drm/radeon/kms: move around new init path code to avoid posting at init

We really don't want to post the card at init, it takes a relatively
long time and isn't required, so split the resume path into
a startup path called by both init/resume and separate resume
entry point to do posting.

Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 36 insertions, 2 deletions

diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index 47427623a84c..a6399662a843 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -851,7 +851,7 @@ int rv770_gpu_reset(struct radeon_device *rdev)
         return 0;
 }
 
-int rv770_resume(struct radeon_device *rdev)
+static int rv770_startup(struct radeon_device *rdev)
 {
         int r;
 
@@ -875,6 +875,40 @@ int rv770_resume(struct radeon_device *rdev)
         return 0;
 }
 
+int rv770_resume(struct radeon_device *rdev)
+{
+        int r;
+
+        if (radeon_gpu_reset(rdev)) {
+                /* FIXME: what do we want to do here ? */
+        }
+        /* post card */
+        if (rdev->is_atom_bios) {
+                atom_asic_init(rdev->mode_info.atom_context);
+        } else {
+                radeon_combios_asic_init(rdev->ddev);
+        }
+        /* Initialize clocks */
+        r = radeon_clocks_init(rdev);
+        if (r) {
+                return r;
+        }
+
+        r = rv770_startup(rdev);
+        if (r) {
+                DRM_ERROR("r600 startup failed on resume\n");
+                return r;
+        }
+
+        r = radeon_ib_test(rdev);
+        if (r) {
+                DRM_ERROR("radeon: failled testing IB (%d).\n", r);
+                return r;
+        }
+        return r;
+
+}
+
 int rv770_suspend(struct radeon_device *rdev)
 {
         /* FIXME: we should wait for ring to be empty */
@@ -959,7 +993,7 @@ int rv770_init(struct radeon_device *rdev)
                 return r;
 
         rdev->accel_working = true;
-        r = rv770_resume(rdev);
+        r = rv770_startup(rdev);
         if (r) {
                 if (rdev->flags & RADEON_IS_AGP) {
                         /* Retry with disabling AGP */