drm/amd/powerplay: add Fiji DPM support.

This enabled DPM support for Fiji.  DPM is dynamic
clock and voltage scaling.

v2: rename fiji_hwmgr_early_init to fiji_hwmgr_init
v3: (agd) fold in endian fix, additional function addition
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com>

drivers/gpu/drm/amd/powerplay/hwmgr/Makefile

@@ -6,7 +6,8 @@ HARDWARE_MGR = hwmgr.o processpptables.o functiontables.o \
 	       hardwaremanager.o pp_acpi.o cz_hwmgr.o \
                cz_clockpowergating.o \
 	       tonga_processpptables.o ppatomctrl.o \
-               tonga_hwmgr.o 	pppcielanes.o
+               tonga_hwmgr.o 	pppcielanes.o \
+               fiji_powertune.o fiji_hwmgr.o
 
 AMD_PP_HWMGR = $(addprefix $(AMD_PP_PATH)/hwmgr/,$(HARDWARE_MGR))
 

drivers/gpu/drm/amd/powerplay/hwmgr/fiji_dyn_defaults.h

+/*
+ * Copyright 2015 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 FIJI_DYN_DEFAULTS_H
+#define FIJI_DYN_DEFAULTS_H
+
+/** \file
+* Volcanic Islands Dynamic default parameters.
+*/
+
+enum FIJIdpm_TrendDetection
+{
+    FIJIAdpm_TrendDetection_AUTO,
+    FIJIAdpm_TrendDetection_UP,
+    FIJIAdpm_TrendDetection_DOWN
+};
+typedef enum FIJIdpm_TrendDetection FIJIdpm_TrendDetection;
+
+/* We need to fill in the default values!!!!!!!!!!!!!!!!!!!!!!! */
+
+/* Bit vector representing same fields as hardware register. */
+#define PPFIJI_VOTINGRIGHTSCLIENTS_DFLT0    0x3FFFC102  /* CP_Gfx_busy ????
+                                                         * HDP_busy
+                                                         * IH_busy
+                                                         * UVD_busy
+                                                         * VCE_busy
+                                                         * ACP_busy
+                                                         * SAMU_busy
+                                                         * SDMA enabled */
+#define PPFIJI_VOTINGRIGHTSCLIENTS_DFLT1    0x000400  /* FE_Gfx_busy  - Intended for primary usage.   Rest are for flexibility. ????
+                                                       * SH_Gfx_busy
+                                                       * RB_Gfx_busy
+                                                       * VCE_busy */
+
+#define PPFIJI_VOTINGRIGHTSCLIENTS_DFLT2    0xC00080  /* SH_Gfx_busy - Intended for primary usage.   Rest are for flexibility.
+                                                       * FE_Gfx_busy
+                                                       * RB_Gfx_busy
+                                                       * ACP_busy */
+
+#define PPFIJI_VOTINGRIGHTSCLIENTS_DFLT3    0xC00200  /* RB_Gfx_busy - Intended for primary usage.   Rest are for flexibility.
+                                                       * FE_Gfx_busy
+                                                       * SH_Gfx_busy
+                                                       * UVD_busy */
+
+#define PPFIJI_VOTINGRIGHTSCLIENTS_DFLT4    0xC01680  /* UVD_busy
+                                                       * VCE_busy
+                                                       * ACP_busy
+                                                       * SAMU_busy */
+
+#define PPFIJI_VOTINGRIGHTSCLIENTS_DFLT5    0xC00033  /* GFX, HDP */
+#define PPFIJI_VOTINGRIGHTSCLIENTS_DFLT6    0xC00033  /* GFX, HDP */
+#define PPFIJI_VOTINGRIGHTSCLIENTS_DFLT7    0x3FFFC000  /* GFX, HDP */
+
+
+/* thermal protection counter (units). */
+#define PPFIJI_THERMALPROTECTCOUNTER_DFLT            0x200 /* ~19us */
+
+/* static screen threshold unit */
+#define PPFIJI_STATICSCREENTHRESHOLDUNIT_DFLT    0
+
+/* static screen threshold */
+#define PPFIJI_STATICSCREENTHRESHOLD_DFLT        0x00C8
+
+/* gfx idle clock stop threshold */
+#define PPFIJI_GFXIDLECLOCKSTOPTHRESHOLD_DFLT        0x200 /* ~19us with static screen threshold unit of 0 */
+
+/* Fixed reference divider to use when building baby stepping tables. */
+#define PPFIJI_REFERENCEDIVIDER_DFLT                  4
+
+/* ULV voltage change delay time
+ * Used to be delay_vreg in N.I. split for S.I.
+ * Using N.I. delay_vreg value as default
+ * ReferenceClock = 2700
+ * VoltageResponseTime = 1000
+ * VDDCDelayTime = (VoltageResponseTime * ReferenceClock) / 1600 = 1687
+ */
+#define PPFIJI_ULVVOLTAGECHANGEDELAY_DFLT             1687
+
+#define PPFIJI_CGULVPARAMETER_DFLT			0x00040035
+#define PPFIJI_CGULVCONTROL_DFLT			0x00007450
+#define PPFIJI_TARGETACTIVITY_DFLT			30 /* 30%*/
+#define PPFIJI_MCLK_TARGETACTIVITY_DFLT		10 /* 10% */
+
+#endif
+

