- 根目录:
- drivers
- gpu
- drm
- qxl
- qxl_display.c
/*
* Copyright 2013 Red Hat Inc.
*
* 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 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 HOLDER(S) OR AUTHOR(S) 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.
*
* Authors: Dave Airlie
* Alon Levy
*/
#include <linux/crc32.h>
#include "qxl_drv.h"
#include "qxl_object.h"
#include "drm_crtc_helper.h"
static bool qxl_head_enabled(struct qxl_head *head)
{
return head->width && head->height;
}
void qxl_alloc_client_monitors_config(struct qxl_device *qdev, unsigned count)
{
if (qdev->client_monitors_config &&
count > qdev->client_monitors_config->count) {
kfree(qdev->client_monitors_config);
qdev->client_monitors_config = NULL;
}
if (!qdev->client_monitors_config) {
qdev->client_monitors_config = kzalloc(
sizeof(struct qxl_monitors_config) +
sizeof(struct qxl_head) * count, GFP_KERNEL);
if (!qdev->client_monitors_config) {
qxl_io_log(qdev,
"%s: allocation failure for %u heads\n",
__func__, count);
return;
}
}
qdev->client_monitors_config->count = count;
}
static int qxl_display_copy_rom_client_monitors_config(struct qxl_device *qdev)
{
int i;
int num_monitors;
uint32_t crc;
num_monitors = qdev->rom->client_monitors_config.count;
crc = crc32(0, (const uint8_t *)&qdev->rom->client_monitors_config,
sizeof(qdev->rom->client_monitors_config));
if (crc != qdev->rom->client_monitors_config_crc) {
qxl_io_log(qdev, "crc mismatch: have %X (%d) != %X\n", crc,
sizeof(qdev->rom->client_monitors_config),
qdev->rom->client_monitors_config_crc);
return 1;
}
if (num_monitors > qdev->monitors_config->max_allowed) {
DRM_DEBUG_KMS("client monitors list will be truncated: %d < %d\n",
qdev->monitors_config->max_allowed, num_monitors);
num_monitors = qdev->monitors_config->max_allowed;
} else {
num_monitors = qdev->rom->client_monitors_config.count;
}
qxl_alloc_client_monitors_config(qdev, num_monitors);
/* we copy max from the client but it isn't used */
qdev->client_monitors_config->max_allowed =
qdev->monitors_config->max_allowed;
for (i = 0 ; i < qdev->client_monitors_config->count ; ++i) {
struct qxl_urect *c_rect =
&qdev->rom->client_monitors_config.heads[i];
struct qxl_head *client_head =
&qdev->client_monitors_config->heads[i];
client_head->x = c_rect->left;
client_head->y = c_rect->top;
client_head->width = c_rect->right - c_rect->left;
client_head->height = c_rect->bottom - c_rect->top;
client_head->surface_id = 0;
client_head->id = i;
client_head->flags = 0;
DRM_DEBUG_KMS("read %dx%d+%d+%d\n", client_head->width, client_head->height,
client_head->x, client_head->y);
}
return 0;
}
void qxl_display_read_client_monitors_config(struct qxl_device *qdev)
{
while (qxl_display_copy_rom_client_monitors_config(qdev)) {
qxl_io_log(qdev, "failed crc check for client_monitors_config,"
" retrying\n");
}
if (!drm_helper_hpd_irq_event(qdev->ddev)) {
/* notify that the monitor configuration changed, to
adjust at the arbitrary resolution */
drm_kms_helper_hotplug_event(qdev->ddev);
}
}
static int qxl_add_monitors_config_modes(struct drm_connector *connector,
unsigned *pwidth,
unsigned *pheight)
{
struct drm_device *dev = connector->dev;
struct qxl_device *qdev = dev->dev_private;
struct qxl_output *output = drm_connector_to_qxl_output(connector);
int h = output->index;
struct drm_display_mode *mode = NULL;
struct qxl_head *head;
if (!qdev->client_monitors_config)
return 0;
