Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/Makefile | 2 +-
drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 2 +
drivers/gpu/drm/amd/amdgpu/amdgpu_profile.c | 112 ++++++++++++++++++++
drivers/gpu/drm/amd/amdgpu/amdgpu_profile.h | 30 ++++++
include/uapi/drm/amdgpu_drm.h | 28 +++++
5 files changed, 173 insertions(+), 1 deletion(-)
create mode 100644 drivers/gpu/drm/amd/amdgpu/amdgpu_profile.c
create mode 100644 drivers/gpu/drm/amd/amdgpu/amdgpu_profile.h
diff --git a/drivers/gpu/drm/amd/amdgpu/Makefile b/drivers/gpu/drm/amd/amdgpu/Makefile
index 7fedbb725e17..4cf5bf637a9e 100644
--- a/drivers/gpu/drm/amd/amdgpu/Makefile
+++ b/drivers/gpu/drm/amd/amdgpu/Makefile
@@ -58,7 +58,7 @@ amdgpu-y += amdgpu_device.o amdgpu_kms.o \
amdgpu_vm_sdma.o amdgpu_discovery.o amdgpu_ras_eeprom.o amdgpu_nbio.o \
amdgpu_umc.o smu_v11_0_i2c.o amdgpu_fru_eeprom.o amdgpu_rap.o \
amdgpu_fw_attestation.o amdgpu_securedisplay.o amdgpu_hdp.o \
- amdgpu_eeprom.o amdgpu_mca.o
+ amdgpu_eeprom.o amdgpu_mca.o amdgpu_profile.o
amdgpu-$(CONFIG_PROC_FS) += amdgpu_fdinfo.o
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index bc1355c6248d..0e27f9673f8f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -46,6 +46,7 @@
#include "amdgpu_sched.h"
#include "amdgpu_fdinfo.h"
#include "amdgpu_amdkfd.h"
+#include "amdgpu_profile.h"
#include "amdgpu_ras.h"
#include "amdgpu_xgmi.h"
@@ -2467,6 +2468,7 @@ const struct drm_ioctl_desc amdgpu_ioctls_kms[] = {
DRM_IOCTL_DEF_DRV(AMDGPU_GEM_VA, amdgpu_gem_va_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
DRM_IOCTL_DEF_DRV(AMDGPU_GEM_OP, amdgpu_gem_op_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
DRM_IOCTL_DEF_DRV(AMDGPU_GEM_USERPTR, amdgpu_gem_userptr_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
+ DRM_IOCTL_DEF_DRV(AMDGPU_PROFILE, amdgpu_profile_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
};
static const struct drm_driver amdgpu_kms_driver = {
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_profile.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_profile.c
new file mode 100644
index 000000000000..94fe408e810f
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_profile.c
@@ -0,0 +1,112 @@
+/*
+ * Copyright 2021 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#include <drm/amdgpu_drm.h>
+#include "amdgpu.h"
+
+/**
+ * amdgpu_profile_ioctl - Manages settings for profiling.
+ *
+ * @dev: drm device pointer
+ * @data: drm_amdgpu_vm
+ * @filp: drm file pointer
+ *
+ * Returns:
+ * 0 for success, -errno for errors.
+ */
+int amdgpu_profile_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *filp)
+{
+ union drm_amdgpu_profile *args = data;
+ struct amdgpu_device *adev = drm_to_adev(dev);
+ const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
+ enum amd_dpm_forced_level current_level, requested_level;
+ int r;
+
+ if (pp_funcs->get_performance_level)
+ current_level = amdgpu_dpm_get_performance_level(adev);
+ else
+ current_level = adev->pm.dpm.forced_level;
+
+ switch (args->in.op) {
+ case AMDGPU_PROFILE_OP_GET_STABLE_PSTATE:
+ if (args->in.flags)
+ return -EINVAL;
+ switch (current_level) {
+ case AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD:
+ args->out.flags = AMDGPU_PROFILE_FLAGS_STABLE_PSTATE_STANDARD;
+ break;
+ case AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK:
+ args->out.flags = AMDGPU_PROFILE_FLAGS_STABLE_PSTATE_MIN_SCLK;
+ break;
+ case AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK:
+ args->out.flags = AMDGPU_PROFILE_FLAGS_STABLE_PSTATE_MIN_MCLK;
+ break;
+ case AMD_DPM_FORCED_LEVEL_PROFILE_PEAK:
+ args->out.flags = AMDGPU_PROFILE_FLAGS_STABLE_PSTATE_PEAK;
+ break;
+ default:
