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Commit 6f28ef47 authored by Michel Dänzer's avatar Michel Dänzer Committed by Alex Deucher
Browse files

drm/radeon: Always flush VM again on < CIK 



Not doing this causes piglit hangs[0] on my Cape Verde card. No issues on
Bonaire and Kaveri though.

[0] Same symptoms as those fixed on CIK by 'drm/radeon: set VM base addr
using the PFP v2'.

Signed-off-by: default avatarMichel Dänzer <michel.daenzer@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 68b1ea30

drivers/gpu/drm/radeon/radeon_vm.c

+3 −1
Original line number Diff line number Diff line
@@ -238,7 +238,9 @@ void radeon_vm_flush(struct radeon_device *rdev, 
	uint64_t pd_addr = radeon_bo_gpu_offset(vm->page_directory);



	/* if we can't remember our last VM flush then flush now! */

	if (!vm->last_flush || pd_addr != vm->pd_gpu_addr) {

	/* XXX figure out why we have to flush all the time before CIK */

	if (rdev->family < CHIP_BONAIRE ||

	    !vm->last_flush || pd_addr != vm->pd_gpu_addr) {

		trace_radeon_vm_flush(pd_addr, ring, vm->id);

		vm->pd_gpu_addr = pd_addr;

		radeon_ring_vm_flush(rdev, ring, vm);