Commit 0cdd5a0d authored by Likun Gao's avatar Likun Gao Committed by Alex Deucher
Browse files

drm/amdgpu: add support for lsdma v7_1 



Add support for LSDMA v7_1_0.

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 6d215051

drivers/gpu/drm/amd/amdgpu/Makefile

+1 −1
Original line number Diff line number Diff line
@@ -86,7 +86,7 @@ amdgpu-y += \ 
	nbio_v7_2.o hdp_v4_0.o hdp_v5_0.o aldebaran_reg_init.o aldebaran.o soc21.o soc24.o \

	sienna_cichlid.o smu_v13_0_10.o nbio_v4_3.o hdp_v6_0.o nbio_v7_7.o hdp_v5_2.o lsdma_v6_0.o \

	nbio_v7_9.o aqua_vanjaram.o nbio_v7_11.o lsdma_v7_0.o hdp_v7_0.o nbif_v6_3_1.o \

	cyan_skillfish_reg_init.o soc_v1_0.o

	cyan_skillfish_reg_init.o soc_v1_0.o lsdma_v7_1.o



# add DF block

amdgpu-y += \

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

+4 −0
Original line number Diff line number Diff line
@@ -87,6 +87,7 @@ 
#include "sdma_v7_1.h"

#include "lsdma_v6_0.h"

#include "lsdma_v7_0.h"

#include "lsdma_v7_1.h"

#include "vcn_v2_0.h"

#include "jpeg_v2_0.h"

#include "vcn_v3_0.h"
@@ -3308,6 +3309,9 @@ int amdgpu_discovery_set_ip_blocks(struct amdgpu_device *adev) 
	case IP_VERSION(7, 0, 1):

		adev->lsdma.funcs = &lsdma_v7_0_funcs;

		break;

	case IP_VERSION(7, 1, 0):

		adev->lsdma.funcs = &lsdma_v7_1_funcs;

		break;

	default:

		break;

	}

drivers/gpu/drm/amd/amdgpu/lsdma_v7_1.c

0 → 100644
+99 −0
Original line number Diff line number Diff line 
/*

 * Copyright 2026 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 <linux/delay.h>

#include "amdgpu.h"

#include "lsdma_v7_1.h"

#include "amdgpu_lsdma.h"



#include "lsdma/lsdma_7_1_0_offset.h"

#include "lsdma/lsdma_7_1_0_sh_mask.h"



static int lsdma_v7_1_wait_pio_status(struct amdgpu_device *adev)

{

	return amdgpu_lsdma_wait_for(adev, SOC15_REG_OFFSET(LSDMA, 0, regLSDMA_PIO_STATUS),

			LSDMA_PIO_STATUS__PIO_IDLE_MASK | LSDMA_PIO_STATUS__PIO_FIFO_EMPTY_MASK,

			LSDMA_PIO_STATUS__PIO_IDLE_MASK | LSDMA_PIO_STATUS__PIO_FIFO_EMPTY_MASK);

}



static int lsdma_v7_1_copy_mem(struct amdgpu_device *adev,

			       uint64_t src_addr,

			       uint64_t dst_addr,

			       uint64_t size)

{

	int ret;

	uint32_t tmp;



	WREG32_SOC15(LSDMA, 0, regLSDMA_PIO_SRC_ADDR_LO, lower_32_bits(src_addr));

	WREG32_SOC15(LSDMA, 0, regLSDMA_PIO_SRC_ADDR_HI, upper_32_bits(src_addr));



	WREG32_SOC15(LSDMA, 0, regLSDMA_PIO_DST_ADDR_LO, lower_32_bits(dst_addr));

	WREG32_SOC15(LSDMA, 0, regLSDMA_PIO_DST_ADDR_HI, upper_32_bits(dst_addr));



	WREG32_SOC15(LSDMA, 0, regLSDMA_PIO_CONTROL, 0x0);



	tmp = RREG32_SOC15(LSDMA, 0, regLSDMA_PIO_COMMAND);

	tmp = REG_SET_FIELD(tmp, LSDMA_PIO_COMMAND, COUNT, size);

	tmp = REG_SET_FIELD(tmp, LSDMA_PIO_COMMAND, RAW_WAIT, 0);

	tmp = REG_SET_FIELD(tmp, LSDMA_PIO_COMMAND, CONSTANT_FILL, 0);

	WREG32_SOC15(LSDMA, 0, regLSDMA_PIO_COMMAND, tmp);



	ret = lsdma_v7_1_wait_pio_status(adev);

	if (ret)

		dev_err(adev->dev, "LSDMA PIO failed to copy memory!\n");



	return ret;

}



static int lsdma_v7_1_fill_mem(struct amdgpu_device *adev,

			       uint64_t dst_addr,

			       uint32_t data,

			       uint64_t size)

{

	int ret;

	uint32_t tmp;



	WREG32_SOC15(LSDMA, 0, regLSDMA_PIO_CONSTFILL_DATA, data);



	WREG32_SOC15(LSDMA, 0, regLSDMA_PIO_DST_ADDR_LO, lower_32_bits(dst_addr));

	WREG32_SOC15(LSDMA, 0, regLSDMA_PIO_DST_ADDR_HI, upper_32_bits(dst_addr));



	WREG32_SOC15(LSDMA, 0, regLSDMA_PIO_CONTROL, 0x0);



	tmp = RREG32_SOC15(LSDMA, 0, regLSDMA_PIO_COMMAND);

	tmp = REG_SET_FIELD(tmp, LSDMA_PIO_COMMAND, COUNT, size);

	tmp = REG_SET_FIELD(tmp, LSDMA_PIO_COMMAND, RAW_WAIT, 0);

	tmp = REG_SET_FIELD(tmp, LSDMA_PIO_COMMAND, CONSTANT_FILL, 1);

	WREG32_SOC15(LSDMA, 0, regLSDMA_PIO_COMMAND, tmp);



	ret = lsdma_v7_1_wait_pio_status(adev);

	if (ret)

		dev_err(adev->dev, "LSDMA PIO failed to fill memory!\n");



	return ret;

}



const struct amdgpu_lsdma_funcs lsdma_v7_1_funcs = {

	.copy_mem = lsdma_v7_1_copy_mem,

	.fill_mem = lsdma_v7_1_fill_mem,

};

drivers/gpu/drm/amd/amdgpu/lsdma_v7_1.h

0 → 100644
+31 −0
Original line number Diff line number Diff line 
/*

 * Copyright 2026 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 __LSDMA_V7_1_H__

#define __LSDMA_V7_1_H__



#include "soc15_common.h"



extern const struct amdgpu_lsdma_funcs lsdma_v7_1_funcs;



#endif /* __LSDMA_V7_1_H__ */