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drm/i915: add .fence_priority_display to parent interface

Add .fence_priority_display() to display parent interface, removing a
display dependency on gem/i915_gem_object.h.

This allows us to remove the xe compat gem/i915_gem_object.h.

v2: Don't mix this with the rps interface (Ville)

v3: Rebase

Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patch.msgid.link/c7782862956e3aa59eaeb6dcf80906c1fc063ae1.1763370931.git.jani.nikula@intel.com
Signed-off-by: Jani Nikula <jani.nikula@intel.com>

+20 -16
+6
drivers/gpu/drm/i915/display/intel_parent.c
··· 64 64 { 65 65 return display->parent->has_fenced_regions && display->parent->has_fenced_regions(display->drm); 66 66 } 67 + 68 + void intel_parent_fence_priority_display(struct intel_display *display, struct dma_fence *fence) 69 + { 70 + if (display->parent->fence_priority_display) 71 + display->parent->fence_priority_display(fence); 72 + }
+2
drivers/gpu/drm/i915/display/intel_parent.h
··· 21 21 22 22 bool intel_parent_has_fenced_regions(struct intel_display *display); 23 23 24 + void intel_parent_fence_priority_display(struct intel_display *display, struct dma_fence *fence); 25 + 24 26 #endif /* __INTEL_PARENT_H__ */
+2 -3
drivers/gpu/drm/i915/display/intel_plane.c
··· 45 45 #include <drm/drm_panic.h> 46 46 #include <drm/drm_print.h> 47 47 48 - #include "gem/i915_gem_object.h" 49 48 #include "i9xx_plane_regs.h" 50 49 #include "intel_cdclk.h" 51 50 #include "intel_cursor.h" ··· 55 56 #include "intel_fb_pin.h" 56 57 #include "intel_fbdev.h" 57 58 #include "intel_panic.h" 59 + #include "intel_parent.h" 58 60 #include "intel_plane.h" 59 61 #include "intel_psr.h" 60 62 #include "skl_scaler.h" ··· 1180 1180 goto unpin_fb; 1181 1181 1182 1182 if (new_plane_state->uapi.fence) { 1183 - i915_gem_fence_wait_priority_display(new_plane_state->uapi.fence); 1184 - 1183 + intel_parent_fence_priority_display(display, new_plane_state->uapi.fence); 1185 1184 intel_display_rps_boost_after_vblank(new_plane_state->hw.crtc, 1186 1185 new_plane_state->uapi.fence); 1187 1186 }
+7
drivers/gpu/drm/i915/i915_driver.c
··· 750 750 return intel_gt_support_legacy_fencing(to_gt(to_i915(drm))); 751 751 } 752 752 753 + static void fence_priority_display(struct dma_fence *fence) 754 + { 755 + if (dma_fence_is_i915(fence)) 756 + i915_gem_fence_wait_priority_display(fence); 757 + } 758 + 753 759 static const struct intel_display_parent_interface parent = { 754 760 .rpm = &i915_display_rpm_interface, 755 761 .irq = &i915_display_irq_interface, 756 762 .rps = &i915_display_rps_interface, 757 763 .vgpu_active = vgpu_active, 758 764 .has_fenced_regions = has_fenced_regions, 765 + .fence_priority_display = fence_priority_display, 759 766 }; 760 767 761 768 const struct intel_display_parent_interface *i915_driver_parent_interface(void)
-13
drivers/gpu/drm/xe/compat-i915-headers/gem/i915_gem_object.h
··· 1 - /* SPDX-License-Identifier: MIT */ 2 - /* Copyright © 2025 Intel Corporation */ 3 - 4 - #ifndef __I915_GEM_OBJECT_H__ 5 - #define __I915_GEM_OBJECT_H__ 6 - 7 - struct dma_fence; 8 - 9 - static inline void i915_gem_fence_wait_priority_display(struct dma_fence *fence) 10 - { 11 - } 12 - 13 - #endif
+3
include/drm/intel/display_parent_interface.h
··· 64 64 65 65 /** @has_fenced_regions: Support legacy fencing? Optional. */ 66 66 bool (*has_fenced_regions)(struct drm_device *drm); 67 + 68 + /** @fence_priority_display: Set display priority. Optional. */ 69 + void (*fence_priority_display)(struct dma_fence *fence); 67 70 }; 68 71 69 72 #endif