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drm/i915: Introduce pin_params.needs_fence

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Add a new flag pin_params.needs_fence to inform the pinning
code that the display needs a fence for tiled scanout.

The goal is to eliminate all display specific stuff from
the low level pinning code.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patch.msgid.link/20260416174448.28264-10-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Ville Syrjälä 2026-04-16 20:44:45 +03:00
parent cace3b4207
commit dfde353a91
2 changed files with 3 additions and 2 deletions
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1
drivers/gpu/drm/i915/display/intel_fb_pin.h
View File

@ -22,6 +22,7 @@ struct intel_fb_pin_params {
bool needs_cpu_lmem_access;
bool needs_low_address;
bool needs_physical;
bool needs_fence;
};
struct i915_vma *

4
drivers/gpu/drm/i915/i915_fb_pin.c
View File

@ -112,7 +112,6 @@ intel_fb_pin_to_ggtt(const struct drm_framebuffer *fb,
const struct intel_fb_pin_params *pin_params,
int *out_fence_id)
{
struct intel_display *display = to_intel_display(fb->dev);
struct drm_i915_private *i915 = to_i915(fb->dev);
struct drm_gem_object *_obj = intel_fb_bo(fb);
struct drm_i915_gem_object *obj = to_intel_bo(_obj);
@ -188,7 +187,7 @@ intel_fb_pin_to_ggtt(const struct drm_framebuffer *fb,
* mode that matches the user configuration.
*/
ret = i915_vma_pin_fence(vma);
if (ret != 0 && intel_plane_needs_fence(display)) {
if (ret != 0 && pin_params->needs_fence) {
i915_vma_unpin(vma);
goto err_unpin;
}
@ -272,6 +271,7 @@ int intel_plane_pin_fb(struct intel_plane_state *plane_state,
.needs_cpu_lmem_access = intel_fb_needs_cpu_access(&fb->base),
.needs_low_address = intel_plane_needs_low_address(display),
.needs_physical = intel_plane_needs_physical(plane),
.needs_fence = intel_plane_needs_fence(display),
};
int fence_id = -1;