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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/gpu/host1x/hw/debug_hw_1x06.c
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/host1x/hw/debug_hw_1x06.c')
-rw-r--r--drivers/gpu/host1x/hw/debug_hw_1x06.c145
1 files changed, 145 insertions, 0 deletions
diff --git a/drivers/gpu/host1x/hw/debug_hw_1x06.c b/drivers/gpu/host1x/hw/debug_hw_1x06.c
new file mode 100644
index 000000000..9d0667879
--- /dev/null
+++ b/drivers/gpu/host1x/hw/debug_hw_1x06.c
@@ -0,0 +1,145 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (C) 2010 Google, Inc.
+ * Author: Erik Gilling <konkers@android.com>
+ *
+ * Copyright (C) 2011-2017 NVIDIA Corporation
+ */
+
+#include "../dev.h"
+#include "../debug.h"
+#include "../cdma.h"
+#include "../channel.h"
+
+static void host1x_debug_show_channel_cdma(struct host1x *host,
+ struct host1x_channel *ch,
+ struct output *o)
+{
+ struct host1x_cdma *cdma = &ch->cdma;
+ dma_addr_t dmastart = 0, dmaend = 0;
+ u32 dmaput, dmaget, dmactrl;
+ u32 offset, class;
+ u32 ch_stat;
+
+#if defined(CONFIG_ARCH_DMA_ADDR_T_64BIT) && HOST1X_HW >= 6
+ dmastart = host1x_ch_readl(ch, HOST1X_CHANNEL_DMASTART_HI);
+ dmastart <<= 32;
+#endif
+ dmastart |= host1x_ch_readl(ch, HOST1X_CHANNEL_DMASTART);
+
+#if defined(CONFIG_ARCH_DMA_ADDR_T_64BIT) && HOST1X_HW >= 6
+ dmaend = host1x_ch_readl(ch, HOST1X_CHANNEL_DMAEND_HI);
+ dmaend <<= 32;
+#endif
+ dmaend |= host1x_ch_readl(ch, HOST1X_CHANNEL_DMAEND);
+
+ dmaput = host1x_ch_readl(ch, HOST1X_CHANNEL_DMAPUT);
+ dmaget = host1x_ch_readl(ch, HOST1X_CHANNEL_DMAGET);
+ dmactrl = host1x_ch_readl(ch, HOST1X_CHANNEL_DMACTRL);
+ offset = host1x_ch_readl(ch, HOST1X_CHANNEL_CMDP_OFFSET);
+ class = host1x_ch_readl(ch, HOST1X_CHANNEL_CMDP_CLASS);
+ ch_stat = host1x_ch_readl(ch, HOST1X_CHANNEL_CHANNELSTAT);
+
+ host1x_debug_output(o, "%u-%s: ", ch->id, dev_name(ch->dev));
+
+ if (dmactrl & HOST1X_CHANNEL_DMACTRL_DMASTOP ||
+ !ch->cdma.push_buffer.mapped) {
+ host1x_debug_output(o, "inactive\n\n");
+ return;
+ }
+
+ if (class == HOST1X_CLASS_HOST1X && offset == HOST1X_UCLASS_WAIT_SYNCPT)
+ host1x_debug_output(o, "waiting on syncpt\n");
+ else
+ host1x_debug_output(o, "active class %02x, offset %04x\n",
+ class, offset);
+
+ host1x_debug_output(o, "DMASTART %pad, DMAEND %pad\n", &dmastart, &dmaend);
+ host1x_debug_output(o, "DMAPUT %08x DMAGET %08x DMACTL %08x\n",
+ dmaput, dmaget, dmactrl);
