[PATCH] drm/i915/display: add intel_display_device_present()
Jani Nikula
jani.nikula at intel.com
Tue May 27 11:46:45 UTC 2025
Add a proper function for display && HAS_DISPLAY(display) to hide direct
struct intel_display access from a number of places outside of display.
Signed-off-by: Jani Nikula <jani.nikula at intel.com>
---
.../drm/i915/display/intel_display_device.c | 5 +++
.../drm/i915/display/intel_display_device.h | 1 +
.../i915/gem/selftests/i915_gem_client_blt.c | 4 +--
drivers/gpu/drm/i915/i915_driver.c | 17 +++++-----
drivers/gpu/drm/i915/i915_switcheroo.c | 7 ++--
drivers/gpu/drm/i915/soc/intel_dram.c | 3 +-
drivers/gpu/drm/xe/display/xe_display.c | 33 ++++++++-----------
7 files changed, 36 insertions(+), 34 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_display_device.c b/drivers/gpu/drm/i915/display/intel_display_device.c
index 1d8c2036d967..765243e3e22d 100644
--- a/drivers/gpu/drm/i915/display/intel_display_device.c
+++ b/drivers/gpu/drm/i915/display/intel_display_device.c
@@ -1929,6 +1929,11 @@ void intel_display_device_info_print(const struct intel_display_device_info *inf
drm_printf(p, "rawclk rate: %u kHz\n", runtime->rawclk_freq);
}
+bool intel_display_device_present(struct intel_display *display)
+{
+ return display && HAS_DISPLAY(display);
+}
+
/*
* Assuming the device has display hardware, should it be enabled?
*
diff --git a/drivers/gpu/drm/i915/display/intel_display_device.h b/drivers/gpu/drm/i915/display/intel_display_device.h
index 0ac5484c0043..f676aa9ecdf8 100644
--- a/drivers/gpu/drm/i915/display/intel_display_device.h
+++ b/drivers/gpu/drm/i915/display/intel_display_device.h
@@ -308,6 +308,7 @@ struct intel_display_device_info {
} color;
};
+bool intel_display_device_present(struct intel_display *display);
bool intel_display_device_enabled(struct intel_display *display);
struct intel_display *intel_display_device_probe(struct pci_dev *pdev);
void intel_display_device_remove(struct intel_display *display);
diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_client_blt.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_client_blt.c
index 86d9d2fcb6a6..4fa5caa1ec6d 100644
--- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_client_blt.c
+++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_client_blt.c
@@ -5,7 +5,7 @@
#include "i915_selftest.h"
-#include "display/intel_display_core.h"
+#include "display/intel_display_device.h"
#include "gt/intel_context.h"
#include "gt/intel_engine_regs.h"
#include "gt/intel_engine_user.h"
@@ -121,7 +121,7 @@ static bool fastblit_supports_x_tiling(const struct drm_i915_private *i915)
if (GRAPHICS_VER_FULL(i915) < IP_VER(12, 55))
return false;
- return HAS_DISPLAY(i915);
+ return intel_display_device_present(i915->display);
}
static bool fast_blit_ok(const struct blit_buffer *buf)
diff --git a/drivers/gpu/drm/i915/i915_driver.c b/drivers/gpu/drm/i915/i915_driver.c
index 3b0bda74697d..937495eb5690 100644
--- a/drivers/gpu/drm/i915/i915_driver.c
+++ b/drivers/gpu/drm/i915/i915_driver.c
@@ -51,13 +51,14 @@
#include "display/intel_bw.h"
#include "display/intel_cdclk.h"
#include "display/intel_crtc.h"
-#include "display/intel_display_core.h"
+#include "display/intel_display_device.h"
