From: Shirish S <[email protected]> On some systems amdgpu_bo_gpu_offset seems to be called before the BO is pinned, leading to page faults as the GPU address is still subject to change.
This patch fixes the above issue. Signed-off-by: Shirish S <[email protected]> --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index 974ee97..b251b7e 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -1786,8 +1786,11 @@ static int get_fb_info(const struct amdgpu_framebuffer *amdgpu_fb, return r; } - if (fb_location) - *fb_location = amdgpu_bo_gpu_offset(rbo); + r = amdgpu_bo_pin(rbo, AMDGPU_GEM_DOMAIN_VRAM, fb_location); + if (unlikely(r != 0)) { + amdgpu_bo_unreserve(rbo); + return -EINVAL; + } if (tiling_flags) amdgpu_bo_get_tiling_flags(rbo, tiling_flags); -- 2.7.4 _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