+ host1x_debug_output(o, "CHANNELSTAT %02x\n", ch_stat);
+
+ show_channel_gathers(o, cdma);
+ host1x_debug_output(o, "\n");
+}
+
+static void host1x_debug_show_channel_fifo(struct host1x *host,
+ struct host1x_channel *ch,
+ struct output *o)
+{
+#if HOST1X_HW <= 6
+ u32 rd_ptr, wr_ptr, start, end;
+ u32 payload = INVALID_PAYLOAD;
+ unsigned int data_count = 0;
+#endif
+ u32 val;
+
+ host1x_debug_output(o, "%u: fifo:\n", ch->id);
+
+ val = host1x_ch_readl(ch, HOST1X_CHANNEL_CMDFIFO_STAT);
+ host1x_debug_output(o, "CMDFIFO_STAT %08x\n", val);
+ if (val & HOST1X_CHANNEL_CMDFIFO_STAT_EMPTY) {
+ host1x_debug_output(o, "[empty]\n");
+ return;
+ }
+
+ val = host1x_ch_readl(ch, HOST1X_CHANNEL_CMDFIFO_RDATA);
+ host1x_debug_output(o, "CMDFIFO_RDATA %08x\n", val);
+
+#if HOST1X_HW <= 6
+ /* Peek pointer values are invalid during SLCG, so disable it */
+ host1x_hypervisor_writel(host, 0x1, HOST1X_HV_ICG_EN_OVERRIDE);
+
+ val = 0;
+ val |= HOST1X_HV_CMDFIFO_PEEK_CTRL_ENABLE;
+ val |= HOST1X_HV_CMDFIFO_PEEK_CTRL_CHANNEL(ch->id);
+ host1x_hypervisor_writel(host, val, HOST1X_HV_CMDFIFO_PEEK_CTRL);
+
+ val = host1x_hypervisor_readl(host, HOST1X_HV_CMDFIFO_PEEK_PTRS);
+ rd_ptr = HOST1X_HV_CMDFIFO_PEEK_PTRS_RD_PTR_V(val);
+ wr_ptr = HOST1X_HV_CMDFIFO_PEEK_PTRS_WR_PTR_V(val);
+
+ val = host1x_hypervisor_readl(host, HOST1X_HV_CMDFIFO_SETUP(ch->id));
+ start = HOST1X_HV_CMDFIFO_SETUP_BASE_V(val);
+ end = HOST1X_HV_CMDFIFO_SETUP_LIMIT_V(val);
+
+ do {
+ val = 0;
+ val |= HOST1X_HV_CMDFIFO_PEEK_CTRL_ENABLE;
+ val |= HOST1X_HV_CMDFIFO_PEEK_CTRL_CHANNEL(ch->id);
+ val |= HOST1X_HV_CMDFIFO_PEEK_CTRL_ADDR(rd_ptr);
+ host1x_hypervisor_writel(host, val,
+ HOST1X_HV_CMDFIFO_PEEK_CTRL);
+
+ val = host1x_hypervisor_readl(host,
+ HOST1X_HV_CMDFIFO_PEEK_READ);
+
+ if (!data_count) {
+ host1x_debug_output(o, "%03x 0x%08x: ",
+ rd_ptr - start, val);
+ data_count = show_channel_command(o, val, &payload);
+ } else {
+ host1x_debug_cont(o, "%08x%s", val,
+ data_count > 1 ? ", " : "])\n");
+ data_count--;
+ }
+
+ if (rd_ptr == end)
+ rd_ptr = start;
+ else
+ rd_ptr++;
+ } while (rd_ptr != wr_ptr);
+
+ if (data_count)
+ host1x_debug_cont(o, ", ...])\n");
+ host1x_debug_output(o, "\n");
+
+ host1x_hypervisor_writel(host, 0x0, HOST1X_HV_CMDFIFO_PEEK_CTRL);
+ host1x_hypervisor_writel(host, 0x0, HOST1X_HV_ICG_EN_OVERRIDE);
+#endif
+}
+
+static void host1x_debug_show_mlocks(struct host1x *host, struct output *o)
+{
+ /* TODO */
+}