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[2/2] drm/radeon/kms/evergreen: reset the grbm blocks at resume and init

Message ID 1292866504-8939-2-git-send-email-alexdeucher@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Alex Deucher Dec. 20, 2010, 5:35 p.m. UTC
None
diff mbox

Patch

diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index 8b82749..056b93c 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -2701,6 +2701,11 @@  int evergreen_resume(struct radeon_device *rdev)
 {
 	int r;
 
+	/* reset the asic, the gfx blocks are often in a bad state
+	 * after the driver is unloaded or after a resume
+	 */
+	if (radeon_asic_reset(rdev))
+		dev_warn(rdev->dev, "GPU reset failed !\n");
 	/* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
 	 * posting will perform necessary task to bring back GPU into good
 	 * shape.
@@ -2861,6 +2866,11 @@  int evergreen_init(struct radeon_device *rdev)
 	r = radeon_atombios_init(rdev);
 	if (r)
 		return r;
+	/* reset the asic, the gfx blocks are often in a bad state
+	 * after the driver is unloaded or after a resume
+	 */
+	if (radeon_asic_reset(rdev))
+		dev_warn(rdev->dev, "GPU reset failed !\n");
 	/* Post card if necessary */
 	if (!evergreen_card_posted(rdev)) {
 		if (!rdev->bios) {