Commit 45d76eeb authored by Likun Gao's avatar Likun Gao Committed by Alex Deucher
Browse files

drm/amdgpu: add support for athub v2.1 



Add athub v2.1 function and support to compile it.

Signed-off-by: default avatarLikun Gao <Likun.Gao@amd.com>
Reviewed-by: default avatarHawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 9822ac8f

drivers/gpu/drm/amd/amdgpu/Makefile

+2 −1
Original line number Diff line number Diff line
@@ -163,7 +163,8 @@ amdgpu-y += \ 
# add ATHUB block

amdgpu-y += \

	athub_v1_0.o \

	athub_v2_0.o

	athub_v2_0.o \

	athub_v2_1.o



# add amdkfd interfaces

amdgpu-y += amdgpu_amdkfd.o

drivers/gpu/drm/amd/amdgpu/athub_v2_1.c

0 → 100644
+100 −0
Original line number Diff line number Diff line 
/*

 * Copyright 2019 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 "athub_v2_1.h"



#include "athub/athub_2_1_0_offset.h"

#include "athub/athub_2_1_0_sh_mask.h"

#include "navi10_enum.h"



#include "soc15_common.h"



static void

athub_v2_1_update_medium_grain_clock_gating(struct amdgpu_device *adev,

					    bool enable)

{

	uint32_t def, data;



	def = data = RREG32_SOC15(ATHUB, 0, mmATHUB_MISC_CNTL);



	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG))

		data |= ATHUB_MISC_CNTL__CG_ENABLE_MASK;

	else

		data &= ~ATHUB_MISC_CNTL__CG_ENABLE_MASK;



	if (def != data)

		WREG32_SOC15(ATHUB, 0, mmATHUB_MISC_CNTL, data);

}



static void

athub_v2_1_update_medium_grain_light_sleep(struct amdgpu_device *adev,

					   bool enable)

{

	uint32_t def, data;



	def = data = RREG32_SOC15(ATHUB, 0, mmATHUB_MISC_CNTL);



	if (enable && (adev->cg_flags & AMD_CG_SUPPORT_MC_LS) &&

	    (adev->cg_flags & AMD_CG_SUPPORT_HDP_LS))

		data |= ATHUB_MISC_CNTL__CG_MEM_LS_ENABLE_MASK;

	else

		data &= ~ATHUB_MISC_CNTL__CG_MEM_LS_ENABLE_MASK;



	if(def != data)

		WREG32_SOC15(ATHUB, 0, mmATHUB_MISC_CNTL, data);

}



int athub_v2_1_set_clockgating(struct amdgpu_device *adev,

			       enum amd_clockgating_state state)

{

	if (amdgpu_sriov_vf(adev))

		return 0;



	switch (adev->asic_type) {

	case CHIP_SIENNA_CICHLID:

		athub_v2_1_update_medium_grain_clock_gating(adev,

				state == AMD_CG_STATE_GATE ? true : false);

		athub_v2_1_update_medium_grain_light_sleep(adev,

				state == AMD_CG_STATE_GATE ? true : false);

		break;

	default:

		break;

	}



	return 0;

}



void athub_v2_1_get_clockgating(struct amdgpu_device *adev, u32 *flags)

{

	int data;



	/* AMD_CG_SUPPORT_ATHUB_MGCG */

	data = RREG32_SOC15(ATHUB, 0, mmATHUB_MISC_CNTL);

	if (data & ATHUB_MISC_CNTL__CG_ENABLE_MASK)

		*flags |= AMD_CG_SUPPORT_ATHUB_MGCG;



	/* AMD_CG_SUPPORT_ATHUB_LS */

	if (data & ATHUB_MISC_CNTL__CG_MEM_LS_ENABLE_MASK)

		*flags |= AMD_CG_SUPPORT_ATHUB_LS;

}

drivers/gpu/drm/amd/amdgpu/athub_v2_1.h

0 → 100644
+30 −0
Original line number Diff line number Diff line 
/*

 * Copyright 2019 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 __ATHUB_V2_1_H__

#define __ATHUB_V2_1_H__



int athub_v2_1_set_clockgating(struct amdgpu_device *adev,

			       enum amd_clockgating_state state);

void athub_v2_1_get_clockgating(struct amdgpu_device *adev, u32 *flags);



#endif