drm/vmwgfx: Break out implicit fb code
Preparation for supporting explicit fbs for screen objects and screen
targets.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
index c0de3b8..c11b196 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
@@ -74,19 +74,6 @@
SVGA3dCmdBlitSurfaceToScreen body;
};
-
-/*
- * Other structs.
- */
-
-struct vmw_screen_object_display {
- unsigned num_implicit;
-
- struct vmw_framebuffer *implicit_fb;
- SVGAFifoCmdDefineGMRFB cur;
- struct vmw_dma_buffer *pinned_gmrfb;
-};
-
/**
* Display unit using screen objects.
*/
@@ -97,7 +84,6 @@
struct vmw_dma_buffer *buffer; /**< Backing store buffer */
bool defined;
- bool active_implicit;
};
static void vmw_sou_destroy(struct vmw_screen_object_unit *sou)
@@ -116,33 +102,6 @@
vmw_sou_destroy(vmw_crtc_to_sou(crtc));
}
-static void vmw_sou_del_active(struct vmw_private *vmw_priv,
- struct vmw_screen_object_unit *sou)
-{
- struct vmw_screen_object_display *ld = vmw_priv->sou_priv;
-
- if (sou->active_implicit) {
- if (--(ld->num_implicit) == 0)
- ld->implicit_fb = NULL;
- sou->active_implicit = false;
- }
-}
-
-static void vmw_sou_add_active(struct vmw_private *vmw_priv,
- struct vmw_screen_object_unit *sou,
- struct vmw_framebuffer *vfb)
-{
- struct vmw_screen_object_display *ld = vmw_priv->sou_priv;
-
- BUG_ON(!ld->num_implicit && ld->implicit_fb);
-
- if (!sou->active_implicit && sou->base.is_implicit) {
- ld->implicit_fb = vfb;
- sou->active_implicit = true;
- ld->num_implicit++;
- }
-}
-
/**
* Send the fifo command to create a screen.
*/
@@ -323,13 +282,13 @@
return -EINVAL;
}
- /* sou only supports one fb active at the time */
+ /* Only one active implicit frame-buffer at a time. */
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");
+ dev_priv->implicit_fb && vfb &&
+ !(dev_priv->num_implicit == 1 &&
+ sou->base.active_implicit) &&
+ dev_priv->implicit_fb != vfb) {
+ DRM_ERROR("Multiple implicit framebuffers not supported.\n");
return -EINVAL;
}
@@ -351,7 +310,7 @@
crtc->y = 0;
crtc->enabled = false;
- vmw_sou_del_active(dev_priv, sou);
+ vmw_kms_del_active(dev_priv, &sou->base);
vmw_sou_backing_free(dev_priv, sou);
@@ -415,7 +374,7 @@
return ret;
}
- vmw_sou_add_active(dev_priv, sou, vfb);
+ vmw_kms_add_active(dev_priv, &sou->base, vfb);
connector->encoder = encoder;
encoder->crtc = crtc;
@@ -428,39 +387,6 @@
return 0;
}
-/**
- * Returns if this unit can be page flipped.
- * Must be called with the mode_config mutex held.
- */
-static bool vmw_sou_screen_object_flippable(struct vmw_private *dev_priv,
- struct drm_crtc *crtc)
-{
- struct vmw_screen_object_unit *sou = vmw_crtc_to_sou(crtc);
-
- if (!sou->base.is_implicit)
- return true;
-
- if (dev_priv->sou_priv->num_implicit != 1)
- return false;
-
- return true;
-}
-
-/**
- * Update the implicit fb to the current fb of this crtc.
- * Must be called with the mode_config mutex held.
- */
-static void vmw_sou_update_implicit_fb(struct vmw_private *dev_priv,
- struct drm_crtc *crtc)
-{
- struct vmw_screen_object_unit *sou = vmw_crtc_to_sou(crtc);
-
- BUG_ON(!sou->base.is_implicit);
-
- dev_priv->sou_priv->implicit_fb =
- vmw_framebuffer_to_vfb(sou->base.crtc.primary->fb);
-}
-
static int vmw_sou_crtc_page_flip(struct drm_crtc *crtc,
struct drm_framebuffer *fb,
struct drm_pending_vblank_event *event,
@@ -473,11 +399,7 @@
struct drm_vmw_rect vclips;
int ret;
- /* require ScreenObject support for page flipping */
- if (!dev_priv->sou_priv)
- return -ENOSYS;
-
- if (!vmw_sou_screen_object_flippable(dev_priv, crtc))
+ if (!vmw_kms_crtc_flippable(dev_priv, crtc))
return -EINVAL;
crtc->primary->fb = fb;
@@ -522,7 +444,7 @@
vmw_fence_obj_unreference(&fence);
if (vmw_crtc_to_du(crtc)->is_implicit)
- vmw_sou_update_implicit_fb(dev_priv, crtc);
+ vmw_kms_update_implicit_fb(dev_priv, crtc);
return ret;
@@ -587,8 +509,7 @@
encoder = &sou->base.encoder;
connector = &sou->base.connector;
- sou->active_implicit = false;
-
+ sou->base.active_implicit = false;
sou->base.pref_active = (unit == 0);
sou->base.pref_width = dev_priv->initial_width;
sou->base.pref_height = dev_priv->initial_height;
@@ -623,11 +544,6 @@
struct drm_device *dev = dev_priv->dev;
int i, ret;
- if (dev_priv->sou_priv) {
- DRM_INFO("sou system already on\n");
- return -EINVAL;
- }
-
if (!(dev_priv->capabilities & SVGA_CAP_SCREEN_OBJECT_2)) {
DRM_INFO("Not using screen objects,"
" missing cap SCREEN_OBJECT_2\n");
@@ -635,16 +551,12 @@
}
ret = -ENOMEM;
- dev_priv->sou_priv = kmalloc(sizeof(*dev_priv->sou_priv), GFP_KERNEL);
- if (unlikely(!dev_priv->sou_priv))
- goto err_no_mem;
-
- dev_priv->sou_priv->num_implicit = 0;
- dev_priv->sou_priv->implicit_fb = NULL;
+ dev_priv->num_implicit = 0;
+ dev_priv->implicit_fb = NULL;
ret = drm_vblank_init(dev, VMWGFX_NUM_DISPLAY_UNITS);
if (unlikely(ret != 0))
- goto err_free;
+ return ret;
ret = drm_mode_create_dirty_info_property(dev);
if (unlikely(ret != 0))
@@ -661,10 +573,6 @@
err_vblank_cleanup:
drm_vblank_cleanup(dev);
-err_free:
- kfree(dev_priv->sou_priv);
- dev_priv->sou_priv = NULL;
-err_no_mem:
return ret;
}
@@ -672,13 +580,8 @@
{
struct drm_device *dev = dev_priv->dev;
- if (!dev_priv->sou_priv)
- return -ENOSYS;
-
drm_vblank_cleanup(dev);
- kfree(dev_priv->sou_priv);
-
return 0;
}