2018-04-04 06:30:28 +00:00
|
|
|
/*
|
|
|
|
* Copyright 2018 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 "amdgpu.h"
|
|
|
|
#include "df_v3_6.h"
|
|
|
|
|
|
|
|
#include "df/df_3_6_default.h"
|
|
|
|
#include "df/df_3_6_offset.h"
|
|
|
|
#include "df/df_3_6_sh_mask.h"
|
|
|
|
|
|
|
|
static u32 df_v3_6_channel_number[] = {1, 2, 0, 4, 0, 8, 0,
|
|
|
|
16, 32, 0, 0, 0, 2, 4, 8};
|
|
|
|
|
|
|
|
static void df_v3_6_init(struct amdgpu_device *adev)
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
static void df_v3_6_enable_broadcast_mode(struct amdgpu_device *adev,
|
|
|
|
bool enable)
|
|
|
|
{
|
|
|
|
u32 tmp;
|
|
|
|
|
|
|
|
if (enable) {
|
|
|
|
tmp = RREG32_SOC15(DF, 0, mmFabricConfigAccessControl);
|
|
|
|
tmp &= ~FabricConfigAccessControl__CfgRegInstAccEn_MASK;
|
|
|
|
WREG32_SOC15(DF, 0, mmFabricConfigAccessControl, tmp);
|
|
|
|
} else
|
|
|
|
WREG32_SOC15(DF, 0, mmFabricConfigAccessControl,
|
|
|
|
mmFabricConfigAccessControl_DEFAULT);
|
|
|
|
}
|
|
|
|
|
|
|
|
static u32 df_v3_6_get_fb_channel_number(struct amdgpu_device *adev)
|
|
|
|
{
|
|
|
|
u32 tmp;
|
|
|
|
|
|
|
|
tmp = RREG32_SOC15(DF, 0, mmDF_CS_UMC_AON0_DramBaseAddress0);
|
|
|
|
tmp &= DF_CS_UMC_AON0_DramBaseAddress0__IntLvNumChan_MASK;
|
|
|
|
tmp >>= DF_CS_UMC_AON0_DramBaseAddress0__IntLvNumChan__SHIFT;
|
|
|
|
|
|
|
|
return tmp;
|
|
|
|
}
|
|
|
|
|
|
|
|
static u32 df_v3_6_get_hbm_channel_number(struct amdgpu_device *adev)
|
|
|
|
{
|
|
|
|
int fb_channel_number;
|
|
|
|
|
|
|
|
fb_channel_number = adev->df_funcs->get_fb_channel_number(adev);
|
2018-05-30 16:41:44 +00:00
|
|
|
if (fb_channel_number >= ARRAY_SIZE(df_v3_6_channel_number))
|
2018-04-04 06:30:28 +00:00
|
|
|
fb_channel_number = 0;
|
|
|
|
|
|
|
|
return df_v3_6_channel_number[fb_channel_number];
|
|
|
|
}
|
|
|
|
|
|
|
|
static void df_v3_6_update_medium_grain_clock_gating(struct amdgpu_device *adev,
|
|
|
|
bool enable)
|
|
|
|
{
|
|
|
|
u32 tmp;
|
|
|
|
|
|
|
|
/* Put DF on broadcast mode */
|
|
|
|
adev->df_funcs->enable_broadcast_mode(adev, true);
|
|
|
|
|
|
|
|
if (enable && (adev->cg_flags & AMD_CG_SUPPORT_DF_MGCG)) {
|
|
|
|
tmp = RREG32_SOC15(DF, 0, mmDF_PIE_AON0_DfGlobalClkGater);
|
|
|
|
tmp &= ~DF_PIE_AON0_DfGlobalClkGater__MGCGMode_MASK;
|
|
|
|
tmp |= DF_V3_6_MGCG_ENABLE_15_CYCLE_DELAY;
|
|
|
|
WREG32_SOC15(DF, 0, mmDF_PIE_AON0_DfGlobalClkGater, tmp);
|
|
|
|
} else {
|
|
|
|
tmp = RREG32_SOC15(DF, 0, mmDF_PIE_AON0_DfGlobalClkGater);
|
|
|
|
tmp &= ~DF_PIE_AON0_DfGlobalClkGater__MGCGMode_MASK;
|
|
|
|
tmp |= DF_V3_6_MGCG_DISABLE;
|
|
|
|
WREG32_SOC15(DF, 0, mmDF_PIE_AON0_DfGlobalClkGater, tmp);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Exit broadcast mode */
|
|
|
|
adev->df_funcs->enable_broadcast_mode(adev, false);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void df_v3_6_get_clockgating_state(struct amdgpu_device *adev,
|
|
|
|
u32 *flags)
|
|
|
|
{
|
|
|
|
u32 tmp;
|
|
|
|
|
|
|
|
/* AMD_CG_SUPPORT_DF_MGCG */
|
|
|
|
tmp = RREG32_SOC15(DF, 0, mmDF_PIE_AON0_DfGlobalClkGater);
|
|
|
|
if (tmp & DF_V3_6_MGCG_ENABLE_15_CYCLE_DELAY)
|
|
|
|
*flags |= AMD_CG_SUPPORT_DF_MGCG;
|
|
|
|
}
|
|
|
|
|
|
|
|
const struct amdgpu_df_funcs df_v3_6_funcs = {
|
|
|
|
.init = df_v3_6_init,
|
|
|
|
.enable_broadcast_mode = df_v3_6_enable_broadcast_mode,
|
|
|
|
.get_fb_channel_number = df_v3_6_get_fb_channel_number,
|
|
|
|
.get_hbm_channel_number = df_v3_6_get_hbm_channel_number,
|
|
|
|
.update_medium_grain_clock_gating =
|
|
|
|
df_v3_6_update_medium_grain_clock_gating,
|
|
|
|
.get_clockgating_state = df_v3_6_get_clockgating_state,
|
|
|
|
};
|