gallium: Update the drm_api.

Make it possible to pass state-tracker-specific data to the
init_screen function, and even open the door for device-specific
state-tracker screen initialization.

Signed-off-by: Thomas Hellstrom <thellstrom-at-vmware-dot-com>

4 files changed, 3 insertions, 38 deletions

diff --git a/src/gallium/state_trackers/dri2/dri_screen.c b/src/gallium/state_trackers/dri2/dri_screen.c
index ab5878a4bce..ab33003f516 100644
--- a/src/gallium/state_trackers/dri2/dri_screen.c
+++ b/src/gallium/state_trackers/dri2/dri_screen.c
@@ -67,37 +67,6 @@ static const __DRIextension *dri_screen_extensions[] = {
     NULL
 };
 
-
-static void
-dri_get_drm_minor(struct dri_screen *screen)
-{
-   /* TODO get the real minor */
-   screen->minor = 0;
-}
-
-
-static void
-dri_get_device_id(struct dri_screen *screen)
-{
-   char path[512];
-   FILE *file;
-
-   /*
-    * There must be a better way to get the deviceID.
-    * XXX this only works on Linux.
-    */
-   snprintf(path, sizeof(path), "/sys/class/drm/card%d/device/device", screen->minor);
-   file = fopen(path, "r");
-   if (!file) {
-      return;
-   }
-
-   fgets(path, sizeof(path), file);
-   sscanf(path, "%x", &screen->deviceID);
-   fclose(file);
-}
-
-
 static const __DRIconfig **
 dri_fill_in_modes(__DRIscreenPrivate *psp,
                   unsigned pixel_bits, unsigned depth_bits,
@@ -212,13 +181,11 @@ dri_init_screen2(__DRIscreenPrivate *sPriv)
 
    screen->sPriv = sPriv;
    screen->fd = sPriv->fd;
-   dri_get_drm_minor(screen);
-   dri_get_device_id(screen);
    sPriv->private = (void *) screen;
    sPriv->extensions = dri_screen_extensions;
 
 
-   screen->pipe_screen = drm_api_hooks.create_screen(screen->fd, screen->deviceID);
+   screen->pipe_screen = drm_api_hooks.create_screen(screen->fd, NULL);
    if (!screen->pipe_screen) {
       debug_printf("%s: failed to create pipe_screen\n", __FUNCTION__);
       goto fail;
diff --git a/src/gallium/state_trackers/dri2/dri_screen.h b/src/gallium/state_trackers/dri2/dri_screen.h
index fe2676d0be3..3751ec61211 100644
--- a/src/gallium/state_trackers/dri2/dri_screen.h
+++ b/src/gallium/state_trackers/dri2/dri_screen.h
@@ -54,9 +54,7 @@ struct dri_screen
    struct dri_context *dummyContext;
 
    /* drm */
-   int deviceID;
    int fd;
-   int minor;
 
    /* gallium */
    struct pipe_winsys *pipe_winsys;
diff --git a/src/gallium/state_trackers/egl/egl_tracker.c b/src/gallium/state_trackers/egl/egl_tracker.c
index abdf84544f3..8e620084617 100644
--- a/src/gallium/state_trackers/egl/egl_tracker.c
+++ b/src/gallium/state_trackers/egl/egl_tracker.c
@@ -146,7 +146,7 @@ drm_initialize(_EGLDriver *drv, EGLDisplay dpy, EGLint *major, EGLint *minor)
 	dev->drmFD = fd;
 	drm_get_device_id(dev);
 
-	dev->screen = drm_api_hooks.create_screen(dev->drmFD, dev->deviceID);
+	dev->screen = drm_api_hooks.create_screen(dev->drmFD, NULL);
 	if (!dev->screen)
 		goto err_screen;
 	dev->winsys = dev->screen->winsys;
diff --git a/src/gallium/state_trackers/xorg/xorg_driver.c b/src/gallium/state_trackers/xorg/xorg_driver.c
index 8a2711e70cd..45e831f0c28 100644
--- a/src/gallium/state_trackers/xorg/xorg_driver.c
+++ b/src/gallium/state_trackers/xorg/xorg_driver.c
@@ -476,7 +476,7 @@ ScreenInit(int scrnIndex, ScreenPtr pScreen, int argc, char **argv)
     }
 
     if (!ms->screen) {
-	ms->screen = drm_api_hooks.create_screen(ms->fd, ms->PciInfo->device_id);
+	ms->screen = drm_api_hooks.create_screen(ms->fd, NULL);
 
 	if (!ms->screen) {
 	    FatalError("Could not init pipe_screen\n");