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authorThomas Hellstrom <thellstrom@vmware.com>2011-11-02 09:43:09 +0100
committerDave Airlie <airlied@redhat.com>2011-11-07 13:14:31 +0000
commit0e708bc5d6403d1a64a0e4155f1b91e318318989 (patch)
tree896ab31125b0e5acc3295a7f7949cdb73bfdbdb9 /drivers/gpu
parentd4528b846ec8ba7ccf3116f1c2157c5e14ba46f3 (diff)
downloadop-kernel-dev-0e708bc5d6403d1a64a0e4155f1b91e318318989.zip
op-kernel-dev-0e708bc5d6403d1a64a0e4155f1b91e318318989.tar.gz
vmwgfx: Remove screen object active list
It isn't used for anything. Replace with an active bool. Also make a couple of functions return void instead of int since their return value wasn't checked anyway. Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Jakbo Bornecrantz <jakob@vmware.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c52
1 files changed, 15 insertions, 37 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
index edfecc7..ea65834 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_scrn.c
@@ -36,8 +36,6 @@
container_of(x, struct vmw_screen_object_unit, base.connector)
struct vmw_screen_object_display {
- struct list_head active;
-
unsigned num_active;
struct vmw_framebuffer *fb;
@@ -53,13 +51,11 @@ struct vmw_screen_object_unit {
struct vmw_dma_buffer *buffer; /**< Backing store buffer */
bool defined;
-
- struct list_head active;
+ bool active;
};
static void vmw_sou_destroy(struct vmw_screen_object_unit *sou)
{
- list_del_init(&sou->active);
vmw_display_unit_cleanup(&sou->base);
kfree(sou);
}
@@ -74,48 +70,31 @@ static void vmw_sou_crtc_destroy(struct drm_crtc *crtc)
vmw_sou_destroy(vmw_crtc_to_sou(crtc));
}
-static int vmw_sou_del_active(struct vmw_private *vmw_priv,
+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 (list_empty(&sou->active))
- return 0;
-
- /* Must init otherwise list_empty(&sou->active) will not work. */
- list_del_init(&sou->active);
- if (--(ld->num_active) == 0)
- ld->fb = NULL;
- return 0;
+ if (sou->active) {
+ if (--(ld->num_active) == 0)
+ ld->fb = NULL;
+ sou->active = false;
+ }
}
-static int vmw_sou_add_active(struct vmw_private *vmw_priv,
+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;
- struct vmw_screen_object_unit *entry;
- struct list_head *at;
BUG_ON(!ld->num_active && ld->fb);
- ld->fb = vfb;
- if (!list_empty(&sou->active))
- return 0;
-
- at = &ld->active;
- list_for_each_entry(entry, &ld->active, active) {
- if (entry->base.unit > sou->base.unit)
- break;
-
- at = &entry->active;
+ if (!sou->active) {
+ ld->fb = vfb;
+ sou->active = true;
+ ld->num_active++;
}
-
- list_add(&sou->active, at);
-
- ld->num_active++;
-
- return 0;
}
/**
@@ -303,7 +282,7 @@ 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 &&
- !list_empty(&sou->active)) &&
+ sou->active) &&
dev_priv->sou_priv->fb != vfb) {
DRM_ERROR("Multiple framebuffers not supported\n");
return -EINVAL;
@@ -460,7 +439,7 @@ static int vmw_sou_init(struct vmw_private *dev_priv, unsigned unit)
encoder = &sou->base.encoder;
connector = &sou->base.connector;
- INIT_LIST_HEAD(&sou->active);
+ sou->active = false;
sou->base.pref_active = (unit == 0);
sou->base.pref_width = 800;
@@ -509,7 +488,6 @@ int vmw_kms_init_screen_object_display(struct vmw_private *dev_priv)
if (unlikely(!dev_priv->sou_priv))
goto err_no_mem;
- INIT_LIST_HEAD(&dev_priv->sou_priv->active);
dev_priv->sou_priv->num_active = 0;
dev_priv->sou_priv->fb = NULL;
@@ -546,7 +524,7 @@ int vmw_kms_close_screen_object_display(struct vmw_private *dev_priv)
drm_vblank_cleanup(dev);
- if (!list_empty(&dev_priv->sou_priv->active))
+ if (dev_priv->sou_priv->num_active > 0)
DRM_ERROR("Still have active outputs when unloading driver");
kfree(dev_priv->sou_priv);
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