On Tue, Nov 11, 2025 at 09:34:04AM +0200, Jani Nikula wrote:
> Add an irq parent driver interface for the .enabled and .synchronize
> calls. This lets us drop the dependency on i915_drv.h and i915_irq.h in
> multiple places, and subsequently remove the compat i915_irq.h and
> i915_irq.c files along with the display/ext directory from xe
> altogether.
> 
> Use intel_irqs_enabled() and intel_synchronize_irq() static wrappers for
> parent interface calls in intel_display_irq.c while chasing the function
> pointers everywhere else. It's still a bit uncertain if we should
> universally have wrappers for the parent interface calls or not.

Why would we want those ugly pointer chains anywhere (except perhaps
for single use cases)?

> 
> v2: Keep static wrappers in intel_display_irq.c (Ville)
> 
> Signed-off-by: Jani Nikula <[email protected]>
> ---
>  .../gpu/drm/i915/display/intel_display_irq.c  | 47 +++++++++----------
>  .../drm/i915/display/intel_display_power.c    |  5 +-
>  .../i915/display/intel_display_power_well.c   | 15 ++----
>  drivers/gpu/drm/i915/display/intel_gmbus.c    |  9 ++--
>  drivers/gpu/drm/i915/display/intel_hotplug.c  |  6 +--
>  .../gpu/drm/i915/display/intel_lpe_audio.c    |  1 -
>  drivers/gpu/drm/i915/display/intel_pipe_crc.c |  6 +--
>  drivers/gpu/drm/i915/i915_driver.c            |  1 +
>  drivers/gpu/drm/i915/i915_irq.c               | 16 +++++++
>  drivers/gpu/drm/i915/i915_irq.h               |  2 +
>  drivers/gpu/drm/xe/Makefile                   |  2 -
>  .../gpu/drm/xe/compat-i915-headers/i915_irq.h |  6 ---
>  drivers/gpu/drm/xe/display/ext/i915_irq.c     | 18 -------
>  drivers/gpu/drm/xe/display/xe_display.c       | 18 +++++++
>  include/drm/intel/display_parent_interface.h  |  8 ++++
>  15 files changed, 81 insertions(+), 79 deletions(-)
>  delete mode 100644 drivers/gpu/drm/xe/compat-i915-headers/i915_irq.h
>  delete mode 100644 drivers/gpu/drm/xe/display/ext/i915_irq.c
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_display_irq.c 
> b/drivers/gpu/drm/i915/display/intel_display_irq.c
> index 2a92ca6c2f82..c6b1683a367b 100644
> --- a/drivers/gpu/drm/i915/display/intel_display_irq.c
> +++ b/drivers/gpu/drm/i915/display/intel_display_irq.c
> @@ -5,9 +5,8 @@
>  
>  #include <drm/drm_print.h>
>  #include <drm/drm_vblank.h>
> +#include <drm/intel/display_parent_interface.h>
>  
> -#include "i915_drv.h"
> -#include "i915_irq.h"
>  #include "i915_reg.h"
>  #include "icl_dsi_regs.h"
>  #include "intel_crtc.h"
> @@ -31,6 +30,16 @@
>  #include "intel_psr.h"
>  #include "intel_psr_regs.h"
>  
> +static bool intel_irqs_enabled(struct intel_display *display)
> +{
> +     return display->parent->irq->enabled(display->drm);
> +}
> +
> +static void intel_synchronize_irq(struct intel_display *display)
> +{
> +     display->parent->irq->synchronize(display->drm);
> +}
> +
>  static void irq_reset(struct intel_display *display, struct i915_irq_regs 
> regs)
>  {
>       intel_de_write(display, regs.imr, 0xffffffff);
> @@ -160,7 +169,6 @@ intel_handle_vblank(struct intel_display *display, enum 
> pipe pipe)
>  void ilk_update_display_irq(struct intel_display *display,
>                           u32 interrupt_mask, u32 enabled_irq_mask)
>  {
> -     struct drm_i915_private *dev_priv = to_i915(display->drm);
>       u32 new_val;
>  
>       lockdep_assert_held(&display->irq.lock);
> @@ -171,7 +179,7 @@ void ilk_update_display_irq(struct intel_display *display,
>       new_val |= (~enabled_irq_mask & interrupt_mask);
>  
>       if (new_val != display->irq.ilk_de_imr_mask &&
> -         !drm_WARN_ON(display->drm, !intel_irqs_enabled(dev_priv))) {
> +         !drm_WARN_ON(display->drm, !intel_irqs_enabled(display))) {
>               display->irq.ilk_de_imr_mask = new_val;
>               intel_de_write(display, DEIMR, display->irq.ilk_de_imr_mask);
