--- /dev/null
+/*
+ * Copyright 2012 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 "drmP.h"
+#include "radeon.h"
+#include "trinityd.h"
+#include "r600_dpm.h"
+#include "trinity_dpm.h"
+
+#define TRINITY_MAX_DEEPSLEEP_DIVIDER_ID 5
+#define TRINITY_MINIMUM_ENGINE_CLOCK 800
+#define SCLK_MIN_DIV_INTV_SHIFT 12
+#define TRINITY_DISPCLK_BYPASS_THRESHOLD 10000
+
+#ifndef TRINITY_MGCG_SEQUENCE
+#define TRINITY_MGCG_SEQUENCE 100
+
+static const u32 trinity_mgcg_shls_default[] =
+{
+ /* Register, Value, Mask */
+ 0x0000802c, 0xc0000000, 0xffffffff,
+ 0x00003fc4, 0xc0000000, 0xffffffff,
+ 0x00005448, 0x00000100, 0xffffffff,
+ 0x000055e4, 0x00000100, 0xffffffff,
+ 0x0000160c, 0x00000100, 0xffffffff,
+ 0x00008984, 0x06000100, 0xffffffff,
+ 0x0000c164, 0x00000100, 0xffffffff,
+ 0x00008a18, 0x00000100, 0xffffffff,
+ 0x0000897c, 0x06000100, 0xffffffff,
+ 0x00008b28, 0x00000100, 0xffffffff,
+ 0x00009144, 0x00800200, 0xffffffff,
+ 0x00009a60, 0x00000100, 0xffffffff,
+ 0x00009868, 0x00000100, 0xffffffff,
+ 0x00008d58, 0x00000100, 0xffffffff,
+ 0x00009510, 0x00000100, 0xffffffff,
+ 0x0000949c, 0x00000100, 0xffffffff,
+ 0x00009654, 0x00000100, 0xffffffff,
+ 0x00009030, 0x00000100, 0xffffffff,
+ 0x00009034, 0x00000100, 0xffffffff,
+ 0x00009038, 0x00000100, 0xffffffff,
+ 0x0000903c, 0x00000100, 0xffffffff,
+ 0x00009040, 0x00000100, 0xffffffff,
+ 0x0000a200, 0x00000100, 0xffffffff,
+ 0x0000a204, 0x00000100, 0xffffffff,
+ 0x0000a208, 0x00000100, 0xffffffff,
+ 0x0000a20c, 0x00000100, 0xffffffff,
+ 0x00009744, 0x00000100, 0xffffffff,
+ 0x00003f80, 0x00000100, 0xffffffff,
+ 0x0000a210, 0x00000100, 0xffffffff,
+ 0x0000a214, 0x00000100, 0xffffffff,
+ 0x000004d8, 0x00000100, 0xffffffff,
+ 0x00009664, 0x00000100, 0xffffffff,
+ 0x00009698, 0x00000100, 0xffffffff,
+ 0x000004d4, 0x00000200, 0xffffffff,
+ 0x000004d0, 0x00000000, 0xffffffff,
+ 0x000030cc, 0x00000104, 0xffffffff,
+ 0x0000d0c0, 0x00000100, 0xffffffff,
+ 0x0000d8c0, 0x00000100, 0xffffffff,
+ 0x0000951c, 0x00010000, 0xffffffff,
+ 0x00009160, 0x00030002, 0xffffffff,
+ 0x00009164, 0x00050004, 0xffffffff,
+ 0x00009168, 0x00070006, 0xffffffff,
+ 0x00009178, 0x00070000, 0xffffffff,
+ 0x0000917c, 0x00030002, 0xffffffff,
+ 0x00009180, 0x00050004, 0xffffffff,
+ 0x0000918c, 0x00010006, 0xffffffff,
+ 0x00009190, 0x00090008, 0xffffffff,
+ 0x00009194, 0x00070000, 0xffffffff,
+ 0x00009198, 0x00030002, 0xffffffff,
+ 0x0000919c, 0x00050004, 0xffffffff,
+ 0x000091a8, 0x00010006, 0xffffffff,
+ 0x000091ac, 0x00090008, 0xffffffff,
+ 0x000091b0, 0x00070000, 0xffffffff,
+ 0x000091b4, 0x00030002, 0xffffffff,
+ 0x000091b8, 0x00050004, 0xffffffff,
+ 0x000091c4, 0x00010006, 0xffffffff,
+ 0x000091c8, 0x00090008, 0xffffffff,
+ 0x000091cc, 0x00070000, 0xffffffff,
+ 0x000091d0, 0x00030002, 0xffffffff,
+ 0x000091d4, 0x00050004, 0xffffffff,
+ 0x000091e0, 0x00010006, 0xffffffff,
+ 0x000091e4, 0x00090008, 0xffffffff,
+ 0x000091e8, 0x00000000, 0xffffffff,
+ 0x000091ec, 0x00070000, 0xffffffff,
+ 0x000091f0, 0x00030002, 0xffffffff,
+ 0x000091f4, 0x00050004, 0xffffffff,
+ 0x00009200, 0x00010006, 0xffffffff,
+ 0x00009204, 0x00090008, 0xffffffff,
+ 0x00009208, 0x00070000, 0xffffffff,
+ 0x0000920c, 0x00030002, 0xffffffff,
+ 0x00009210, 0x00050004, 0xffffffff,
+ 0x0000921c, 0x00010006, 0xffffffff,
+ 0x00009220, 0x00090008, 0xffffffff,
+ 0x00009294, 0x00000000, 0xffffffff
+};
+
+static const u32 trinity_mgcg_shls_enable[] =
+{
+ /* Register, Value, Mask */
+ 0x0000802c, 0xc0000000, 0xffffffff,
+ 0x000008f8, 0x00000000, 0xffffffff,
+ 0x000008fc, 0x00000000, 0x000133FF,
+ 0x000008f8, 0x00000001, 0xffffffff,
+ 0x000008fc, 0x00000000, 0xE00B03FC,
+ 0x00009150, 0x96944200, 0xffffffff
+};
+
+static const u32 trinity_mgcg_shls_disable[] =
+{
+ /* Register, Value, Mask */
+ 0x0000802c, 0xc0000000, 0xffffffff,
+ 0x00009150, 0x00600000, 0xffffffff,
+ 0x000008f8, 0x00000000, 0xffffffff,
+ 0x000008fc, 0xffffffff, 0x000133FF,
+ 0x000008f8, 0x00000001, 0xffffffff,
+ 0x000008fc, 0xffffffff, 0xE00B03FC
+};
+#endif
+
+#ifndef TRINITY_SYSLS_SEQUENCE
+#define TRINITY_SYSLS_SEQUENCE 100
+
+static const u32 trinity_sysls_default[] =
+{
+ /* Register, Value, Mask */
+ 0x000055e8, 0x00000000, 0xffffffff,
+ 0x0000d0bc, 0x00000000, 0xffffffff,
+ 0x0000d8bc, 0x00000000, 0xffffffff,
+ 0x000015c0, 0x000c1401, 0xffffffff,
+ 0x0000264c, 0x000c0400, 0xffffffff,
+ 0x00002648, 0x000c0400, 0xffffffff,
+ 0x00002650, 0x000c0400, 0xffffffff,
+ 0x000020b8, 0x000c0400, 0xffffffff,
+ 0x000020bc, 0x000c0400, 0xffffffff,
+ 0x000020c0, 0x000c0c80, 0xffffffff,
+ 0x0000f4a0, 0x000000c0, 0xffffffff,
+ 0x0000f4a4, 0x00680fff, 0xffffffff,
+ 0x00002f50, 0x00000404, 0xffffffff,
+ 0x000004c8, 0x00000001, 0xffffffff,
+ 0x0000641c, 0x00000000, 0xffffffff,
+ 0x00000c7c, 0x00000000, 0xffffffff,
+ 0x00006dfc, 0x00000000, 0xffffffff
+};
+
+static const u32 trinity_sysls_disable[] =
+{
+ /* Register, Value, Mask */
+ 0x0000d0c0, 0x00000000, 0xffffffff,
+ 0x0000d8c0, 0x00000000, 0xffffffff,
+ 0x000055e8, 0x00000000, 0xffffffff,
+ 0x0000d0bc, 0x00000000, 0xffffffff,
+ 0x0000d8bc, 0x00000000, 0xffffffff,
+ 0x000015c0, 0x00041401, 0xffffffff,
+ 0x0000264c, 0x00040400, 0xffffffff,
+ 0x00002648, 0x00040400, 0xffffffff,
+ 0x00002650, 0x00040400, 0xffffffff,
+ 0x000020b8, 0x00040400, 0xffffffff,
+ 0x000020bc, 0x00040400, 0xffffffff,
+ 0x000020c0, 0x00040c80, 0xffffffff,
+ 0x0000f4a0, 0x000000c0, 0xffffffff,
+ 0x0000f4a4, 0x00680000, 0xffffffff,
+ 0x00002f50, 0x00000404, 0xffffffff,
+ 0x000004c8, 0x00000001, 0xffffffff,
+ 0x0000641c, 0x00007ffd, 0xffffffff,
+ 0x00000c7c, 0x0000ff00, 0xffffffff,
+ 0x00006dfc, 0x0000007f, 0xffffffff
+};
+
+static const u32 trinity_sysls_enable[] =
+{
+ /* Register, Value, Mask */
+ 0x000055e8, 0x00000001, 0xffffffff,
+ 0x0000d0bc, 0x00000100, 0xffffffff,
+ 0x0000d8bc, 0x00000100, 0xffffffff,
+ 0x000015c0, 0x000c1401, 0xffffffff,
+ 0x0000264c, 0x000c0400, 0xffffffff,
+ 0x00002648, 0x000c0400, 0xffffffff,
+ 0x00002650, 0x000c0400, 0xffffffff,
+ 0x000020b8, 0x000c0400, 0xffffffff,
