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authorThierry Reding <treding@nvidia.com>2021-07-09 19:00:12 +0200
committerThierry Reding <treding@nvidia.com>2021-08-13 18:23:32 +0200
commitfed0289394173509b3150617e17739d0094ce88e (patch)
treea48fa88c4670bf048d5f6cafa4c8097c4ef633c4 /drivers/gpu/host1x
parentgpu: host1x: debug: Dump only relevant parts of CDMA push buffer (diff)
downloadlinux-dev-fed0289394173509b3150617e17739d0094ce88e.tar.xz
linux-dev-fed0289394173509b3150617e17739d0094ce88e.zip
gpu: host1x: debug: Dump DMASTART and DMAEND register
Show the values of the DMASTART and DMAEND registers when dumping status to help with failure analysis. Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'drivers/gpu/host1x')
-rw-r--r--drivers/gpu/host1x/hw/debug_hw_1x01.c8
-rw-r--r--drivers/gpu/host1x/hw/debug_hw_1x06.c16
2 files changed, 21 insertions, 3 deletions
diff --git a/drivers/gpu/host1x/hw/debug_hw_1x01.c b/drivers/gpu/host1x/hw/debug_hw_1x01.c
index 02a93305ac7b..85242a59fa6a 100644
--- a/drivers/gpu/host1x/hw/debug_hw_1x01.c
+++ b/drivers/gpu/host1x/hw/debug_hw_1x01.c
@@ -16,10 +16,13 @@ static void host1x_debug_show_channel_cdma(struct host1x *host,
struct output *o)
{
struct host1x_cdma *cdma = &ch->cdma;
+ dma_addr_t dmastart, dmaend;
u32 dmaput, dmaget, dmactrl;
u32 cbstat, cbread;
u32 val, base, baseval;
+ dmastart = host1x_ch_readl(ch, HOST1X_CHANNEL_DMASTART);
+ 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);
@@ -56,9 +59,10 @@ static void host1x_debug_show_channel_cdma(struct host1x *host,
HOST1X_SYNC_CBSTAT_CBOFFSET_V(cbstat),
cbread);
- host1x_debug_output(o, "DMAPUT %08x, DMAGET %08x, DMACTL %08x\n",
+ 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, "CBREAD %08x, CBSTAT %08x\n", cbread, cbstat);
+ host1x_debug_output(o, "CBREAD %08x CBSTAT %08x\n", cbread, cbstat);
show_channel_gathers(o, cdma);
host1x_debug_output(o, "\n");
diff --git a/drivers/gpu/host1x/hw/debug_hw_1x06.c b/drivers/gpu/host1x/hw/debug_hw_1x06.c
index 6d1b583aa90f..9d0667879a19 100644
--- a/drivers/gpu/host1x/hw/debug_hw_1x06.c
+++ b/drivers/gpu/host1x/hw/debug_hw_1x06.c
@@ -16,10 +16,23 @@ static void host1x_debug_show_channel_cdma(struct host1x *host,
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);
@@ -41,7 +54,8 @@ static void host1x_debug_show_channel_cdma(struct host1x *host,
host1x_debug_output(o, "active class %02x, offset %04x\n",
class, offset);
- host1x_debug_output(o, "DMAPUT %08x, DMAGET %08x, DMACTL %08x\n",
+ 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);