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AR-1 - Adding support category for distributions AR-4 - Remove Allwinner legacy AR-5 - Drop Udoo family and move Udoo board into newly created imx6 family AR-9 - Rename sunxi-next to sunxi-legacy AR-10 - Rename sunxi-dev to sunxi-current AR-11 - Adding Radxa Rockpi S support AR-13 - Rename rockchip64-default to rockchip64-legacy AR-14 - Add rockchip64-current as mainline source AR-15 - Drop Rockchip 4.19.y NEXT, current become 5.3.y AR-16 - Rename RK3399 default to legacy AR-17 - Rename Odroid XU4 next and default to legacy 4.14.y, add DEV 5.4.y AR-18 - Add Odroid N2 current mainline AR-19 - Move Odroid C1 to meson family AR-20 - Rename mvebu64-default to mvebu64-legacy AR-21 - Rename mvebu-default to mvebu-legacy AR-22 - Rename mvebu-next to mvebu-current AR-23 - Drop meson64 default and next, current becomes former DEV 5.3.y AR-24 - Drop cubox family and move Cubox/Hummingboard boards under imx6 AR-26 - Adjust motd AR-27 - Enabling distribution release status AR-28 - Added new GCC compilers AR-29 - Implementing Ubuntu Eoan AR-30 - Add desktop packages per board or family AR-31 - Remove (Ubuntu/Debian) distribution name from image filename AR-32 - Move arch configs from configuration.sh to separate arm64 and armhf config files AR-33 - Revision numbers for beta builds changed to day_in_the_year AR-34 - Patches support linked patches AR-35 - Break meson64 family into gxbb and gxl AR-36 - Add Nanopineo2 Black AR-38 - Upgrade option from old branches to new one via armbian-config AR-41 - Show full timezone info AR-43 - Merge Odroid N2 to meson64 AR-44 - Enable FORCE_BOOTSCRIPT_UPDATE for all builds
131 lines
4.5 KiB
Diff
131 lines
4.5 KiB
Diff
From 7fe721b0e0c72de29b4cfe9b3d6aa80a64f1603d Mon Sep 17 00:00:00 2001
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From: Qiang Yu <yuq825@gmail.com>
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Date: Mon, 14 May 2018 22:17:43 +0800
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Subject: [PATCH 051/146] drm/lima: add BCAST related function
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BCAST is a hardware module to broadcast register
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read/write for PPs. It can also merge IRQs from
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different PPs into one IRQ.
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Signed-off-by: Qiang Yu <yuq825@gmail.com>
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---
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drivers/gpu/drm/lima/lima_bcast.c | 65 +++++++++++++++++++++++++++++++
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drivers/gpu/drm/lima/lima_bcast.h | 34 ++++++++++++++++
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2 files changed, 99 insertions(+)
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create mode 100644 drivers/gpu/drm/lima/lima_bcast.c
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create mode 100644 drivers/gpu/drm/lima/lima_bcast.h
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diff --git a/drivers/gpu/drm/lima/lima_bcast.c b/drivers/gpu/drm/lima/lima_bcast.c
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new file mode 100644
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index 000000000000..32012a61ea6a
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--- /dev/null
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+++ b/drivers/gpu/drm/lima/lima_bcast.c
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@@ -0,0 +1,65 @@
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+/*
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+ * Copyright (C) 2017-2018 Lima Project
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+ *
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+ * Permission is hereby granted, free of charge, to any person obtaining a
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+ * copy of this software and associated documentation files (the "Software"),
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+ * to deal in the Software without restriction, including without limitation
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+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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+ * and/or sell copies of the Software, and to permit persons to whom the
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+ * Software is furnished to do so, subject to the following conditions:
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+ *
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+ * The above copyright notice and this permission notice shall be included in
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+ * all copies or substantial portions of the Software.
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+ *
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+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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+ * OTHER DEALINGS IN THE SOFTWARE.
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+ */
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+
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+#include <linux/io.h>
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+#include <linux/device.h>
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+
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+#include "lima_device.h"
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+#include "lima_bcast.h"
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+#include "lima_regs.h"
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+
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+#define bcast_write(reg, data) writel(data, ip->iomem + LIMA_BCAST_##reg)
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+#define bcast_read(reg) readl(ip->iomem + LIMA_BCAST_##reg)
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+
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+void lima_bcast_enable(struct lima_device *dev)
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+{
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+ struct lima_sched_pipe *pipe = dev->pipe + lima_pipe_pp;
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+ struct lima_ip *ip = dev->ip + lima_ip_bcast;
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+ int i, mask = 0;
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+
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+ for (i = 0; i < pipe->num_processor; i++) {
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+ struct lima_ip *pp = pipe->processor[i];
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+ mask |= 1 << (pp->id - lima_ip_pp0);
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+ }
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+
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+ bcast_write(BROADCAST_MASK, (mask << 16) | mask);
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+ bcast_write(INTERRUPT_MASK, mask);
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+}
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+
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+void lima_bcast_disable(struct lima_device *dev)
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+{
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+ struct lima_ip *ip = dev->ip + lima_ip_bcast;
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+
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+ bcast_write(BROADCAST_MASK, 0);
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+ bcast_write(INTERRUPT_MASK, 0);
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+}
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+
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+int lima_bcast_init(struct lima_ip *ip)
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+{
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+ return 0;
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+}
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+
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+void lima_bcast_fini(struct lima_ip *ip)
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+{
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+
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+}
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+
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diff --git a/drivers/gpu/drm/lima/lima_bcast.h b/drivers/gpu/drm/lima/lima_bcast.h
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new file mode 100644
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index 000000000000..abafd4f613c7
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--- /dev/null
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+++ b/drivers/gpu/drm/lima/lima_bcast.h
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@@ -0,0 +1,34 @@
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+/*
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+ * Copyright (C) 2017-2018 Lima Project
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+ *
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+ * Permission is hereby granted, free of charge, to any person obtaining a
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+ * copy of this software and associated documentation files (the "Software"),
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+ * to deal in the Software without restriction, including without limitation
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+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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+ * and/or sell copies of the Software, and to permit persons to whom the
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+ * Software is furnished to do so, subject to the following conditions:
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+ *
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+ * The above copyright notice and this permission notice shall be included in
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+ * all copies or substantial portions of the Software.
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+ *
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+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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+ * OTHER DEALINGS IN THE SOFTWARE.
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+ */
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+
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+#ifndef __LIMA_BCAST_H__
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+#define __LIMA_BCAST_H__
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+
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+struct lima_ip;
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+
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+int lima_bcast_init(struct lima_ip *ip);
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+void lima_bcast_fini(struct lima_ip *ip);
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+
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+void lima_bcast_enable(struct lima_device *dev);
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+void lima_bcast_disable(struct lima_device *dev);
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+
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+#endif
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--
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2.17.1
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