blob: 9dc3e0938fc33bfe0b97449be0ae4ee78adca24a [file] [log] [blame]
From 11b8d39376e9bc2dd14119444034e8b17fd244ed Mon Sep 17 00:00:00 2001
From: Christian Gmeiner <christian.gmeiner@gmail.com>
Date: Wed, 31 Jul 2019 23:30:34 +0200
Subject: [PATCH] etnaviv: perfmon: fix total and idle HI cyleces readout
commit 15ff4a7b584163b12b118a2c381529f05ff3a94d upstream.
As seen at CodeAurora's linux-imx git repo in imx_4.19.35_1.0.0 branch.
Signed-off-by: Christian Gmeiner <christian.gmeiner@gmail.com>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c b/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c
index 4227a4006c34..db1a341c0d49 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c
@@ -4,6 +4,7 @@
* Copyright (C) 2017 Zodiac Inflight Innovations
*/
+#include "common.xml.h"
#include "etnaviv_gpu.h"
#include "etnaviv_perfmon.h"
#include "state_hi.xml.h"
@@ -35,13 +36,6 @@ struct etnaviv_pm_domain_meta {
u32 nr_domains;
};
-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)
@@ -75,6 +69,34 @@ static u32 pipe_reg_read(struct etnaviv_gpu *gpu,
return value;
}
+static u32 hi_total_cycle_read(struct etnaviv_gpu *gpu,
+ const struct etnaviv_pm_domain *domain,
+ const struct etnaviv_pm_signal *signal)
+{
+ u32 reg = VIVS_HI_PROFILE_TOTAL_CYCLES;
+
+ if (gpu->identity.model == chipModel_GC880 ||
+ gpu->identity.model == chipModel_GC2000 ||
+ gpu->identity.model == chipModel_GC2100)
+ reg = VIVS_MC_PROFILE_CYCLE_COUNTER;
+
+ return gpu_read(gpu, reg);
+}
+
+static u32 hi_total_idle_cycle_read(struct etnaviv_gpu *gpu,
+ const struct etnaviv_pm_domain *domain,
+ const struct etnaviv_pm_signal *signal)
+{
+ u32 reg = VIVS_HI_PROFILE_IDLE_CYCLES;
+
+ if (gpu->identity.model == chipModel_GC880 ||
+ gpu->identity.model == chipModel_GC2000 ||
+ gpu->identity.model == chipModel_GC2100)
+ reg = VIVS_HI_PROFILE_TOTAL_CYCLES;
+
+ return gpu_read(gpu, reg);
+}
+
static const struct etnaviv_pm_domain doms_3d[] = {
{
.name = "HI",
@@ -84,13 +106,13 @@ static const struct etnaviv_pm_domain doms_3d[] = {
.signal = (const struct etnaviv_pm_signal[]) {
{
"TOTAL_CYCLES",
- VIVS_HI_PROFILE_TOTAL_CYCLES,
- &simple_reg_read
+ 0,
+ &hi_total_cycle_read
},
{
"IDLE_CYCLES",
- VIVS_HI_PROFILE_IDLE_CYCLES,
- &simple_reg_read
+ 0,
+ &hi_total_idle_cycle_read
},
{
"AXI_CYCLES_READ_REQUEST_STALLED",
--
2.7.4