Adding upstream version 6.1.76.upstream/6.1.76upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 62 insertions, 0 deletions

diff --git a/drivers/gpu/drm/lima/lima_bcast.c b/drivers/gpu/drm/lima/lima_bcast.c
new file mode 100644
index 000000000..fbc43f243
--- /dev/null
+++ b/drivers/gpu/drm/lima/lima_bcast.c
@@ -0,0 +1,62 @@
+// SPDX-License-Identifier: GPL-2.0 OR MIT
+/* Copyright 2018-2019 Qiang Yu <yuq825@gmail.com> */
+
+#include <linux/io.h>
+#include <linux/device.h>
+
+#include "lima_device.h"
+#include "lima_bcast.h"
+#include "lima_regs.h"
+
+#define bcast_write(reg, data) writel(data, ip->iomem + reg)
+#define bcast_read(reg) readl(ip->iomem + reg)
+
+void lima_bcast_enable(struct lima_device *dev, int num_pp)
+{
+	struct lima_sched_pipe *pipe = dev->pipe + lima_pipe_pp;
+	struct lima_ip *ip = dev->ip + lima_ip_bcast;
+	int i, mask = bcast_read(LIMA_BCAST_BROADCAST_MASK) & 0xffff0000;
+
+	for (i = 0; i < num_pp; i++) {
+		struct lima_ip *pp = pipe->processor[i];
+
+		mask |= 1 << (pp->id - lima_ip_pp0);
+	}
+
+	bcast_write(LIMA_BCAST_BROADCAST_MASK, mask);
+}
+
+static int lima_bcast_hw_init(struct lima_ip *ip)
+{
+	bcast_write(LIMA_BCAST_BROADCAST_MASK, ip->data.mask << 16);
+	bcast_write(LIMA_BCAST_INTERRUPT_MASK, ip->data.mask);
+	return 0;
+}
+
+int lima_bcast_resume(struct lima_ip *ip)
+{
+	return lima_bcast_hw_init(ip);
+}
+
+void lima_bcast_suspend(struct lima_ip *ip)
+{
+
+}
+
+int lima_bcast_init(struct lima_ip *ip)
+{
+	int i;
+
+	for (i = lima_ip_pp0; i <= lima_ip_pp7; i++) {
+		if (ip->dev->ip[i].present)
+			ip->data.mask |= 1 << (i - lima_ip_pp0);
+	}
+
+	return lima_bcast_hw_init(ip);
+}
+
+void lima_bcast_fini(struct lima_ip *ip)
+{
+
+}
+