+ 0x000020bc, 0x000c0400, 0xffffffff,
+ 0x000020c0, 0x000c0c80, 0xffffffff,
+ 0x0000f4a0, 0x000000c0, 0xffffffff,
+ 0x0000f4a4, 0x00680fff, 0xffffffff,
+ 0x00002f50, 0x00000903, 0xffffffff,
+ 0x000004c8, 0x00000000, 0xffffffff,
+ 0x0000641c, 0x00000000, 0xffffffff,
+ 0x00000c7c, 0x00000000, 0xffffffff,
+ 0x00006dfc, 0x00000000, 0xffffffff
+};
+#endif
+
+static const u32 trinity_override_mgpg_sequences[] =
+{
+ /* Register, Value */
+ 0x00000200, 0xE030032C,
+ 0x00000204, 0x00000FFF,
+ 0x00000200, 0xE0300058,
+ 0x00000204, 0x00030301,
+ 0x00000200, 0xE0300054,
+ 0x00000204, 0x500010FF,
+ 0x00000200, 0xE0300074,
+ 0x00000204, 0x00030301,
+ 0x00000200, 0xE0300070,
+ 0x00000204, 0x500010FF,
+ 0x00000200, 0xE0300090,
+ 0x00000204, 0x00030301,
+ 0x00000200, 0xE030008C,
+ 0x00000204, 0x500010FF,
+ 0x00000200, 0xE03000AC,
+ 0x00000204, 0x00030301,
+ 0x00000200, 0xE03000A8,
+ 0x00000204, 0x500010FF,
+ 0x00000200, 0xE03000C8,
+ 0x00000204, 0x00030301,
+ 0x00000200, 0xE03000C4,
+ 0x00000204, 0x500010FF,
+ 0x00000200, 0xE03000E4,
+ 0x00000204, 0x00030301,
+ 0x00000200, 0xE03000E0,
+ 0x00000204, 0x500010FF,
+ 0x00000200, 0xE0300100,
+ 0x00000204, 0x00030301,
+ 0x00000200, 0xE03000FC,
+ 0x00000204, 0x500010FF,
+ 0x00000200, 0xE0300058,
+ 0x00000204, 0x00030303,
+ 0x00000200, 0xE0300054,
+ 0x00000204, 0x600010FF,
+ 0x00000200, 0xE0300074,
+ 0x00000204, 0x00030303,
+ 0x00000200, 0xE0300070,
+ 0x00000204, 0x600010FF,
+ 0x00000200, 0xE0300090,
+ 0x00000204, 0x00030303,
+ 0x00000200, 0xE030008C,
+ 0x00000204, 0x600010FF,
+ 0x00000200, 0xE03000AC,
+ 0x00000204, 0x00030303,
+ 0x00000200, 0xE03000A8,
+ 0x00000204, 0x600010FF,
+ 0x00000200, 0xE03000C8,
+ 0x00000204, 0x00030303,
+ 0x00000200, 0xE03000C4,
+ 0x00000204, 0x600010FF,
+ 0x00000200, 0xE03000E4,
+ 0x00000204, 0x00030303,
+ 0x00000200, 0xE03000E0,
+ 0x00000204, 0x600010FF,
+ 0x00000200, 0xE0300100,
+ 0x00000204, 0x00030303,
+ 0x00000200, 0xE03000FC,
+ 0x00000204, 0x600010FF,
+ 0x00000200, 0xE0300058,
+ 0x00000204, 0x00030303,
+ 0x00000200, 0xE0300054,
+ 0x00000204, 0x700010FF,
+ 0x00000200, 0xE0300074,
+ 0x00000204, 0x00030303,
+ 0x00000200, 0xE0300070,
+ 0x00000204, 0x700010FF,
+ 0x00000200, 0xE0300090,
+ 0x00000204, 0x00030303,
+ 0x00000200, 0xE030008C,
+ 0x00000204, 0x700010FF,
+ 0x00000200, 0xE03000AC,
+ 0x00000204, 0x00030303,
+ 0x00000200, 0xE03000A8,
+ 0x00000204, 0x700010FF,
+ 0x00000200, 0xE03000C8,
+ 0x00000204, 0x00030303,
+ 0x00000200, 0xE03000C4,
+ 0x00000204, 0x700010FF,
+ 0x00000200, 0xE03000E4,
+ 0x00000204, 0x00030303,
+ 0x00000200, 0xE03000E0,
+ 0x00000204, 0x700010FF,
+ 0x00000200, 0xE0300100,
+ 0x00000204, 0x00030303,
+ 0x00000200, 0xE03000FC,
+ 0x00000204, 0x700010FF,
+ 0x00000200, 0xE0300058,
+ 0x00000204, 0x00010303,
+ 0x00000200, 0xE0300054,
+ 0x00000204, 0x800010FF,
+ 0x00000200, 0xE0300074,
+ 0x00000204, 0x00010303,
+ 0x00000200, 0xE0300070,
+ 0x00000204, 0x800010FF,
+ 0x00000200, 0xE0300090,
+ 0x00000204, 0x00010303,
+ 0x00000200, 0xE030008C,
+ 0x00000204, 0x800010FF,
+ 0x00000200, 0xE03000AC,
+ 0x00000204, 0x00010303,
+ 0x00000200, 0xE03000A8,
+ 0x00000204, 0x800010FF,
+ 0x00000200, 0xE03000C4,
+ 0x00000204, 0x800010FF,
+ 0x00000200, 0xE03000C8,
+ 0x00000204, 0x00010303,
+ 0x00000200, 0xE03000E4,
+ 0x00000204, 0x00010303,
+ 0x00000200, 0xE03000E0,
+ 0x00000204, 0x800010FF,
+ 0x00000200, 0xE0300100,
+ 0x00000204, 0x00010303,
+ 0x00000200, 0xE03000FC,
+ 0x00000204, 0x800010FF,
+ 0x00000200, 0x0001f198,
+ 0x00000204, 0x0003ffff,
+ 0x00000200, 0x0001f19C,
+ 0x00000204, 0x3fffffff,
+ 0x00000200, 0xE030032C,
+ 0x00000204, 0x00000000,
+};
+
+static void trinity_program_clk_gating_hw_sequence(struct radeon_device *rdev,
+ const u32 *seq, u32 count);
+static void trinity_override_dynamic_mg_powergating(struct radeon_device *rdev);
+static void trinity_apply_state_adjust_rules(struct radeon_device *rdev);
+
+struct trinity_ps *trinity_get_ps(struct radeon_ps *rps)
+{
+ struct trinity_ps *ps = rps->ps_priv;
+
+ return ps;
+}
+
+struct trinity_power_info *trinity_get_pi(struct radeon_device *rdev)
+{
+ struct trinity_power_info *pi = rdev->pm.dpm.priv;
+
+ return pi;
+}
+
+static void trinity_gfx_powergating_initialize(struct radeon_device *rdev)
+{
+ struct trinity_power_info *pi = trinity_get_pi(rdev);
+ u32 p, u;
+ u32 value;
+ struct atom_clock_dividers dividers;
+ u32 xclk = sumo_get_xclk(rdev);
+ u32 sssd = 1;
+ int ret;
+ u32 hw_rev = (RREG32(HW_REV) & ATI_REV_ID_MASK) >> ATI_REV_ID_SHIFT;
+
+ ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM,
+ 25000, false, ÷rs);
+ if (ret)
+ return;
+
+ value = RREG32_SMC(GFX_POWER_GATING_CNTL);
+ value &= ~(SSSD_MASK | PDS_DIV_MASK);
+ if (sssd)
+ value |= SSSD(1);
+ value |= PDS_DIV(dividers.post_div);
+ WREG32_SMC(GFX_POWER_GATING_CNTL, value);
+
+ r600_calculate_u_and_p(500, xclk, 16, &p, &u);
+
+ WREG32(CG_PG_CTRL, SP(p) | SU(u));
+
+ WREG32_P(CG_GIPOTS, CG_GIPOT(p), ~CG_GIPOT_MASK);
+
+ /* XXX double check hw_rev */
+ if (pi->override_dynamic_mgpg && (hw_rev == 0))
+ trinity_override_dynamic_mg_powergating(rdev);
+
+}
+
+#define CGCG_CGTT_LOCAL0_MASK 0xFFFF33FF
+#define CGCG_CGTT_LOCAL1_MASK 0xFFFB0FFE
+#define CGTS_SM_CTRL_REG_DISABLE 0x00600000
+#define CGTS_SM_CTRL_REG_ENABLE 0x96944200
+
+static void trinity_mg_clockgating_enable(struct radeon_device *rdev,
+ bool enable)
+{
+ u32 local0;
+ u32 local1;
+
+ if (enable) {
+ local0 = RREG32_CG(CG_CGTT_LOCAL_0);
+ local1 = RREG32_CG(CG_CGTT_LOCAL_1);
+
+ WREG32_CG(CG_CGTT_LOCAL_0,
+ (0x00380000 & CGCG_CGTT_LOCAL0_MASK) | (local0 & ~CGCG_CGTT_LOCAL0_MASK) );
+ WREG32_CG(CG_CGTT_LOCAL_1,
+ (0x0E000000 & CGCG_CGTT_LOCAL1_MASK) | (local1 & ~CGCG_CGTT_LOCAL1_MASK) );
+
+ WREG32(CGTS_SM_CTRL_REG, CGTS_SM_CTRL_REG_ENABLE);
+ } else {
+ WREG32(CGTS_SM_CTRL_REG, CGTS_SM_CTRL_REG_DISABLE);
+
+ local0 = RREG32_CG(CG_CGTT_LOCAL_0);
+ local1 = RREG32_CG(CG_CGTT_LOCAL_1);
+
+ WREG32_CG(CG_CGTT_LOCAL_0,
+ CGCG_CGTT_LOCAL0_MASK | (local0 & ~CGCG_CGTT_LOCAL0_MASK) );