head = &qdev->client_monitors_config->heads[h];
mode = drm_cvt_mode(dev, head->width, head->height, 60, false, false,
false);
mode->type |= DRM_MODE_TYPE_PREFERRED;
*pwidth = head->width;
*pheight = head->height;
drm_mode_probed_add(connector, mode);
return 1;
}
static int qxl_add_common_modes(struct drm_connector *connector,
unsigned pwidth,
unsigned pheight)
{
struct drm_device *dev = connector->dev;
struct drm_display_mode *mode = NULL;
int i;
struct mode_size {
int w;
int h;
} common_modes[] = {
{ 640, 480},
{ 720, 480},
{ 800, 600},
{ 848, 480},
{1024, 768},
{1152, 768},
{1280, 720},
{1280, 800},
{1280, 854},
{1280, 960},
{1280, 1024},
{1440, 900},
{1400, 1050},
{1680, 1050},
{1600, 1200},
{1920, 1080},
{1920, 1200}
};
for (i = 0; i < ARRAY_SIZE(common_modes); i++) {
mode = drm_cvt_mode(dev, common_modes[i].w, common_modes[i].h,
60, false, false, false);
if (common_modes[i].w == pwidth && common_modes[i].h == pheight)
mode->type |= DRM_MODE_TYPE_PREFERRED;
drm_mode_probed_add(connector, mode);
}
return i - 1;
}
static void qxl_crtc_destroy(struct drm_crtc *crtc)
{
struct qxl_crtc *qxl_crtc = to_qxl_crtc(crtc);
drm_crtc_cleanup(crtc);
kfree(qxl_crtc);
}
static int
qxl_hide_cursor(struct qxl_device *qdev)
{
struct qxl_release *release;
struct qxl_cursor_cmd *cmd;
int ret;
ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), QXL_RELEASE_CURSOR_CMD,
&release, NULL);
if (ret)
return ret;
ret = qxl_release_reserve_list(release, true);
if (ret) {
qxl_release_free(qdev, release);
return ret;
}
cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
cmd->type = QXL_CURSOR_HIDE;
qxl_release_unmap(qdev, release, &cmd->release_info);
qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
qxl_release_fence_buffer_objects(release);
return 0;
}
static int qxl_crtc_cursor_set2(struct drm_crtc *crtc,
struct drm_file *file_priv,
uint32_t handle,
uint32_t width,
uint32_t height, int32_t hot_x, int32_t hot_y)
{
struct drm_device *dev = crtc->dev;
struct qxl_device *qdev = dev->dev_private;
struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
struct drm_gem_object *obj;
struct qxl_cursor *cursor;
struct qxl_cursor_cmd *cmd;
struct qxl_bo *cursor_bo, *user_bo;
struct qxl_release *release;
void *user_ptr;
int size = 64*64*4;
int ret = 0;
if (!handle)
return qxl_hide_cursor(qdev);
obj = drm_gem_object_lookup(crtc->dev, file_priv, handle);
if (!obj) {
DRM_ERROR("cannot find cursor object\n");
return -ENOENT;
}
user_bo = gem_to_qxl_bo(obj);
ret = qxl_bo_reserve(user_bo, false);
if (ret)
goto out_unref;
ret = qxl_bo_pin(user_bo, QXL_GEM_DOMAIN_CPU, NULL);
qxl_bo_unreserve(user_bo);
if (ret)
goto out_unref;
ret = qxl_bo_kmap(user_bo, &user_ptr);
if (ret)
goto out_unpin;
ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd),
QXL_RELEASE_CURSOR_CMD,
&release, NULL);
if (ret)
goto out_kunmap;
ret = qxl_alloc_bo_reserved(qdev, release, sizeof(struct qxl_cursor) + size,
&cursor_bo);
if (ret)
goto out_free_release;
ret = qxl_release_reserve_list(release, false);
if (ret)
goto out_free_bo;
ret = qxl_bo_kmap(cursor_bo, (void **)&cursor);
if (ret)
goto out_backoff;
cursor->header.unique = 0;
cursor->header.type = SPICE_CURSOR_TYPE_ALPHA;
cursor->header.width = 64;
cursor->header.height = 64;
cursor->header.hot_spot_x = hot_x;
cursor->header.hot_spot_y = hot_y;
cursor->data_size = size;
cursor->chunk.next_chunk = 0;
cursor->chunk.prev_chunk = 0;
cursor->chunk.data_size = size;
