Commit 51e50e54 authored by Dave Airlie's avatar Dave Airlie
Browse files

drm/radeon/ttm: handle ttm moves properly 



The core move code currently handles use_tt moves, for radeon
this was being handled also in the driver, but not using the same
paths.

If moving between TT/SYSTEM (all the use_tt paths on radeon) use
the core move function.

Eventually the core will be flipped over to calling the driver.

Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200924051845.397177-5-airlied@gmail.com
parent 3a08446b

drivers/gpu/drm/radeon/radeon_ttm.c

+7 −5
Original line number Diff line number Diff line
@@ -316,14 +316,16 @@ static int radeon_bo_move(struct ttm_buffer_object *bo, bool evict, 
		ttm_bo_move_null(bo, new_mem);

		return 0;

	}

	if ((old_mem->mem_type == TTM_PL_TT &&

	     new_mem->mem_type == TTM_PL_SYSTEM) ||

	    (old_mem->mem_type == TTM_PL_SYSTEM &&

	     new_mem->mem_type == TTM_PL_TT)) {

		/* bind is enough */

	if (old_mem->mem_type == TTM_PL_SYSTEM &&

	    new_mem->mem_type == TTM_PL_TT) {

		ttm_bo_move_null(bo, new_mem);

		return 0;

	}



	if (old_mem->mem_type == TTM_PL_TT &&

	    new_mem->mem_type == TTM_PL_SYSTEM)

		return ttm_bo_move_ttm(bo, ctx, new_mem);



	if (!rdev->ring[radeon_copy_ring_index(rdev)].ready ||

	    rdev->asic->copy.copy == NULL) {

		/* use memcpy */