From mboxrd@z Thu Jan 1 00:00:00 1970 From: Gerd Hoffmann Subject: [PATCH v3 13/23] drm/qxl: use shadow bo directly Date: Fri, 18 Jan 2019 13:20:10 +0100 Message-ID: <20190118122020.27596-14-kraxel__3820.69170377708$1547814010$gmane$org@redhat.com> References: <20190118122020.27596-1-kraxel@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20190118122020.27596-1-kraxel@redhat.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: virtualization-bounces@lists.linux-foundation.org Errors-To: virtualization-bounces@lists.linux-foundation.org To: dri-devel@lists.freedesktop.org Cc: David Airlie , open list , "open list:DRM DRIVER FOR QXL VIRTUAL GPU" , Daniel Vetter , "open list:DRM DRIVER FOR QXL VIRTUAL GPU" , Dave Airlie List-Id: virtualization@lists.linuxfoundation.org Pass the shadow bo to qxl_io_create_primary() instead of expecting qxl_io_create_primary to check bo->shadow. Set is_primary flag on the shadow bo. Move the is_primary tracking into qxl_io_create_primary() and qxl_io_destroy_primary() functions. That simplifies primary surface tracking and the workflow in qxl_primary_atomic_update(). Signed-off-by: Gerd Hoffmann qxl_io_create/destroy_primary: primary_bo tracking [fixup] --- drivers/gpu/drm/qxl/qxl_cmd.c | 10 +++++----- drivers/gpu/drm/qxl/qxl_display.c | 33 +++++++++++---------------------- 2 files changed, 16 insertions(+), 27 deletions(-) diff --git a/drivers/gpu/drm/qxl/qxl_cmd.c b/drivers/gpu/drm/qxl/qxl_cmd.c index 8e64127259..0a2e51af12 100644 --- a/drivers/gpu/drm/qxl/qxl_cmd.c +++ b/drivers/gpu/drm/qxl/qxl_cmd.c @@ -374,6 +374,8 @@ void qxl_io_flush_surfaces(struct qxl_device *qdev) void qxl_io_destroy_primary(struct qxl_device *qdev) { wait_for_io_cmd(qdev, 0, QXL_IO_DESTROY_PRIMARY_ASYNC); + qdev->primary_bo->is_primary = false; + drm_gem_object_put_unlocked(&qdev->primary_bo->gem_base); qdev->primary_bo = NULL; } @@ -390,11 +392,7 @@ void qxl_io_create_primary(struct qxl_device *qdev, struct qxl_bo *bo) create->width = bo->surf.width; create->height = bo->surf.height; create->stride = bo->surf.stride; - if (bo->shadow) { - create->mem = qxl_bo_physical_address(qdev, bo->shadow, 0); - } else { - create->mem = qxl_bo_physical_address(qdev, bo, 0); - } + create->mem = qxl_bo_physical_address(qdev, bo, 0); DRM_DEBUG_DRIVER("mem = %llx, from %p\n", create->mem, bo->kptr); @@ -403,6 +401,8 @@ void qxl_io_create_primary(struct qxl_device *qdev, struct qxl_bo *bo) wait_for_io_cmd(qdev, 0, QXL_IO_CREATE_PRIMARY_ASYNC); qdev->primary_bo = bo; + qdev->primary_bo->is_primary = true; + drm_gem_object_get(&qdev->primary_bo->gem_base); } void qxl_io_memslot_add(struct qxl_device *qdev, uint8_t id) diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c index d3215eac9b..ff13bc6a4a 100644 --- a/drivers/gpu/drm/qxl/qxl_display.c +++ b/drivers/gpu/drm/qxl/qxl_display.c @@ -401,13 +401,15 @@ static int qxl_framebuffer_surface_dirty(struct drm_framebuffer *fb, struct qxl_device *qdev = fb->dev->dev_private; struct drm_clip_rect norect; struct qxl_bo *qobj; + bool is_primary; int inc = 1; drm_modeset_lock_all(fb->dev); qobj = gem_to_qxl_bo(fb->obj[0]); /* if we aren't primary surface ignore this */ - if (!qobj->is_primary) { + is_primary = qobj->shadow ? qobj->shadow->is_primary : qobj->is_primary; + if (!is_primary) { drm_modeset_unlock_all(fb->dev); return 0; } @@ -526,14 +528,13 @@ static void qxl_primary_atomic_update(struct drm_plane *plane, { struct qxl_device *qdev = plane->dev->dev_private; struct qxl_bo *bo = gem_to_qxl_bo(plane->state->fb->obj[0]); - struct qxl_bo *bo_old; + struct qxl_bo *bo_old, *primary; struct drm_clip_rect norect = { .x1 = 0, .y1 = 0, .x2 = plane->state->fb->width, .y2 = plane->state->fb->height }; - bool same_shadow = false; if (old_state->fb) { bo_old = gem_to_qxl_bo(old_state->fb->obj[0]); @@ -541,26 +542,13 @@ static void qxl_primary_atomic_update(struct drm_plane *plane, bo_old = NULL; } - if (bo == bo_old) - return; + primary = bo->shadow ? bo->shadow : bo; - if (bo_old && bo_old->shadow && bo->shadow && - bo_old->shadow == bo->shadow) { - same_shadow = true; - } - - if (bo_old && bo_old->is_primary) { - if (!same_shadow) + if (!primary->is_primary) { + if (qdev->primary_bo) qxl_io_destroy_primary(qdev); - bo_old->is_primary = false; - } - - if (!bo->is_primary) { - if (!same_shadow) { - qxl_io_create_primary(qdev, bo); - qxl_primary_apply_cursor(plane); - } - bo->is_primary = true; + qxl_io_create_primary(qdev, primary); + qxl_primary_apply_cursor(plane); } qxl_draw_dirty_fb(qdev, plane->state->fb, bo, 0, 0, &norect, 1, 1); @@ -756,6 +744,7 @@ static int qxl_plane_prepare_fb(struct drm_plane *plane, qxl_bo_create(qdev, user_bo->gem_base.size, true, true, QXL_GEM_DOMAIN_SURFACE, NULL, &user_bo->shadow); + user_bo->shadow->surf = user_bo->surf; } } @@ -784,7 +773,7 @@ static void qxl_plane_cleanup_fb(struct drm_plane *plane, user_bo = gem_to_qxl_bo(obj); qxl_bo_unpin(user_bo); - if (user_bo->shadow && !user_bo->is_primary) { + if (user_bo->shadow && !user_bo->shadow->is_primary) { drm_gem_object_put_unlocked(&user_bo->shadow->gem_base); user_bo->shadow = NULL; } -- 2.9.3