>               intel_de_posting_read(display, DEIMR);
> @@ -197,7 +205,6 @@ void ilk_disable_display_irq(struct intel_display 
> *display, u32 bits)
>  void bdw_update_port_irq(struct intel_display *display,
>                        u32 interrupt_mask, u32 enabled_irq_mask)
>  {
> -     struct drm_i915_private *dev_priv = to_i915(display->drm);
>       u32 new_val;
>       u32 old_val;
>  
> @@ -205,7 +212,7 @@ void bdw_update_port_irq(struct intel_display *display,
>  
>       drm_WARN_ON(display->drm, enabled_irq_mask & ~interrupt_mask);
>  
> -     if (drm_WARN_ON(display->drm, !intel_irqs_enabled(dev_priv)))
> +     if (drm_WARN_ON(display->drm, !intel_irqs_enabled(display)))
>               return;
>  
>       old_val = intel_de_read(display, GEN8_DE_PORT_IMR);
> @@ -231,14 +238,13 @@ static void bdw_update_pipe_irq(struct intel_display 
> *display,
>                               enum pipe pipe, u32 interrupt_mask,
>                               u32 enabled_irq_mask)
>  {
> -     struct drm_i915_private *dev_priv = to_i915(display->drm);
>       u32 new_val;
>  
>       lockdep_assert_held(&display->irq.lock);
>  
>       drm_WARN_ON(display->drm, enabled_irq_mask & ~interrupt_mask);
>  
> -     if (drm_WARN_ON(display->drm, !intel_irqs_enabled(dev_priv)))
> +     if (drm_WARN_ON(display->drm, !intel_irqs_enabled(display)))
>               return;
>  
>       new_val = display->irq.de_pipe_imr_mask[pipe];
> @@ -274,7 +280,6 @@ void ibx_display_interrupt_update(struct intel_display 
> *display,
>                                 u32 interrupt_mask,
>                                 u32 enabled_irq_mask)
>  {
> -     struct drm_i915_private *dev_priv = to_i915(display->drm);
>       u32 sdeimr = intel_de_read(display, SDEIMR);
>  
>       sdeimr &= ~interrupt_mask;
> @@ -284,7 +289,7 @@ void ibx_display_interrupt_update(struct intel_display 
> *display,
>  
>       lockdep_assert_held(&display->irq.lock);
>  
> -     if (drm_WARN_ON(display->drm, !intel_irqs_enabled(dev_priv)))
> +     if (drm_WARN_ON(display->drm, !intel_irqs_enabled(display)))
>               return;
>  
>       intel_de_write(display, SDEIMR, sdeimr);
> @@ -348,7 +353,6 @@ u32 i915_pipestat_enable_mask(struct intel_display 
> *display,
>  void i915_enable_pipestat(struct intel_display *display,
>                         enum pipe pipe, u32 status_mask)
>  {
> -     struct drm_i915_private *dev_priv = to_i915(display->drm);
>       i915_reg_t reg = PIPESTAT(display, pipe);
>       u32 enable_mask;
>  
> @@ -357,7 +361,7 @@ void i915_enable_pipestat(struct intel_display *display,
>                     pipe_name(pipe), status_mask);
>  
>       lockdep_assert_held(&display->irq.lock);
> -     drm_WARN_ON(display->drm, !intel_irqs_enabled(dev_priv));
> +     drm_WARN_ON(display->drm, !intel_irqs_enabled(display));
>  
>       if ((display->irq.pipestat_irq_mask[pipe] & status_mask) == status_mask)
>               return;
> @@ -372,7 +376,6 @@ void i915_enable_pipestat(struct intel_display *display,
>  void i915_disable_pipestat(struct intel_display *display,
>                          enum pipe pipe, u32 status_mask)
>  {
> -     struct drm_i915_private *dev_priv = to_i915(display->drm);
>       i915_reg_t reg = PIPESTAT(display, pipe);
>       u32 enable_mask;
>  
> @@ -381,7 +384,7 @@ void i915_disable_pipestat(struct intel_display *display,
>                     pipe_name(pipe), status_mask);
>  
>       lockdep_assert_held(&display->irq.lock);
> -     drm_WARN_ON(display->drm, !intel_irqs_enabled(dev_priv));
> +     drm_WARN_ON(display->drm, !intel_irqs_enabled(display));
>  
>       if ((display->irq.pipestat_irq_mask[pipe] & status_mask) == 0)
>               return;
> @@ -2174,14 +2177,13 @@ void gen11_display_irq_reset(struct intel_display 
> *display)
>  void gen8_irq_power_well_post_enable(struct intel_display *display,