+ WREG32_CG(CG_CGTT_LOCAL_1,
+ CGCG_CGTT_LOCAL1_MASK | (local1 & ~CGCG_CGTT_LOCAL1_MASK) );
+ }
+}
+
+static void trinity_mg_clockgating_initialize(struct radeon_device *rdev)
+{
+ u32 count;
+ const u32 *seq = NULL;
+
+ seq = &trinity_mgcg_shls_default[0];
+ count = sizeof(trinity_mgcg_shls_default) / (3 * sizeof(u32));
+
+ trinity_program_clk_gating_hw_sequence(rdev, seq, count);
+}
+
+static void trinity_gfx_clockgating_enable(struct radeon_device *rdev,
+ bool enable)
+{
+ if (enable) {
+ WREG32_P(SCLK_PWRMGT_CNTL, DYN_GFX_CLK_OFF_EN, ~DYN_GFX_CLK_OFF_EN);
+ } else {
+ WREG32_P(SCLK_PWRMGT_CNTL, 0, ~DYN_GFX_CLK_OFF_EN);
+ WREG32_P(SCLK_PWRMGT_CNTL, GFX_CLK_FORCE_ON, ~GFX_CLK_FORCE_ON);
+ WREG32_P(SCLK_PWRMGT_CNTL, 0, ~GFX_CLK_FORCE_ON);
+ RREG32(GB_ADDR_CONFIG);
+ }
+}
+
+static void trinity_program_clk_gating_hw_sequence(struct radeon_device *rdev,
+ const u32 *seq, u32 count)
+{
+ u32 i, length = count * 3;
+
+ for (i = 0; i < length; i += 3)
+ WREG32_P(seq[i], seq[i+1], ~seq[i+2]);
+}
+
+static void trinity_program_override_mgpg_sequences(struct radeon_device *rdev,
+ const u32 *seq, u32 count)
+{
+ u32 i, length = count * 2;
+
+ for (i = 0; i < length; i += 2)
+ WREG32(seq[i], seq[i+1]);
+
+}
+
+static void trinity_override_dynamic_mg_powergating(struct radeon_device *rdev)
+{
+ u32 count;
+ const u32 *seq = NULL;
+
+ seq = &trinity_override_mgpg_sequences[0];
+ count = sizeof(trinity_override_mgpg_sequences) / (2 * sizeof(u32));
+
+ trinity_program_override_mgpg_sequences(rdev, seq, count);
+}
+
+static void trinity_ls_clockgating_enable(struct radeon_device *rdev,
+ bool enable)
+{
+ u32 count;
+ const u32 *seq = NULL;
+
+ if (enable) {
+ seq = &trinity_sysls_enable[0];
+ count = sizeof(trinity_sysls_enable) / (3 * sizeof(u32));
+ } else {
+ seq = &trinity_sysls_disable[0];
+ count = sizeof(trinity_sysls_disable) / (3 * sizeof(u32));
+ }
+
+ trinity_program_clk_gating_hw_sequence(rdev, seq, count);
+}
+
+static void trinity_gfx_powergating_enable(struct radeon_device *rdev,
+ bool enable)
+{
+ if (enable) {
+ if (RREG32_SMC(CC_SMU_TST_EFUSE1_MISC) & RB_BACKEND_DISABLE_MASK)
+ WREG32_SMC(SMU_SCRATCH_A, (RREG32_SMC(SMU_SCRATCH_A) | 0x01));
+
+ WREG32_P(SCLK_PWRMGT_CNTL, DYN_PWR_DOWN_EN, ~DYN_PWR_DOWN_EN);
+ } else {
+ WREG32_P(SCLK_PWRMGT_CNTL, 0, ~DYN_PWR_DOWN_EN);
+ RREG32(GB_ADDR_CONFIG);
+ }
+}
+
+static void trinity_gfx_dynamic_mgpg_enable(struct radeon_device *rdev,
+ bool enable)
+{
+ u32 value;
+
+ if (enable) {
+ value = RREG32_SMC(PM_I_CNTL_1);
+ value &= ~DS_PG_CNTL_MASK;
+ value |= DS_PG_CNTL(1);
+ WREG32_SMC(PM_I_CNTL_1, value);
+
+ value = RREG32_SMC(SMU_S_PG_CNTL);
+ value &= ~DS_PG_EN_MASK;
+ value |= DS_PG_EN(1);
+ WREG32_SMC(SMU_S_PG_CNTL, value);
+ } else {
+ value = RREG32_SMC(SMU_S_PG_CNTL);
+ value &= ~DS_PG_EN_MASK;
+ WREG32_SMC(SMU_S_PG_CNTL, value);
+
+ value = RREG32_SMC(PM_I_CNTL_1);
+ value &= ~DS_PG_CNTL_MASK;
+ WREG32_SMC(PM_I_CNTL_1, value);
+ }
+
+ trinity_gfx_dynamic_mgpg_config(rdev);
+
+}
+
+static void trinity_enable_clock_power_gating(struct radeon_device *rdev)
+{
+ struct trinity_power_info *pi = trinity_get_pi(rdev);
+
+ if (pi->enable_gfx_clock_gating)
+ sumo_gfx_clockgating_initialize(rdev);
+ if (pi->enable_mg_clock_gating)
+ trinity_mg_clockgating_initialize(rdev);
+ if (pi->enable_gfx_power_gating)
+ trinity_gfx_powergating_initialize(rdev);
+ if (pi->enable_mg_clock_gating) {
+ trinity_ls_clockgating_enable(rdev, true);
+ trinity_mg_clockgating_enable(rdev, true);
+ }
+ if (pi->enable_gfx_clock_gating)
+ trinity_gfx_clockgating_enable(rdev, true);
+ if (pi->enable_gfx_dynamic_mgpg)
+ trinity_gfx_dynamic_mgpg_enable(rdev, true);
+ if (pi->enable_gfx_power_gating)
+ trinity_gfx_powergating_enable(rdev, true);
+}
+
+static void trinity_disable_clock_power_gating(struct radeon_device *rdev)
+{
+ struct trinity_power_info *pi = trinity_get_pi(rdev);
+
+ if (pi->enable_gfx_power_gating)
+ trinity_gfx_powergating_enable(rdev, false);
+ if (pi->enable_gfx_dynamic_mgpg)
+ trinity_gfx_dynamic_mgpg_enable(rdev, false);
+ if (pi->enable_gfx_clock_gating)
+ trinity_gfx_clockgating_enable(rdev, false);
+ if (pi->enable_mg_clock_gating) {
+ trinity_mg_clockgating_enable(rdev, false);
+ trinity_ls_clockgating_enable(rdev, false);
+ }
+}
+
+static void trinity_set_divider_value(struct radeon_device *rdev,
+ u32 index, u32 sclk)
+{
+ struct atom_clock_dividers dividers;
+ int ret;
+ u32 value;
+ u32 ix = index * TRINITY_SIZEOF_DPM_STATE_TABLE;
+
+ ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM,
+ sclk, false, ÷rs);
+ if (ret)
+ return;
+
+ value = RREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_0 + ix);
+ value &= ~CLK_DIVIDER_MASK;
+ value |= CLK_DIVIDER(dividers.post_div);
+ WREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_0 + ix, value);
+
+ ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM,
+ sclk/2, false, ÷rs);
+ if (ret)
+ return;
+
+ value = RREG32_SMC(SMU_SCLK_DPM_STATE_0_PG_CNTL + ix);
+ value &= ~PD_SCLK_DIVIDER_MASK;
+ value |= PD_SCLK_DIVIDER(dividers.post_div);
+ WREG32_SMC(SMU_SCLK_DPM_STATE_0_PG_CNTL + ix, value);
+}
+
+static void trinity_set_ds_dividers(struct radeon_device *rdev,
+ u32 index, u32 divider)
+{
+ u32 value;
+ u32 ix = index * TRINITY_SIZEOF_DPM_STATE_TABLE;
+
+ value = RREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_1 + ix);
+ value &= ~DS_DIV_MASK;
+ value |= DS_DIV(divider);
+ WREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_1 + ix, value);
+}
+
+static void trinity_set_ss_dividers(struct radeon_device *rdev,
+ u32 index, u32 divider)
+{
+ u32 value;
+ u32 ix = index * TRINITY_SIZEOF_DPM_STATE_TABLE;
+
+ value = RREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_1 + ix);
+ value &= ~DS_SH_DIV_MASK;
+ value |= DS_SH_DIV(divider);
+ WREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_1 + ix, value);
+}
+
+static void trinity_set_vid(struct radeon_device *rdev, u32 index, u32 vid)
+{