+ args->out.flags = AMDGPU_PROFILE_FLAGS_STABLE_PSTATE_NONE;
+ break;
+ }
+ break;
+ case AMDGPU_PROFILE_OP_SET_STABLE_PSTATE:
+ if (args->in.flags & ~AMDGPU_PROFILE_FLAGS_STABLE_PSTATE_MASK)
+ return -EINVAL;
+ switch (args->in.flags & AMDGPU_PROFILE_FLAGS_STABLE_PSTATE_MASK) {
+ case AMDGPU_PROFILE_FLAGS_STABLE_PSTATE_STANDARD:
+ requested_level = AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD;
+ break;
+ case AMDGPU_PROFILE_FLAGS_STABLE_PSTATE_MIN_SCLK:
+ requested_level = AMD_DPM_FORCED_LEVEL_PROFILE_MIN_SCLK;
+ break;
+ case AMDGPU_PROFILE_FLAGS_STABLE_PSTATE_MIN_MCLK:
+ requested_level = AMD_DPM_FORCED_LEVEL_PROFILE_MIN_MCLK;
+ break;
+ case AMDGPU_PROFILE_FLAGS_STABLE_PSTATE_PEAK:
+ requested_level = AMD_DPM_FORCED_LEVEL_PROFILE_PEAK;
+ break;
+ case AMDGPU_PROFILE_FLAGS_STABLE_PSTATE_NONE:
+ requested_level = AMD_DPM_FORCED_LEVEL_AUTO;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ if ((current_level != requested_level) && pp_funcs->force_performance_level) {
+ mutex_lock(&adev->pm.mutex);
+ r = amdgpu_dpm_force_performance_level(adev, requested_level);
+ if (!r)
+ adev->pm.dpm.forced_level = requested_level;
+ mutex_unlock(&adev->pm.mutex);
+ if (r)
+ return r;
+ }
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_profile.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_profile.h
new file mode 100644
index 000000000000..cd1c597bae11
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_profile.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright 2021 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#ifndef __AMDGPU_PROFILE_H__
+#define __AMDGPU_PROFILE_H__
+
+int amdgpu_profile_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *filp);
+
+#endif
diff --git a/include/uapi/drm/amdgpu_drm.h b/include/uapi/drm/amdgpu_drm.h
index 26e45fc5eb1a..b6edf4a826f9 100644
--- a/include/uapi/drm/amdgpu_drm.h
+++ b/include/uapi/drm/amdgpu_drm.h
@@ -54,6 +54,7 @@ extern "C" {
#define DRM_AMDGPU_VM 0x13
#define DRM_AMDGPU_FENCE_TO_HANDLE 0x14
#define DRM_AMDGPU_SCHED 0x15
+#define DRM_AMDGPU_PROFILE 0x16
#define DRM_IOCTL_AMDGPU_GEM_CREATE DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_CREATE, union drm_amdgpu_gem_create)
#define DRM_IOCTL_AMDGPU_GEM_MMAP DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_GEM_MMAP, union drm_amdgpu_gem_mmap)
@@ -71,6 +72,7 @@ extern "C" {
#define DRM_IOCTL_AMDGPU_VM DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_VM, union drm_amdgpu_vm)
#define DRM_IOCTL_AMDGPU_FENCE_TO_HANDLE DRM_IOWR(DRM_COMMAND_BASE + DRM_AMDGPU_FENCE_TO_HANDLE, union drm_amdgpu_fence_to_handle)
#define DRM_IOCTL_AMDGPU_SCHED DRM_IOW(DRM_COMMAND_BASE + DRM_AMDGPU_SCHED, union drm_amdgpu_sched)
+#define DRM_IOCTL_AMDGPU_PROFILE DRM_IOW(DRM_COMMAND_BASE + DRM_AMDGPU_PROFILE, union drm_amdgpu_profile)
/**
* DOC: memory domains
@@ -1120,6 +1122,32 @@ struct drm_amdgpu_info_video_caps {
struct drm_amdgpu_info_video_codec_info codec_info[AMDGPU_INFO_VIDEO_CAPS_CODEC_IDX_COUNT];
};
+/* profile ioctl */
+#define AMDGPU_PROFILE_OP_GET_STABLE_PSTATE 1
+#define AMDGPU_PROFILE_OP_SET_STABLE_PSTATE 2
+
+#define AMDGPU_PROFILE_FLAGS_STABLE_PSTATE_MASK 0xf
+#define AMDGPU_PROFILE_FLAGS_STABLE_PSTATE_NONE 0
+#define AMDGPU_PROFILE_FLAGS_STABLE_PSTATE_STANDARD 1
+#define AMDGPU_PROFILE_FLAGS_STABLE_PSTATE_MIN_SCLK 2
+#define AMDGPU_PROFILE_FLAGS_STABLE_PSTATE_MIN_MCLK 3
+#define AMDGPU_PROFILE_FLAGS_STABLE_PSTATE_PEAK 4
+
+struct drm_amdgpu_profile_in {
+ /** AMDGPU_PROFILE_OP_* */
+ __u32 op;
+ __u32 flags;
+};
+
+struct drm_amdgpu_profile_out {
+ __u64 flags;
+};
+
+union drm_amdgpu_profile {
+ struct drm_amdgpu_profile_in in;
+ struct drm_amdgpu_profile_out out;
+};
+
/*
* Supported GPU families
*/
