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drm/i915/display: in skl_surf_address check for dpt-vma

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touch dpt_vma->node only if dpt-vma is not NULL

Signed-off-by: Juha-Pekka Heikkila <juhapekka.heikkila@gmail.com>
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231116150225.204233-2-juhapekka.heikkila@gmail.com
This commit is contained in:
Juha-Pekka Heikkila 2023-11-16 17:02:24 +02:00 committed by Jouni Högander
parent 1aba67132c
commit 185b24883e
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/i915/display/skl_universal_plane.c
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@ -1006,7 +1006,8 @@ static u32 skl_surf_address(const struct intel_plane_state *plane_state,
* The DPT object contains only one vma, so the VMA's offset
* within the DPT is always 0.
*/
drm_WARN_ON(&i915->drm, plane_state->dpt_vma->node.start);
drm_WARN_ON(&i915->drm, plane_state->dpt_vma &&
plane_state->dpt_vma->node.start);
drm_WARN_ON(&i915->drm, offset & 0x1fffff);
return offset >> 9;
} else {