Use drm gem acess userdata IOCTL for set/get interlace

[android-x86/external-minigbm.git] / cros_gralloc / cros_gralloc_driver.cc

diff --git a/cros_gralloc/cros_gralloc_driver.cc b/cros_gralloc/cros_gralloc_driver.cc
index f78c7e0..4574c5b 100644 (file)
--- a/cros_gralloc/cros_gralloc_driver.cc
+++ b/cros_gralloc/cros_gralloc_driver.cc
@@ -9,11 +9,12 @@
 
 #include "i915_private_android.h"
 
-#include <errno.h>
 #include <cstdlib>
+#include <errno.h>
 #include <fcntl.h>
-#include <xf86drm.h>
+#include <i915_drm.h>
 #include <unistd.h>
+#include <xf86drm.h>
 
 cros_gralloc_driver::cros_gralloc_driver() : drv_(nullptr)
 {
@@ -170,10 +171,69 @@ int32_t cros_gralloc_driver::allocate(const struct cros_gralloc_buffer_descripto
        return 0;
 }
 
+int32_t cros_gralloc_driver::setinterlace(buffer_handle_t handle, uint32_t interlace)
+{
+       uint32_t id;
+       SCOPED_SPIN_LOCK(mutex_);
+
+       auto hnd = cros_gralloc_convert_handle(handle);
+       if (!hnd) {
+               cros_gralloc_error("Invalid handle.");
+               return -EINVAL;
+       }
+
+       if (drmPrimeFDToHandle(drv_get_fd(drv_), hnd->fds[0], &id)) {
+               cros_gralloc_error("drmPrimeFDToHandle failed.");
+               return -errno;
+       }
+
+       drm_i915_gem_access_userdata access_userdata;
+       access_userdata.handle = id;
+       access_userdata.write = 1;
+       access_userdata.userdata = interlace;
+
+       if (drmIoctl(drv_get_fd(drv_), DRM_IOCTL_I915_GEM_ACCESS_USERDATA, &access_userdata)) {
+               cros_gralloc_error("access userdata failed");
+               return -errno;
+       }
+
+       return 0;
+}
+
+int32_t cros_gralloc_driver::getinterlace(buffer_handle_t handle, uint32_t *interlace)
+{
+       uint32_t id;
+       SCOPED_SPIN_LOCK(mutex_);
+
+       auto hnd = cros_gralloc_convert_handle(handle);
+       if (!hnd) {
+               cros_gralloc_error("Invalid handle.");
+               return -EINVAL;
+       }
+
+       if (drmPrimeFDToHandle(drv_get_fd(drv_), hnd->fds[0], &id)) {
+               cros_gralloc_error("drmPrimeFDToHandle failed.");
+               return -errno;
+       }
+
+       drm_i915_gem_access_userdata access_userdata;
+       access_userdata.handle = id;
+       access_userdata.write = 0;
+       access_userdata.userdata = 0;
+
+       if (drmIoctl(drv_get_fd(drv_), DRM_IOCTL_I915_GEM_ACCESS_USERDATA, &access_userdata)) {
+               cros_gralloc_error("access userdata failed");
+               return -errno;
+       }
+       *interlace = access_userdata.userdata;
+
+       return 0;
+}
+
 int32_t cros_gralloc_driver::retain(buffer_handle_t handle)
 {
        uint32_t id;
-        SCOPED_SPIN_LOCK(mutex_);
+       SCOPED_SPIN_LOCK(mutex_);
 
        auto hnd = cros_gralloc_convert_handle(handle);
        if (!hnd) {