+ struct trinity_power_info *pi = trinity_get_pi(rdev);
+ u32 vid_7bit = sumo_convert_vid2_to_vid7(rdev, &pi->sys_info.vid_mapping_table, vid);
+ u32 value;
+ u32 ix = index * TRINITY_SIZEOF_DPM_STATE_TABLE;
+
+ value = RREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_0 + ix);
+ value &= ~VID_MASK;
+ value |= VID(vid_7bit);
+ WREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_0 + ix, value);
+
+ value = RREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_0 + ix);
+ value &= ~LVRT_MASK;
+ value |= LVRT(0);
+ WREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_0 + ix, value);
+}
+
+static void trinity_set_allos_gnb_slow(struct radeon_device *rdev,
+ u32 index, u32 gnb_slow)
+{
+ u32 value;
+ u32 ix = index * TRINITY_SIZEOF_DPM_STATE_TABLE;
+
+ value = RREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_3 + ix);
+ value &= ~GNB_SLOW_MASK;
+ value |= GNB_SLOW(gnb_slow);
+ WREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_3 + ix, value);
+}
+
+static void trinity_set_force_nbp_state(struct radeon_device *rdev,
+ u32 index, u32 force_nbp_state)
+{
+ u32 value;
+ u32 ix = index * TRINITY_SIZEOF_DPM_STATE_TABLE;
+
+ value = RREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_3 + ix);
+ value &= ~FORCE_NBPS1_MASK;
+ value |= FORCE_NBPS1(force_nbp_state);
+ WREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_3 + ix, value);
+}
+
+static void trinity_set_display_wm(struct radeon_device *rdev,
+ u32 index, u32 wm)
+{
+ u32 value;
+ u32 ix = index * TRINITY_SIZEOF_DPM_STATE_TABLE;
+
+ value = RREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_1 + ix);
+ value &= ~DISPLAY_WM_MASK;
+ value |= DISPLAY_WM(wm);
+ WREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_1 + ix, value);
+}
+
+static void trinity_set_vce_wm(struct radeon_device *rdev,
+ u32 index, u32 wm)
+{
+ u32 value;
+ u32 ix = index * TRINITY_SIZEOF_DPM_STATE_TABLE;
+
+ value = RREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_1 + ix);
+ value &= ~VCE_WM_MASK;
+ value |= VCE_WM(wm);
+ WREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_1 + ix, value);
+}
+
+static void trinity_set_at(struct radeon_device *rdev,
+ u32 index, u32 at)
+{
+ u32 value;
+ u32 ix = index * TRINITY_SIZEOF_DPM_STATE_TABLE;
+
+ value = RREG32_SMC(SMU_SCLK_DPM_STATE_0_AT + ix);
+ value &= ~AT_MASK;
+ value |= AT(at);
+ WREG32_SMC(SMU_SCLK_DPM_STATE_0_AT + ix, value);
+}
+
+static void trinity_program_power_level(struct radeon_device *rdev,
+ struct trinity_pl *pl, u32 index)
+{
+ struct trinity_power_info *pi = trinity_get_pi(rdev);
+
+ if (index >= SUMO_MAX_HARDWARE_POWERLEVELS)
+ return;
+
+ trinity_set_divider_value(rdev, index, pl->sclk);
+ trinity_set_vid(rdev, index, pl->vddc_index);
+ trinity_set_ss_dividers(rdev, index, pl->ss_divider_index);
+ trinity_set_ds_dividers(rdev, index, pl->ds_divider_index);
+ trinity_set_allos_gnb_slow(rdev, index, pl->allow_gnb_slow);
+ trinity_set_force_nbp_state(rdev, index, pl->force_nbp_state);
+ trinity_set_display_wm(rdev, index, pl->display_wm);
+ trinity_set_vce_wm(rdev, index, pl->vce_wm);
+ trinity_set_at(rdev, index, pi->at[index]);
+}
+
+static void trinity_power_level_enable_disable(struct radeon_device *rdev,
+ u32 index, bool enable)
+{
+ u32 value;
+ u32 ix = index * TRINITY_SIZEOF_DPM_STATE_TABLE;
+
+ value = RREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_0 + ix);
+ value &= ~STATE_VALID_MASK;
+ if (enable)
+ value |= STATE_VALID(1);
+ WREG32_SMC(SMU_SCLK_DPM_STATE_0_CNTL_0 + ix, value);
+}
+
+static bool trinity_dpm_enabled(struct radeon_device *rdev)
+{
+ if (RREG32_SMC(SMU_SCLK_DPM_CNTL) & SCLK_DPM_EN(1))
+ return true;
+ else
+ return false;
+}
+
+static void trinity_start_dpm(struct radeon_device *rdev)
+{
+ u32 value = RREG32_SMC(SMU_SCLK_DPM_CNTL);
+
+ value &= ~(SCLK_DPM_EN_MASK | SCLK_DPM_BOOT_STATE_MASK | VOLTAGE_CHG_EN_MASK);
+ value |= SCLK_DPM_EN(1) | SCLK_DPM_BOOT_STATE(0) | VOLTAGE_CHG_EN(1);
+ WREG32_SMC(SMU_SCLK_DPM_CNTL, value);
+
+ WREG32_P(GENERAL_PWRMGT, GLOBAL_PWRMGT_EN, ~GLOBAL_PWRMGT_EN);
+ WREG32_P(CG_CG_VOLTAGE_CNTL, 0, ~EN);
+
+ trinity_dpm_config(rdev, true);
+}
+
+static void trinity_wait_for_dpm_enabled(struct radeon_device *rdev)
+{
+ int i;
+
+ for (i = 0; i < rdev->usec_timeout; i++) {
+ if (RREG32(SCLK_PWRMGT_CNTL) & DYNAMIC_PM_EN)
+ break;
+ udelay(1);
+ }
+ for (i = 0; i < rdev->usec_timeout; i++) {
+ if ((RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & TARGET_STATE_MASK) == 0)
+ break;
+ udelay(1);
+ }
+ for (i = 0; i < rdev->usec_timeout; i++) {
+ if ((RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_STATE_MASK) == 0)
+ break;
+ udelay(1);
+ }
+}
+
+static void trinity_stop_dpm(struct radeon_device *rdev)
+{
+ u32 sclk_dpm_cntl;
+
+ WREG32_P(CG_CG_VOLTAGE_CNTL, EN, ~EN);
+
+ sclk_dpm_cntl = RREG32_SMC(SMU_SCLK_DPM_CNTL);
+ sclk_dpm_cntl &= ~(SCLK_DPM_EN_MASK | VOLTAGE_CHG_EN_MASK);
+ WREG32_SMC(SMU_SCLK_DPM_CNTL, sclk_dpm_cntl);
+
+ trinity_dpm_config(rdev, false);
+}
+
+static void trinity_start_am(struct radeon_device *rdev)
+{
+ WREG32_P(SCLK_PWRMGT_CNTL, 0, ~(RESET_SCLK_CNT | RESET_BUSY_CNT));
+}
+
+static void trinity_reset_am(struct radeon_device *rdev)
+{
+ WREG32_P(SCLK_PWRMGT_CNTL, RESET_SCLK_CNT | RESET_BUSY_CNT,
+ ~(RESET_SCLK_CNT | RESET_BUSY_CNT));
+}
+
+static void trinity_wait_for_level_0(struct radeon_device *rdev)
+{
+ int i;
+
+ for (i = 0; i < rdev->usec_timeout; i++) {
+ if ((RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_STATE_MASK) == 0)
+ break;
+ udelay(1);
+ }
+}
+
+static void trinity_enable_power_level_0(struct radeon_device *rdev)
+{
+ trinity_power_level_enable_disable(rdev, 0, true);
+}
+
+static void trinity_force_level_0(struct radeon_device *rdev)
+{
+ trinity_dpm_force_state(rdev, 0);
+}
+
+static void trinity_unforce_levels(struct radeon_device *rdev)
+{
+ trinity_dpm_no_forced_level(rdev);
+}
+
+static void trinity_update_current_power_levels(struct radeon_device *rdev)
+{
