return 0;
}
-static int alloc_palette_object(struct qxl_device *qdev,
- struct qxl_release *release,
- struct qxl_bo **palette_bo)
-{
- return qxl_alloc_bo_reserved(qdev, release,
- sizeof(struct qxl_palette) + sizeof(uint32_t) * 2,
- palette_bo);
-}
-
-static int qxl_palette_create_1bit(struct qxl_bo *palette_bo,
- struct qxl_release *release,
- const struct qxl_fb_image *qxl_fb_image)
-{
- const struct fb_image *fb_image = &qxl_fb_image->fb_image;
- uint32_t visual = qxl_fb_image->visual;
- const uint32_t *pseudo_palette = qxl_fb_image->pseudo_palette;
- struct qxl_palette *pal;
- int ret;
- uint32_t fgcolor, bgcolor;
- static uint64_t unique; /* we make no attempt to actually set this
- * correctly globaly, since that would require
- * tracking all of our palettes. */
- ret = qxl_bo_kmap(palette_bo, (void **)&pal);
- if (ret)
- return ret;
- pal->num_ents = 2;
- pal->unique = unique++;
- if (visual == FB_VISUAL_TRUECOLOR || visual == FB_VISUAL_DIRECTCOLOR) {
- /* NB: this is the only used branch currently. */
- fgcolor = pseudo_palette[fb_image->fg_color];
- bgcolor = pseudo_palette[fb_image->bg_color];
- } else {
- fgcolor = fb_image->fg_color;
- bgcolor = fb_image->bg_color;
- }
- pal->ents[0] = bgcolor;
- pal->ents[1] = fgcolor;
- qxl_bo_kunmap(palette_bo);
- return 0;
-}
-
-void qxl_draw_opaque_fb(const struct qxl_fb_image *qxl_fb_image,
- int stride /* filled in if 0 */)
-{
- struct qxl_device *qdev = qxl_fb_image->qdev;
- struct qxl_drawable *drawable;
- struct qxl_rect rect;
- const struct fb_image *fb_image = &qxl_fb_image->fb_image;
- int x = fb_image->dx;
- int y = fb_image->dy;
- int width = fb_image->width;
- int height = fb_image->height;
- const char *src = fb_image->data;
- int depth = fb_image->depth;
- struct qxl_release *release;
- struct qxl_image *image;
- int ret;
- struct qxl_drm_image *dimage;
- struct qxl_bo *palette_bo = NULL;
-
- if (stride == 0)
- stride = depth * width / 8;
-
- ret = alloc_drawable(qdev, &release);
- if (ret)
- return;
-
- ret = qxl_image_alloc_objects(qdev, release,
- &dimage,
- height, stride);
- if (ret)
- goto out_free_drawable;
-
- if (depth == 1) {
- ret = alloc_palette_object(qdev, release, &palette_bo);
- if (ret)
- goto out_free_image;
- }
-
- /* do a reservation run over all the objects we just allocated */
- ret = qxl_release_reserve_list(release, true);
- if (ret)
- goto out_free_palette;
-
- rect.left = x;
- rect.right = x + width;
- rect.top = y;
- rect.bottom = y + height;
-
- ret = make_drawable(qdev, 0, QXL_DRAW_COPY, &rect, release);
- if (ret) {
- qxl_release_backoff_reserve_list(release);
- goto out_free_palette;
- }
-
- ret = qxl_image_init(qdev, release, dimage,
- (const uint8_t *)src, 0, 0,
- width, height, depth, stride);
- if (ret) {
- qxl_release_backoff_reserve_list(release);
- qxl_release_free(qdev, release);
- return;
- }
-
- if (depth == 1) {
- void *ptr;
-
- ret = qxl_palette_create_1bit(palette_bo, release, qxl_fb_image);
-
- ptr = qxl_bo_kmap_atomic_page(qdev, dimage->bo, 0);
- image = ptr;
- image->u.bitmap.palette =
- qxl_bo_physical_address(qdev, palette_bo, 0);
- qxl_bo_kunmap_atomic_page(qdev, dimage->bo, ptr);
- }
-
- drawable = (struct qxl_drawable *)qxl_release_map(qdev, release);
-
- drawable->u.copy.src_area.top = 0;
- drawable->u.copy.src_area.bottom = height;
- drawable->u.copy.src_area.left = 0;
- drawable->u.copy.src_area.right = width;
-
- drawable->u.copy.rop_descriptor = SPICE_ROPD_OP_PUT;
- drawable->u.copy.scale_mode = 0;
- drawable->u.copy.mask.flags = 0;
- drawable->u.copy.mask.pos.x = 0;
- drawable->u.copy.mask.pos.y = 0;
- drawable->u.copy.mask.bitmap = 0;
-
- drawable->u.copy.src_bitmap =
- qxl_bo_physical_address(qdev, dimage->bo, 0);
- qxl_release_unmap(qdev, release, &drawable->release_info);
-
- qxl_push_command_ring_release(qdev, release, QXL_CMD_DRAW, false);
- qxl_release_fence_buffer_objects(release);
-
-out_free_palette:
- qxl_bo_unref(&palette_bo);
-out_free_image:
- qxl_image_free_objects(qdev, dimage);
-out_free_drawable:
- if (ret)
- free_drawable(qdev, release);
-}
-
/* push a draw command using the given clipping rectangles as
* the sources from the shadow framebuffer.
