drm/radeon/kms: Fix chremap setup on RV770 CE

daf54f1f · Alex Deucher <[email protected]> · 2011-06-30 08:59:55 -04:00

CE variant requires a different chremap setup.

Fixes:
https://bugzilla.kernel.org/show_bug.cgi?id=35472

Signed-off-by: Alex Deucher <[email protected]>
Cc: [email protected]
Signed-off-by: Dave Airlie <[email protected]>

Commit: daf54f1f363a61c618662ef66d4bf09d2b090941
Parents: 0e90ed0e

Changes

1 files changed · +6 −0

File	Status	Add	Del	Content
drivers/gpu/drm/radeon/rv770.c	modified	+6	−0	View file

drivers/gpu/drm/radeon/rv770.c

View file

diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index 6f508ff..8bb347d 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -575,6 +575,12 @@ static void rv770_program_channel_remap(struct radeon_device *rdev)
 	else
 		tcp_chan_steer = 0x00fac688;
 
+	/* RV770 CE has special chremap setup */
+	if (rdev->pdev->device == 0x944e) {
+		tcp_chan_steer = 0x00b08b08;
+		mc_shared_chremap = 0x00b08b08;
+	}
+
 	WREG32(TCP_CHAN_STEER, tcp_chan_steer);
 	WREG32(MC_SHARED_CHREMAP, mc_shared_chremap);
 }