+ struct trinity_ps *new_ps = trinity_get_ps(rdev->pm.dpm.requested_ps);
+ struct trinity_power_info *pi = trinity_get_pi(rdev);
+
+ pi->current_ps = *new_ps;
+}
+
+static void trinity_program_power_levels_0_to_n(struct radeon_device *rdev)
+{
+ struct trinity_ps *new_ps = trinity_get_ps(rdev->pm.dpm.requested_ps);
+ struct trinity_ps *old_ps = trinity_get_ps(rdev->pm.dpm.current_ps);
+ u32 i;
+ u32 n_current_state_levels = (old_ps == NULL) ? 1 : old_ps->num_levels;
+
+ for (i = 0; i < new_ps->num_levels; i++) {
+ trinity_program_power_level(rdev, &new_ps->levels[i], i);
+ trinity_power_level_enable_disable(rdev, i, true);
+ }
+
+ for (i = new_ps->num_levels; i < n_current_state_levels; i++)
+ trinity_power_level_enable_disable(rdev, i, false);
+}
+
+static void trinity_program_bootup_state(struct radeon_device *rdev)
+{
+ struct trinity_power_info *pi = trinity_get_pi(rdev);
+ u32 i;
+
+ trinity_program_power_level(rdev, &pi->boot_pl, 0);
+ trinity_power_level_enable_disable(rdev, 0, true);
+
+ for (i = 1; i < 8; i++)
+ trinity_power_level_enable_disable(rdev, i, false);
+}
+
+static void trinity_program_ttt(struct radeon_device *rdev)
+{
+ struct trinity_power_info *pi = trinity_get_pi(rdev);
+ u32 value = RREG32_SMC(SMU_SCLK_DPM_TTT);
+
+ value &= ~(HT_MASK | LT_MASK);
+ value |= HT((pi->thermal_auto_throttling + 49) * 8);
+ value |= LT((pi->thermal_auto_throttling + 49 - pi->sys_info.htc_hyst_lmt) * 8);
+ WREG32_SMC(SMU_SCLK_DPM_TTT, value);
+}
+
+static void trinity_enable_att(struct radeon_device *rdev)
+{
+ u32 value = RREG32_SMC(SMU_SCLK_DPM_TT_CNTL);
+
+ value &= ~SCLK_TT_EN_MASK;
+ value |= SCLK_TT_EN(1);
+ WREG32_SMC(SMU_SCLK_DPM_TT_CNTL, value);
+}
+
+static void trinity_program_sclk_dpm(struct radeon_device *rdev)
+{
+ u32 p, u;
+ u32 tp = RREG32_SMC(PM_TP);
+ u32 ni;
+ u32 xclk = sumo_get_xclk(rdev);
+ u32 value;
+
+ r600_calculate_u_and_p(400, xclk, 16, &p, &u);
+
+ ni = (p + tp - 1) / tp;
+
+ value = RREG32_SMC(PM_I_CNTL_1);
+ value &= ~SCLK_DPM_MASK;
+ value |= SCLK_DPM(ni);
+ WREG32_SMC(PM_I_CNTL_1, value);
+}
+
+static int trinity_set_thermal_temperature_range(struct radeon_device *rdev,
+ int min_temp, int max_temp)
+{
+ int low_temp = 0 * 1000;
+ int high_temp = 255 * 1000;
+
+ if (low_temp < min_temp)
+ low_temp = min_temp;
+ if (high_temp > max_temp)
+ high_temp = max_temp;
+ if (high_temp < low_temp) {
+ DRM_ERROR("invalid thermal range: %d - %d\n", low_temp, high_temp);
+ return -EINVAL;
+ }
+
+ WREG32_P(CG_THERMAL_INT_CTRL, DIG_THERM_INTH(49 + (high_temp / 1000)), ~DIG_THERM_INTH_MASK);
+ WREG32_P(CG_THERMAL_INT_CTRL, DIG_THERM_INTL(49 + (low_temp / 1000)), ~DIG_THERM_INTL_MASK);
+
+ rdev->pm.dpm.thermal.min_temp = low_temp;
+ rdev->pm.dpm.thermal.max_temp = high_temp;
+
+ return 0;
+}
+
+int trinity_dpm_enable(struct radeon_device *rdev)
+{
+ struct trinity_power_info *pi = trinity_get_pi(rdev);
+
+ trinity_acquire_mutex(rdev);
+
+ if (trinity_dpm_enabled(rdev)) {
+ trinity_release_mutex(rdev);
+ return -EINVAL;
+ }
+
+ trinity_enable_clock_power_gating(rdev);
+ trinity_program_bootup_state(rdev);
+ sumo_program_vc(rdev, 0x00C00033);
+ trinity_start_am(rdev);
+ if (pi->enable_auto_thermal_throttling) {
+ trinity_program_ttt(rdev);
+ trinity_enable_att(rdev);
+ }
+ trinity_program_sclk_dpm(rdev);
+ trinity_start_dpm(rdev);
+ trinity_wait_for_dpm_enabled(rdev);
+ trinity_release_mutex(rdev);
+
+ if (rdev->irq.installed &&
+ r600_is_internal_thermal_sensor(rdev->pm.int_thermal_type)) {
+ trinity_set_thermal_temperature_range(rdev, R600_TEMP_RANGE_MIN, R600_TEMP_RANGE_MAX);
+ rdev->irq.dpm_thermal = true;
+ radeon_irq_set(rdev);
+ }
+
+ return 0;
+}
+
+void trinity_dpm_disable(struct radeon_device *rdev)
+{
+ trinity_acquire_mutex(rdev);
+ if (!trinity_dpm_enabled(rdev)) {
+ trinity_release_mutex(rdev);
+ return;
+ }
+ trinity_disable_clock_power_gating(rdev);
+ sumo_clear_vc(rdev);
+ trinity_wait_for_level_0(rdev);
+ trinity_stop_dpm(rdev);
+ trinity_reset_am(rdev);
+ trinity_release_mutex(rdev);
+
+ if (rdev->irq.installed &&
+ r600_is_internal_thermal_sensor(rdev->pm.int_thermal_type)) {
+ rdev->irq.dpm_thermal = false;
+ radeon_irq_set(rdev);
+ }
+}
+
+static void trinity_get_min_sclk_divider(struct radeon_device *rdev)
+{
+ struct trinity_power_info *pi = trinity_get_pi(rdev);
+
+ pi->min_sclk_did =
+ (RREG32_SMC(CC_SMU_MISC_FUSES) & MinSClkDid_MASK) >> MinSClkDid_SHIFT;
+}
+
+static void trinity_setup_nbp_sim(struct radeon_device *rdev)
+{
+ struct trinity_power_info *pi = trinity_get_pi(rdev);
+ struct trinity_ps *new_ps = trinity_get_ps(rdev->pm.dpm.requested_ps);
+ u32 nbpsconfig;
+
+ if (pi->sys_info.nb_dpm_enable) {
+ nbpsconfig = RREG32_SMC(NB_PSTATE_CONFIG);
+ nbpsconfig &= ~(Dpm0PgNbPsLo_MASK | Dpm0PgNbPsHi_MASK | DpmXNbPsLo_MASK | DpmXNbPsHi_MASK);
+ nbpsconfig |= (Dpm0PgNbPsLo(new_ps->Dpm0PgNbPsLo) |
+ Dpm0PgNbPsHi(new_ps->Dpm0PgNbPsHi) |
+ DpmXNbPsLo(new_ps->DpmXNbPsLo) |
+ DpmXNbPsHi(new_ps->DpmXNbPsHi));
+ WREG32_SMC(NB_PSTATE_CONFIG, nbpsconfig);
+ }
+}
+
+int trinity_dpm_set_power_state(struct radeon_device *rdev)
+{
+ struct trinity_power_info *pi = trinity_get_pi(rdev);
+
+ trinity_apply_state_adjust_rules(rdev);
+ trinity_update_current_power_levels(rdev);
+
+ trinity_acquire_mutex(rdev);
+ if (pi->enable_dpm) {
+ trinity_enable_power_level_0(rdev);
+ trinity_force_level_0(rdev);
+ trinity_wait_for_level_0(rdev);
+ trinity_setup_nbp_sim(rdev);
+ trinity_program_power_levels_0_to_n(rdev);
+ trinity_force_level_0(rdev);
+ trinity_unforce_levels(rdev);
+ }
+ trinity_release_mutex(rdev);
+
+ return 0;
+}
+
+void trinity_dpm_setup_asic(struct radeon_device *rdev)
+{
+ trinity_acquire_mutex(rdev);
+ sumo_program_sstp(rdev);
+ sumo_take_smu_control(rdev, true);
+ trinity_get_min_sclk_divider(rdev);
+ trinity_release_mutex(rdev);
+}
+
+void trinity_dpm_reset_asic(struct radeon_device *rdev)
+{
+ struct trinity_power_info *pi = trinity_get_pi(rdev);
+
+ trinity_acquire_mutex(rdev);
+ if (pi->enable_dpm) {
