commit bc1a631e5104317cc8b4ef7d14adc597f2844003
author Dave Airlie <airlied@linux.ie> Tue Sep 15 11:07:52 2009 +1000
committer Dave Airlie <airlied@redhat.com> Fri Sep 18 16:17:30 2009 +1000
tree 687818dd6f32bb2374751cde1e2ce94358de786c
parent 698443d9ec1a33eff65b27b9514e06998bf57eb3

drm/radeon/r600: fix some issues with suspend/resume.

a) don't zero gart table on gart enable
b) move pinning shader object into resume path
c) unpin shader object on suspend
d) set cp ready to false after cp shutdown on suspend.

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

drivers/gpu/drm/radeon/r600.c

diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index aafdb8e..9844783 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -141,8 +141,7 @@
 	r = radeon_gart_table_vram_pin(rdev);
 	if (r)
 		return r;
-	for (i = 0; i < rdev->gart.num_gpu_pages; i++)
-		r600_gart_clear_page(rdev, i);
+
 	/* Setup L2 cache */
 	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
 				ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
@@ -1477,6 +1476,14 @@
 	if (r)
 		return r;
 	r600_gpu_init(rdev);
+
+	r = radeon_object_pin(rdev->r600_blit.shader_obj, RADEON_GEM_DOMAIN_VRAM,
+			      &rdev->r600_blit.shader_gpu_addr);
+	if (r) {
+		DRM_ERROR("failed to pin blit object %d\n", r);
+		return r;
+	}
+
 	r = radeon_ring_init(rdev, rdev->cp.ring_size);
 	if (r)
 		return r;
@@ -1496,7 +1503,11 @@
 {
 	/* FIXME: we should wait for ring to be empty */
 	r600_cp_stop(rdev);
+	rdev->cp.ready = false;
+
 	r600_pcie_gart_disable(rdev);
+	/* unpin shaders bo */
+	radeon_object_unpin(rdev->r600_blit.shader_obj);
 	return 0;
 }
 
@@ -1579,6 +1590,12 @@
 		return r;
 
 	rdev->accel_working = true;
+	r = r600_blit_init(rdev);
+	if (r) {
+		DRM_ERROR("radeon: failled blitter (%d).\n", r);
+		return r;
+	}
+
 	r = r600_resume(rdev);
 	if (r) {
 		if (rdev->flags & RADEON_IS_AGP) {
@@ -1595,11 +1612,6 @@
 			DRM_ERROR("radeon: failled initializing IB pool (%d).\n", r);
 			rdev->accel_working = false;
 		}
-		r = r600_blit_init(rdev);
-		if (r) {
-			DRM_ERROR("radeon: failled blitter (%d).\n", r);
-			rdev->accel_working = false;
-		}
 		r = radeon_ib_test(rdev);
 		if (r) {
 			DRM_ERROR("radeon: failled testing IB (%d).\n", r);