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drm/xe: Introduce xe_fb_pin_ggtt_(un)pin()

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Extract the inner DPT parts of intel_plane_(un)pin() into the
xe_fb_pin_ggtt_(un)pin(). These will become part of the new
fb_pin parent interface.

Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patch.msgid.link/20260508143426.26504-12-ville.syrjala@linux.intel.com
This commit is contained in:
Ville Syrjälä 2026-05-08 17:34:21 +03:00
parent 85348bdc8c
commit 4f5a4f64d7
1 changed files with 35 additions and 6 deletions
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41
drivers/gpu/drm/xe/display/xe_fb_pin.c
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@ -427,6 +427,34 @@ void intel_fb_unpin_vma(struct i915_vma *vma, int fence_id)
__xe_unpin_fb_vma(vma);
}
static int xe_fb_pin_ggtt_pin(struct drm_gem_object *obj,
const struct intel_fb_pin_params *pin_params,
struct i915_vma **out_ggtt_vma,
u32 *out_offset,
int *out_fence_id)
{
struct i915_vma *ggtt_vma;
ggtt_vma = __xe_pin_fb_vma(obj, false, pin_params);
if (IS_ERR(ggtt_vma))
return PTR_ERR(ggtt_vma);
*out_ggtt_vma = ggtt_vma;
*out_offset = xe_ggtt_node_addr(ggtt_vma->node);
if (out_fence_id)
*out_fence_id = -1;
return 0;
}
static void xe_fb_pin_ggtt_unpin(struct i915_vma *ggtt_vma,
int fence_id)
{
WARN_ON(fence_id >= 0);
__xe_unpin_fb_vma(ggtt_vma);
}
static int xe_fb_pin_dpt_pin(struct drm_gem_object *obj, struct intel_dpt *dpt,
const struct intel_fb_pin_params *pin_params,
struct i915_vma **out_dpt_vma,
@ -512,11 +540,10 @@ int intel_plane_pin_fb(struct intel_plane_state *new_plane_state,
return 0;
if (!intel_fb_uses_dpt(&fb->base)) {
ggtt_vma = __xe_pin_fb_vma(obj, false, &pin_params);
if (IS_ERR(ggtt_vma))
return PTR_ERR(ggtt_vma);
offset = xe_ggtt_node_addr(ggtt_vma->node);
ret = xe_fb_pin_ggtt_pin(obj, &pin_params,
&ggtt_vma, &offset, NULL);
if (ret)
return ret;
} else {
ret = xe_fb_pin_dpt_pin(obj, fb->dpt, &pin_params,
&dpt_vma, &ggtt_vma, &offset);
@ -537,9 +564,11 @@ void intel_plane_unpin_fb(struct intel_plane_state *old_plane_state)
const struct intel_framebuffer *fb = to_intel_framebuffer(old_plane_state->hw.fb);
if (!intel_fb_uses_dpt(&fb->base)) {
__xe_unpin_fb_vma(old_plane_state->ggtt_vma);
xe_fb_pin_ggtt_unpin(old_plane_state->ggtt_vma,
old_plane_state->fence_id);
old_plane_state->ggtt_vma = NULL;
old_plane_state->fence_id = -1;
} else {
xe_fb_pin_dpt_unpin(fb->dpt, old_plane_state->dpt_vma,
old_plane_state->ggtt_vma);