summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/gpu/host1x/hw/channel_hw.c22
-rw-r--r--drivers/gpu/host1x/hw/hw_host1x04_channel.h12
-rw-r--r--drivers/gpu/host1x/hw/hw_host1x05_channel.h12
3 files changed, 46 insertions, 0 deletions
diff --git a/drivers/gpu/host1x/hw/channel_hw.c b/drivers/gpu/host1x/hw/channel_hw.c
index 1d3e9bdde2ce..9af758785a11 100644
--- a/drivers/gpu/host1x/hw/channel_hw.c
+++ b/drivers/gpu/host1x/hw/channel_hw.c
@@ -180,10 +180,32 @@ error:
return err;
}
+static void enable_gather_filter(struct host1x *host,
+ struct host1x_channel *ch)
+{
+#if HOST1X_HW >= 6
+ u32 val;
+
+ if (!host->hv_regs)
+ return;
+
+ val = host1x_hypervisor_readl(
+ host, HOST1X_HV_CH_KERNEL_FILTER_GBUFFER(ch->id / 32));
+ val |= BIT(ch->id % 32);
+ host1x_hypervisor_writel(
+ host, val, HOST1X_HV_CH_KERNEL_FILTER_GBUFFER(ch->id / 32));
+#elif HOST1X_HW >= 4
+ host1x_ch_writel(ch,
+ HOST1X_CHANNEL_CHANNELCTRL_KERNEL_FILTER_GBUFFER(1),
+ HOST1X_CHANNEL_CHANNELCTRL);
+#endif
+}
+
static int host1x_channel_init(struct host1x_channel *ch, struct host1x *dev,
unsigned int index)
{
ch->regs = dev->regs + index * HOST1X_CHANNEL_SIZE;
+ enable_gather_filter(dev, ch);
return 0;
}
diff --git a/drivers/gpu/host1x/hw/hw_host1x04_channel.h b/drivers/gpu/host1x/hw/hw_host1x04_channel.h
index 95e6f96142b9..2e8b635aa660 100644
--- a/drivers/gpu/host1x/hw/hw_host1x04_channel.h
+++ b/drivers/gpu/host1x/hw/hw_host1x04_channel.h
@@ -117,5 +117,17 @@ static inline u32 host1x_channel_dmactrl_dmainitget(void)
}
#define HOST1X_CHANNEL_DMACTRL_DMAINITGET \
host1x_channel_dmactrl_dmainitget()
+static inline u32 host1x_channel_channelctrl_r(void)
+{
+ return 0x98;
+}
+#define HOST1X_CHANNEL_CHANNELCTRL \
+ host1x_channel_channelctrl_r()
+static inline u32 host1x_channel_channelctrl_kernel_filter_gbuffer_f(u32 v)
+{
+ return (v & 0x1) << 2;
+}
+#define HOST1X_CHANNEL_CHANNELCTRL_KERNEL_FILTER_GBUFFER(v) \
+ host1x_channel_channelctrl_kernel_filter_gbuffer_f(v)
#endif
diff --git a/drivers/gpu/host1x/hw/hw_host1x05_channel.h b/drivers/gpu/host1x/hw/hw_host1x05_channel.h
index fce6e2c1ff4c..abbbc2641ce6 100644
--- a/drivers/gpu/host1x/hw/hw_host1x05_channel.h
+++ b/drivers/gpu/host1x/hw/hw_host1x05_channel.h
@@ -117,5 +117,17 @@ static inline u32 host1x_channel_dmactrl_dmainitget(void)
}
#define HOST1X_CHANNEL_DMACTRL_DMAINITGET \
host1x_channel_dmactrl_dmainitget()
+static inline u32 host1x_channel_channelctrl_r(void)
+{
+ return 0x98;
+}
+#define HOST1X_CHANNEL_CHANNELCTRL \
+ host1x_channel_channelctrl_r()
+static inline u32 host1x_channel_channelctrl_kernel_filter_gbuffer_f(u32 v)
+{
+ return (v & 0x1) << 2;
+}
+#define HOST1X_CHANNEL_CHANNELCTRL_KERNEL_FILTER_GBUFFER(v) \
+ host1x_channel_channelctrl_kernel_filter_gbuffer_f(v)
#endif