drm/amdgpu: Add Fiji support to SMC and DPM (v2)
v2: agd5f: prepare for release
Signed-off-by: David Zhang <david1.zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/fiji_dpm.c b/drivers/gpu/drm/amd/amdgpu/fiji_dpm.c
new file mode 100644
index 0000000..8f9845d
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/fiji_dpm.c
@@ -0,0 +1,181 @@
+/*
+ * Copyright 2014 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 <linux/firmware.h>
+#include "drmP.h"
+#include "amdgpu.h"
+#include "fiji_smumgr.h"
+
+MODULE_FIRMWARE("amdgpu/fiji_smc.bin");
+
+static void fiji_dpm_set_funcs(struct amdgpu_device *adev);
+
+static int fiji_dpm_early_init(void *handle)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+ fiji_dpm_set_funcs(adev);
+
+ return 0;
+}
+
+static int fiji_dpm_init_microcode(struct amdgpu_device *adev)
+{
+ char fw_name[30] = "amdgpu/fiji_smc.bin";
+ int err;
+
+ err = request_firmware(&adev->pm.fw, fw_name, adev->dev);
+ if (err)
+ goto out;
+ err = amdgpu_ucode_validate(adev->pm.fw);
+
+out:
+ if (err) {
+ DRM_ERROR("Failed to load firmware \"%s\"", fw_name);
+ release_firmware(adev->pm.fw);
+ adev->pm.fw = NULL;
+ }
+ return err;
+}
+
+static int fiji_dpm_sw_init(void *handle)
+{
+ int ret;
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+ ret = fiji_dpm_init_microcode(adev);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+static int fiji_dpm_sw_fini(void *handle)
+{
+ return 0;
+}
+
+static int fiji_dpm_hw_init(void *handle)
+{
+ int ret;
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+ mutex_lock(&adev->pm.mutex);
+
+ ret = fiji_smu_init(adev);
+ if (ret) {
+ DRM_ERROR("SMU initialization failed\n");
+ goto fail;
+ }
+
+ ret = fiji_smu_start(adev);
+ if (ret) {
+ DRM_ERROR("SMU start failed\n");
+ goto fail;
+ }
+
+ mutex_unlock(&adev->pm.mutex);
+ return 0;
+
+fail:
+ adev->firmware.smu_load = false;
+ mutex_unlock(&adev->pm.mutex);
+ return -EINVAL;
+}
+
+static int fiji_dpm_hw_fini(void *handle)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+ mutex_lock(&adev->pm.mutex);
+ fiji_smu_fini(adev);
+ mutex_unlock(&adev->pm.mutex);
+ return 0;
+}
+
+static int fiji_dpm_suspend(void *handle)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+ fiji_dpm_hw_fini(adev);
+
+ return 0;
+}
+
+static int fiji_dpm_resume(void *handle)
+{
+ struct amdgpu_device *adev = (struct amdgpu_device *)handle;
+
+ fiji_dpm_hw_init(adev);
+
+ return 0;
+}
+
+static int fiji_dpm_set_clockgating_state(void *handle,
+ enum amd_clockgating_state state)
+{
+ return 0;
+}
+
+static int fiji_dpm_set_powergating_state(void *handle,
+ enum amd_powergating_state state)
+{
+ return 0;
+}
+
+const struct amd_ip_funcs fiji_dpm_ip_funcs = {
+ .early_init = fiji_dpm_early_init,
+ .late_init = NULL,
+ .sw_init = fiji_dpm_sw_init,
+ .sw_fini = fiji_dpm_sw_fini,
+ .hw_init = fiji_dpm_hw_init,
+ .hw_fini = fiji_dpm_hw_fini,
+ .suspend = fiji_dpm_suspend,
+ .resume = fiji_dpm_resume,
+ .is_idle = NULL,
+ .wait_for_idle = NULL,
+ .soft_reset = NULL,
+ .print_status = NULL,
+ .set_clockgating_state = fiji_dpm_set_clockgating_state,
+ .set_powergating_state = fiji_dpm_set_powergating_state,
+};
+
+static const struct amdgpu_dpm_funcs fiji_dpm_funcs = {
+ .get_temperature = NULL,
+ .pre_set_power_state = NULL,
+ .set_power_state = NULL,
+ .post_set_power_state = NULL,
+ .display_configuration_changed = NULL,
+ .get_sclk = NULL,
+ .get_mclk = NULL,
+ .print_power_state = NULL,
+ .debugfs_print_current_performance_level = NULL,
+ .force_performance_level = NULL,
+ .vblank_too_short = NULL,
+ .powergate_uvd = NULL,
+};
+
+static void fiji_dpm_set_funcs(struct amdgpu_device *adev)
+{
+ if (NULL == adev->pm.funcs)
+ adev->pm.funcs = &fiji_dpm_funcs;
+}