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drm/xe/display: Add macro with display driver features

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Instead of updating drm_driver.driver_features in the runtime, we
can use macro which value depends on the CONFIG_DRM_XE_DISPLAY.

And if display support is later disabled by the xe_modparam then we
will clear related bits in the drm_device.driver_features instead.

Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patch.msgid.link/20260512183342.3374-6-michal.wajdeczko@intel.com
This commit is contained in:
Michal Wajdeczko 2026-05-12 20:33:40 +02:00
parent 358315f019
commit 7caa8cad3a
3 changed files with 5 additions and 3 deletions
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4
drivers/gpu/drm/xe/display/xe_display.c
View File

@ -84,13 +84,11 @@ void xe_display_driver_set_hooks(struct drm_driver *driver)
{
if (!xe_modparam.probe_display)
return;
driver->driver_features |= DRIVER_MODESET | DRIVER_ATOMIC;
}
static void unset_display_features(struct xe_device *xe)
{
xe->drm.driver_features &= ~(DRIVER_MODESET | DRIVER_ATOMIC);
xe->drm.driver_features &= ~XE_DISPLAY_DRIVER_FEATURES;
}
static void xe_display_fini_early(void *arg)

2
drivers/gpu/drm/xe/display/xe_display.h
View File

@ -44,12 +44,14 @@ void xe_display_pm_runtime_suspend(struct xe_device *xe);
void xe_display_pm_runtime_suspend_late(struct xe_device *xe);
void xe_display_pm_runtime_resume(struct xe_device *xe);
#define XE_DISPLAY_DRIVER_FEATURES (DRIVER_MODESET | DRIVER_ATOMIC)
#define XE_DISPLAY_DRIVER_OPS \
.fbdev_probe = PTR_IF(IS_ENABLED(CONFIG_DRM_FBDEV_EMULATION), \
xe_display_driver_fbdev_probe)
#else
#define XE_DISPLAY_DRIVER_FEATURES 0
#define XE_DISPLAY_DRIVER_OPS \
.fbdev_probe = NULL

2
drivers/gpu/drm/xe/xe_device.c
View File

@ -393,6 +393,7 @@ bool xe_is_xe_file(const struct file *file)
static struct drm_driver regular_driver = {
.driver_features =
XE_DISPLAY_DRIVER_FEATURES |
DRIVER_GEM |
DRIVER_RENDER | DRIVER_SYNCOBJ |
DRIVER_SYNCOBJ_TIMELINE | DRIVER_GEM_GPUVA,
@ -425,6 +426,7 @@ static const struct drm_ioctl_desc xe_ioctls_admin_only[] = {
static struct drm_driver admin_only_driver = {
.driver_features =
XE_DISPLAY_DRIVER_FEATURES |
DRIVER_GEM | DRIVER_RENDER | DRIVER_GEM_GPUVA,
.open = xe_file_open,
.postclose = xe_file_close,