#include "display/intel_display_driver.h"
#include "display/intel_dmc.h"
#include "display/intel_dp.h"
#include "display/intel_dpt.h"
#include "display/intel_encoder.h"
#include "display/intel_fbdev.h"
+#include "display/intel_gmbus.h"
#include "display/intel_hotplug.h"
#include "display/intel_opregion.h"
#include "display/intel_overlay.h"
@@ -975,7 +976,7 @@ void i915_driver_shutdown(struct drm_i915_private *i915)
intel_power_domains_disable(display);
drm_client_dev_suspend(&i915->drm, false);
- if (HAS_DISPLAY(i915)) {
+ if (intel_display_device_present(i915->display)) {
drm_kms_helper_poll_disable(&i915->drm);
intel_display_driver_disable_user_access(display);
@@ -987,7 +988,7 @@ void i915_driver_shutdown(struct drm_i915_private *i915)
intel_irq_suspend(i915);
intel_hpd_cancel_work(display);
- if (HAS_DISPLAY(i915))
+ if (intel_display_device_present(i915->display))
intel_display_driver_suspend_access(display);
intel_encoder_suspend_all(display);
@@ -1058,7 +1059,7 @@ static int i915_drm_suspend(struct drm_device *dev)
* properly. */
intel_power_domains_disable(display);
drm_client_dev_suspend(dev, false);
- if (HAS_DISPLAY(dev_priv)) {
+ if (intel_display_device_present(dev_priv->display)) {
drm_kms_helper_poll_disable(dev);
intel_display_driver_disable_user_access(display);
}
@@ -1070,7 +1071,7 @@ static int i915_drm_suspend(struct drm_device *dev)
intel_irq_suspend(dev_priv);
intel_hpd_cancel_work(display);
- if (HAS_DISPLAY(dev_priv))
+ if (intel_display_device_present(dev_priv->display))
intel_display_driver_suspend_access(display);
intel_encoder_suspend_all(display);
@@ -1217,7 +1218,7 @@ static int i915_drm_resume(struct drm_device *dev)
*/
intel_irq_resume(dev_priv);
- if (HAS_DISPLAY(dev_priv))
+ if (intel_display_device_present(dev_priv->display))
drm_mode_config_reset(dev);
i915_gem_resume(dev_priv);
@@ -1226,14 +1227,14 @@ static int i915_drm_resume(struct drm_device *dev)
intel_clock_gating_init(dev_priv);
- if (HAS_DISPLAY(dev_priv))
+ if (intel_display_device_present(dev_priv->display))
intel_display_driver_resume_access(display);
intel_hpd_init(display);
intel_display_driver_resume(display);
- if (HAS_DISPLAY(dev_priv)) {
+ if (intel_display_device_present(dev_priv->display)) {
intel_display_driver_enable_user_access(display);
drm_kms_helper_poll_enable(dev);
}
diff --git a/drivers/gpu/drm/i915/i915_switcheroo.c b/drivers/gpu/drm/i915/i915_switcheroo.c
index 4c02a04be681..431a8559e489 100644
--- a/drivers/gpu/drm/i915/i915_switcheroo.c
+++ b/drivers/gpu/drm/i915/i915_switcheroo.c
@@ -5,7 +5,7 @@
#include <linux/vga_switcheroo.h>
-#include "display/intel_display_core.h"
+#include "display/intel_display_device.h"
#include "i915_driver.h"
#include "i915_drv.h"
@@ -21,7 +21,7 @@ static void i915_switcheroo_set_state(struct pci_dev *pdev,
dev_err(&pdev->dev, "DRM not initialized, aborting switch.\n");
return;
}
- if (!HAS_DISPLAY(i915)) {
+ if (!intel_display_device_present(i915->display)) {
dev_err(&pdev->dev, "Device state not initialized, aborting switch.\n");
return;
}
@@ -50,7 +50,8 @@ static bool i915_switcheroo_can_switch(struct pci_dev *pdev)
* locking inversion with the driver load path. And the access here is
* completely racy anyway. So don't bother with locking for now.