memcpy(cursor->chunk.data, user_ptr, size);
qxl_bo_kunmap(cursor_bo);
qxl_bo_kunmap(user_bo);
cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
cmd->type = QXL_CURSOR_SET;
cmd->u.set.position.x = qcrtc->cur_x;
cmd->u.set.position.y = qcrtc->cur_y;
cmd->u.set.shape = qxl_bo_physical_address(qdev, cursor_bo, 0);
cmd->u.set.visible = 1;
qxl_release_unmap(qdev, release, &cmd->release_info);
qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
qxl_release_fence_buffer_objects(release);
/* finish with the userspace bo */
ret = qxl_bo_reserve(user_bo, false);
if (!ret) {
qxl_bo_unpin(user_bo);
qxl_bo_unreserve(user_bo);
}
drm_gem_object_unreference_unlocked(obj);
qxl_bo_unref(&cursor_bo);
return ret;
out_backoff:
qxl_release_backoff_reserve_list(release);
out_free_bo:
qxl_bo_unref(&cursor_bo);
out_free_release:
qxl_release_free(qdev, release);
out_kunmap:
qxl_bo_kunmap(user_bo);
out_unpin:
qxl_bo_unpin(user_bo);
out_unref:
drm_gem_object_unreference_unlocked(obj);
return ret;
}
static int qxl_crtc_cursor_move(struct drm_crtc *crtc,
int x, int y)
{
struct drm_device *dev = crtc->dev;
struct qxl_device *qdev = dev->dev_private;
struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
struct qxl_release *release;
struct qxl_cursor_cmd *cmd;
int ret;
ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), QXL_RELEASE_CURSOR_CMD,
&release, NULL);
if (ret)
return ret;
ret = qxl_release_reserve_list(release, true);
if (ret) {
qxl_release_free(qdev, release);
return ret;
}
qcrtc->cur_x = x;
qcrtc->cur_y = y;
cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release);
cmd->type = QXL_CURSOR_MOVE;
cmd->u.position.x = qcrtc->cur_x;
cmd->u.position.y = qcrtc->cur_y;
qxl_release_unmap(qdev, release, &cmd->release_info);
qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false);
qxl_release_fence_buffer_objects(release);
return 0;
}
static const struct drm_crtc_funcs qxl_crtc_funcs = {
.cursor_set2 = qxl_crtc_cursor_set2,
.cursor_move = qxl_crtc_cursor_move,
.set_config = drm_crtc_helper_set_config,
.destroy = qxl_crtc_destroy,
};
static void qxl_user_framebuffer_destroy(struct drm_framebuffer *fb)
{
struct qxl_framebuffer *qxl_fb = to_qxl_framebuffer(fb);
if (qxl_fb->obj)
drm_gem_object_unreference_unlocked(qxl_fb->obj);
drm_framebuffer_cleanup(fb);
kfree(qxl_fb);
}
static int qxl_framebuffer_surface_dirty(struct drm_framebuffer *fb,
struct drm_file *file_priv,
unsigned flags, unsigned color,
struct drm_clip_rect *clips,
unsigned num_clips)
{
/* TODO: vmwgfx where this was cribbed from had locking. Why? */
struct qxl_framebuffer *qxl_fb = to_qxl_framebuffer(fb);
struct qxl_device *qdev = qxl_fb->base.dev->dev_private;
struct drm_clip_rect norect;
struct qxl_bo *qobj;
int inc = 1;
drm_modeset_lock_all(fb->dev);
qobj = gem_to_qxl_bo(qxl_fb->obj);
/* if we aren't primary surface ignore this */
if (!qobj->is_primary) {
drm_modeset_unlock_all(fb->dev);
return 0;
}
if (!num_clips) {
num_clips = 1;
clips = &norect;
norect.x1 = norect.y1 = 0;
norect.x2 = fb->width;
norect.y2 = fb->height;
} else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) {
num_clips /= 2;
inc = 2; /* skip source rects */
}
qxl_draw_dirty_fb(qdev, qxl_fb, qobj, flags, color,
clips, num_clips, inc);
drm_modeset_unlock_all(fb->dev);
return 0;
}
static const struct drm_framebuffer_funcs qxl_fb_funcs = {
.destroy = qxl_user_framebuffer_destroy,
.dirty = qxl_framebuffer_surface_dirty,
/* TODO?
