drm: IRQ midlayer is now legacy

Hide the DRM midlayer behind CONFIG_DRM_LEGACY, make functions use
the prefix drm_legacy_, and move declarations to drm_legacy.h.
In struct drm_device, move the fields irq and irq_enabled behind
CONFIG_DRM_LEGACY.

All callers have been updated.

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210803090704.32152-15-tzimmermann@suse.de

1 files changed, 4 insertions, 40 deletions

diff --git a/include/drm/drm_drv.h b/include/drm/drm_drv.h
index b439ae1921b8..0cd95953cdf5 100644
--- a/include/drm/drm_drv.h
+++ b/include/drm/drm_drv.h
@@ -137,10 +137,6 @@ enum drm_driver_feature {
 	 * @DRIVER_HAVE_IRQ:
 	 *
 	 * Legacy irq support. Only for legacy drivers. Do not use.
-	 *
-	 * New drivers can either use the drm_irq_install() and
-	 * drm_irq_uninstall() helper functions, or roll their own irq support
-	 * code by calling request_irq() directly.
 	 */
 	DRIVER_HAVE_IRQ			= BIT(30),
 	/**
@@ -272,42 +268,6 @@ struct drm_driver {
 	void (*release) (struct drm_device *);
 
 	/**
-	 * @irq_handler:
-	 *
-	 * Interrupt handler called when using drm_irq_install(). Not used by
-	 * drivers which implement their own interrupt handling.
-	 */
-	irqreturn_t(*irq_handler) (int irq, void *arg);
-
-	/**
-	 * @irq_preinstall:
-	 *
-	 * Optional callback used by drm_irq_install() which is called before
-	 * the interrupt handler is registered. This should be used to clear out
-	 * any pending interrupts (from e.g. firmware based drives) and reset
-	 * the interrupt handling registers.
-	 */
-	void (*irq_preinstall) (struct drm_device *dev);
-
-	/**
-	 * @irq_postinstall:
-	 *
-	 * Optional callback used by drm_irq_install() which is called after
-	 * the interrupt handler is registered. This should be used to enable
-	 * interrupt generation in the hardware.
-	 */
-	int (*irq_postinstall) (struct drm_device *dev);
-
-	/**
-	 * @irq_uninstall:
-	 *
-	 * Optional callback used by drm_irq_uninstall() which is called before
-	 * the interrupt handler is unregistered. This should be used to disable
-	 * interrupt generation in the hardware.
-	 */
-	void (*irq_uninstall) (struct drm_device *dev);
-
-	/**
 	 * @master_set:
 	 *
 	 * Called whenever the minor master is set. Only used by vmwgfx.
@@ -504,6 +464,10 @@ struct drm_driver {
 	int (*dma_ioctl) (struct drm_device *dev, void *data, struct drm_file *file_priv);
 	int (*dma_quiescent) (struct drm_device *);
 	int (*context_dtor) (struct drm_device *dev, int context);
+	irqreturn_t (*irq_handler)(int irq, void *arg);
+	void (*irq_preinstall)(struct drm_device *dev);
+	int (*irq_postinstall)(struct drm_device *dev);
+	void (*irq_uninstall)(struct drm_device *dev);
 	u32 (*get_vblank_counter)(struct drm_device *dev, unsigned int pipe);
 	int (*enable_vblank)(struct drm_device *dev, unsigned int pipe);
 	void (*disable_vblank)(struct drm_device *dev, unsigned int pipe);