drm: move to kref per-master structures.

[linux-2.6-omap-h63xx.git] / drivers / gpu / drm / radeon / radeon_cp.c

diff --git a/drivers/gpu/drm/radeon/radeon_cp.c b/drivers/gpu/drm/radeon/radeon_cp.c
index dcebb4bee7aaf9e0e845db50296798f76686d1a6..7b37a49063775332dd88daa738517c9fbdfb4305 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_cp.c
+++ b/drivers/gpu/drm/radeon/radeon_cp.c
@@ -31,6 +31,7 @@
 
 #include "drmP.h"
 #include "drm.h"
+#include "drm_sarea.h"
 #include "radeon_drm.h"
 #include "radeon_drv.h"
 #include "r300_reg.h"
@@ -667,15 +668,14 @@ static void radeon_cp_init_ring_buffer(struct drm_device * dev,
                RADEON_WRITE(RADEON_BUS_CNTL, tmp);
        } /* PCIE cards appears to not need this */
 
-       dev_priv->sarea_priv->last_frame = dev_priv->scratch[0] = 0;
-       RADEON_WRITE(RADEON_LAST_FRAME_REG, dev_priv->sarea_priv->last_frame);
+       dev_priv->scratch[0] = 0;
+       RADEON_WRITE(RADEON_LAST_FRAME_REG, 0);
 
-       dev_priv->sarea_priv->last_dispatch = dev_priv->scratch[1] = 0;
-       RADEON_WRITE(RADEON_LAST_DISPATCH_REG,
-                    dev_priv->sarea_priv->last_dispatch);
+       dev_priv->scratch[1] = 0;
+       RADEON_WRITE(RADEON_LAST_DISPATCH_REG, 0);
 
-       dev_priv->sarea_priv->last_clear = dev_priv->scratch[2] = 0;
-       RADEON_WRITE(RADEON_LAST_CLEAR_REG, dev_priv->sarea_priv->last_clear);
+       dev_priv->scratch[2] = 0;
+       RADEON_WRITE(RADEON_LAST_CLEAR_REG, 0);
 
        radeon_do_wait_for_idle(dev_priv);
 
@@ -871,9 +871,11 @@ static void radeon_set_pcigart(drm_radeon_private_t * dev_priv, int on)
        }
 }
 
-static int radeon_do_init_cp(struct drm_device * dev, drm_radeon_init_t * init)
+static int radeon_do_init_cp(struct drm_device *dev, drm_radeon_init_t *init,
+                            struct drm_file *file_priv)
 {
        drm_radeon_private_t *dev_priv = dev->dev_private;
+       struct drm_radeon_master_private *master_priv = file_priv->master->driver_priv;
 
        DRM_DEBUG("\n");
 
@@ -998,8 +1000,8 @@ static int radeon_do_init_cp(struct drm_device * dev, drm_radeon_init_t * init)
        dev_priv->buffers_offset = init->buffers_offset;
        dev_priv->gart_textures_offset = init->gart_textures_offset;
 
-       dev_priv->sarea = drm_getsarea(dev);
-       if (!dev_priv->sarea) {
+       master_priv->sarea = drm_getsarea(dev);
+       if (!master_priv->sarea) {
                DRM_ERROR("could not find sarea!\n");
                radeon_do_cleanup_cp(dev);
                return -EINVAL;
@@ -1035,10 +1037,6 @@ static int radeon_do_init_cp(struct drm_device * dev, drm_radeon_init_t * init)
                }
        }
 
-       dev_priv->sarea_priv =
-           (drm_radeon_sarea_t *) ((u8 *) dev_priv->sarea->handle +
-                                   init->sarea_priv_offset);
-
 #if __OS_HAS_AGP
        if (dev_priv->flags & RADEON_IS_AGP) {
                drm_core_ioremap(dev_priv->cp_ring, dev);
@@ -1329,7 +1327,7 @@ int radeon_cp_init(struct drm_device *dev, void *data, struct drm_file *file_pri
        case RADEON_INIT_CP:
        case RADEON_INIT_R200_CP:
        case RADEON_INIT_R300_CP:
-               return radeon_do_init_cp(dev, init);
+               return radeon_do_init_cp(dev, init, file_priv);
        case RADEON_CLEANUP_CP:
                return radeon_do_cleanup_cp(dev);
        }
@@ -1768,6 +1766,51 @@ int radeon_driver_load(struct drm_device *dev, unsigned long flags)
        return ret;
 }
 
+int radeon_master_create(struct drm_device *dev, struct drm_master *master)
+{
+       struct drm_radeon_master_private *master_priv;
+       unsigned long sareapage;
+       int ret;
+
+       master_priv = drm_calloc(1, sizeof(*master_priv), DRM_MEM_DRIVER);
+       if (!master_priv)
+               return -ENOMEM;
+
+       /* prebuild the SAREA */
+       sareapage = max(SAREA_MAX, PAGE_SIZE);
+       ret = drm_addmap(dev, 0, sareapage, _DRM_SHM, _DRM_CONTAINS_LOCK|_DRM_DRIVER,
+                        &master_priv->sarea);
+       if (ret) {
+               DRM_ERROR("SAREA setup failed\n");
+               return ret;
+       }
+       master_priv->sarea_priv = master_priv->sarea->handle + sizeof(struct drm_sarea);
+       master_priv->sarea_priv->pfCurrentPage = 0;
+
+       master->driver_priv = master_priv;
+       return 0;
+}
+
+void radeon_master_destroy(struct drm_device *dev, struct drm_master *master)
+{
+       struct drm_radeon_master_private *master_priv = master->driver_priv;
+
+       if (!master_priv)
+               return;
+
+       if (master_priv->sarea_priv &&
+           master_priv->sarea_priv->pfCurrentPage != 0)
+               radeon_cp_dispatch_flip(dev, master);
+
+       master_priv->sarea_priv = NULL;
+       if (master_priv->sarea)
+               drm_rmmap(dev, master_priv->sarea);
+
+       drm_free(master_priv, sizeof(*master_priv), DRM_MEM_DRIVER);
+
+       master->driver_priv = NULL;
+}
+
 /* Create mappings for registers and framebuffer so userland doesn't necessarily
  * have to find them.
  */