* .create_handle = qxl_user_framebuffer_create_handle, */
};
int
qxl_framebuffer_init(struct drm_device *dev,
struct qxl_framebuffer *qfb,
struct drm_mode_fb_cmd2 *mode_cmd,
struct drm_gem_object *obj)
{
int ret;
qfb->obj = obj;
ret = drm_framebuffer_init(dev, &qfb->base, &qxl_fb_funcs);
if (ret) {
qfb->obj = NULL;
return ret;
}
drm_helper_mode_fill_fb_struct(&qfb->base, mode_cmd);
return 0;
}
static void qxl_crtc_dpms(struct drm_crtc *crtc, int mode)
{
}
static bool qxl_crtc_mode_fixup(struct drm_crtc *crtc,
const struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
{
struct drm_device *dev = crtc->dev;
struct qxl_device *qdev = dev->dev_private;
qxl_io_log(qdev, "%s: (%d,%d) => (%d,%d)\n",
__func__,
mode->hdisplay, mode->vdisplay,
adjusted_mode->hdisplay,
adjusted_mode->vdisplay);
return true;
}
void
qxl_send_monitors_config(struct qxl_device *qdev)
{
int i;
BUG_ON(!qdev->ram_header->monitors_config);
if (qdev->monitors_config->count == 0) {
qxl_io_log(qdev, "%s: 0 monitors??\n", __func__);
return;
}
for (i = 0 ; i < qdev->monitors_config->count ; ++i) {
struct qxl_head *head = &qdev->monitors_config->heads[i];
if (head->y > 8192 || head->x > 8192 ||
head->width > 8192 || head->height > 8192) {
DRM_ERROR("head %d wrong: %dx%d+%d+%d\n",
i, head->width, head->height,
head->x, head->y);
return;
}
}
qxl_io_monitors_config(qdev);
}
static void qxl_monitors_config_set(struct qxl_device *qdev,
int index,
unsigned x, unsigned y,
unsigned width, unsigned height,
unsigned surf_id)
{
DRM_DEBUG_KMS("%d:%dx%d+%d+%d\n", index, width, height, x, y);
qdev->monitors_config->heads[index].x = x;
qdev->monitors_config->heads[index].y = y;
qdev->monitors_config->heads[index].width = width;
qdev->monitors_config->heads[index].height = height;
qdev->monitors_config->heads[index].surface_id = surf_id;
}
static int qxl_crtc_mode_set(struct drm_crtc *crtc,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode,
int x, int y,
struct drm_framebuffer *old_fb)
{
struct drm_device *dev = crtc->dev;
struct qxl_device *qdev = dev->dev_private;
struct qxl_mode *m = (void *)mode->private;
struct qxl_framebuffer *qfb;
struct qxl_bo *bo, *old_bo = NULL;
struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
uint32_t width, height, base_offset;
bool recreate_primary = false;
int ret;
int surf_id;
if (!crtc->fb) {
DRM_DEBUG_KMS("No FB bound\n");
return 0;
}
if (old_fb) {
qfb = to_qxl_framebuffer(old_fb);
old_bo = gem_to_qxl_bo(qfb->obj);
}
qfb = to_qxl_framebuffer(crtc->fb);
bo = gem_to_qxl_bo(qfb->obj);
if (!m)
/* and do we care? */
DRM_DEBUG("%dx%d: not a native mode\n", x, y);
else
DRM_DEBUG("%dx%d: qxl id %d\n",
mode->hdisplay, mode->vdisplay, m->id);
DRM_DEBUG("+%d+%d (%d,%d) => (%d,%d)\n",
x, y,
mode->hdisplay, mode->vdisplay,
adjusted_mode->hdisplay,
adjusted_mode->vdisplay);
if (qcrtc->index == 0)
recreate_primary = true;
width = mode->hdisplay;
height = mode->vdisplay;
base_offset = 0;