>                                    u8 pipe_mask)
>  {
> -     struct drm_i915_private *dev_priv = to_i915(display->drm);
>       u32 extra_ier = GEN8_PIPE_VBLANK | GEN8_PIPE_FIFO_UNDERRUN |
>               gen8_de_pipe_flip_done_mask(display);
>       enum pipe pipe;
>  
>       spin_lock_irq(&display->irq.lock);
>  
> -     if (!intel_irqs_enabled(dev_priv)) {
> +     if (!intel_irqs_enabled(display)) {
>               spin_unlock_irq(&display->irq.lock);
>               return;
>       }
> @@ -2197,12 +2199,11 @@ void gen8_irq_power_well_post_enable(struct 
> intel_display *display,
>  void gen8_irq_power_well_pre_disable(struct intel_display *display,
>                                    u8 pipe_mask)
>  {
> -     struct drm_i915_private *dev_priv = to_i915(display->drm);
>       enum pipe pipe;
>  
>       spin_lock_irq(&display->irq.lock);
>  
> -     if (!intel_irqs_enabled(dev_priv)) {
> +     if (!intel_irqs_enabled(display)) {
>               spin_unlock_irq(&display->irq.lock);
>               return;
>       }
> @@ -2213,7 +2214,7 @@ void gen8_irq_power_well_pre_disable(struct 
> intel_display *display,
>       spin_unlock_irq(&display->irq.lock);
>  
>       /* make sure we're done processing display irqs */
> -     intel_synchronize_irq(dev_priv);
> +     intel_synchronize_irq(display);
>  }
>  
>  /*
> @@ -2246,8 +2247,6 @@ static void ibx_irq_postinstall(struct intel_display 
> *display)
>  
>  void valleyview_enable_display_irqs(struct intel_display *display)
>  {
> -     struct drm_i915_private *dev_priv = to_i915(display->drm);
> -
>       spin_lock_irq(&display->irq.lock);
>  
>       if (display->irq.vlv_display_irqs_enabled)
> @@ -2255,7 +2254,7 @@ void valleyview_enable_display_irqs(struct 
> intel_display *display)
>  
>       display->irq.vlv_display_irqs_enabled = true;
>  
> -     if (intel_irqs_enabled(dev_priv)) {
> +     if (intel_irqs_enabled(display)) {
>               _vlv_display_irq_reset(display);
>               _vlv_display_irq_postinstall(display);
>       }
> @@ -2266,8 +2265,6 @@ void valleyview_enable_display_irqs(struct 
> intel_display *display)
>  
>  void valleyview_disable_display_irqs(struct intel_display *display)
>  {
> -     struct drm_i915_private *dev_priv = to_i915(display->drm);
> -
>       spin_lock_irq(&display->irq.lock);
>  
>       if (!display->irq.vlv_display_irqs_enabled)
> @@ -2275,7 +2272,7 @@ void valleyview_disable_display_irqs(struct 
> intel_display *display)
>  
>       display->irq.vlv_display_irqs_enabled = false;
>  
> -     if (intel_irqs_enabled(dev_priv))
> +     if (intel_irqs_enabled(display))
>               _vlv_display_irq_reset(display);
>  out:
>       spin_unlock_irq(&display->irq.lock);
> diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c 
> b/drivers/gpu/drm/i915/display/intel_display_power.c
> index 74fcd9cfe911..7c857291ad4c 100644
> --- a/drivers/gpu/drm/i915/display/intel_display_power.c
> +++ b/drivers/gpu/drm/i915/display/intel_display_power.c
> @@ -7,11 +7,11 @@
>  #include <linux/string_helpers.h>
>  
>  #include <drm/drm_print.h>
> +#include <drm/intel/display_parent_interface.h>
>  
>  #include "soc/intel_dram.h"
>  
>  #include "i915_drv.h"
> -#include "i915_irq.h"
>  #include "i915_reg.h"
>  #include "intel_backlight_regs.h"
>  #include "intel_cdclk.h"
> @@ -1202,7 +1202,6 @@ static void hsw_assert_cdclk(struct intel_display 
> *display)
>  
>  static void assert_can_disable_lcpll(struct intel_display *display)
>  {
> -     struct drm_i915_private *dev_priv = to_i915(display->drm);
>       struct intel_crtc *crtc;
>  
>       for_each_intel_crtc(display->drm, crtc)
> @@ -1247,7 +1246,7 @@ static void assert_can_disable_lcpll(struct 
> intel_display *display)
>        * gen-specific and since we only disable LCPLL after we fully disable
>        * the interrupts, the check below should be enough.