*
free_drawable(qdev, release);
}
-
-void qxl_draw_copyarea(struct qxl_device *qdev,
- u32 width, u32 height,
- u32 sx, u32 sy,
- u32 dx, u32 dy)
-{
- struct qxl_drawable *drawable;
- struct qxl_rect rect;
- struct qxl_release *release;
- int ret;
-
- ret = alloc_drawable(qdev, &release);
- if (ret)
- return;
-
- /* do a reservation run over all the objects we just allocated */
- ret = qxl_release_reserve_list(release, true);
- if (ret)
- goto out_free_release;
-
- rect.left = dx;
- rect.top = dy;
- rect.right = dx + width;
- rect.bottom = dy + height;
- ret = make_drawable(qdev, 0, QXL_COPY_BITS, &rect, release);
- if (ret) {
- qxl_release_backoff_reserve_list(release);
- goto out_free_release;
- }
-
- drawable = (struct qxl_drawable *)qxl_release_map(qdev, release);
- drawable->u.copy_bits.src_pos.x = sx;
- drawable->u.copy_bits.src_pos.y = sy;
- qxl_release_unmap(qdev, release, &drawable->release_info);
-
- qxl_push_command_ring_release(qdev, release, QXL_CMD_DRAW, false);
- qxl_release_fence_buffer_objects(release);
-
-out_free_release:
- if (ret)
- free_drawable(qdev, release);
-}
-
-void qxl_draw_fill(struct qxl_draw_fill *qxl_draw_fill_rec)
-{
- struct qxl_device *qdev = qxl_draw_fill_rec->qdev;
- struct qxl_rect rect = qxl_draw_fill_rec->rect;
- uint32_t color = qxl_draw_fill_rec->color;
- uint16_t rop = qxl_draw_fill_rec->rop;
- struct qxl_drawable *drawable;
- struct qxl_release *release;
- int ret;
-
- ret = alloc_drawable(qdev, &release);
- if (ret)
- return;
-
- /* do a reservation run over all the objects we just allocated */
- ret = qxl_release_reserve_list(release, true);
- if (ret)
- goto out_free_release;
-
- ret = make_drawable(qdev, 0, QXL_DRAW_FILL, &rect, release);
- if (ret) {
- qxl_release_backoff_reserve_list(release);
- goto out_free_release;
- }
-
- drawable = (struct qxl_drawable *)qxl_release_map(qdev, release);
- drawable->u.fill.brush.type = SPICE_BRUSH_TYPE_SOLID;
- drawable->u.fill.brush.u.color = color;
- drawable->u.fill.rop_descriptor = rop;
- drawable->u.fill.mask.flags = 0;
- drawable->u.fill.mask.pos.x = 0;
- drawable->u.fill.mask.pos.y = 0;
- drawable->u.fill.mask.bitmap = 0;
-
- qxl_release_unmap(qdev, release, &drawable->release_info);
-
- qxl_push_command_ring_release(qdev, release, QXL_CMD_DRAW, false);
- qxl_release_fence_buffer_objects(release);
-
-out_free_release:
- if (ret)
- free_drawable(qdev, release);
-}
+++ /dev/null
-/*
- * Copyright © 2013 Red Hat
- *
- * 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 AUTHORS OR COPYRIGHT HOLDERS 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:
- * David Airlie
- */
-#include <linux/module.h>
-
-#include <drm/drmP.h>
-#include <drm/drm.h>
-#include <drm/drm_crtc.h>
-#include <drm/drm_fb_helper.h>
-#include <drm/drm_gem_framebuffer_helper.h>
-#include <drm/drm_probe_helper.h>
-
-#include "qxl_drv.h"
-
-#include "qxl_object.h"
-
-static void qxl_fb_image_init(struct qxl_fb_image *qxl_fb_image,
- struct qxl_device *qdev, struct fb_info *info,
- const struct fb_image *image)
-{
- qxl_fb_image->qdev = qdev;
- if (info) {
- qxl_fb_image->visual = info->fix.visual;
- if (qxl_fb_image->visual == FB_VISUAL_TRUECOLOR ||
- qxl_fb_image->visual == FB_VISUAL_DIRECTCOLOR)
- memcpy(&qxl_fb_image->pseudo_palette,
- info->pseudo_palette,
- sizeof(qxl_fb_image->pseudo_palette));
- } else {
- /* fallback */
- if (image->depth == 1)