ret = qxl_bo_reserve(bo, false);
if (ret != 0)
return ret;
ret = qxl_bo_pin(bo, bo->type, NULL);
if (ret != 0) {
qxl_bo_unreserve(bo);
return -EINVAL;
}
qxl_bo_unreserve(bo);
if (recreate_primary) {
qxl_io_destroy_primary(qdev);
qxl_io_log(qdev,
"recreate primary: %dx%d (was %dx%d,%d,%d)\n",
width, height, bo->surf.width,
bo->surf.height, bo->surf.stride, bo->surf.format);
qxl_io_create_primary(qdev, base_offset, bo);
bo->is_primary = true;
surf_id = 0;
} else {
surf_id = bo->surface_id;
}
if (old_bo && old_bo != bo) {
old_bo->is_primary = false;
ret = qxl_bo_reserve(old_bo, false);
qxl_bo_unpin(old_bo);
qxl_bo_unreserve(old_bo);
}
qxl_monitors_config_set(qdev, qcrtc->index, x, y,
mode->hdisplay,
mode->vdisplay, surf_id);
return 0;
}
static void qxl_crtc_prepare(struct drm_crtc *crtc)
{
DRM_DEBUG("current: %dx%d+%d+%d (%d).\n",
crtc->mode.hdisplay, crtc->mode.vdisplay,
crtc->x, crtc->y, crtc->enabled);
}
static void qxl_crtc_commit(struct drm_crtc *crtc)
{
DRM_DEBUG("\n");
}
static void qxl_crtc_disable(struct drm_crtc *crtc)
{
struct qxl_crtc *qcrtc = to_qxl_crtc(crtc);
struct drm_device *dev = crtc->dev;
struct qxl_device *qdev = dev->dev_private;
if (crtc->fb) {
struct qxl_framebuffer *qfb = to_qxl_framebuffer(crtc->fb);
struct qxl_bo *bo = gem_to_qxl_bo(qfb->obj);
int ret;
ret = qxl_bo_reserve(bo, false);
qxl_bo_unpin(bo);
qxl_bo_unreserve(bo);
crtc->fb = NULL;
}
qxl_monitors_config_set(qdev, qcrtc->index, 0, 0, 0, 0, 0);
qxl_send_monitors_config(qdev);
}
static const struct drm_crtc_helper_funcs qxl_crtc_helper_funcs = {
.dpms = qxl_crtc_dpms,
.disable = qxl_crtc_disable,
.mode_fixup = qxl_crtc_mode_fixup,
.mode_set = qxl_crtc_mode_set,
.prepare = qxl_crtc_prepare,
.commit = qxl_crtc_commit,
};
static int qdev_crtc_init(struct drm_device *dev, int crtc_id)
{
struct qxl_crtc *qxl_crtc;
qxl_crtc = kzalloc(sizeof(struct qxl_crtc), GFP_KERNEL);
if (!qxl_crtc)
return -ENOMEM;
drm_crtc_init(dev, &qxl_crtc->base, &qxl_crtc_funcs);
qxl_crtc->index = crtc_id;
drm_mode_crtc_set_gamma_size(&qxl_crtc->base, 256);
drm_crtc_helper_add(&qxl_crtc->base, &qxl_crtc_helper_funcs);
return 0;
}
static void qxl_enc_dpms(struct drm_encoder *encoder, int mode)
{
DRM_DEBUG("\n");
}
static bool qxl_enc_mode_fixup(struct drm_encoder *encoder,
const struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
{
DRM_DEBUG("\n");
return true;
}
static void qxl_enc_prepare(struct drm_encoder *encoder)
{
DRM_DEBUG("\n");
}
static void qxl_write_monitors_config_for_encoder(struct qxl_device *qdev,
struct drm_encoder *encoder)
{
int i;
struct qxl_output *output = drm_encoder_to_qxl_output(encoder);
struct qxl_head *head;
struct drm_display_mode *mode;
BUG_ON(!encoder);
/* TODO: ugly, do better */
i = output->index;
if (!qdev->monitors_config ||
qdev->monitors_config->max_allowed <= i) {
DRM_ERROR(
"head number too large or missing monitors config: %p, %d",
qdev->monitors_config,
qdev->monitors_config ?
