summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/gpu/drm/vkms/vkms_composer.c27
-rw-r--r--drivers/gpu/drm/vkms/vkms_drv.c5
-rw-r--r--drivers/gpu/drm/vkms/vkms_drv.h1
-rw-r--r--drivers/gpu/drm/vkms/vkms_output.c11
-rw-r--r--drivers/gpu/drm/vkms/vkms_plane.c15
5 files changed, 45 insertions, 14 deletions
diff --git a/drivers/gpu/drm/vkms/vkms_composer.c b/drivers/gpu/drm/vkms/vkms_composer.c
index 48b1cf0f4ec8..e49523866e1d 100644
--- a/drivers/gpu/drm/vkms/vkms_composer.c
+++ b/drivers/gpu/drm/vkms/vkms_composer.c
@@ -176,11 +176,12 @@ static void compose_plane(struct vkms_composer *primary_composer,
static int compose_active_planes(void **vaddr_out,
struct vkms_composer *primary_composer,
- struct vkms_composer *cursor_composer)
+ struct vkms_crtc_state *crtc_state)
{
struct drm_framebuffer *fb = &primary_composer->fb;
struct drm_gem_object *gem_obj = drm_gem_fb_get_obj(fb, 0);
struct drm_gem_shmem_object *shmem_obj = to_drm_gem_shmem_obj(gem_obj);
+ int i;
if (!*vaddr_out) {
*vaddr_out = kzalloc(shmem_obj->base.size, GFP_KERNEL);
@@ -195,8 +196,14 @@ static int compose_active_planes(void **vaddr_out,
memcpy(*vaddr_out, shmem_obj->vaddr, shmem_obj->base.size);
- if (cursor_composer)
- compose_plane(primary_composer, cursor_composer, *vaddr_out);
+ /* If there are other planes besides primary, we consider the active
+ * planes should be in z-order and compose them associatively:
+ * ((primary <- overlay) <- cursor)
+ */
+ for (i = 1; i < crtc_state->num_active_planes; i++)
+ compose_plane(primary_composer,
+ crtc_state->active_planes[i]->composer,
+ *vaddr_out);
return 0;
}
@@ -218,7 +225,7 @@ void vkms_composer_worker(struct work_struct *work)
struct drm_crtc *crtc = crtc_state->base.crtc;
struct vkms_output *out = drm_crtc_to_vkms_output(crtc);
struct vkms_composer *primary_composer = NULL;
- struct vkms_composer *cursor_composer = NULL;
+ struct vkms_plane_state *act_plane = NULL;
bool crc_pending, wb_pending;
void *vaddr_out = NULL;
u32 crc32 = 0;
@@ -242,11 +249,11 @@ void vkms_composer_worker(struct work_struct *work)
if (!crc_pending)
return;
- if (crtc_state->num_active_planes >= 1)
- primary_composer = crtc_state->active_planes[0]->composer;
-
- if (crtc_state->num_active_planes == 2)
- cursor_composer = crtc_state->active_planes[1]->composer;
+ if (crtc_state->num_active_planes >= 1) {
+ act_plane = crtc_state->active_planes[0];
+ if (act_plane->base.plane->type == DRM_PLANE_TYPE_PRIMARY)
+ primary_composer = act_plane->composer;
+ }
if (!primary_composer)
return;
@@ -255,7 +262,7 @@ void vkms_composer_worker(struct work_struct *work)
vaddr_out = crtc_state->active_writeback;
ret = compose_active_planes(&vaddr_out, primary_composer,
- cursor_composer);
+ crtc_state);
if (ret) {
if (ret == -EINVAL && !wb_pending)
kfree(vaddr_out);
diff --git a/drivers/gpu/drm/vkms/vkms_drv.c b/drivers/gpu/drm/vkms/vkms_drv.c
index 2173b82606f6..027ffe759440 100644
--- a/drivers/gpu/drm/vkms/vkms_drv.c
+++ b/drivers/gpu/drm/vkms/vkms_drv.c
@@ -44,6 +44,10 @@ static bool enable_writeback = true;
module_param_named(enable_writeback, enable_writeback, bool, 0444);