- qxl_fb_image->visual = FB_VISUAL_MONO10;
- else
- qxl_fb_image->visual = FB_VISUAL_DIRECTCOLOR;
- }
- if (image) {
- memcpy(&qxl_fb_image->fb_image, image,
- sizeof(qxl_fb_image->fb_image));
- }
-}
-
-static struct fb_ops qxlfb_ops = {
- .owner = THIS_MODULE,
- DRM_FB_HELPER_DEFAULT_OPS,
- .fb_fillrect = drm_fb_helper_sys_fillrect,
- .fb_copyarea = drm_fb_helper_sys_copyarea,
- .fb_imageblit = drm_fb_helper_sys_imageblit,
-};
-
-static void qxlfb_destroy_pinned_object(struct drm_gem_object *gobj)
-{
- struct qxl_bo *qbo = gem_to_qxl_bo(gobj);
-
- qxl_bo_kunmap(qbo);
- qxl_bo_unpin(qbo);
-
- drm_gem_object_put_unlocked(gobj);
-}
-
-static int qxlfb_create_pinned_object(struct qxl_device *qdev,
- const struct drm_mode_fb_cmd2 *mode_cmd,
- struct drm_gem_object **gobj_p)
-{
- struct drm_gem_object *gobj = NULL;
- struct qxl_bo *qbo = NULL;
- int ret;
- int aligned_size, size;
- int height = mode_cmd->height;
-
- size = mode_cmd->pitches[0] * height;
- aligned_size = ALIGN(size, PAGE_SIZE);
- /* TODO: unallocate and reallocate surface0 for real. Hack to just
- * have a large enough surface0 for 1024x768 Xorg 32bpp mode */
- ret = qxl_gem_object_create(qdev, aligned_size, 0,
- QXL_GEM_DOMAIN_SURFACE,
- false, /* is discardable */
- false, /* is kernel (false means device) */
- NULL,
- &gobj);
- if (ret) {
- pr_err("failed to allocate framebuffer (%d)\n",
- aligned_size);
- return -ENOMEM;
- }
- qbo = gem_to_qxl_bo(gobj);
-
- qbo->surf.width = mode_cmd->width;
- qbo->surf.height = mode_cmd->height;
- qbo->surf.stride = mode_cmd->pitches[0];
- qbo->surf.format = SPICE_SURFACE_FMT_32_xRGB;
-
- ret = qxl_bo_pin(qbo);
- if (ret) {
- goto out_unref;
- }
- ret = qxl_bo_kmap(qbo, NULL);
-
- if (ret)
- goto out_unref;
-
- *gobj_p = gobj;
- return 0;
-out_unref:
- qxlfb_destroy_pinned_object(gobj);
- *gobj_p = NULL;
- return ret;
-}
-
-/*
- * FIXME
- * It should not be necessary to have a special dirty() callback for fbdev.
- */
-static int qxlfb_framebuffer_dirty(struct drm_framebuffer *fb,
- struct drm_file *file_priv,
- unsigned int flags, unsigned int color,
- struct drm_clip_rect *clips,
- unsigned int num_clips)
-{
- struct qxl_device *qdev = fb->dev->dev_private;
- struct fb_info *info = qdev->fb_helper.fbdev;
- struct qxl_fb_image qxl_fb_image;
- struct fb_image *image = &qxl_fb_image.fb_image;
-
- /* TODO: hard coding 32 bpp */
- int stride = fb->pitches[0];
-
- /*
- * we are using a shadow draw buffer, at qdev->surface0_shadow
- */
- image->dx = clips->x1;
- image->dy = clips->y1;
- image->width = clips->x2 - clips->x1;
- image->height = clips->y2 - clips->y1;
- image->fg_color = 0xffffffff; /* unused, just to avoid uninitialized
- warnings */
- image->bg_color = 0;
- image->depth = 32; /* TODO: take from somewhere? */
- image->cmap.start = 0;
- image->cmap.len = 0;
- image->cmap.red = NULL;
- image->cmap.green = NULL;
- image->cmap.blue = NULL;
- image->cmap.transp = NULL;
- image->data = info->screen_base + (clips->x1 * 4) + (stride * clips->y1);
-
- qxl_fb_image_init(&qxl_fb_image, qdev, info, NULL);
- qxl_draw_opaque_fb(&qxl_fb_image, stride);
-
- return 0;
-}
-
-static const struct drm_framebuffer_funcs qxlfb_fb_funcs = {
- .destroy = drm_gem_fb_destroy,
- .create_handle = drm_gem_fb_create_handle,
- .dirty = qxlfb_framebuffer_dirty,
-};
-
-static int qxlfb_create(struct drm_fb_helper *helper,
