diff options
author | Gerd Hoffmann <kraxel@redhat.com> | 2021-02-17 13:32:12 +0100 |
---|---|---|
committer | Gerd Hoffmann <kraxel@redhat.com> | 2021-02-19 09:13:25 +0100 |
commit | b4b27f08f9f96d98040b37905bd9caf6b48b1430 (patch) | |
tree | b7ba7baa6f0493fa9e1e45fcc096f5c17d74561b /drivers/gpu/drm/qxl/qxl_display.c | |
parent | ab422b01e06e4fb4e5036b6eca3bc36903838295 (diff) |
drm/qxl: rework cursor plane
Add helper functions to create and move the cursor.
Create the cursor_bo in prepare_fb callback, in the
atomic_commit callback we only send the update command
to the host.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: http://patchwork.freedesktop.org/patch/msgid/20210217123213.2199186-11-kraxel@redhat.com
Diffstat (limited to 'drivers/gpu/drm/qxl/qxl_display.c')
-rw-r--r-- | drivers/gpu/drm/qxl/qxl_display.c | 248 |
1 files changed, 133 insertions, 115 deletions
diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c index b315d7484e21..4a3d272e8d6c 100644 --- a/drivers/gpu/drm/qxl/qxl_display.c +++ b/drivers/gpu/drm/qxl/qxl_display.c @@ -476,12 +476,11 @@ static int qxl_primary_atomic_check(struct drm_plane *plane, return qxl_check_framebuffer(qdev, bo); } -static int qxl_primary_apply_cursor(struct drm_plane *plane) +static int qxl_primary_apply_cursor(struct qxl_device *qdev, + struct drm_plane_state *plane_state) { - struct drm_device *dev = plane->dev; - struct qxl_device *qdev = to_qxl(dev); - struct drm_framebuffer *fb = plane->state->fb; - struct qxl_crtc *qcrtc = to_qxl_crtc(plane->state->crtc); + struct drm_framebuffer *fb = plane_state->fb; + struct qxl_crtc *qcrtc = to_qxl_crtc(plane_state->crtc); struct qxl_cursor_cmd *cmd; struct qxl_release *release; int ret = 0; @@ -505,8 +504,8 @@ static int qxl_primary_apply_cursor(struct drm_plane *plane) cmd = (struct qxl_cursor_cmd *)qxl_release_map(qdev, release); cmd->type = QXL_CURSOR_SET; - cmd->u.set.position.x = plane->state->crtc_x + fb->hot_x; - cmd->u.set.position.y = plane->state->crtc_y + fb->hot_y; + cmd->u.set.position.x = plane_state->crtc_x + fb->hot_x; + cmd->u.set.position.y = plane_state->crtc_y + fb->hot_y; cmd->u.set.shape = qxl_bo_physical_address(qdev, qcrtc->cursor_bo, 0); @@ -523,6 +522,113 @@ out_free_release: return ret; } +static int qxl_primary_move_cursor(struct qxl_device *qdev, + struct drm_plane_state *plane_state) +{ + struct drm_framebuffer *fb = plane_state->fb; + struct qxl_crtc *qcrtc = to_qxl_crtc(plane_state->crtc); + struct qxl_cursor_cmd *cmd; + struct qxl_release *release; + int ret = 0; + + if (!qcrtc->cursor_bo) + return 0; + + 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_MOVE; + cmd->u.position.x = plane_state->crtc_x + fb->hot_x; + cmd->u.position.y = plane_state->crtc_y + fb->hot_y; + qxl_release_unmap(qdev, release, &cmd->release_info); + + qxl_release_fence_buffer_objects(release); + qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); + return ret; +} + +static struct qxl_bo *qxl_create_cursor(struct qxl_device *qdev, + struct