+ trinity_enable_power_level_0(rdev);
+ trinity_force_level_0(rdev);
+ trinity_wait_for_level_0(rdev);
+ trinity_program_bootup_state(rdev);
+ trinity_force_level_0(rdev);
+ trinity_unforce_levels(rdev);
+ }
+ trinity_release_mutex(rdev);
+}
+
+static u16 trinity_convert_voltage_index_to_value(struct radeon_device *rdev,
+ u32 vid_2bit)
+{
+ struct trinity_power_info *pi = trinity_get_pi(rdev);
+ u32 vid_7bit = sumo_convert_vid2_to_vid7(rdev, &pi->sys_info.vid_mapping_table, vid_2bit);
+ u32 svi_mode = (RREG32_SMC(PM_CONFIG) & SVI_Mode) ? 1 : 0;
+ u32 step = (svi_mode == 0) ? 1250 : 625;
+ u32 delta = vid_7bit * step + 50;
+
+ if (delta > 155000)
+ return 0;
+
+ return (155000 - delta) / 100;
+}
+
+static void trinity_patch_boot_state(struct radeon_device *rdev,
+ struct trinity_ps *ps)
+{
+ struct trinity_power_info *pi = trinity_get_pi(rdev);
+
+ ps->num_levels = 1;
+ ps->nbps_flags = 0;
+ ps->bapm_flags = 0;
+ ps->levels[0] = pi->boot_pl;
+}
+
+static u8 trinity_calculate_vce_wm(struct radeon_device *rdev, u32 sclk)
+{
+ if (sclk < 20000)
+ return 1;
+ return 0;
+}
+
+static void trinity_construct_boot_state(struct radeon_device *rdev)
+{
+ struct trinity_power_info *pi = trinity_get_pi(rdev);
+
+ pi->boot_pl.sclk = pi->sys_info.bootup_sclk;
+ pi->boot_pl.vddc_index = pi->sys_info.bootup_nb_voltage_index;
+ pi->boot_pl.ds_divider_index = 0;
+ pi->boot_pl.ss_divider_index = 0;
+ pi->boot_pl.allow_gnb_slow = 1;
+ pi->boot_pl.force_nbp_state = 0;
+ pi->boot_pl.display_wm = 0;
+ pi->boot_pl.vce_wm = 0;
+ pi->current_ps.num_levels = 1;
+ pi->current_ps.levels[0] = pi->boot_pl;
+}
+
+static u8 trinity_get_sleep_divider_id_from_clock(struct radeon_device *rdev,
+ u32 sclk, u32 min_sclk_in_sr)
+{
+ struct trinity_power_info *pi = trinity_get_pi(rdev);
+ u32 i;
+ u32 temp;
+ u32 min = (min_sclk_in_sr > TRINITY_MINIMUM_ENGINE_CLOCK) ?
+ min_sclk_in_sr : TRINITY_MINIMUM_ENGINE_CLOCK;
+
+ if (sclk < min)
+ return 0;
+
+ if (!pi->enable_sclk_ds)
+ return 0;
+
+ for (i = TRINITY_MAX_DEEPSLEEP_DIVIDER_ID; ; i--) {
+ temp = sclk / sumo_get_sleep_divider_from_id(i);
+ if (temp >= min || i == 0)
+ break;
+ }
+
+ return (u8)i;
+}
+
+static u32 trinity_get_valid_engine_clock(struct radeon_device *rdev,
+ u32 lower_limit)
+{
+ struct trinity_power_info *pi = trinity_get_pi(rdev);
+ u32 i;
+
+ for (i = 0; i < pi->sys_info.sclk_voltage_mapping_table.num_max_dpm_entries; i++) {
+ if (pi->sys_info.sclk_voltage_mapping_table.entries[i].sclk_frequency >= lower_limit)
+ return pi->sys_info.sclk_voltage_mapping_table.entries[i].sclk_frequency;
+ }
+
+ if (i == pi->sys_info.sclk_voltage_mapping_table.num_max_dpm_entries)
+ DRM_ERROR("engine clock out of range!");
+
+ return 0;
+}
+
+static void trinity_patch_thermal_state(struct radeon_device *rdev,
+ struct trinity_ps *ps,
+ struct trinity_ps *current_ps)
+{
+ struct trinity_power_info *pi = trinity_get_pi(rdev);
+ u32 sclk_in_sr = pi->sys_info.min_sclk; /* ??? */
+ u32 current_vddc;
+ u32 current_sclk;
+ u32 current_index = 0;
+
+ if (current_ps) {
+ current_vddc = current_ps->levels[current_index].vddc_index;
+ current_sclk = current_ps->levels[current_index].sclk;
+ } else {
+ current_vddc = pi->boot_pl.vddc_index;
+ current_sclk = pi->boot_pl.sclk;
+ }
+
+ ps->levels[0].vddc_index = current_vddc;
+
+ if (ps->levels[0].sclk > current_sclk)
+ ps->levels[0].sclk = current_sclk;
+
+ ps->levels[0].ds_divider_index =
+ trinity_get_sleep_divider_id_from_clock(rdev, ps->levels[0].sclk, sclk_in_sr);
+ ps->levels[0].ss_divider_index = ps->levels[0].ds_divider_index;
+ ps->levels[0].allow_gnb_slow = 1;
+ ps->levels[0].force_nbp_state = 0;
+ ps->levels[0].display_wm = 0;
+ ps->levels[0].vce_wm =
+ trinity_calculate_vce_wm(rdev, ps->levels[0].sclk);
+}
+
+static u8 trinity_calculate_display_wm(struct radeon_device *rdev,
+ struct trinity_ps *ps, u32 index)
+{
+ if (ps == NULL || ps->num_levels <= 1)
+ return 0;
+ else if (ps->num_levels == 2) {
+ if (index == 0)
+ return 0;
+ else
+ return 1;
+ } else {
+ if (index == 0)
+ return 0;
+ else if (ps->levels[index].sclk < 30000)
+ return 0;
+ else
+ return 1;
+ }
+}
+
+static void trinity_apply_state_adjust_rules(struct radeon_device *rdev)
+{
+ struct radeon_ps *rps = rdev->pm.dpm.requested_ps;
+ struct trinity_ps *ps = trinity_get_ps(rps);
+ struct trinity_ps *current_ps = trinity_get_ps(rdev->pm.dpm.current_ps);
+ struct trinity_power_info *pi = trinity_get_pi(rdev);
+ u32 min_voltage = 0; /* ??? */
+ u32 min_sclk = pi->sys_info.min_sclk; /* XXX check against disp reqs */
+ u32 sclk_in_sr = pi->sys_info.min_sclk; /* ??? */
+ u32 i;
+ bool force_high;
+ u32 num_active_displays = rdev->pm.dpm.new_active_crtc_count;
+
+ if (rps->class & ATOM_PPLIB_CLASSIFICATION_THERMAL)
+ return trinity_patch_thermal_state(rdev, ps, current_ps);
+
+ for (i = 0; i < ps->num_levels; i++) {
+ if (ps->levels[i].vddc_index < min_voltage)
+ ps->levels[i].vddc_index = min_voltage;
+
+ if (ps->levels[i].sclk < min_sclk)
+ ps->levels[i].sclk =
+ trinity_get_valid_engine_clock(rdev, min_sclk);
+
+ ps->levels[i].ds_divider_index =
+ sumo_get_sleep_divider_id_from_clock(rdev, ps->levels[i].sclk, sclk_in_sr);
+
+ ps->levels[i].ss_divider_index = ps->levels[i].ds_divider_index;
+
+ ps->levels[i].allow_gnb_slow = 1;
+ ps->levels[i].force_nbp_state = 0;
+ ps->levels[i].display_wm =
+ trinity_calculate_display_wm(rdev, ps, i);
+ ps->levels[i].vce_wm =
+ trinity_calculate_vce_wm(rdev, ps->levels[0].sclk);
+ }
+
+ if ((rps->class & (ATOM_PPLIB_CLASSIFICATION_HDSTATE | ATOM_PPLIB_CLASSIFICATION_SDSTATE)) ||
+ ((rps->class & ATOM_PPLIB_CLASSIFICATION_UI_MASK) == ATOM_PPLIB_CLASSIFICATION_UI_BATTERY))
+ ps->bapm_flags |= TRINITY_POWERSTATE_FLAGS_BAPM_DISABLE;
+
+ if (pi->sys_info.nb_dpm_enable) {
+ ps->Dpm0PgNbPsLo = 0x1;
+ ps->Dpm0PgNbPsHi = 0x0;
+ ps->DpmXNbPsLo = 0x2;
+ ps->DpmXNbPsHi = 0x1;
+
+ if ((rps->class & (ATOM_PPLIB_CLASSIFICATION_HDSTATE | ATOM_PPLIB_CLASSIFICATION_SDSTATE)) ||