MODULE_PARM_DESC(enable_writeback, "Enable/Disable writeback connector support");
+static bool enable_overlay;
+module_param_named(enable_overlay, enable_overlay, bool, 0444);
+MODULE_PARM_DESC(enable_overlay, "Enable/Disable overlay support");
+
DEFINE_DRM_GEM_FOPS(vkms_driver_fops);
static void vkms_release(struct drm_device *dev)
@@ -198,6 +202,7 @@ static int __init vkms_init(void)
config->cursor = enable_cursor;
config->writeback = enable_writeback;
+ config->overlay = enable_overlay;
return vkms_create(config);
}
diff --git a/drivers/gpu/drm/vkms/vkms_drv.h b/drivers/gpu/drm/vkms/vkms_drv.h
index 70fb79621617..ac8c9c2fa4ed 100644
--- a/drivers/gpu/drm/vkms/vkms_drv.h
+++ b/drivers/gpu/drm/vkms/vkms_drv.h
@@ -89,6 +89,7 @@ struct vkms_device;
struct vkms_config {
bool writeback;
bool cursor;
+ bool overlay;
/* only set when instantiated */
struct vkms_device *dev;
};
diff --git a/drivers/gpu/drm/vkms/vkms_output.c b/drivers/gpu/drm/vkms/vkms_output.c
index 6979fbc7f821..04406bd3ff02 100644
--- a/drivers/gpu/drm/vkms/vkms_output.c
+++ b/drivers/gpu/drm/vkms/vkms_output.c
@@ -39,7 +39,7 @@ int vkms_output_init(struct vkms_device *vkmsdev, int index)
struct drm_connector *connector = &output->connector;
struct drm_encoder *encoder = &output->encoder;
struct drm_crtc *crtc = &output->crtc;
- struct vkms_plane *primary, *cursor = NULL;
+ struct vkms_plane *primary, *cursor = NULL, *overlay = NULL;
int ret;
int writeback;
@@ -47,6 +47,15 @@ int vkms_output_init(struct vkms_device *vkmsdev, int index)
if (IS_ERR(primary))
return PTR_ERR(primary);
+ if (vkmsdev->config->overlay) {
+ overlay = vkms_plane_init(vkmsdev, DRM_PLANE_TYPE_OVERLAY, index);
+ if (IS_ERR(overlay))
+ return PTR_ERR(overlay);
+
+ if (!overlay->base.possible_crtcs)
+ overlay->base.possible_crtcs = drm_crtc_mask(crtc);
+ }
+
if (vkmsdev->config->cursor) {
cursor = vkms_plane_init(vkmsdev, DRM_PLANE_TYPE_CURSOR, index);
if (IS_ERR(cursor))
diff --git a/drivers/gpu/drm/vkms/vkms_plane.c b/drivers/gpu/drm/vkms/vkms_plane.c
index da4251aff67f..107521ace597 100644
--- a/drivers/gpu/drm/vkms/vkms_plane.c
+++ b/drivers/gpu/drm/vkms/vkms_plane.c
@@ -133,7 +133,7 @@ static int vkms_plane_atomic_check(struct drm_plane *plane,
if (IS_ERR(crtc_state))
return PTR_ERR(crtc_state);
- if (plane->type == DRM_PLANE_TYPE_CURSOR)
+ if (plane->type != DRM_PLANE_TYPE_PRIMARY)
can_position = true;
ret = drm_atomic_helper_check_plane_state(new_plane_state, crtc_state,
@@ -200,14 +200,23 @@ struct vkms_plane *vkms_plane_init(struct vkms_device *vkmsdev,
const u32 *formats;
int nformats;
- if (type == DRM_PLANE_TYPE_CURSOR) {
+ switch (type) {
+ case DRM_PLANE_TYPE_PRIMARY:
+ formats = vkms_formats;
+ nformats = ARRAY_SIZE(vkms_formats);
+ funcs = &vkms_primary_helper_funcs;
+ break;
+ case DRM_PLANE_TYPE_CURSOR:
+ case DRM_PLANE_TYPE_OVERLAY:
formats = vkms_plane_formats;
nformats = ARRAY_SIZE(vkms_plane_formats);
funcs = &vkms_primary_helper_funcs;
- } else {
+ break;
+ default:
formats = vkms_formats;
nformats = ARRAY_SIZE(vkms_formats);
funcs = &vkms_primary_helper_funcs;
+ break;
}
plane = drmm_universal_plane_alloc(dev, struct vkms_plane, base, 1 << index,