwmode);
}
}
return -EINVAL;
}
static void
nouveau_display_vblank_fini(struct drm_device *dev)
{
struct drm_crtc *crtc;
drm_vblank_cleanup(dev);
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
nvif_notify_fini(&nv_crtc->vblank);
}
}
static int
nouveau_display_vblank_init(struct drm_device *dev)
{
struct nouveau_display *disp = nouveau_display(dev);
struct drm_crtc *crtc;
int ret;
list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc);
ret = nvif_notify_init(&disp->disp, NULL,
nouveau_display_vblank_handler, false,
NV04_DISP_NTFY_VBLANK,
&(struct nvif_notify_head_req_v0) {
.head = nv_crtc->index,
},
sizeof(struct nvif_notify_head_req_v0),
sizeof(struct nvif_notify_head_rep_v0),
&nv_crtc->vblank);
if (ret) {
nouveau_display_vblank_fini(dev);
return ret;
}
}
ret = drm_vblank_init(dev, dev->mode_config.num_crtc);
if (ret) {
nouveau_display_vblank_fini(dev);
return ret;
}
return 0;
}
static void
nouveau_user_framebuffer_destroy(struct drm_framebuffer *drm_fb)
{
struct nouveau_framebuffer *fb = nouveau_framebuffer(drm_fb);
struct nouveau_display *disp = nouveau_display(drm_fb->dev);
if (disp->fb_dtor)
disp->fb_dtor(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_display *disp = nouveau_display(dev);
struct drm_framebuffer *fb = &nv_fb->base;
int ret;
drm_helper_mode_fill_fb_struct(fb, mode_cmd);
nv_fb->nvbo = nvbo;
ret = drm_framebuffer_init(dev, fb, &nouveau_framebuffer_funcs);
if (ret)
return ret;
if (disp->fb_ctor) {
ret = disp->fb_ctor(fb);
if (ret)
disp->fb_dtor(fb);
}
return ret;
}
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 = -ENOMEM;
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)
goto err_unref;
ret = nouveau_framebuffer_init(dev, nouveau_fb, mode_cmd, nouveau_gem_object(gem));
if (ret)
goto err;
return &nouveau_fb->base;
err:
kfree(nouveau_fb);
err_unref:
drm_gem_object_unreference(gem);
return ERR_PTR(ret);
}
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_display *disp = nouveau_display(dev);
struct drm_connector *connector;
int ret;
ret = disp->init(dev);
if (ret)
return ret;
/* 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);
nvif_notify_get(&conn->hpd);
}
return ret;
}
void
nouveau_display_fini(struct drm_device *dev)
{
struct nouveau_display *disp = nouveau_display(dev);
struct drm_connector *connector;
int head;
/* Make sure that drm and hw vblank irqs get properly disabled. */
for (head = 0; head < dev->mode_config.num_crtc; head++)
drm_vblank_off(dev, head);
/* disable hotplug interrupts */
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
struct nouveau_connector *conn = nouveau_connector(connector);
nvif_notify_put(&conn->hpd);
}
drm_kms_helper_poll_disable(dev);
disp->fini(dev);
}
static void
nouveau_display_create_properties(struct drm_device *dev)
{
struct nouveau_display *disp = nouveau_display(dev);
int gen;
if (disp->disp.oclass < NV50_DISP)
gen = 0;
else
if (disp->disp.oclass < GF110_DISP)
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)
return;
/* -90..+90 */
disp->vibrant_hue_property =
drm_property_create_range(dev, 0, "vibrant hue", 0, 180);
/* -100..+100 */
disp->color_vibrance_property =
drm_property_create_range(dev, 0, "color vibrance", 0, 200);
}
int
nouveau_display_create(struct drm_device *dev)
{
struct nouveau_drm *drm = nouveau_drm(dev);
struct nouveau_display *disp;
int ret;
disp = drm->display = kzalloc(sizeof(*disp), GFP_KERNEL);
if (!disp)
return -ENOMEM;
drm_mode_config_init(dev);
drm_mode_create_scaling_mode_property(dev);
drm_mode_create_dvi_i_properties(dev);
dev->mode_config.funcs = &nouveau_mode_config_funcs;
dev->mode_config.fb_base = nv_device_resource_start(nvkm_device(&drm->device), 1);
dev->mode_config.min_width = 0;
dev->mode_config.min_height = 0;
if (drm->device.info.family < NV_DEVICE_INFO_V0_CELSIUS) {
dev->mode_config.max_width = 2048;
dev->mode_config.max_height = 2048;
} else
if (drm->device.info.family < NV_DEVICE_INFO_V0_TESLA) {
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;
if (drm->device.info.chipset < 0x11)
dev->mode_config.async_page_flip = false;
else
dev->mode_config.async_page_flip = true;
drm_kms_helper_poll_init(dev);
drm_kms_helper_poll_disable(dev);
if (drm->vbios.dcb.entries) {
static const u16 oclass[] = {
GM107_DISP,
GK110_DISP,
GK104_DISP,
GF110_DISP,
GT214_DISP,
GT206_DISP,
GT200_DISP,
G82_DISP,
NV50_DISP,
NV04_DISP,
};
int i;
for (i = 0, ret = -ENODEV; ret && i < ARRAY_SIZE(oclass); i++) {
ret = nvif_object_init(nvif_object(&drm->device), NULL,
NVDRM_DISPLAY, oclass[i],
NULL, 0, &disp->disp);
}
if (ret == 0) {
nouveau_display_create_properties(dev);
if (disp->disp.oclass < NV50_DISP)
