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authorThomas Hellstrom <thellstrom@vmware.com>2011-11-02 09:43:11 +0100
committerDave Airlie <airlied@redhat.com>2011-11-07 13:15:18 +0000
commit6987427a3953c5038dc14d2a090b5a6c93669428 (patch)
tree9e97ef3e0f57aead819845961cb6b892df0ac4e6
parent1543b4dd0c4b63975ffdadccd67c3a8805f28814 (diff)
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vmwgfx: Infrastructure for explicit placement
Make it possible to use explicit placement (although not hooked up with a user-space interface yet) and relax the single framebuffer limit to only apply to implicit placement. Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Jakob Bornecrantz <jakob@vmware.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_kms.h1
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c1
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c52
3 files changed, 30 insertions, 24 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h
index 815cf99ce06..af8e6e5bd96 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_kms.h
@@ -102,6 +102,7 @@ struct vmw_display_unit {
*/
int gui_x;
int gui_y;
+ bool is_implicit;
};
#define vmw_crtc_to_du(x) \
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
index bbfe3819491..90c5e392849 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c
@@ -337,6 +337,7 @@ static int vmw_ldu_init(struct vmw_private *dev_priv, unsigned unit)
ldu->base.pref_width = 800;
ldu->base.pref_height = 600;
ldu->base.pref_mode = NULL;
+ ldu->base.is_implicit = true;
drm_connector_init(dev, connector, &vmw_legacy_connector_funcs,
DRM_MODE_CONNECTOR_VIRTUAL);
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
index ea6583433a1..4defdcf1c72 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
@@ -36,9 +36,9 @@
container_of(x, struct vmw_screen_object_unit, base.connector)
struct vmw_screen_object_display {
- unsigned num_active;
+ unsigned num_implicit;
- struct vmw_framebuffer *fb;
+ struct vmw_framebuffer *implicit_fb;
};
/**
@@ -51,7 +51,7 @@ struct vmw_screen_object_unit {
struct vmw_dma_buffer *buffer; /**< Backing store buffer */
bool defined;
- bool active;
+ bool active_implicit;
};
static void vmw_sou_destroy(struct vmw_screen_object_unit *sou)
@@ -75,10 +75,10 @@ static void vmw_sou_del_active(struct vmw_private *vmw_priv,
{
struct vmw_screen_object_display *ld = vmw_priv->sou_priv;
- if (sou->active) {
- if (--(ld->num_active) == 0)
- ld->fb = NULL;
- sou->active = false;
+ if (sou->active_implicit) {
+ if (--(ld->num_implicit) == 0)
+ ld->implicit_fb = NULL;
+ sou->active_implicit = false;
}
}
@@ -88,12 +88,12 @@ static void vmw_sou_add_active(struct vmw_private *vmw_priv,
{
struct vmw_screen_object_display *ld = vmw_priv->sou_priv;
- BUG_ON(!ld->num_active && ld->fb);
+ BUG_ON(!ld->num_implicit && ld->implicit_fb);
- if (!sou->active) {
- ld->fb = vfb;
- sou->active = true;
- ld->num_active++;
+ if (!sou->active_implicit && sou->base.is_implicit) {
+ ld->implicit_fb = vfb;
+ sou->active_implicit = true;
+ ld->num_implicit++;
}
}
@@ -132,8 +132,13 @@ static int vmw_sou_fifo_create(struct vmw_private *dev_priv,
(sou->base.unit == 0 ? SVGA_SCREEN_IS_PRIMARY : 0);
cmd->obj.size.width = mode->hdisplay;
cmd->obj.size.height = mode->vdisplay;
- cmd->obj.root.x = x;
- cmd->obj.root.y = y;
+ if (sou->base.is_implicit) {
+ cmd->obj.root.x = x;
+ cmd->obj.root.y = y;
+ } else {
+ cmd->obj.root.x = sou->base.gui_x;
+ cmd->obj.root.y = sou->base.gui_y;
+ }
/* Ok to assume that buffer is pinned in vram */
vmw_bo_get_guest_ptr(&sou->buffer->base, &cmd->obj.backingStore.ptr);
@@ -280,10 +285,11 @@ static int vmw_sou_crtc_set_config(struct drm_mode_set *set)
}
/* sou only supports one fb active at the time */
- if (dev_priv->sou_priv->fb && vfb &&
- !(dev_priv->sou_priv->num_active == 1 &&
- sou->active) &&
- dev_priv->sou_priv->fb != vfb) {
+ if (sou->base.is_implicit &&
+ dev_priv->sou_priv->implicit_fb && vfb &&
+ !(dev_priv->sou_priv->num_implicit == 1 &&
+ sou->active_implicit) &&
+ dev_priv->sou_priv->implicit_fb != vfb) {
DRM_ERROR("Multiple framebuffers not supported\n");
return -EINVAL;
}
@@ -439,12 +445,13 @@ static int vmw_sou_init(struct vmw_private *dev_priv, unsigned unit)
encoder = &sou->base.encoder;
connector = &sou->base.connector;
- sou->active = false;
+ sou->active_implicit = false;
sou->base.pref_active = (unit == 0);
sou->base.pref_width = 800;
sou->base.pref_height = 600;
sou->base.pref_mode = NULL;
+ sou->base.is_implicit = true;
drm_connector_init(dev, connector, &vmw_legacy_connector_funcs,
DRM_MODE_CONNECTOR_VIRTUAL);
@@ -488,8 +495,8 @@ int vmw_kms_init_screen_object_display(struct vmw_private *dev_priv)
if (unlikely(!dev_priv->sou_priv))
goto err_no_mem;
- dev_priv->sou_priv->num_active = 0;
- dev_priv->sou_priv->fb = NULL;
+ dev_priv->sou_priv->num_implicit = 0;
+ dev_priv->sou_priv->implicit_fb = NULL;
ret = drm_vblank_init(dev, VMWGFX_NUM_DISPLAY_UNITS);
if (unlikely(ret != 0))
@@ -524,9 +531,6 @@ int vmw_kms_close_screen_object_display(struct vmw_private *dev_priv)
drm_vblank_cleanup(dev);
- if (dev_priv->sou_priv->num_active > 0)
- DRM_ERROR("Still have active outputs when unloading driver");
-
kfree(dev_priv->sou_priv);
return 0;