- struct drm_fb_helper_surface_size *sizes)
-{
- struct qxl_device *qdev =
- container_of(helper, struct qxl_device, fb_helper);
- struct fb_info *info;
- struct drm_framebuffer *fb = NULL;
- struct drm_mode_fb_cmd2 mode_cmd;
- struct drm_gem_object *gobj = NULL;
- struct qxl_bo *qbo = NULL;
- int ret;
- int bpp = sizes->surface_bpp;
- int depth = sizes->surface_depth;
- void *shadow;
-
- mode_cmd.width = sizes->surface_width;
- mode_cmd.height = sizes->surface_height;
-
- mode_cmd.pitches[0] = ALIGN(mode_cmd.width * ((bpp + 1) / 8), 64);
- mode_cmd.pixel_format = drm_mode_legacy_fb_format(bpp, depth);
-
- ret = qxlfb_create_pinned_object(qdev, &mode_cmd, &gobj);
- if (ret < 0)
- return ret;
-
- qbo = gem_to_qxl_bo(gobj);
- DRM_DEBUG_DRIVER("%dx%d %d\n", mode_cmd.width,
- mode_cmd.height, mode_cmd.pitches[0]);
-
- shadow = vmalloc(array_size(mode_cmd.pitches[0], mode_cmd.height));
- /* TODO: what's the usual response to memory allocation errors? */
- BUG_ON(!shadow);
- DRM_DEBUG_DRIVER("surface0 at gpu offset %lld, mmap_offset %lld (virt %p, shadow %p)\n",
- qxl_bo_gpu_offset(qbo), qxl_bo_mmap_offset(qbo),
- qbo->kptr, shadow);
-
- info = drm_fb_helper_alloc_fbi(helper);
- if (IS_ERR(info)) {
- ret = PTR_ERR(info);
- goto out_unref;
- }
-
- info->par = helper;
-
- fb = drm_gem_fbdev_fb_create(&qdev->ddev, sizes, 64, gobj,
- &qxlfb_fb_funcs);
- if (IS_ERR(fb)) {
- DRM_ERROR("Failed to create framebuffer: %ld\n", PTR_ERR(fb));
- ret = PTR_ERR(fb);
- goto out_unref;
- }
-
- /* setup helper with fb data */
- qdev->fb_helper.fb = fb;
-
- strcpy(info->fix.id, "qxldrmfb");
-
- drm_fb_helper_fill_fix(info, fb->pitches[0], fb->format->depth);
-
- info->fbops = &qxlfb_ops;
-
- /*
- * TODO: using gobj->size in various places in this function. Not sure
- * what the difference between the different sizes is.
- */
- info->fix.smem_start = qdev->vram_base; /* TODO - correct? */
- info->fix.smem_len = gobj->size;
- info->screen_base = shadow;
- info->screen_size = gobj->size;
-
- drm_fb_helper_fill_var(info, &qdev->fb_helper, sizes->fb_width,
- sizes->fb_height);
-
- /* setup aperture base/size for vesafb takeover */
- info->apertures->ranges[0].base = qdev->ddev.mode_config.fb_base;
- info->apertures->ranges[0].size = qdev->vram_size;
-
- info->fix.mmio_start = 0;
- info->fix.mmio_len = 0;
-
- if (info->screen_base == NULL) {
- ret = -ENOSPC;
- goto out_unref;
- }
-
- /* XXX error handling. */
- drm_fb_helper_defio_init(helper);
-
- DRM_INFO("fb mappable at 0x%lX, size %lu\n", info->fix.smem_start, (unsigned long)info->screen_size);
- DRM_INFO("fb: depth %d, pitch %d, width %d, height %d\n",
- fb->format->depth, fb->pitches[0], fb->width, fb->height);
- return 0;
-
-out_unref:
- if (qbo) {
- qxl_bo_kunmap(qbo);
- qxl_bo_unpin(qbo);
- }
- drm_gem_object_put_unlocked(gobj);
- return ret;
-}
-
-static const struct drm_fb_helper_funcs qxl_fb_helper_funcs = {
- .fb_probe = qxlfb_create,
-};
-
-int qxl_fbdev_init(struct qxl_device *qdev)
-{
- return drm_fb_helper_fbdev_setup(&qdev->ddev, &qdev->fb_helper,
- &qxl_fb_helper_funcs, 32,
- QXLFB_CONN_LIMIT);
-}
-
-void qxl_fbdev_fini(struct qxl_device *qdev)
-{
- struct fb_info *fbi = qdev->fb_helper.fbdev;
- void *shadow = fbi ? fbi->screen_buffer : NULL;
-
- drm_fb_helper_fbdev_teardown(&qdev->ddev);
- vfree(shadow);
-}
projects / mirror_ubuntu-jammy-kernel.git / commitdiff