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authorAlex Deucher <alexander.deucher@amd.com>2013-04-13 00:40:41 +0400
committerAlex Deucher <alexander.deucher@amd.com>2013-06-28 03:15:45 +0400
commitd70229f704474b2932e03367a528773e336f6205 (patch)
tree8e56480f4073505457f212706f7f3f81b89583bc /drivers/gpu/drm/radeon/trinity_dpm.h
parent80ea2c129c76a4159a93efeaef4385b6c964dfac (diff)
downloadlinux-d70229f704474b2932e03367a528773e336f6205.tar.xz
drm/radeon/kms: add dpm support for trinity asics
This adds dpm support for trinity asics. This includes: - clockgating - powergating - dynamic engine clock scaling - dynamic voltage scaling set radeon.dpm=1 to enable it. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/trinity_dpm.h')
-rw-r--r--drivers/gpu/drm/radeon/trinity_dpm.h110
1 files changed, 110 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/trinity_dpm.h b/drivers/gpu/drm/radeon/trinity_dpm.h
new file mode 100644
index 000000000000..15e050fd5446
--- /dev/null
+++ b/drivers/gpu/drm/radeon/trinity_dpm.h
@@ -0,0 +1,110 @@
+/*
+ * 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.
+ *
+ */
+#ifndef __TRINITY_DPM_H__
+#define __TRINITY_DPM_H__
+
+#include "sumo_dpm.h"
+
+#define TRINITY_SIZEOF_DPM_STATE_TABLE (SMU_SCLK_DPM_STATE_1_CNTL_0 - SMU_SCLK_DPM_STATE_0_CNTL_0)
+
+struct trinity_pl {
+ u32 sclk;
+ u8 vddc_index;
+ u8 ds_divider_index;
+ u8 ss_divider_index;
+ u8 allow_gnb_slow;
+ u8 force_nbp_state;
+ u8 display_wm;
+ u8 vce_wm;
+};
+
+#define TRINITY_POWERSTATE_FLAGS_NBPS_FORCEHIGH (1 << 0)
+#define TRINITY_POWERSTATE_FLAGS_NBPS_LOCKTOHIGH (1 << 1)
+#define TRINITY_POWERSTATE_FLAGS_NBPS_LOCKTOLOW (1 << 2)
+
+#define TRINITY_POWERSTATE_FLAGS_BAPM_DISABLE (1 << 0)
+
+struct trinity_ps {
+ u32 num_levels;
+ struct trinity_pl levels[SUMO_MAX_HARDWARE_POWERLEVELS];
+
+ u32 nbps_flags;
+ u32 bapm_flags;
+
+ u8 Dpm0PgNbPsLo;
+ u8 Dpm0PgNbPsHi;
+ u8 DpmXNbPsLo;
+ u8 DpmXNbPsHi;
+};
+
+#define TRINITY_NUM_NBPSTATES 4
+
+struct trinity_sys_info {
+ u32 bootup_uma_clk;
+ u32 bootup_sclk;
+ u32 min_sclk;
+ u32 nb_dpm_enable;
+ u32 nbp_mclk[TRINITY_NUM_NBPSTATES];
+ u32 nbp_nclk[TRINITY_NUM_NBPSTATES];
+ u16 nbp_voltage_index[TRINITY_NUM_NBPSTATES];
+ u16 bootup_nb_voltage_index;
+ u8 htc_tmp_lmt;
+ u8 htc_hyst_lmt;
+ struct sumo_sclk_voltage_mapping_table sclk_voltage_mapping_table;
+ struct sumo_vid_mapping_table vid_mapping_table;
+ u32 uma_channel_number;
+};
+
+struct trinity_power_info {
+ u32 at[SUMO_MAX_HARDWARE_POWERLEVELS];
+ u32 dpm_interval;
+ u32 thermal_auto_throttling;
+ struct trinity_sys_info sys_info;
+ struct trinity_pl boot_pl;
+ struct trinity_ps current_ps;
+ u32 min_sclk_did;
+ bool enable_nbps_policy;
+ bool voltage_drop_in_dce;
+ bool override_dynamic_mgpg;
+ bool enable_gfx_clock_gating;
+ bool enable_gfx_power_gating;
+ bool enable_mg_clock_gating;
+ bool enable_gfx_dynamic_mgpg;
+ bool enable_auto_thermal_throttling;
+ bool enable_dpm;
+ bool enable_sclk_ds;
+};
+
+#define TRINITY_AT_DFLT 30
+
+/* trinity_smc.c */
+int trinity_dpm_config(struct radeon_device *rdev, bool enable);
+int trinity_dpm_force_state(struct radeon_device *rdev, u32 n);
+int trinity_dpm_no_forced_level(struct radeon_device *rdev);
+int trinity_dce_enable_voltage_adjustment(struct radeon_device *rdev,
+ bool enable);
+int trinity_gfx_dynamic_mgpg_config(struct radeon_device *rdev);
+void trinity_acquire_mutex(struct radeon_device *rdev);
+void trinity_release_mutex(struct radeon_device *rdev);
+
+#endif