Because of the long lifetime of the mapping, we cannot wrap this in a simple limited ww lock. Just use the unlocked version of pin_map, because we'll likely release the mapping a lot later, in a different thread.
Signed-off-by: Maarten Lankhorst maarten.lankhorst@linux.intel.com Reviewed-by: Thomas Hellström thomas.hellstrom@linux.intel.com --- drivers/gpu/drm/i915/display/intel_dsb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/display/intel_dsb.c b/drivers/gpu/drm/i915/display/intel_dsb.c index 566fa72427b3..857126822a88 100644 --- a/drivers/gpu/drm/i915/display/intel_dsb.c +++ b/drivers/gpu/drm/i915/display/intel_dsb.c @@ -293,7 +293,7 @@ void intel_dsb_prepare(struct intel_crtc_state *crtc_state) goto out; }
- buf = i915_gem_object_pin_map(vma->obj, I915_MAP_WC); + buf = i915_gem_object_pin_map_unlocked(vma->obj, I915_MAP_WC); if (IS_ERR(buf)) { drm_err(&i915->drm, "Command buffer creation failed\n"); i915_vma_unpin_and_release(&vma, I915_VMA_RELEASE_MAP);