From: Christian König Date: Thu, 14 Jul 2022 12:44:17 +0000 (+0200) Subject: drm/amdgpu: reapply "fix start calculation in amdgpu_vram_mgr_new"" X-Git-Tag: v6.1-rc5~176^2~22^2~167 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=55b3d6a63fb58e154f0a1ab3930cdd003a39ba9b;p=platform%2Fkernel%2Flinux-starfive.git drm/amdgpu: reapply "fix start calculation in amdgpu_vram_mgr_new"" This re-applys commit 5e3f1e7729ec7a99e145e9d8ed58963d86cdfb98. The original problem this was reverted for was found and the correct fix will be merged to drm-misc-next-fixes. Signed-off-by: Christian König Reviewed-by: Arunpravin Paneer Selvam Link: https://patchwork.freedesktop.org/patch/msgid/20220714132315.587217-1-christian.koenig@amd.com --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c index 49e4092..51d9d3a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c @@ -496,16 +496,22 @@ static int amdgpu_vram_mgr_new(struct ttm_resource_manager *man, list_splice_tail(trim_list, &vres->blocks); } - list_for_each_entry(block, &vres->blocks, link) - vis_usage += amdgpu_vram_mgr_vis_size(adev, block); + vres->base.start = 0; + list_for_each_entry(block, &vres->blocks, link) { + unsigned long start; - block = amdgpu_vram_mgr_first_block(&vres->blocks); - if (!block) { - r = -EINVAL; - goto error_fini; - } + start = amdgpu_vram_mgr_block_start(block) + + amdgpu_vram_mgr_block_size(block); + start >>= PAGE_SHIFT; - vres->base.start = amdgpu_vram_mgr_block_start(block) >> PAGE_SHIFT; + if (start > vres->base.num_pages) + start -= vres->base.num_pages; + else + start = 0; + vres->base.start = max(vres->base.start, start); + + vis_usage += amdgpu_vram_mgr_vis_size(adev, block); + } if (amdgpu_is_vram_mgr_blocks_contiguous(&vres->blocks)) vres->base.placement |= TTM_PL_FLAG_CONTIGUOUS;