>        */
> -     INTEL_DISPLAY_STATE_WARN(display, intel_irqs_enabled(dev_priv),
> +     INTEL_DISPLAY_STATE_WARN(display, 
> display->parent->irq->enabled(display->drm),
>                                "IRQs enabled\n");
>  }
>  
> diff --git a/drivers/gpu/drm/i915/display/intel_display_power_well.c 
> b/drivers/gpu/drm/i915/display/intel_display_power_well.c
> index eab7019f2252..5ae064bc536a 100644
> --- a/drivers/gpu/drm/i915/display/intel_display_power_well.c
> +++ b/drivers/gpu/drm/i915/display/intel_display_power_well.c
> @@ -6,9 +6,8 @@
>  #include <linux/iopoll.h>
>  
>  #include <drm/drm_print.h>
> +#include <drm/intel/display_parent_interface.h>
>  
> -#include "i915_drv.h"
> -#include "i915_irq.h"
>  #include "i915_reg.h"
>  #include "intel_backlight_regs.h"
>  #include "intel_combo_phy.h"
> @@ -628,8 +627,6 @@ static bool hsw_power_well_enabled(struct intel_display 
> *display,
>  
>  static void assert_can_enable_dc9(struct intel_display *display)
>  {
> -     struct drm_i915_private *dev_priv = to_i915(display->drm);
> -
>       drm_WARN_ONCE(display->drm,
>                     (intel_de_read(display, DC_STATE_EN) & DC_STATE_EN_DC9),
>                     "DC9 already programmed to be enabled.\n");
> @@ -641,7 +638,7 @@ static void assert_can_enable_dc9(struct intel_display 
> *display)
>                     intel_de_read(display, HSW_PWR_WELL_CTL2) &
>                     HSW_PWR_WELL_CTL_REQ(SKL_PW_CTL_IDX_PW_2),
>                     "Power well 2 on.\n");
> -     drm_WARN_ONCE(display->drm, intel_irqs_enabled(dev_priv),
> +     drm_WARN_ONCE(display->drm, display->parent->irq->enabled(display->drm),
>                     "Interrupts not disabled yet.\n");
>  
>        /*
> @@ -655,9 +652,7 @@ static void assert_can_enable_dc9(struct intel_display 
> *display)
>  
>  static void assert_can_disable_dc9(struct intel_display *display)
>  {
> -     struct drm_i915_private *dev_priv = to_i915(display->drm);
> -
> -     drm_WARN_ONCE(display->drm, intel_irqs_enabled(dev_priv),
> +     drm_WARN_ONCE(display->drm, display->parent->irq->enabled(display->drm),
>                     "Interrupts not disabled yet.\n");
>       drm_WARN_ONCE(display->drm,
>                     intel_de_read(display, DC_STATE_EN) &
> @@ -1281,12 +1276,10 @@ static void vlv_display_power_well_init(struct 
> intel_display *display)
>  
>  static void vlv_display_power_well_deinit(struct intel_display *display)
>  {
> -     struct drm_i915_private *dev_priv = to_i915(display->drm);
> -
>       valleyview_disable_display_irqs(display);
>  
>       /* make sure we're done processing display irqs */
> -     intel_synchronize_irq(dev_priv);
> +     display->parent->irq->synchronize(display->drm);
>  
>       vlv_pps_reset_all(display);
>  
> diff --git a/drivers/gpu/drm/i915/display/intel_gmbus.c 
> b/drivers/gpu/drm/i915/display/intel_gmbus.c
> index 82f3a40ecac7..98834cf622d2 100644
> --- a/drivers/gpu/drm/i915/display/intel_gmbus.c
> +++ b/drivers/gpu/drm/i915/display/intel_gmbus.c
> @@ -32,11 +32,11 @@
>  #include <linux/i2c.h>
>  #include <linux/iopoll.h>
>  
> -#include <drm/drm_print.h>
>  #include <drm/display/drm_hdcp_helper.h>
> +#include <drm/drm_print.h>
> +#include <drm/drm_print.h>
> +#include <drm/intel/display_parent_interface.h>
>  
> -#include "i915_drv.h"
> -#include "i915_irq.h"
>  #include "i915_reg.h"
>  #include "intel_de.h"
>  #include "intel_display_regs.h"
> @@ -391,12 +391,11 @@ intel_gpio_setup(struct intel_gmbus *bus, i915_reg_t 
> gpio_reg)
>  
>  static bool has_gmbus_irq(struct intel_display *display)
>  {
> -     struct drm_i915_private *i915 = to_i915(display->drm);
>       /*
>        * encoder->shutdown() may want to use GMBUS
>        * after irqs have already been disabled.
