drm/i915: Introduce pin_params.needs_fence

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>

diff --git a/drivers/gpu/drm/i915/display/intel_fb_pin.h b/drivers/gpu/drm/i915/display/intel_fb_pin.h
index 3e37e9874f50f49355fff27b99f16751b676984b..95f83bf7411fa0a19d053c5c40ad3b820a8d9f35 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_fb_pin.h
+++ b/drivers/gpu/drm/i915/display/intel_fb_pin.h
@@ -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 *

diff --git a/drivers/gpu/drm/i915/i915_fb_pin.c b/drivers/gpu/drm/i915/i915_fb_pin.c
index a8ed888183cbfb287ef4299f766a093dbfe73dc9..5060ec8c76caee07d209604c2d4b9dbc4005671d 100644 (file)
--- a/drivers/gpu/drm/i915/i915_fb_pin.c
+++ b/drivers/gpu/drm/i915/i915_fb_pin.c
@@ -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 @@ retry:
                 * 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;