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-rw-r--r--drivers/gpu/drm/etnaviv/Makefile3
-rw-r--r--drivers/gpu/drm/etnaviv/etnaviv_drv.c37
-rw-r--r--drivers/gpu/drm/etnaviv/etnaviv_perfmon.c113
-rw-r--r--drivers/gpu/drm/etnaviv/etnaviv_perfmon.h31
4 files changed, 183 insertions, 1 deletions
diff --git a/drivers/gpu/drm/etnaviv/Makefile b/drivers/gpu/drm/etnaviv/Makefile
index 4f76c992043f..15c3bfa89a79 100644
--- a/drivers/gpu/drm/etnaviv/Makefile
+++ b/drivers/gpu/drm/etnaviv/Makefile
@@ -10,6 +10,7 @@ etnaviv-y := \
etnaviv_gpu.o \
etnaviv_iommu_v2.o \
etnaviv_iommu.o \
- etnaviv_mmu.o
+ etnaviv_mmu.o \
+ etnaviv_perfmon.o
obj-$(CONFIG_DRM_ETNAVIV) += etnaviv.o
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_drv.c b/drivers/gpu/drm/etnaviv/etnaviv_drv.c
index 2cb4773823c2..8721dc23312f 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_drv.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_drv.c
@@ -23,6 +23,7 @@
#include "etnaviv_gpu.h"
#include "etnaviv_gem.h"
#include "etnaviv_mmu.h"
+#include "etnaviv_perfmon.h"
#ifdef CONFIG_DRM_ETNAVIV_REGISTER_LOGGING
static bool reglog;
@@ -451,6 +452,40 @@ static int etnaviv_ioctl_gem_wait(struct drm_device *dev, void *data,
return ret;
}
+static int etnaviv_ioctl_pm_query_dom(struct drm_device *dev, void *data,
+ struct drm_file *file)
+{
+ struct etnaviv_drm_private *priv = dev->dev_private;
+ struct drm_etnaviv_pm_domain *args = data;
+ struct etnaviv_gpu *gpu;
+
+ if (args->pipe >= ETNA_MAX_PIPES)
+ return -EINVAL;
+
+ gpu = priv->gpu[args->pipe];
+ if (!gpu)
+ return -ENXIO;
+
+ return etnaviv_pm_query_dom(gpu, args);
+}
+
+static int etnaviv_ioctl_pm_query_sig(struct drm_device *dev, void *data,
+ struct drm_file *file)
+{
+ struct etnaviv_drm_private *priv = dev->dev_private;
+ struct drm_etnaviv_pm_signal *args = data;
+ struct etnaviv_gpu *gpu;
+
+ if (args->pipe >= ETNA_MAX_PIPES)
+ return -EINVAL;
+
+ gpu = priv->gpu[args->pipe];
+ if (!gpu)
+ return -ENXIO;
+
+ return etnaviv_pm_query_sig(gpu, args);
+}
+
static const struct drm_ioctl_desc etnaviv_ioctls[] = {
#define ETNA_IOCTL(n, func, flags) \
DRM_IOCTL_DEF_DRV(ETNAVIV_##n, etnaviv_ioctl_##func, flags)
@@ -463,6 +498,8 @@ static const struct drm_ioctl_desc etnaviv_ioctls[] = {
ETNA_IOCTL(WAIT_FENCE, wait_fence, DRM_AUTH|DRM_RENDER_ALLOW),
ETNA_IOCTL(GEM_USERPTR, gem_userptr, DRM_AUTH|DRM_RENDER_ALLOW),
ETNA_IOCTL(GEM_WAIT, gem_wait, DRM_AUTH|DRM_RENDER_ALLOW),
+ ETNA_IOCTL(PM_QUERY_DOM, pm_query_dom, DRM_AUTH|DRM_RENDER_ALLOW),
+ ETNA_IOCTL(PM_QUERY_SIG, pm_query_sig, DRM_AUTH|DRM_RENDER_ALLOW),
};
static const struct vm_operations_struct vm_ops = {
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c b/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c
new file mode 100644
index 000000000000..08ef01c2a0ef
--- /dev/null
+++ b/drivers/gpu/drm/etnaviv/etnaviv_perfmon.c
@@ -0,0 +1,113 @@
+/*
+ * Copyright (C) 2017 Etnaviv Project
+ * Copyright (C) 2017 Zodiac Inflight Innovations