>        */
> -     return HAS_GMBUS_IRQ(display) && intel_irqs_enabled(i915);
> +     return HAS_GMBUS_IRQ(display) && 
> display->parent->irq->enabled(display->drm);
>  }
>  
>  static int gmbus_wait(struct intel_display *display, u32 status, u32 irq_en)
> diff --git a/drivers/gpu/drm/i915/display/intel_hotplug.c 
> b/drivers/gpu/drm/i915/display/intel_hotplug.c
> index 235706229ffb..a4254d4e9a4a 100644
> --- a/drivers/gpu/drm/i915/display/intel_hotplug.c
> +++ b/drivers/gpu/drm/i915/display/intel_hotplug.c
> @@ -26,9 +26,8 @@
>  
>  #include <drm/drm_print.h>
>  #include <drm/drm_probe_helper.h>
> +#include <drm/intel/display_parent_interface.h>
>  
> -#include "i915_drv.h"
> -#include "i915_irq.h"
>  #include "intel_connector.h"
>  #include "intel_display_core.h"
>  #include "intel_display_power.h"
> @@ -1177,13 +1176,12 @@ bool intel_hpd_schedule_detection(struct 
> intel_display *display)
>  static int i915_hpd_storm_ctl_show(struct seq_file *m, void *data)
>  {
>       struct intel_display *display = m->private;
> -     struct drm_i915_private *dev_priv = to_i915(display->drm);
>       struct intel_hotplug *hotplug = &display->hotplug;
>  
>       /* Synchronize with everything first in case there's been an HPD
>        * storm, but we haven't finished handling it in the kernel yet
>        */
> -     intel_synchronize_irq(dev_priv);
> +     display->parent->irq->synchronize(display->drm);
>       flush_work(&display->hotplug.dig_port_work);
>       flush_delayed_work(&display->hotplug.hotplug_work);
>  
> diff --git a/drivers/gpu/drm/i915/display/intel_lpe_audio.c 
> b/drivers/gpu/drm/i915/display/intel_lpe_audio.c
> index 42284e9928f2..5b41abe1c64d 100644
> --- a/drivers/gpu/drm/i915/display/intel_lpe_audio.c
> +++ b/drivers/gpu/drm/i915/display/intel_lpe_audio.c
> @@ -71,7 +71,6 @@
>  #include <drm/drm_print.h>
>  #include <drm/intel/intel_lpe_audio.h>
>  
> -#include "i915_irq.h"
>  #include "intel_audio_regs.h"
>  #include "intel_de.h"
>  #include "intel_lpe_audio.h"
> diff --git a/drivers/gpu/drm/i915/display/intel_pipe_crc.c 
> b/drivers/gpu/drm/i915/display/intel_pipe_crc.c
> index 1f27643412f1..b782f894cce8 100644
> --- a/drivers/gpu/drm/i915/display/intel_pipe_crc.c
> +++ b/drivers/gpu/drm/i915/display/intel_pipe_crc.c
> @@ -29,9 +29,8 @@
>  #include <linux/seq_file.h>
>  
>  #include <drm/drm_print.h>
> +#include <drm/intel/display_parent_interface.h>
>  
> -#include "i915_drv.h"
> -#include "i915_irq.h"
>  #include "intel_atomic.h"
>  #include "intel_de.h"
>  #include "intel_display_irq.h"
> @@ -658,7 +657,6 @@ void intel_crtc_enable_pipe_crc(struct intel_crtc *crtc)
>  void intel_crtc_disable_pipe_crc(struct intel_crtc *crtc)
>  {
>       struct intel_display *display = to_intel_display(crtc);
> -     struct drm_i915_private *dev_priv = to_i915(display->drm);
>       struct intel_pipe_crc *pipe_crc = &crtc->pipe_crc;
>       enum pipe pipe = crtc->pipe;
>  
> @@ -669,5 +667,5 @@ void intel_crtc_disable_pipe_crc(struct intel_crtc *crtc)
>  
>       intel_de_write(display, PIPE_CRC_CTL(display, pipe), 0);