ret = nv04_display_create(dev);
else
ret = nv50_display_create(dev);
}
} else {
ret = 0;
}
if (ret)
goto disp_create_err;
if (dev->mode_config.num_crtc) {
ret = nouveau_display_vblank_init(dev);
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);
nouveau_display_vblank_fini(dev);
drm_kms_helper_poll_fini(dev);
drm_mode_config_cleanup(dev);
if (disp->dtor)
disp->dtor(dev);
nvif_object_fini(&disp->disp);
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->primary->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_repin(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->primary->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");
}
}
void
nouveau_display_resume(struct drm_device *dev)
{
struct drm_crtc *crtc;
int head;
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;
}
/* Make sure that drm and hw vblank irqs get resumed if needed. */
for (head = 0; head < dev->mode_config.num_crtc; head++)
drm_vblank_on(dev, head);
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);
}
}
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, 2);
if (ret)
goto fail;
if (drm->device.info.family < NV_DEVICE_INFO_V0_FERMI)
BEGIN_NV04(chan, NvSubSw, NV_SW_PAGE_FLIP, 1);
else
BEGIN_NVC0(chan, FermiSw, NV_SW_PAGE_FLIP, 1);
OUT_RING (chan, 0x00000000);
FIRE_RING (chan);
ret = nouveau_fence_new(chan, false, 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, u32 flags)
{
const int swap_interval = (flags & DRM_MODE_PAGE_FLIP_ASYNC) ? 0 : 1;
struct drm_device *dev = crtc->dev;
struct nouveau_drm *drm = nouveau_drm(dev);
struct nouveau_bo *old_bo = nouveau_framebuffer(crtc->primary->fb)->nvbo;
struct nouveau_bo *new_bo = nouveau_framebuffer(fb)->nvbo;
struct nouveau_page_flip_state *s;
struct nouveau_channel *chan;
struct nouveau_cli *cli;
struct nouveau_fence *fence;
int ret;
chan = drm->channel;
if (!chan)
return -ENODEV;
cli = (void *)nvif_client(&chan->device->base);
s = kzalloc(sizeof(*s), GFP_KERNEL);
if (!s)
return -ENOMEM;
if (new_bo != old_bo) {
ret = nouveau_bo_pin(new_bo, TTM_PL_FLAG_VRAM);
if (ret)
goto fail_free;
}
mutex_lock(&cli->mutex);
/* synchronise rendering channel with the kernel's channel */
spin_lock(&new_bo->bo.bdev->fence_lock);
fence = nouveau_fence_ref(new_bo->bo.sync_obj);
spin_unlock(&new_bo->bo.bdev->fence_lock);
ret = nouveau_fence_sync(fence, chan);
nouveau_fence_unref(&fence);
if (ret)
goto fail_unpin;
ret = ttm_bo_reserve(&old_bo->bo, true, false, false, NULL);
if (ret)
goto fail_unpin;
/* 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 };
/* Keep vblanks on during flip, for the target crtc of this flip */
drm_vblank_get(dev, nouveau_crtc(crtc)->index);
/* Emit a page flip */
if (drm->device.info.family >= NV_DEVICE_INFO_V0_TESLA) {
ret = nv50_display_flip_next(crtc, fb, chan, swap_interval);
if (ret)
goto fail_unreserve;
} else {
struct nv04_display *dispnv04 = nv04_display(dev);
int head = nouveau_crtc(crtc)->index;
if (swap_interval) {
ret = RING_SPACE(chan, 8);
if (ret)
goto fail_unreserve;
BEGIN_NV04(chan, NvSubImageBlit, 0x012c, 1);
OUT_RING (chan, 0);
BEGIN_NV04(chan, NvSubImageBlit, 0x0134, 1);
OUT_RING (chan, head);
BEGIN_NV04(chan, NvSubImageBlit, 0x0100, 1);
OUT_RING (chan, 0);
BEGIN_NV04(chan, NvSubImageBlit, 0x0130, 1);
OUT_RING (chan, 0);
}
nouveau_bo_ref(new_bo, &dispnv04->image[head]);
}
ret = nouveau_page_flip_emit(chan, old_bo, new_bo, s, &fence);
if (ret)
goto fail_unreserve;
mutex_unlock(&cli->mutex);
/* Update the crtc struct and cleanup */
crtc->primary->fb = fb;
nouveau_bo_fence(old_bo, fence);
ttm_bo_unreserve(&old_bo->bo);
if (old_bo != new_bo)
nouveau_bo_unpin(old_bo);
nouveau_fence_unref(&fence);
return 0;
fail_unreserve:
drm_vblank_put(dev, nouveau_crtc(crtc)->index);
ttm_bo_unreserve(&old_bo->bo);
fail_unpin:
mutex_unlock(&cli->mutex);
if (old_bo != new_bo)
nouveau_bo_unpin(new_bo);
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;
int crtcid = -1;
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) {
/* Vblank timestamps/counts are only correct on >= NV-50 */
if (drm->device.info.family >= NV_DEVICE_INFO_V0_TESLA)
crtcid = s->crtc;
drm_send_vblank_event(dev, crtcid, s->event);
}
/* Give up ownership of vblank for page-flipped crtc */
drm_vblank_put(dev, s->crtc);
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 (drm->device.info.family < NV_DEVICE_INFO_V0_TESLA) {
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_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 = nouveau_gem_object(gem);
*poffset = drm_vma_node_offset_addr(&bo->bo.vma_node);
drm_gem_object_unreference_unlocked(gem);
return 0;
}
return -ENOENT;
}
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