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drm/i915: Use i915_vma_offset() in intel_dpt_offset()

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Replace the open coded vma mm node stuff in intel_dpt_offset()
with i915_vma_offset(). This will also include the VT-d guard
in the result. Granted that should always be 0 for DPT, but
it seems prudent to include that in our DPT vma offset check
anyway.

Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250717171353.23090-5-ville.syrjala@linux.intel.com
This commit is contained in:
Ville Syrjälä 2025-07-17 20:13:50 +03:00
parent 44ebdab4b6
commit c6ab589fee
2 changed files with 3 additions and 3 deletions
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2
drivers/gpu/drm/i915/display/intel_dpt.c
View File

@ -322,5 +322,5 @@ void intel_dpt_destroy(struct i915_address_space *vm)
u64 intel_dpt_offset(struct i915_vma *dpt_vma)
{
return dpt_vma->node.start;
return i915_vma_offset(dpt_vma);
}

4
drivers/gpu/drm/i915/display/intel_fb_pin.c
View File

@ -302,8 +302,8 @@ int intel_plane_pin_fb(struct intel_plane_state *plane_state,
WARN_ON(plane_state->ggtt_vma == plane_state->dpt_vma);
/*
* The DPT object contains only one vma, so
* the VMA's offset within the DPT is always 0.
* The DPT object contains only one vma, and there is no VT-d
* guard, so the VMA's offset within the DPT is always 0.
*/
drm_WARN_ON(display->drm, intel_dpt_offset(plane_state->dpt_vma));
}