>       intel_de_posting_read(display, PIPE_CRC_CTL(display, pipe));
> -     intel_synchronize_irq(dev_priv);
> +     display->parent->irq->synchronize(display->drm);
>  }
> diff --git a/drivers/gpu/drm/i915/i915_driver.c 
> b/drivers/gpu/drm/i915/i915_driver.c
> index c97b76771917..07715aef62d3 100644
> --- a/drivers/gpu/drm/i915/i915_driver.c
> +++ b/drivers/gpu/drm/i915/i915_driver.c
> @@ -741,6 +741,7 @@ static void i915_welcome_messages(struct drm_i915_private 
> *dev_priv)
>  
>  static const struct intel_display_parent_interface parent = {
>       .rpm = &i915_display_rpm_interface,
> +     .irq = &i915_display_irq_interface,
>  };
>  
>  const struct intel_display_parent_interface 
> *i915_driver_parent_interface(void)
> diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
> index 1898be4ddc8b..3fe978d4ea53 100644
> --- a/drivers/gpu/drm/i915/i915_irq.c
> +++ b/drivers/gpu/drm/i915/i915_irq.c
> @@ -33,6 +33,7 @@
>  
>  #include <drm/drm_drv.h>
>  #include <drm/drm_print.h>
> +#include <drm/intel/display_parent_interface.h>
>  
>  #include "display/intel_display_irq.h"
>  #include "display/intel_hotplug.h"
> @@ -1252,3 +1253,18 @@ void intel_synchronize_hardirq(struct drm_i915_private 
> *i915)
>  {
>       synchronize_hardirq(to_pci_dev(i915->drm.dev)->irq);
>  }
> +
> +static bool _intel_irq_enabled(struct drm_device *drm)
> +{
> +     return intel_irqs_enabled(to_i915(drm));
> +}
> +
> +static void _intel_irq_synchronize(struct drm_device *drm)
> +{
> +     return intel_synchronize_irq(to_i915(drm));
> +}
> +
> +const struct intel_display_irq_interface i915_display_irq_interface = {
> +     .enabled = _intel_irq_enabled,
> +     .synchronize = _intel_irq_synchronize,
> +};
> diff --git a/drivers/gpu/drm/i915/i915_irq.h b/drivers/gpu/drm/i915/i915_irq.h
> index 58789b264575..5c87d6d41c74 100644
> --- a/drivers/gpu/drm/i915/i915_irq.h
> +++ b/drivers/gpu/drm/i915/i915_irq.h
> @@ -51,4 +51,6 @@ void gen2_error_reset(struct intel_uncore *uncore, struct 
> i915_error_regs regs);
>  void gen2_error_init(struct intel_uncore *uncore, struct i915_error_regs 
> regs,
>                    u32 emr_val);
>  
> +extern const struct intel_display_irq_interface i915_display_irq_interface;
> +
>  #endif /* __I915_IRQ_H__ */
> diff --git a/drivers/gpu/drm/xe/Makefile b/drivers/gpu/drm/xe/Makefile
> index 7b4ca591a4ae..3bf64fdcf93a 100644
> --- a/drivers/gpu/drm/xe/Makefile
> +++ b/drivers/gpu/drm/xe/Makefile
> @@ -189,7 +189,6 @@ endif
>  
>  # i915 Display compat #defines and #includes
>  subdir-ccflags-$(CONFIG_DRM_XE_DISPLAY) += \
> -     -I$(src)/display/ext \
>       -I$(src)/compat-i915-headers \
>       -I$(srctree)/drivers/gpu/drm/i915/display/ \
>       -Ddrm_i915_private=xe_device
> @@ -206,7 +205,6 @@ $(obj)/i915-display/%.o: 
> $(srctree)/drivers/gpu/drm/i915/display/%.c FORCE
>  
>  # Display code specific to xe
>  xe-$(CONFIG_DRM_XE_DISPLAY) += \
> -     display/ext/i915_irq.o \
>       display/intel_bo.o \
>       display/intel_fb_bo.o \
>       display/intel_fbdev_fb.o \
> diff --git a/drivers/gpu/drm/xe/compat-i915-headers/i915_irq.h 
