drm/radeon: Track IRQ state in local device state

Replace usage of struct drm_device.irq_enabled with the driver's
own state field struct radeon_device.irq.installed. The field in
the DRM device structure is considered legacy and should not be
used by KMS drivers.
Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20210625082222.3845-4-tzimmermann@suse.de

drivers/gpu/drm/radeon/radeon_fence.c

@@ -288,7 +288,7 @@ static void radeon_fence_check_lockup(struct work_struct *work)
 		return;
 	}
 
-	if (fence_drv->delayed_irq && rdev->ddev->irq_enabled) {
+	if (fence_drv->delayed_irq && rdev->irq.installed) {
 		unsigned long irqflags;
 
 		fence_drv->delayed_irq = false;

drivers/gpu/drm/radeon/radeon_irq_kms.c

@@ -357,7 +357,7 @@ void radeon_irq_kms_sw_irq_get(struct radeon_device *rdev, int ring)
 {
 	unsigned long irqflags;
 
-	if (!rdev->ddev->irq_enabled)
+	if (!rdev->irq.installed)
 		return;
 
 	if (atomic_inc_return(&rdev->irq.ring_int[ring]) == 1) {
@@ -396,7 +396,7 @@ void radeon_irq_kms_sw_irq_put(struct radeon_device *rdev, int ring)
 {
 	unsigned long irqflags;
 
-	if (!rdev->ddev->irq_enabled)
+	if (!rdev->irq.installed)
 		return;
 
 	if (atomic_dec_and_test(&rdev->irq.ring_int[ring])) {
@@ -422,7 +422,7 @@ void radeon_irq_kms_pflip_irq_get(struct radeon_device *rdev, int crtc)
 	if (crtc < 0 || crtc >= rdev->num_crtc)
 		return;
 
-	if (!rdev->ddev->irq_enabled)
+	if (!rdev->irq.installed)
 		return;
 
 	if (atomic_inc_return(&rdev->irq.pflip[crtc]) == 1) {
@@ -448,7 +448,7 @@ void radeon_irq_kms_pflip_irq_put(struct radeon_device *rdev, int crtc)
 	if (crtc < 0 || crtc >= rdev->num_crtc)
 		return;
 
-	if (!rdev->ddev->irq_enabled)
+	if (!rdev->irq.installed)
 		return;
 
 	if (atomic_dec_and_test(&rdev->irq.pflip[crtc])) {
@@ -470,7 +470,7 @@ void radeon_irq_kms_enable_afmt(struct radeon_device *rdev, int block)
 {
 	unsigned long irqflags;
 
-	if (!rdev->ddev->irq_enabled)
+	if (!rdev->irq.installed)
 		return;
 
 	spin_lock_irqsave(&rdev->irq.lock, irqflags);
@@ -492,7 +492,7 @@ void radeon_irq_kms_disable_afmt(struct radeon_device *rdev, int block)
 {
 	unsigned long irqflags;
 
-	if (!rdev->ddev->irq_enabled)
+	if (!rdev->irq.installed)
 		return;
 
 	spin_lock_irqsave(&rdev->irq.lock, irqflags);
@@ -514,7 +514,7 @@ void radeon_irq_kms_enable_hpd(struct radeon_device *rdev, unsigned hpd_mask)
 	unsigned long irqflags;
 	int i;
 
-	if (!rdev->ddev->irq_enabled)
+	if (!rdev->irq.installed)
 		return;
 
 	spin_lock_irqsave(&rdev->irq.lock, irqflags);
@@ -537,7 +537,7 @@ void radeon_irq_kms_disable_hpd(struct radeon_device *rdev, unsigned hpd_mask)
 	unsigned long irqflags;
 	int i;
 
-	if (!rdev->ddev->irq_enabled)
+	if (!rdev->irq.installed)
 		return;
 
 	spin_lock_irqsave(&rdev->irq.lock, irqflags);