*/
- return i915 && HAS_DISPLAY(i915) && atomic_read(&i915->drm.open_count) == 0;
+ return i915 && intel_display_device_present(i915->display) &&
+ atomic_read(&i915->drm.open_count) == 0;
}
static const struct vga_switcheroo_client_ops i915_switcheroo_ops = {
diff --git a/drivers/gpu/drm/i915/soc/intel_dram.c b/drivers/gpu/drm/i915/soc/intel_dram.c
index 9f806ce0eb9e..ecfa5347ffd6 100644
--- a/drivers/gpu/drm/i915/soc/intel_dram.c
+++ b/drivers/gpu/drm/i915/soc/intel_dram.c
@@ -716,7 +716,8 @@ void intel_dram_detect(struct drm_i915_private *i915)
detect_fsb_freq(i915);
detect_mem_freq(i915);
- if (GRAPHICS_VER(i915) < 9 || IS_DG2(i915) || !HAS_DISPLAY(i915))
+ if (GRAPHICS_VER(i915) < 9 || IS_DG2(i915) ||
+ !intel_display_device_present(i915->display))
return;
/*
diff --git a/drivers/gpu/drm/xe/display/xe_display.c b/drivers/gpu/drm/xe/display/xe_display.c
index 3f92bf51813e..142e2065fce8 100644
--- a/drivers/gpu/drm/xe/display/xe_display.c
+++ b/drivers/gpu/drm/xe/display/xe_display.c
@@ -20,7 +20,7 @@
#include "intel_audio.h"
#include "intel_bw.h"
#include "intel_display.h"
-#include "intel_display_core.h"
+#include "intel_display_device.h"
#include "intel_display_driver.h"
#include "intel_display_irq.h"
#include "intel_display_types.h"
@@ -37,13 +37,6 @@
/* Xe device functions */
-static bool has_display(struct xe_device *xe)
-{
- struct intel_display *display = xe->display;
-
- return HAS_DISPLAY(display);
-}
-
/**
* xe_display_driver_probe_defer - Detect if we need to wait for other drivers
* early on
@@ -287,7 +280,7 @@ static void xe_display_enable_d3cold(struct xe_device *xe)
intel_dmc_suspend(display);
- if (has_display(xe))
+ if (intel_display_device_present(display))
intel_hpd_poll_enable(display);
}
@@ -300,14 +293,14 @@ static void xe_display_disable_d3cold(struct xe_device *xe)
intel_dmc_resume(display);
- if (has_display(xe))
+ if (intel_display_device_present(display))
drm_mode_config_reset(&xe->drm);
intel_display_driver_init_hw(display);
intel_hpd_init(display);
- if (has_display(xe))
+ if (intel_display_device_present(display))
intel_hpd_poll_disable(display);
intel_opregion_resume(display);
@@ -330,7 +323,7 @@ void xe_display_pm_suspend(struct xe_device *xe)
intel_power_domains_disable(display);
drm_client_dev_suspend(&xe->drm, false);
- if (has_display(xe)) {
+ if (intel_display_device_present(display)) {
drm_kms_helper_poll_disable(&xe->drm);
intel_display_driver_disable_user_access(display);
intel_display_driver_suspend(display);
@@ -340,7 +333,7 @@ void xe_display_pm_suspend(struct xe_device *xe)
intel_hpd_cancel_work(display);
- if (has_display(xe)) {
+ if (intel_display_device_present(display)) {
intel_display_driver_suspend_access(display);
intel_encoder_suspend_all(display);
}
@@ -360,7 +353,7 @@ void xe_display_pm_shutdown(struct xe_device *xe)
intel_power_domains_disable(display);
drm_client_dev_suspend(&xe->drm, false);
- if (has_display(xe)) {
+ if (intel_display_device_present(display)) {
drm_kms_helper_poll_disable(&xe->drm);
intel_display_driver_disable_user_access(display);
intel_display_driver_suspend(display);
@@ -370,7 +363,7 @@ void xe_display_pm_shutdown(struct xe_device *xe)
intel_dp_mst_suspend(display);
intel_hpd_cancel_work(display);
- if (has_display(xe))
+ if (intel_display_device_present(display))
intel_display_driver_suspend_access(display);
intel_encoder_suspend_all(display);
@@ -459,23 +452,23 @@ void xe_display_pm_resume(struct xe_device *xe)
intel_dmc_resume(display);
- if (has_display(xe))
+ if (intel_display_device_present(display))
drm_mode_config_reset(&xe->drm);
intel_display_driver_init_hw(display);
- if (has_display(xe))
+ if (intel_display_device_present(display))
intel_display_driver_resume_access(display);
intel_hpd_init(display);
- if (has_display(xe)) {
+ if (intel_display_device_present(display)) {
intel_display_driver_resume(display);
drm_kms_helper_poll_enable(&xe->drm);
intel_display_driver_enable_user_access(display);
}
- if (has_display(xe))
+ if (intel_display_device_present(display))
intel_hpd_poll_disable(display);
intel_opregion_resume(display);
@@ -540,7 +533,7 @@ int xe_display_probe(struct xe_device *xe)
xe->display = display;
- if (has_display(xe))
+ if (intel_display_device_present(display))
return 0;
no_display:
--
2.39.5
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