> b/drivers/gpu/drm/xe/compat-i915-headers/i915_irq.h
> deleted file mode 100644
> index 61707a07f91f..000000000000
> --- a/drivers/gpu/drm/xe/compat-i915-headers/i915_irq.h
> +++ /dev/null
> @@ -1,6 +0,0 @@
> -/* SPDX-License-Identifier: MIT */
> -/*
> - * Copyright © 2023 Intel Corporation
> - */
> -
> -#include "../../i915/i915_irq.h"
> diff --git a/drivers/gpu/drm/xe/display/ext/i915_irq.c 
> b/drivers/gpu/drm/xe/display/ext/i915_irq.c
> deleted file mode 100644
> index 1011c1c754d0..000000000000
> --- a/drivers/gpu/drm/xe/display/ext/i915_irq.c
> +++ /dev/null
> @@ -1,18 +0,0 @@
> -// SPDX-License-Identifier: MIT
> -/*
> - * Copyright © 2023 Intel Corporation
> - */
> -
> -#include "i915_irq.h"
> -#include "i915_reg.h"
> -#include "intel_uncore.h"
> -
> -bool intel_irqs_enabled(struct xe_device *xe)
> -{
> -     return atomic_read(&xe->irq.enabled);
> -}
> -
> -void intel_synchronize_irq(struct xe_device *xe)
> -{
> -     synchronize_irq(to_pci_dev(xe->drm.dev)->irq);
> -}
> diff --git a/drivers/gpu/drm/xe/display/xe_display.c 
> b/drivers/gpu/drm/xe/display/xe_display.c
> index 8b0afa270216..e3320d9e6314 100644
> --- a/drivers/gpu/drm/xe/display/xe_display.c
> +++ b/drivers/gpu/drm/xe/display/xe_display.c
> @@ -516,8 +516,26 @@ static void display_device_remove(struct drm_device 
> *dev, void *arg)
>       intel_display_device_remove(display);
>  }
>  
> +static bool irq_enabled(struct drm_device *drm)
> +{
> +     struct xe_device *xe = to_xe_device(drm);
> +
> +     return atomic_read(&xe->irq.enabled);
> +}
> +
> +static void irq_synchronize(struct drm_device *drm)
> +{
> +     synchronize_irq(to_pci_dev(drm->dev)->irq);
> +}
> +
> +static const struct intel_display_irq_interface xe_display_irq_interface = {
> +     .enabled = irq_enabled,
> +     .synchronize = irq_synchronize,
> +};
> +
>  static const struct intel_display_parent_interface parent = {
>       .rpm = &xe_display_rpm_interface,
> +     .irq = &xe_display_irq_interface,
>  };
>  
>  /**
> diff --git a/include/drm/intel/display_parent_interface.h 
> b/include/drm/intel/display_parent_interface.h
> index 26bedc360044..3a008a18eb65 100644
> --- a/include/drm/intel/display_parent_interface.h
> +++ b/include/drm/intel/display_parent_interface.h
> @@ -25,6 +25,11 @@ struct intel_display_rpm_interface {
>       void (*assert_unblock)(const struct drm_device *drm);
>  };
>  
> +struct intel_display_irq_interface {
> +     bool (*enabled)(struct drm_device *drm);
> +     void (*synchronize)(struct drm_device *drm);
> +};
> +
>  /**
>   * struct intel_display_parent_interface - services parent driver provides 
> to display
>   *
> @@ -40,6 +45,9 @@ struct intel_display_rpm_interface {
>  struct intel_display_parent_interface {
>       /** @rpm: Runtime PM functions */
>       const struct intel_display_rpm_interface *rpm;
> +
> +     /** @irq: IRQ interface */
> +     const struct intel_display_irq_interface *irq;
>  };
>  
>  #endif
> -- 
> 2.47.3

-- 
Ville Syrjälä
Intel

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