+ ((rps->class & ATOM_PPLIB_CLASSIFICATION_UI_MASK) == ATOM_PPLIB_CLASSIFICATION_UI_BATTERY)) {
+ force_high = ((rps->class & ATOM_PPLIB_CLASSIFICATION_HDSTATE) ||
+ ((rps->class & ATOM_PPLIB_CLASSIFICATION_SDSTATE) &&
+ (pi->sys_info.uma_channel_number == 1)));
+ force_high = (num_active_displays >= 3) || force_high;
+ ps->Dpm0PgNbPsLo = force_high ? 0x2 : 0x3;
+ ps->Dpm0PgNbPsHi = 0x1;
+ ps->DpmXNbPsLo = force_high ? 0x2 : 0x3;
+ ps->DpmXNbPsHi = 0x2;
+ ps->levels[ps->num_levels - 1].allow_gnb_slow = 0;
+ }
+ }
+}
+
+static void trinity_cleanup_asic(struct radeon_device *rdev)
+{
+ sumo_take_smu_control(rdev, false);
+}
+
+#if 0
+static void trinity_pre_display_configuration_change(struct radeon_device *rdev)
+{
+ struct trinity_power_info *pi = trinity_get_pi(rdev);
+
+ if (pi->voltage_drop_in_dce)
+ trinity_dce_enable_voltage_adjustment(rdev, false);
+}
+#endif
+
+static void trinity_add_dccac_value(struct radeon_device *rdev)
+{
+ u32 gpu_cac_avrg_cntl_window_size;
+ u32 num_active_displays = rdev->pm.dpm.new_active_crtc_count;
+ u64 disp_clk = rdev->clock.default_dispclk / 100;
+ u32 dc_cac_value;
+
+ gpu_cac_avrg_cntl_window_size =
+ (RREG32_SMC(GPU_CAC_AVRG_CNTL) & WINDOW_SIZE_MASK) >> WINDOW_SIZE_SHIFT;
+
+ dc_cac_value = (u32)((14213 * disp_clk * disp_clk * (u64)num_active_displays) >>
+ (32 - gpu_cac_avrg_cntl_window_size));
+
+ WREG32_SMC(DC_CAC_VALUE, dc_cac_value);
+}
+
+void trinity_dpm_display_configuration_changed(struct radeon_device *rdev)
+{
+ struct trinity_power_info *pi = trinity_get_pi(rdev);
+
+ if (pi->voltage_drop_in_dce)
+ trinity_dce_enable_voltage_adjustment(rdev, true);
+ trinity_add_dccac_value(rdev);
+}
+
+union power_info {
+ struct _ATOM_POWERPLAY_INFO info;
+ struct _ATOM_POWERPLAY_INFO_V2 info_2;
+ struct _ATOM_POWERPLAY_INFO_V3 info_3;
+ struct _ATOM_PPLIB_POWERPLAYTABLE pplib;
+ struct _ATOM_PPLIB_POWERPLAYTABLE2 pplib2;
+ struct _ATOM_PPLIB_POWERPLAYTABLE3 pplib3;
+};
+
+union pplib_clock_info {
+ struct _ATOM_PPLIB_R600_CLOCK_INFO r600;
+ struct _ATOM_PPLIB_RS780_CLOCK_INFO rs780;
+ struct _ATOM_PPLIB_EVERGREEN_CLOCK_INFO evergreen;
+ struct _ATOM_PPLIB_SUMO_CLOCK_INFO sumo;
+};
+
+union pplib_power_state {
+ struct _ATOM_PPLIB_STATE v1;
+ struct _ATOM_PPLIB_STATE_V2 v2;
+};
+
+static void trinity_parse_pplib_non_clock_info(struct radeon_device *rdev,
+ struct radeon_ps *rps,
+ struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info,
+ u8 table_rev)
+{
+ struct trinity_ps *ps = trinity_get_ps(rps);
+
+ rps->caps = le32_to_cpu(non_clock_info->ulCapsAndSettings);
+ rps->class = le16_to_cpu(non_clock_info->usClassification);
+ rps->class2 = le16_to_cpu(non_clock_info->usClassification2);
+
+ if (ATOM_PPLIB_NONCLOCKINFO_VER1 < table_rev) {
+ rps->vclk = le32_to_cpu(non_clock_info->ulVCLK);
+ rps->dclk = le32_to_cpu(non_clock_info->ulDCLK);
+ } else {
+ rps->vclk = 0;
+ rps->dclk = 0;
+ }
+
+ if (rps->class & ATOM_PPLIB_CLASSIFICATION_BOOT) {
+ rdev->pm.dpm.boot_ps = rps;
+ trinity_patch_boot_state(rdev, ps);
+ }
+ if (rps->class & ATOM_PPLIB_CLASSIFICATION_UVDSTATE)
+ rdev->pm.dpm.uvd_ps = rps;
+}
+
+static void trinity_parse_pplib_clock_info(struct radeon_device *rdev,
+ struct radeon_ps *rps, int index,
+ union pplib_clock_info *clock_info)
+{
+ struct trinity_power_info *pi = trinity_get_pi(rdev);
+ struct trinity_ps *ps = trinity_get_ps(rps);
+ struct trinity_pl *pl = &ps->levels[index];
+ u32 sclk;
+
+ sclk = le16_to_cpu(clock_info->sumo.usEngineClockLow);
+ sclk |= clock_info->sumo.ucEngineClockHigh << 16;
+ pl->sclk = sclk;
+ pl->vddc_index = clock_info->sumo.vddcIndex;
+
+ ps->num_levels = index + 1;
+
+ if (pi->enable_sclk_ds) {
+ pl->ds_divider_index = 5;
+ pl->ss_divider_index = 5;
+ }
+}
+
+static int trinity_parse_power_table(struct radeon_device *rdev)
+{
+ struct radeon_mode_info *mode_info = &rdev->mode_info;
+ struct _ATOM_PPLIB_NONCLOCK_INFO *non_clock_info;
+ union pplib_power_state *power_state;
+ int i, j, k, non_clock_array_index, clock_array_index;
+ union pplib_clock_info *clock_info;
+ struct _StateArray *state_array;
+ struct _ClockInfoArray *clock_info_array;
+ struct _NonClockInfoArray *non_clock_info_array;
+ union power_info *power_info;
+ int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
+ u16 data_offset;
+ u8 frev, crev;
+ u8 *power_state_offset;
+ struct sumo_ps *ps;
+
+ if (!atom_parse_data_header(mode_info->atom_context, index, NULL,
+ &frev, &crev, &data_offset))
+ return -EINVAL;
+ power_info = (union power_info *)(mode_info->atom_context->bios + data_offset);
+
+ state_array = (struct _StateArray *)
+ (mode_info->atom_context->bios + data_offset +
+ le16_to_cpu(power_info->pplib.usStateArrayOffset));
+ clock_info_array = (struct _ClockInfoArray *)
+ (mode_info->atom_context->bios + data_offset +
+ le16_to_cpu(power_info->pplib.usClockInfoArrayOffset));
+ non_clock_info_array = (struct _NonClockInfoArray *)
+ (mode_info->atom_context->bios + data_offset +
+ le16_to_cpu(power_info->pplib.usNonClockInfoArrayOffset));
+
+ rdev->pm.dpm.ps = kzalloc(sizeof(struct radeon_ps) *
+ state_array->ucNumEntries, GFP_KERNEL);
+ if (!rdev->pm.dpm.ps)
+ return -ENOMEM;
+ power_state_offset = (u8 *)state_array->states;
+ rdev->pm.dpm.platform_caps = le32_to_cpu(power_info->pplib.ulPlatformCaps);
+ rdev->pm.dpm.backbias_response_time = le16_to_cpu(power_info->pplib.usBackbiasTime);
+ rdev->pm.dpm.voltage_response_time = le16_to_cpu(power_info->pplib.usVoltageTime);
+ for (i = 0; i < state_array->ucNumEntries; i++) {
+ power_state = (union pplib_power_state *)power_state_offset;
+ non_clock_array_index = power_state->v2.nonClockInfoIndex;
+ non_clock_info = (struct _ATOM_PPLIB_NONCLOCK_INFO *)
+ &non_clock_info_array->nonClockInfo[non_clock_array_index];
+ if (!rdev->pm.power_state[i].clock_info)
+ return -EINVAL;
+ ps = kzalloc(sizeof(struct sumo_ps), GFP_KERNEL);
+ if (ps == NULL) {
+ kfree(rdev->pm.dpm.ps);
+ return -ENOMEM;
+ }
+ rdev->pm.dpm.ps[i].ps_priv = ps;
+ k = 0;
