[V2,13/23] drm/etnaviv: add HI perf domain

Commit Message

Christian Gmeiner July 22, 2017, 9:53 a.m. UTC

Signed-off-by: Christian Gmeiner <[e-mail]>
---
 drivers/gpu/drm/etnaviv/etnaviv_perfmon.c | 55 +++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)

Patch

diff --git a/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c b/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c
index 41e12f2a1dbd..212e1cee61fa 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c
@@ -17,6 +17,7 @@ 
 
 #include "etnaviv_gpu.h"
 #include "etnaviv_perfmon.h"
+#include "state_hi.xml.h"
 
 struct etnaviv_pm_domain;
 
@@ -31,11 +32,65 @@  struct etnaviv_pm_signal {
 
 struct etnaviv_pm_domain {
 	char name[64];
+
+	/* profile register */
+	u32 profile_read;
+	u32 profile_config;
+
 	u8 nr_signals;
 	const struct etnaviv_pm_signal *signal;
 };
 
+static u32 simple_reg_read(struct etnaviv_gpu *gpu,
+	const struct etnaviv_pm_domain *domain,
+	const struct etnaviv_pm_signal *signal)
+{
+	return gpu_read(gpu, signal->data);
+}
+
+static u32 perf_reg_read(struct etnaviv_gpu *gpu,
+	const struct etnaviv_pm_domain *domain,
+	const struct etnaviv_pm_signal *signal)
+{
+	gpu_write(gpu, domain->profile_config, signal->data);
+
+	return gpu_read(gpu, domain->profile_read);
+}
+
 static const struct etnaviv_pm_domain doms[] = {
+	{
+		.name = "HI",
+		.profile_read = VIVS_MC_PROFILE_HI_READ,
+		.profile_config = VIVS_MC_PROFILE_CONFIG2,
+		.nr_signals = 5,
+		.signal = (const struct etnaviv_pm_signal[]) {
+			{
+				"TOTAL_CYCLES",
+				VIVS_HI_PROFILE_TOTAL_CYCLES,
+				&simple_reg_read
+			},
+			{
+				"IDLE_CYCLES",
+				VIVS_HI_PROFILE_IDLE_CYCLES,
+				&simple_reg_read
+			},
+			{
+				"AXI_CYCLES_READ_REQUEST_STALLED",
+				VIVS_MC_PROFILE_CONFIG2_HI_AXI_CYCLES_READ_REQUEST_STALLED,
+				&perf_reg_read
+			},
+			{
+				"AXI_CYCLES_WRITE_REQUEST_STALLED",
+				VIVS_MC_PROFILE_CONFIG2_HI_AXI_CYCLES_WRITE_REQUEST_STALLED,
+				&perf_reg_read
+			},
+			{
+				"AXI_CYCLES_WRITE_DATA_STALLED",
+				VIVS_MC_PROFILE_CONFIG2_HI_AXI_CYCLES_WRITE_DATA_STALLED,
+				&perf_reg_read
+			}
+		}
+	}
 };
 
 int etnaviv_pm_query_dom(struct etnaviv_gpu *gpu,