qdev->monitors_config->max_allowed : -1);
return;
}
if (!encoder->crtc) {
DRM_ERROR("missing crtc on encoder %p\n", encoder);
return;
}
if (i != 0)
DRM_DEBUG("missing for multiple monitors: no head holes\n");
head = &qdev->monitors_config->heads[i];
head->id = i;
if (encoder->crtc->enabled) {
mode = &encoder->crtc->mode;
head->width = mode->hdisplay;
head->height = mode->vdisplay;
head->x = encoder->crtc->x;
head->y = encoder->crtc->y;
if (qdev->monitors_config->count < i + 1)
qdev->monitors_config->count = i + 1;
} else {
head->width = 0;
head->height = 0;
head->x = 0;
head->y = 0;
}
DRM_DEBUG_KMS("setting head %d to +%d+%d %dx%d out of %d\n",
i, head->x, head->y, head->width, head->height, qdev->monitors_config->count);
head->flags = 0;
/* TODO - somewhere else to call this for multiple monitors
* (config_commit?) */
qxl_send_monitors_config(qdev);
}
static void qxl_enc_commit(struct drm_encoder *encoder)
{
struct qxl_device *qdev = encoder->dev->dev_private;
qxl_write_monitors_config_for_encoder(qdev, encoder);
DRM_DEBUG("\n");
}
static void qxl_enc_mode_set(struct drm_encoder *encoder,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
{
DRM_DEBUG("\n");
}
static int qxl_conn_get_modes(struct drm_connector *connector)
{
int ret = 0;
struct qxl_device *qdev = connector->dev->dev_private;
unsigned pwidth = 1024;
unsigned pheight = 768;
DRM_DEBUG_KMS("monitors_config=%p\n", qdev->monitors_config);
/* TODO: what should we do here? only show the configured modes for the
* device, or allow the full list, or both? */
if (qdev->monitors_config && qdev->monitors_config->count) {
ret = qxl_add_monitors_config_modes(connector, &pwidth, &pheight);
if (ret < 0)
return ret;
}
ret += qxl_add_common_modes(connector, pwidth, pheight);
return ret;
}
static int qxl_conn_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode)
{
/* TODO: is this called for user defined modes? (xrandr --add-mode)
* TODO: check that the mode fits in the framebuffer */
DRM_DEBUG("%s: %dx%d status=%d\n", mode->name, mode->hdisplay,
mode->vdisplay, mode->status);
return MODE_OK;
}
static struct drm_encoder *qxl_best_encoder(struct drm_connector *connector)
{
struct qxl_output *qxl_output =
drm_connector_to_qxl_output(connector);
DRM_DEBUG("\n");
return &qxl_output->enc;
}
static const struct drm_encoder_helper_funcs qxl_enc_helper_funcs = {
.dpms = qxl_enc_dpms,
.mode_fixup = qxl_enc_mode_fixup,
.prepare = qxl_enc_prepare,
.mode_set = qxl_enc_mode_set,
.commit = qxl_enc_commit,
};
static const struct drm_connector_helper_funcs qxl_connector_helper_funcs = {
.get_modes = qxl_conn_get_modes,
.mode_valid = qxl_conn_mode_valid,
.best_encoder = qxl_best_encoder,
};
static void qxl_conn_save(struct drm_connector *connector)
{
DRM_DEBUG("\n");
}
static void qxl_conn_restore(struct drm_connector *connector)
{
DRM_DEBUG("\n");
}
static enum drm_connector_status qxl_conn_detect(
struct drm_connector *connector,
bool force)
{
struct qxl_output *output =
