From: Gerd Hoffmann <kraxel@redhat.com> To: dri-devel@lists.freedesktop.org Cc: Gurchetan Singh <gurchetansingh@chromium.org>, Gerd Hoffmann <kraxel@redhat.com>, David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>, virtualization@lists.linux-foundation.org (open list:VIRTIO GPU DRIVER), linux-kernel@vger.kernel.org (open list) Subject: [PATCH 4/5] drm/virtio: Simplify virtio_gpu_primary_plane_update workflow. Date: Tue, 22 Oct 2019 10:05:45 +0200 [thread overview] Message-ID: <20191022080546.19769-5-kraxel@redhat.com> (raw) In-Reply-To: <20191022080546.19769-1-kraxel@redhat.com> Return early for the no framebuffer (or disabled output) case. Results in a simpler code flow for the remaining cases. No functional change. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> --- drivers/gpu/drm/virtio/virtgpu_plane.c | 62 ++++++++++++++------------ 1 file changed, 33 insertions(+), 29 deletions(-) diff --git a/drivers/gpu/drm/virtio/virtgpu_plane.c b/drivers/gpu/drm/virtio/virtgpu_plane.c index 390524143139..0b5a760bc293 100644 --- a/drivers/gpu/drm/virtio/virtgpu_plane.c +++ b/drivers/gpu/drm/virtio/virtgpu_plane.c @@ -110,7 +110,6 @@ static void virtio_gpu_primary_plane_update(struct drm_plane *plane, struct virtio_gpu_output *output = NULL; struct virtio_gpu_framebuffer *vgfb; struct virtio_gpu_object *bo; - uint32_t handle; if (plane->state->crtc) output = drm_crtc_to_virtio_gpu_output(plane->state->crtc); @@ -119,47 +118,52 @@ static void virtio_gpu_primary_plane_update(struct drm_plane *plane, if (WARN_ON(!output)) return; - if (plane->state->fb && output->enabled) { - vgfb = to_virtio_gpu_framebuffer(plane->state->fb); - bo = gem_to_virtio_gpu_obj(vgfb->base.obj[0]); - handle = bo->hw_res_handle; - if (bo->dumb) { - struct virtio_gpu_object_array *objs; + if (!plane->state->fb || !output->enabled) { + DRM_DEBUG("nofb\n"); + virtio_gpu_cmd_set_scanout(vgdev, output->index, 0, + plane->state->src_w >> 16, + plane->state->src_h >> 16, + 0, 0); + return; + } + + vgfb = to_virtio_gpu_framebuffer(plane->state->fb); + bo = gem_to_virtio_gpu_obj(vgfb->base.obj[0]); + if (bo->dumb) { + struct virtio_gpu_object_array *objs; - objs = virtio_gpu_array_alloc(1); - if (!objs) - return; - virtio_gpu_array_add_obj(objs, vgfb->base.obj[0]); - virtio_gpu_cmd_transfer_to_host_2d - (vgdev, 0, - plane->state->src_w >> 16, - plane->state->src_h >> 16, - plane->state->src_x >> 16, - plane->state->src_y >> 16, - objs, NULL); - } - } else { - handle = 0; + objs = virtio_gpu_array_alloc(1); + if (!objs) + return; + virtio_gpu_array_add_obj(objs, vgfb->base.obj[0]); + virtio_gpu_cmd_transfer_to_host_2d + (vgdev, 0, + plane->state->src_w >> 16, + plane->state->src_h >> 16, + plane->state->src_x >> 16, + plane->state->src_y >> 16, + objs, NULL); } - DRM_DEBUG("handle 0x%x, crtc %dx%d+%d+%d, src %dx%d+%d+%d\n", handle, + DRM_DEBUG("handle 0x%x, crtc %dx%d+%d+%d, src %dx%d+%d+%d\n", + bo->hw_res_handle, plane->state->crtc_w, plane->state->crtc_h, plane->state->crtc_x, plane->state->crtc_y, plane->state->src_w >> 16, plane->state->src_h >> 16, plane->state->src_x >> 16, plane->state->src_y >> 16); - virtio_gpu_cmd_set_scanout(vgdev, output->index, handle, + virtio_gpu_cmd_set_scanout(vgdev, output->index, + bo->hw_res_handle, plane->state->src_w >> 16, plane->state->src_h >> 16, plane->state->src_x >> 16, plane->state->src_y >> 16); - if (handle) - virtio_gpu_cmd_resource_flush(vgdev, handle, - plane->state->src_x >> 16, - plane->state->src_y >> 16, - plane->state->src_w >> 16, - plane->state->src_h >> 16); + virtio_gpu_cmd_resource_flush(vgdev, bo->hw_res_handle, + plane->state->src_x >> 16, + plane->state->src_y >> 16, + plane->state->src_w >> 16, + plane->state->src_h >> 16); } static int virtio_gpu_cursor_prepare_fb(struct drm_plane *plane, -- 2.18.1
WARNING: multiple messages have this Message-ID (diff)
From: Gerd Hoffmann <kraxel@redhat.com> To: dri-devel@lists.freedesktop.org Cc: Gurchetan Singh <gurchetansingh@chromium.org>, Gerd Hoffmann <kraxel@redhat.com>, David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>, "open list:VIRTIO GPU DRIVER" <virtualization@lists.linux-foundation.org>, open list <linux-kernel@vger.kernel.org> Subject: [PATCH 4/5] drm/virtio: Simplify virtio_gpu_primary_plane_update workflow. Date: Tue, 22 Oct 2019 10:05:45 +0200 [thread overview] Message-ID: <20191022080546.19769-5-kraxel@redhat.com> (raw) In-Reply-To: <20191022080546.19769-1-kraxel@redhat.com> Return early for the no framebuffer (or disabled output) case. Results in a simpler code flow for the remaining cases. No functional change. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> --- drivers/gpu/drm/virtio/virtgpu_plane.c | 62 ++++++++++++++------------ 1 file changed, 33 insertions(+), 29 deletions(-) diff --git a/drivers/gpu/drm/virtio/virtgpu_plane.c b/drivers/gpu/drm/virtio/virtgpu_plane.c index 390524143139..0b5a760bc293 100644 --- a/drivers/gpu/drm/virtio/virtgpu_plane.c +++ b/drivers/gpu/drm/virtio/virtgpu_plane.c @@ -110,7 +110,6 @@ static void virtio_gpu_primary_plane_update(struct drm_plane *plane, struct virtio_gpu_output *output = NULL; struct virtio_gpu_framebuffer *vgfb; struct virtio_gpu_object *bo; - uint32_t handle; if (plane->state->crtc) output = drm_crtc_to_virtio_gpu_output(plane->state->crtc); @@ -119,47 +118,52 @@ static void virtio_gpu_primary_plane_update(struct drm_plane *plane, if (WARN_ON(!output)) return; - if (plane->state->fb && output->enabled) { - vgfb = to_virtio_gpu_framebuffer(plane->state->fb); - bo = gem_to_virtio_gpu_obj(vgfb->base.obj[0]); - handle = bo->hw_res_handle; - if (bo->dumb) { - struct virtio_gpu_object_array *objs; + if (!plane->state->fb || !output->enabled) { + DRM_DEBUG("nofb\n"); + virtio_gpu_cmd_set_scanout(vgdev, output->index, 0, + plane->state->src_w >> 16, + plane->state->src_h >> 16, + 0, 0); + return; + } + + vgfb = to_virtio_gpu_framebuffer(plane->state->fb); + bo = gem_to_virtio_gpu_obj(vgfb->base.obj[0]); + if (bo->dumb) { + struct virtio_gpu_object_array *objs; - objs = virtio_gpu_array_alloc(1); - if (!objs) - return; - virtio_gpu_array_add_obj(objs, vgfb->base.obj[0]); - virtio_gpu_cmd_transfer_to_host_2d - (vgdev, 0, - plane->state->src_w >> 16, - plane->state->src_h >> 16, - plane->state->src_x >> 16, - plane->state->src_y >> 16, - objs, NULL); - } - } else { - handle = 0; + objs = virtio_gpu_array_alloc(1); + if (!objs) + return; + virtio_gpu_array_add_obj(objs, vgfb->base.obj[0]); + virtio_gpu_cmd_transfer_to_host_2d + (vgdev, 0, + plane->state->src_w >> 16, + plane->state->src_h >> 16, + plane->state->src_x >> 16, + plane->state->src_y >> 16, + objs, NULL); } - DRM_DEBUG("handle 0x%x, crtc %dx%d+%d+%d, src %dx%d+%d+%d\n", handle, + DRM_DEBUG("handle 0x%x, crtc %dx%d+%d+%d, src %dx%d+%d+%d\n", + bo->hw_res_handle, plane->state->crtc_w, plane->state->crtc_h, plane->state->crtc_x, plane->state->crtc_y, plane->state->src_w >> 16, plane->state->src_h >> 16, plane->state->src_x >> 16, plane->state->src_y >> 16); - virtio_gpu_cmd_set_scanout(vgdev, output->index, handle, + virtio_gpu_cmd_set_scanout(vgdev, output->index, + bo->hw_res_handle, plane->state->src_w >> 16, plane->state->src_h >> 16, plane->state->src_x >> 16, plane->state->src_y >> 16); - if (handle) - virtio_gpu_cmd_resource_flush(vgdev, handle, - plane->state->src_x >> 16, - plane->state->src_y >> 16, - plane->state->src_w >> 16, - plane->state->src_h >> 16); + virtio_gpu_cmd_resource_flush(vgdev, bo->hw_res_handle, + plane->state->src_x >> 16, + plane->state->src_y >> 16, + plane->state->src_w >> 16, + plane->state->src_h >> 16); } static int virtio_gpu_cursor_prepare_fb(struct drm_plane *plane, -- 2.18.1
next prev parent reply other threads:[~2019-10-22 8:05 UTC|newest] Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-10-22 8:05 [PATCH 0/5] drm/virtio: various cleanups Gerd Hoffmann 2019-10-22 8:05 ` [PATCH 1/5] drm/virtio: print a single line with device features Gerd Hoffmann 2019-10-22 8:05 ` Gerd Hoffmann 2019-10-22 8:05 ` Gerd Hoffmann 2019-10-22 8:05 ` [PATCH 2/5] drm/virtio: move byteorder handling into virtio_gpu_cmd_transfer_to_host_2d function Gerd Hoffmann 2019-10-22 8:05 ` Gerd Hoffmann 2019-10-22 8:05 ` Gerd Hoffmann 2019-10-22 8:05 ` [PATCH 3/5] drm/virtio: fix byteorder handling in virtio_gpu_cmd_transfer_{from, to}_host_3d functions Gerd Hoffmann 2019-10-22 8:05 ` [PATCH 3/5] drm/virtio: fix byteorder handling in virtio_gpu_cmd_transfer_{from,to}_host_3d functions Gerd Hoffmann 2019-10-22 8:05 ` Gerd Hoffmann 2019-10-22 8:05 ` [PATCH 4/5] drm/virtio: Simplify virtio_gpu_primary_plane_update workflow Gerd Hoffmann 2019-10-22 8:05 ` Gerd Hoffmann [this message] 2019-10-22 8:05 ` Gerd Hoffmann 2019-10-22 8:05 ` [PATCH 5/5] drm/virtio: factor out virtio_gpu_update_dumb_bo Gerd Hoffmann 2019-10-22 8:05 ` Gerd Hoffmann 2019-10-22 8:05 ` Gerd Hoffmann
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