drivers/gpu/drm/amd/powerplay/hwmgr/fiji_powertune.h

+/*
+ * Copyright 2015 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 FIJI_POWERTUNE_H
+#define FIJI_POWERTUNE_H
+
+enum fiji_pt_config_reg_type {
+	FIJI_CONFIGREG_MMR = 0,
+	FIJI_CONFIGREG_SMC_IND,
+	FIJI_CONFIGREG_DIDT_IND,
+	FIJI_CONFIGREG_CACHE,
+	FIJI_CONFIGREG_MAX
+};
+
+/* PowerContainment Features */
+#define POWERCONTAINMENT_FEATURE_DTE             0x00000001
+#define POWERCONTAINMENT_FEATURE_TDCLimit        0x00000002
+#define POWERCONTAINMENT_FEATURE_PkgPwrLimit     0x00000004
+
+struct fiji_pt_config_reg {
+	uint32_t                           offset;
+	uint32_t                           mask;
+	uint32_t                           shift;
+	uint32_t                           value;
+	enum fiji_pt_config_reg_type       type;
+};
+
+struct fiji_pt_defaults
+{
+    uint8_t   SviLoadLineEn;
+    uint8_t   SviLoadLineVddC;
+    uint8_t   TDC_VDDC_ThrottleReleaseLimitPerc;
+    uint8_t   TDC_MAWt;
+    uint8_t   TdcWaterfallCtl;
+    uint8_t   DTEAmbientTempBase;
+};
+
+void fiji_initialize_power_tune_defaults(struct pp_hwmgr *hwmgr);
+int fiji_populate_bapm_parameters_in_dpm_table(struct pp_hwmgr *hwmgr);
+int fiji_populate_pm_fuses(struct pp_hwmgr *hwmgr);
+int fiji_enable_smc_cac(struct pp_hwmgr *hwmgr);
+int fiji_enable_power_containment(struct pp_hwmgr *hwmgr);
+int fiji_set_power_limit(struct pp_hwmgr *hwmgr, uint32_t n);
+int fiji_power_control_set_level(struct pp_hwmgr *hwmgr);
+
+#endif  /* FIJI_POWERTUNE_H */
+

drivers/gpu/drm/amd/powerplay/hwmgr/hwmgr.c

@@ -30,6 +30,8 @@
 #include "cz_hwmgr.h"
 #include "tonga_hwmgr.h"
 
+extern int fiji_hwmgr_init(struct pp_hwmgr *hwmgr);
+
 int hwmgr_init(struct amd_pp_init *pp_init, struct pp_instance *handle)
 {
 	struct pp_hwmgr *hwmgr;
@@ -59,6 +61,9 @@ int hwmgr_init(struct amd_pp_init *pp_init, struct pp_instance *handle)
 		case CHIP_TONGA:
 			tonga_hwmgr_init(hwmgr);
 			break;
+		case CHIP_FIJI:
+			fiji_hwmgr_init(hwmgr);
+			break;
 		default:
 			return -EINVAL;
 		}