drm_connector_to_qxl_output(connector);
struct drm_device *ddev = connector->dev;
struct qxl_device *qdev = ddev->dev_private;
int connected;
/* The first monitor is always connected */
connected = (output->index == 0) ||
(qdev->client_monitors_config &&
qdev->client_monitors_config->count > output->index &&
qxl_head_enabled(&qdev->client_monitors_config->heads[output->index]));
DRM_DEBUG("#%d connected: %d\n", output->index, connected);
if (!connected)
qxl_monitors_config_set(qdev, output->index, 0, 0, 0, 0, 0);
return connected ? connector_status_connected
: connector_status_disconnected;
}
static int qxl_conn_set_property(struct drm_connector *connector,
struct drm_property *property,
uint64_t value)
{
DRM_DEBUG("\n");
return 0;
}
static void qxl_conn_destroy(struct drm_connector *connector)
{
struct qxl_output *qxl_output =
drm_connector_to_qxl_output(connector);
drm_sysfs_connector_remove(connector);
drm_connector_cleanup(connector);
kfree(qxl_output);
}
static const struct drm_connector_funcs qxl_connector_funcs = {
.dpms = drm_helper_connector_dpms,
.save = qxl_conn_save,
.restore = qxl_conn_restore,
.detect = qxl_conn_detect,
.fill_modes = drm_helper_probe_single_connector_modes,
.set_property = qxl_conn_set_property,
.destroy = qxl_conn_destroy,
};
static void qxl_enc_destroy(struct drm_encoder *encoder)
{
drm_encoder_cleanup(encoder);
}
static const struct drm_encoder_funcs qxl_enc_funcs = {
.destroy = qxl_enc_destroy,
};
static int qxl_mode_create_hotplug_mode_update_property(struct qxl_device *qdev)
{
if (qdev->hotplug_mode_update_property)
return 0;
qdev->hotplug_mode_update_property =
drm_property_create_range(qdev->ddev, DRM_MODE_PROP_IMMUTABLE,
"hotplug_mode_update", 0, 1);
return 0;
}
static int qdev_output_init(struct drm_device *dev, int num_output)
{
struct qxl_device *qdev = dev->dev_private;
struct qxl_output *qxl_output;
struct drm_connector *connector;
struct drm_encoder *encoder;
qxl_output = kzalloc(sizeof(struct qxl_output), GFP_KERNEL);
if (!qxl_output)
return -ENOMEM;
qxl_output->index = num_output;
connector = &qxl_output->base;
encoder = &qxl_output->enc;
drm_connector_init(dev, &qxl_output->base,
&qxl_connector_funcs, DRM_MODE_CONNECTOR_VIRTUAL);
drm_encoder_init(dev, &qxl_output->enc, &qxl_enc_funcs,
DRM_MODE_ENCODER_VIRTUAL);
/* we get HPD via client monitors config */
connector->polled = DRM_CONNECTOR_POLL_HPD;
encoder->possible_crtcs = 1 << num_output;
drm_mode_connector_attach_encoder(&qxl_output->base,
&qxl_output->enc);
drm_encoder_helper_add(encoder, &qxl_enc_helper_funcs);
drm_connector_helper_add(connector, &qxl_connector_helper_funcs);
drm_object_attach_property(&connector->base,
qdev->hotplug_mode_update_property, 0);
drm_sysfs_connector_add(connector);
return 0;
}
static struct drm_framebuffer *
qxl_user_framebuffer_create(struct drm_device *dev,
struct drm_file *file_priv,
struct drm_mode_fb_cmd2 *mode_cmd)
{
struct drm_gem_object *obj;
struct qxl_framebuffer *qxl_fb;
int ret;