+ for (j = 0; j < power_state->v2.ucNumDPMLevels; j++) {
+ clock_array_index = power_state->v2.clockInfoIndex[j];
+ if (clock_array_index >= clock_info_array->ucNumEntries)
+ continue;
+ if (k >= SUMO_MAX_HARDWARE_POWERLEVELS)
+ break;
+ clock_info = (union pplib_clock_info *)
+ &clock_info_array->clockInfo[clock_array_index * clock_info_array->ucEntrySize];
+ trinity_parse_pplib_clock_info(rdev,
+ &rdev->pm.dpm.ps[i], k,
+ clock_info);
+ k++;
+ }
+ trinity_parse_pplib_non_clock_info(rdev, &rdev->pm.dpm.ps[i],
+ non_clock_info,
+ non_clock_info_array->ucEntrySize);
+ power_state_offset += 2 + power_state->v2.ucNumDPMLevels;
+ }
+ rdev->pm.dpm.num_ps = state_array->ucNumEntries;
+ return 0;
+}
+
+union igp_info {
+ struct _ATOM_INTEGRATED_SYSTEM_INFO info;
+ struct _ATOM_INTEGRATED_SYSTEM_INFO_V2 info_2;
+ struct _ATOM_INTEGRATED_SYSTEM_INFO_V5 info_5;
+ struct _ATOM_INTEGRATED_SYSTEM_INFO_V6 info_6;
+ struct _ATOM_INTEGRATED_SYSTEM_INFO_V1_7 info_7;
+};
+
+static int trinity_parse_sys_info_table(struct radeon_device *rdev)
+{
+ struct trinity_power_info *pi = trinity_get_pi(rdev);
+ struct radeon_mode_info *mode_info = &rdev->mode_info;
+ int index = GetIndexIntoMasterTable(DATA, IntegratedSystemInfo);
+ union igp_info *igp_info;
+ u8 frev, crev;
+ u16 data_offset;
+ int i;
+
+ if (atom_parse_data_header(mode_info->atom_context, index, NULL,
+ &frev, &crev, &data_offset)) {
+ igp_info = (union igp_info *)(mode_info->atom_context->bios +
+ data_offset);
+
+ if (crev != 7) {
+ DRM_ERROR("Unsupported IGP table: %d %d\n", frev, crev);
+ return -EINVAL;
+ }
+ pi->sys_info.bootup_sclk = le32_to_cpu(igp_info->info_7.ulBootUpEngineClock);
+ pi->sys_info.min_sclk = le32_to_cpu(igp_info->info_7.ulMinEngineClock);
+ pi->sys_info.bootup_uma_clk = le32_to_cpu(igp_info->info_7.ulBootUpUMAClock);
+ pi->sys_info.bootup_nb_voltage_index =
+ le16_to_cpu(igp_info->info_7.usBootUpNBVoltage);
+ if (igp_info->info_7.ucHtcTmpLmt == 0)
+ pi->sys_info.htc_tmp_lmt = 203;
+ else
+ pi->sys_info.htc_tmp_lmt = igp_info->info_7.ucHtcTmpLmt;
+ if (igp_info->info_7.ucHtcHystLmt == 0)
+ pi->sys_info.htc_hyst_lmt = 5;
+ else
+ pi->sys_info.htc_hyst_lmt = igp_info->info_7.ucHtcHystLmt;
+ if (pi->sys_info.htc_tmp_lmt <= pi->sys_info.htc_hyst_lmt) {
+ DRM_ERROR("The htcTmpLmt should be larger than htcHystLmt.\n");
+ }
+
+ if (pi->enable_nbps_policy)
+ pi->sys_info.nb_dpm_enable = igp_info->info_7.ucNBDPMEnable;
+ else
+ pi->sys_info.nb_dpm_enable = 0;
+
+ for (i = 0; i < TRINITY_NUM_NBPSTATES; i++) {
+ pi->sys_info.nbp_mclk[i] = le32_to_cpu(igp_info->info_7.ulNbpStateMemclkFreq[i]);
+ pi->sys_info.nbp_nclk[i] = le32_to_cpu(igp_info->info_7.ulNbpStateNClkFreq[i]);
+ }
+
+ pi->sys_info.nbp_voltage_index[0] = le16_to_cpu(igp_info->info_7.usNBP0Voltage);
+ pi->sys_info.nbp_voltage_index[1] = le16_to_cpu(igp_info->info_7.usNBP1Voltage);
+ pi->sys_info.nbp_voltage_index[2] = le16_to_cpu(igp_info->info_7.usNBP2Voltage);
+ pi->sys_info.nbp_voltage_index[3] = le16_to_cpu(igp_info->info_7.usNBP3Voltage);
+
+ if (!pi->sys_info.nb_dpm_enable) {
+ for (i = 1; i < TRINITY_NUM_NBPSTATES; i++) {
+ pi->sys_info.nbp_mclk[i] = pi->sys_info.nbp_mclk[0];
+ pi->sys_info.nbp_nclk[i] = pi->sys_info.nbp_nclk[0];
+ pi->sys_info.nbp_voltage_index[i] = pi->sys_info.nbp_voltage_index[0];
+ }
+ }
+
+ pi->sys_info.uma_channel_number = igp_info->info_7.ucUMAChannelNumber;
+
+ sumo_construct_sclk_voltage_mapping_table(rdev,
+ &pi->sys_info.sclk_voltage_mapping_table,
+ igp_info->info_7.sAvail_SCLK);
+ sumo_construct_vid_mapping_table(rdev, &pi->sys_info.vid_mapping_table,
+ igp_info->info_7.sAvail_SCLK);
+
+ }
+ return 0;
+}
+
+int trinity_dpm_init(struct radeon_device *rdev)
+{
+ struct trinity_power_info *pi;
+ int ret, i;
+
+ pi = kzalloc(sizeof(struct trinity_power_info), GFP_KERNEL);
+ if (pi == NULL)
+ return -ENOMEM;
+ rdev->pm.dpm.priv = pi;
+
+ for (i = 0; i < SUMO_MAX_HARDWARE_POWERLEVELS; i++)
+ pi->at[i] = TRINITY_AT_DFLT;
+
+ pi->enable_nbps_policy = true;
+ pi->enable_sclk_ds = true;
+ pi->enable_gfx_power_gating = true;
+ pi->enable_gfx_clock_gating = true;
+ pi->enable_mg_clock_gating = true;
+ pi->enable_gfx_dynamic_mgpg = true; /* ??? */
+ pi->override_dynamic_mgpg = true;
+ pi->enable_auto_thermal_throttling = true;
+ pi->voltage_drop_in_dce = false; /* need to restructure dpm/modeset interaction */
+
+ ret = trinity_parse_sys_info_table(rdev);
+ if (ret)
+ return ret;
+
+ trinity_construct_boot_state(rdev);
+
+ ret = trinity_parse_power_table(rdev);
+ if (ret)
+ return ret;
+
+ pi->thermal_auto_throttling = pi->sys_info.htc_tmp_lmt;
+ pi->enable_dpm = true;
+
+ return 0;
+}
+
+void trinity_dpm_print_power_state(struct radeon_device *rdev,
+ struct radeon_ps *rps)
+{
+ int i;
+ struct trinity_ps *ps = trinity_get_ps(rps);
+
+ r600_dpm_print_class_info(rps->class, rps->class2);
+ r600_dpm_print_cap_info(rps->caps);
+ printk("\tuvd vclk: %d dclk: %d\n", rps->vclk, rps->dclk);
+ for (i = 0; i < ps->num_levels; i++) {
+ struct trinity_pl *pl = &ps->levels[i];
+ printk("\t\tpower level %d sclk: %u vddc: %u\n",
+ i, pl->sclk,
+ trinity_convert_voltage_index_to_value(rdev, pl->vddc_index));
+ }
+ r600_dpm_print_ps_status(rdev, rps);
+}
+
+void trinity_dpm_fini(struct radeon_device *rdev)
+{
+ int i;
+
+ trinity_cleanup_asic(rdev); /* ??? */
+
+ for (i = 0; i < rdev->pm.dpm.num_ps; i++) {
+ kfree(rdev->pm.dpm.ps[i].ps_priv);
+ }
+ kfree(rdev->pm.dpm.ps);
+ kfree(rdev->pm.dpm.priv);
+}
+
+u32 trinity_dpm_get_sclk(struct radeon_device *rdev, bool low)
+{
+ struct trinity_ps *requested_state = trinity_get_ps(rdev->pm.dpm.requested_ps);
+
+ if (low)
+ return requested_state->levels[0].sclk;
+ else
+ return requested_state->levels[requested_state->num_levels - 1].sclk;
+}
+
+u32 trinity_dpm_get_mclk(struct radeon_device *rdev, bool low)
+{
+ struct trinity_power_info *pi = trinity_get_pi(rdev);
+
+ return pi->sys_info.bootup_uma_clk;
+}
projects / platform / kernel / linux-arm64.git / commitdiff