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authorDave Airlie <airlied@redhat.com>2008-11-28 07:22:24 +0300
committerDave Airlie <airlied@linux.ie>2008-12-29 10:47:22 +0300
commit7c1c2871a6a3a114853ec6836e9035ac1c0c7f7a (patch)
tree1b5debcc86ff20bd5e11b42ea5c52da42214e376 /drivers/gpu/drm/radeon/radeon_drv.h
parente7f7ab45ebcb54fd5f814ea15ea079e079662f67 (diff)
downloadlinux-7c1c2871a6a3a114853ec6836e9035ac1c0c7f7a.tar.xz
drm: move to kref per-master structures.
This is step one towards having multiple masters sharing a drm device in order to get fast-user-switching to work. It splits out the information associated with the drm master into a separate kref counted structure, and allocates this when a master opens the device node. It also allows the current master to abdicate (say while VT switched), and a new master to take over the hardware. It moves the Intel and radeon drivers to using the sarea from within the new master structures. Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_drv.h')
-rw-r--r--drivers/gpu/drm/radeon/radeon_drv.h14
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_drv.h b/drivers/gpu/drm/radeon/radeon_drv.h
index 3bbb871b25d5..490bc7ceef60 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.h
+++ b/drivers/gpu/drm/radeon/radeon_drv.h
@@ -226,9 +226,13 @@ struct radeon_virt_surface {
#define RADEON_FLUSH_EMITED (1 < 0)
#define RADEON_PURGE_EMITED (1 < 1)
+struct drm_radeon_master_private {
+ drm_local_map_t *sarea;
+ drm_radeon_sarea_t *sarea_priv;
+};
+
typedef struct drm_radeon_private {
drm_radeon_ring_buffer_t ring;
- drm_radeon_sarea_t *sarea_priv;
u32 fb_location;
u32 fb_size;
@@ -409,6 +413,9 @@ extern int radeon_driver_open(struct drm_device *dev,
extern long radeon_compat_ioctl(struct file *filp, unsigned int cmd,
unsigned long arg);
+extern int radeon_master_create(struct drm_device *dev, struct drm_master *master);
+extern void radeon_master_destroy(struct drm_device *dev, struct drm_master *master);
+extern void radeon_cp_dispatch_flip(struct drm_device *dev, struct drm_master *master);
/* r300_cmdbuf.c */
extern void r300_init_reg_flags(struct drm_device *dev);
@@ -1335,8 +1342,9 @@ do { \
} while (0)
#define VB_AGE_TEST_WITH_RETURN( dev_priv ) \
-do { \
- drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv; \
+do { \
+ struct drm_radeon_master_private *master_priv = file_priv->master->driver_priv; \
+ drm_radeon_sarea_t *sarea_priv = master_priv->sarea_priv; \
if ( sarea_priv->last_dispatch >= RADEON_MAX_VB_AGE ) { \
int __ret = radeon_do_cp_idle( dev_priv ); \
if ( __ret ) return __ret; \