obj = drm_gem_object_lookup(dev, file_priv, mode_cmd->handles[0]);
qxl_fb = kzalloc(sizeof(*qxl_fb), GFP_KERNEL);
if (qxl_fb == NULL)
return NULL;
ret = qxl_framebuffer_init(dev, qxl_fb, mode_cmd, obj);
if (ret) {
kfree(qxl_fb);
drm_gem_object_unreference_unlocked(obj);
return NULL;
}
return &qxl_fb->base;
}
static const struct drm_mode_config_funcs qxl_mode_funcs = {
.fb_create = qxl_user_framebuffer_create,
};
int qxl_create_monitors_object(struct qxl_device *qdev)
{
int ret;
struct drm_gem_object *gobj;
int max_allowed = qxl_num_crtc;
int monitors_config_size = sizeof(struct qxl_monitors_config) +
max_allowed * sizeof(struct qxl_head);
ret = qxl_gem_object_create(qdev, monitors_config_size, 0,
QXL_GEM_DOMAIN_VRAM,
false, false, NULL, &gobj);
if (ret) {
DRM_ERROR("%s: failed to create gem ret=%d\n", __func__, ret);
return -ENOMEM;
}
qdev->monitors_config_bo = gem_to_qxl_bo(gobj);
ret = qxl_bo_reserve(qdev->monitors_config_bo, false);
if (ret)
return ret;
ret = qxl_bo_pin(qdev->monitors_config_bo, QXL_GEM_DOMAIN_VRAM, NULL);
if (ret) {
qxl_bo_unreserve(qdev->monitors_config_bo);
return ret;
}
qxl_bo_unreserve(qdev->monitors_config_bo);
qxl_bo_kmap(qdev->monitors_config_bo, NULL);
qdev->monitors_config = qdev->monitors_config_bo->kptr;
qdev->ram_header->monitors_config =
qxl_bo_physical_address(qdev, qdev->monitors_config_bo, 0);
memset(qdev->monitors_config, 0, monitors_config_size);
qdev->monitors_config->max_allowed = max_allowed;
return 0;
}
int qxl_destroy_monitors_object(struct qxl_device *qdev)
{
int ret;
qdev->monitors_config = NULL;
qdev->ram_header->monitors_config = 0;
qxl_bo_kunmap(qdev->monitors_config_bo);
ret = qxl_bo_reserve(qdev->monitors_config_bo, false);
if (ret)
return ret;
qxl_bo_unpin(qdev->monitors_config_bo);
qxl_bo_unreserve(qdev->monitors_config_bo);
qxl_bo_unref(&qdev->monitors_config_bo);
return 0;
}
int qxl_modeset_init(struct qxl_device *qdev)
{
int i;
int ret;
drm_mode_config_init(qdev->ddev);
ret = qxl_create_monitors_object(qdev);
if (ret)
return ret;
qdev->ddev->mode_config.funcs = (void *)&qxl_mode_funcs;
/* modes will be validated against the framebuffer size */
qdev->ddev->mode_config.min_width = 320;
qdev->ddev->mode_config.min_height = 200;
qdev->ddev->mode_config.max_width = 8192;
qdev->ddev->mode_config.max_height = 8192;
qdev->ddev->mode_config.fb_base = qdev->vram_base;
qxl_mode_create_hotplug_mode_update_property(qdev);
for (i = 0 ; i < qxl_num_crtc; ++i) {
qdev_crtc_init(qdev->ddev, i);
qdev_output_init(qdev->ddev, i);
}
qdev->mode_info.mode_config_initialized = true;
/* primary surface must be created by this point, to allow
* issuing command queue commands and having them read by
* spice server. */
qxl_fbdev_init(qdev);
return 0;
}
void qxl_modeset_fini(struct qxl_device *qdev)
{
qxl_fbdev_fini(qdev);
qxl_destroy_monitors_object(qdev);
if (qdev->mode_info.mode_config_initialized) {
drm_mode_config_cleanup(qdev->ddev);
qdev->mode_info.mode_config_initialized = false;
}
}