Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit daf54f1f authored by Alex Deucher's avatar Alex Deucher Committed by Dave Airlie
Browse files

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

CE variant requires a different chremap setup.

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



Signed-off-by: default avatarAlex Deucher <alexdeucher@gmail.com>
Cc: stable@kernel.org
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent 0e90ed0e

drivers/gpu/drm/radeon/rv770.c

+6 −0
Original line number Diff line number Diff line
@@ -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);

}