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "etnaviv_gpu.h"
+
+struct etnaviv_pm_domain;
+
+struct etnaviv_pm_signal {
+ char name[64];
+ u32 data;
+
+ u32 (*sample)(struct etnaviv_gpu *gpu,
+ const struct etnaviv_pm_domain *domain,
+ const struct etnaviv_pm_signal *signal);
+};
+
+struct etnaviv_pm_domain {
+ char name[64];
+ u8 nr_signals;
+ const struct etnaviv_pm_signal *signal;
+};
+
+struct etnaviv_pm_domain_meta {
+ const struct etnaviv_pm_domain *domains;
+ u32 nr_domains;
+};
+
+static const struct etnaviv_pm_domain doms_3d[] = {
+};
+
+static const struct etnaviv_pm_domain doms_2d[] = {
+};
+
+static const struct etnaviv_pm_domain doms_vg[] = {
+};
+
+static const struct etnaviv_pm_domain_meta doms_meta[] = {
+ {
+ .nr_domains = ARRAY_SIZE(doms_3d),
+ .domains = &doms_3d[0]
+ },
+ {
+ .nr_domains = ARRAY_SIZE(doms_2d),
+ .domains = &doms_2d[0]
+ },
+ {
+ .nr_domains = ARRAY_SIZE(doms_vg),
+ .domains = &doms_vg[0]
+ }
+};
+
+int etnaviv_pm_query_dom(struct etnaviv_gpu *gpu,
+ struct drm_etnaviv_pm_domain *domain)
+{
+ const struct etnaviv_pm_domain_meta *meta = &doms_meta[domain->pipe];
+ const struct etnaviv_pm_domain *dom;
+
+ if (domain->iter >= meta->nr_domains)
+ return -EINVAL;
+
+ dom = meta->domains + domain->iter;
+
+ domain->id = domain->iter;
+ domain->nr_signals = dom->nr_signals;
+ strncpy(domain->name, dom->name, sizeof(domain->name));
+
+ domain->iter++;
+ if (domain->iter == meta->nr_domains)
+ domain->iter = 0xff;
+
+ return 0;
+}
+
+int etnaviv_pm_query_sig(struct etnaviv_gpu *gpu,
+ struct drm_etnaviv_pm_signal *signal)
+{
+ const struct etnaviv_pm_domain_meta *meta = &doms_meta[signal->pipe];
+ const struct etnaviv_pm_domain *dom;
+ const struct etnaviv_pm_signal *sig;
+
+ if (signal->domain >= meta->nr_domains)
+ return -EINVAL;
+
+ dom = meta->domains + signal->domain;
+
+ if (signal->iter > dom->nr_signals)
+ return -EINVAL;
+
+ sig = &dom->signal[signal->iter];
+
+ signal->id = signal->iter;
+ strncpy(signal->name, sig->name, sizeof(signal->name));
+
+ signal->iter++;
+ if (signal->iter == dom->nr_signals)
+ signal->iter = 0xffff;
+
+ return 0;
+}
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_perfmon.h b/drivers/gpu/drm/etnaviv/etnaviv_perfmon.h
new file mode 100644
index 000000000000..4589cadc3a4f
--- /dev/null
+++ b/drivers/gpu/drm/etnaviv/etnaviv_perfmon.h
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2017 Etnaviv Project
+ * Copyright (C) 2017 Zodiac Inflight Innovations
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __ETNAVIV_PERFMON_H__
+#define __ETNAVIV_PERFMON_H__
+
+struct etnaviv_gpu;
+struct drm_etnaviv_pm_domain;
+struct drm_etnaviv_pm_signal;
+
+int etnaviv_pm_query_dom(struct etnaviv_gpu *gpu,
+ struct drm_etnaviv_pm_domain *domain);
+
+int etnaviv_pm_query_sig(struct etnaviv_gpu *gpu,
+ struct drm_etnaviv_pm_signal *signal);
+
+#endif /* __ETNAVIV_PERFMON_H__ */
generated by cgit v1.2.3 (git 2.39.0) at 2025-01-08 00:12:32 +0300