qxl_bo *user_bo, + int hot_x, int hot_y) +{ + static const u32 size = 64 * 64 * 4; + struct qxl_bo *cursor_bo; + struct dma_buf_map cursor_map; + struct dma_buf_map user_map; + struct qxl_cursor cursor; + int ret; + + if (!user_bo) + return NULL; + + ret = qxl_bo_create(qdev, sizeof(struct qxl_cursor) + size, + false, true, QXL_GEM_DOMAIN_VRAM, 1, + NULL, &cursor_bo); + if (ret) + goto err; + + ret = qxl_bo_vmap(cursor_bo, &cursor_map); + if (ret) + goto err_unref; + + ret = qxl_bo_vmap(user_bo, &user_map); + if (ret) + goto err_unmap; + + 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; + if (cursor_map.is_iomem) { + memcpy_toio(cursor_map.vaddr_iomem, + &cursor, sizeof(cursor)); + memcpy_toio(cursor_map.vaddr_iomem + sizeof(cursor), + user_map.vaddr, size); + } else { + memcpy(cursor_map.vaddr, + &cursor, sizeof(cursor)); + memcpy(cursor_map.vaddr + sizeof(cursor), + user_map.vaddr, size); + } + + qxl_bo_vunmap(user_bo); + qxl_bo_vunmap(cursor_bo); + return cursor_bo; + +err_unmap: + qxl_bo_vunmap(cursor_bo); +err_unref: + qxl_bo_unpin(cursor_bo); + qxl_bo_unref(&cursor_bo); +err: + return NULL; +} + +static void qxl_free_cursor(struct qxl_bo *cursor_bo) +{ + if (!cursor_bo) + return; + + qxl_bo_unpin(cursor_bo); + qxl_bo_unref(&cursor_bo); +} + static void qxl_primary_atomic_update(struct drm_plane *plane, struct drm_plane_state *old_state) { @@ -543,7 +649,7 @@ static void qxl_primary_atomic_update(struct drm_plane *plane, if (qdev->primary_bo) qxl_io_destroy_primary(qdev); qxl_io_create_primary(qdev, primary); - qxl_primary_apply_cursor(plane); + qxl_primary_apply_cursor(qdev, plane->state); } if (bo->is_dumb) @@ -574,124 +680,21 @@ static void qxl_primary_atomic_disable(struct drm_plane *plane, static void qxl_cursor_atomic_update(struct drm_plane *plane, struct drm_plane_state *old_state) { - struct drm_device *dev = plane->dev; - struct qxl_device *qdev = to_qxl(dev); + struct qxl_device *qdev = to_qxl(plane->dev); struct drm_framebuffer *fb = plane->state->fb; - struct qxl_crtc *qcrtc = to_qxl_crtc(plane->state->crtc); - struct qxl_release *release; - struct qxl_cursor_cmd *cmd; - struct qxl_cursor *cursor; - struct drm_gem_object *obj; - struct qxl_bo *cursor_bo = NULL, *user_bo = NULL, *old_cursor_bo = NULL; - int ret; - struct dma_buf_map user_map; - struct dma_buf_map cursor_map; - void *user_ptr; - int size = 64*64*4; - - ret = qxl_alloc_release_reserved(qdev, sizeof(*cmd), - QXL_RELEASE_CURSOR_CMD, - &release, NULL); - if (ret) - return; if (fb != old_state->fb) { - obj = fb->obj[0]; - user_bo = gem_to_qxl_bo(obj); - - /* pinning is done in the prepare/cleanup framevbuffer */ - ret = qxl_bo_vmap_locked(user_bo, &user_map); - if (ret) - goto out_free_release; - user_ptr = user_map.vaddr; /* TODO: Use mapping abstraction properly */ - - ret = qxl_alloc_bo_reserved(qdev, release, - sizeof(struct qxl_cursor) + size, - &cursor_bo); - if (ret) - goto out_kunmap; - - ret = qxl_bo_pin(cursor_bo); - if (ret) - goto out_free_bo; - - ret = qxl_release_reserve_list(release, true); - if (ret) - goto out_unpin; - - ret = qxl_bo_vmap_locked(cursor_bo, &cursor_map); - if (ret) - goto out_backoff; - if (cursor_map.is_iomem) /* TODO: Use mapping abstraction properly */ - cursor = (struct qxl_cursor __force *)cursor_map.vaddr_iomem; - else - cursor = (struct qxl_cursor *)cursor_map.vaddr; - - cursor->header.unique = 0; - cursor->header.type = SPICE_CURSOR_TYPE_ALPHA; - cursor->header.width = 64; - cursor->header.height = 64; - cursor->header.hot_spot_x = fb->hot_x; - cursor->header.hot_spot_y = fb->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_vunmap_locked(cursor_bo); - qxl_bo_vunmap_locked(user_bo); - - cmd = (struct qxl_cursor_cmd *) qxl_release_map(qdev, release); - cmd->u.set.visible = 1; - cmd->u.set.shape = qxl_bo_physical_address(qdev, - cursor_bo, 0); - cmd->type = QXL_CURSOR_SET; - - old_cursor_bo = qcrtc->cursor_bo; - qcrtc->cursor_bo = cursor_bo; - cursor_bo = NULL; + qxl_primary_apply_cursor(qdev, plane->state); } else { - - ret = qxl_release_reserve_list(release, true); - if (ret) - goto out_free_release; - - cmd = (struct qxl_cursor_cmd *) qxl_release_map(qdev, release); - cmd->type = QXL_CURSOR_MOVE; + qxl_primary_move_cursor(qdev, plane->state); } - - cmd->u.position.x = plane->state->crtc_x + fb->hot_x; - cmd->u.position.y = plane->state->crtc_y + fb->hot_y; - - qxl_release_unmap(qdev, release, &cmd->release_info); - qxl_release_fence_buffer_objects(release); - qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); - - if (old_cursor_bo != NULL) - qxl_bo_unpin(old_cursor_bo); - qxl_bo_unref(&old_cursor_bo); - qxl_bo_unref(&cursor_bo); - - return; - -out_backoff: - qxl_release_backoff_reserve_list(release); -out_unpin: - qxl_bo_unpin(cursor_bo); -out_free_bo: - qxl_bo_unref(&cursor_bo); -out_kunmap: - qxl_bo_vunmap_locked(user_bo); -out_free_release: - qxl_release_free(qdev, release); - return; - } static void qxl_cursor_atomic_disable(struct drm_plane *plane, struct drm_plane_state *old_state) { struct qxl_device *qdev = to_qxl(plane->dev); + struct qxl_crtc *qcrtc; struct qxl_release *release; struct qxl_cursor_cmd *cmd; int ret; @@ -714,6 +717,10 @@ static void qxl_cursor_atomic_disable(struct drm_plane *plane, qxl_release_fence_buffer_objects(release); qxl_push_cursor_ring_release(qdev, release, QXL_CMD_CURSOR, false); + + qcrtc = to_qxl_crtc(old_state->crtc); + qxl_free_cursor(qcrtc->cursor_bo); + qcrtc->cursor_bo = NULL; } static void qxl_update_dumb_head(struct qxl_device *qdev, @@ -822,6 +829,17 @@ static int qxl_plane_prepare_fb(struct drm_plane *plane, qxl_prepare_shadow(qdev, user_bo, new_state->crtc->index); } + if (plane->type == DRM_PLANE_TYPE_CURSOR && + plane->state->fb != new_state->fb) { + struct qxl_crtc *qcrtc = to_qxl_crtc(new_state->crtc); + struct qxl_bo *old_cursor_bo = qcrtc->cursor_bo; + + qcrtc->cursor_bo = qxl_create_cursor(qdev, user_bo, + new_state->fb->hot_x, + new_state->fb->hot_y); + qxl_free_cursor(old_cursor_bo); + } + return qxl_bo_pin(user_bo); } |