I have been seeing this for a long time, but ignored it because it's typically not terribly important. Recently, I really needed this info, and it was garbage. Proof that I should have fixed it sooner. Originally wrong from:
commit 6c7a01ec3743a5a6ce9e53a69d7a6c2d8c715eb1 Author: Ben Widawsky <[email protected]> Date: Thu Jan 30 00:19:40 2014 -0800 drm/i915: Capture PPGTT info on error capture Cc: Chris Wilson <[email protected]> Signed-off-by: Ben Widawsky <[email protected]> --- drivers/gpu/drm/i915/i915_gpu_error.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c index 7a9bba1..d7ac688 100644 --- a/drivers/gpu/drm/i915/i915_gpu_error.c +++ b/drivers/gpu/drm/i915/i915_gpu_error.c @@ -899,10 +899,12 @@ static void i915_record_ring_state(struct drm_device *dev, } break; case 7: - ering->vm_info.pp_dir_base = RING_PP_DIR_BASE(ring); + ering->vm_info.pp_dir_base = + I915_READ(RING_PP_DIR_BASE(ring)); break; case 6: - ering->vm_info.pp_dir_base = RING_PP_DIR_BASE_READ(ring); + ering->vm_info.pp_dir_base = + I915_READ(RING_PP_DIR_BASE_READ(ring)); break; } } -- 1.9.0 _______________________________________________ Intel-gfx mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/intel-gfx
