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linux/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
Greg Kroah-Hartman 450f30ea9c amdgpu: no need to check return value of debugfs_create functions 
When calling debugfs functions, there is no need to ever check the
return value.  The function can work or not, but the code logic should
never do something different based on this.

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: "Christian König" <christian.koenig@amd.com>
Cc: "David (ChunMing) Zhou" <David1.Zhou@amd.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: xinhui pan <xinhui.pan@amd.com>
Cc: Evan Quan <evan.quan@amd.com>
Cc: Feifei Xu <Feifei.Xu@amd.com>
Cc: amd-gfx@lists.freedesktop.org
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2019-06-13 13:59:49 -05:00

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/*
* Copyright 2016 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/firmware.h>
#include <drm/drmP.h>
#include "amdgpu.h"
#include "amdgpu_ucode.h"
#include "amdgpu_trace.h"
#include "sdma0/sdma0_4_2_offset.h"
#include "sdma0/sdma0_4_2_sh_mask.h"
#include "sdma1/sdma1_4_2_offset.h"
#include "sdma1/sdma1_4_2_sh_mask.h"
#include "hdp/hdp_4_0_offset.h"
#include "sdma0/sdma0_4_1_default.h"
#include "soc15_common.h"
#include "soc15.h"
#include "vega10_sdma_pkt_open.h"
#include "ivsrcid/sdma0/irqsrcs_sdma0_4_0.h"
#include "ivsrcid/sdma1/irqsrcs_sdma1_4_0.h"
#include "amdgpu_ras.h"
MODULE_FIRMWARE("amdgpu/vega10_sdma.bin");
MODULE_FIRMWARE("amdgpu/vega10_sdma1.bin");
MODULE_FIRMWARE("amdgpu/vega12_sdma.bin");
MODULE_FIRMWARE("amdgpu/vega12_sdma1.bin");
MODULE_FIRMWARE("amdgpu/vega20_sdma.bin");
MODULE_FIRMWARE("amdgpu/vega20_sdma1.bin");
MODULE_FIRMWARE("amdgpu/raven_sdma.bin");
MODULE_FIRMWARE("amdgpu/picasso_sdma.bin");
MODULE_FIRMWARE("amdgpu/raven2_sdma.bin");
#define SDMA0_POWER_CNTL__ON_OFF_CONDITION_HOLD_TIME_MASK 0x000000F8L
#define SDMA0_POWER_CNTL__ON_OFF_STATUS_DURATION_TIME_MASK 0xFC000000L
#define WREG32_SDMA(instance, offset, value) \
WREG32(sdma_v4_0_get_reg_offset(adev, (instance), (offset)), value)
#define RREG32_SDMA(instance, offset) \
RREG32(sdma_v4_0_get_reg_offset(adev, (instance), (offset)))
static void sdma_v4_0_set_ring_funcs(struct amdgpu_device *adev);
static void sdma_v4_0_set_buffer_funcs(struct amdgpu_device *adev);
static void sdma_v4_0_set_vm_pte_funcs(struct amdgpu_device *adev);
static void sdma_v4_0_set_irq_funcs(struct amdgpu_device *adev);
static const struct soc15_reg_golden golden_settings_sdma_4[] = {
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_CHICKEN_BITS, 0xfe931f07, 0x02831d07),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_CLK_CTRL, 0xff000ff0, 0x3f000100),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GFX_IB_CNTL, 0x800f0100, 0x00000100),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_PAGE_IB_CNTL, 0x800f0100, 0x00000100),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_PAGE_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_POWER_CNTL, 0x003ff006, 0x0003c000),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC0_IB_CNTL, 0x800f0100, 0x00000100),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC0_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC1_IB_CNTL, 0x800f0100, 0x00000100),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC1_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_UTCL1_PAGE, 0x000003ff, 0x000003c0),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_UTCL1_WATERMK, 0xfc000000, 0x00000000),
SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_CLK_CTRL, 0xffffffff, 0x3f000100),
SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GFX_IB_CNTL, 0x800f0100, 0x00000100),
SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GFX_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000),
SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_PAGE_IB_CNTL, 0x800f0100, 0x00000100),
SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_PAGE_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000),
SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_POWER_CNTL, 0x003ff000, 0x0003c000),
SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC0_IB_CNTL, 0x800f0100, 0x00000100),
SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC0_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000),
SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC1_IB_CNTL, 0x800f0100, 0x00000100),
SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC1_RB_WPTR_POLL_CNTL, 0x0000fff0, 0x00403000),
SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_UTCL1_PAGE, 0x000003ff, 0x000003c0),
SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_UTCL1_WATERMK, 0xfc000000, 0x00000000)
};
static const struct soc15_reg_golden golden_settings_sdma_vg10[] = {
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG, 0x0018773f, 0x00104002),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG_READ, 0x0018773f, 0x00104002),
SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_CHICKEN_BITS, 0xfe931f07, 0x02831d07),
SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GB_ADDR_CONFIG, 0x0018773f, 0x00104002),
SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GB_ADDR_CONFIG_READ, 0x0018773f, 0x00104002)
};
static const struct soc15_reg_golden golden_settings_sdma_vg12[] = {
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG, 0x0018773f, 0x00104001),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG_READ, 0x0018773f, 0x00104001),
SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_CHICKEN_BITS, 0xfe931f07, 0x02831d07),
SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GB_ADDR_CONFIG, 0x0018773f, 0x00104001),
SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GB_ADDR_CONFIG_READ, 0x0018773f, 0x00104001)
};
static const struct soc15_reg_golden golden_settings_sdma_4_1[] = {
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_CHICKEN_BITS, 0xfe931f07, 0x02831d07),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_CLK_CTRL, 0xffffffff, 0x3f000100),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GFX_IB_CNTL, 0x800f0111, 0x00000100),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_POWER_CNTL, 0xfc3fffff, 0x40000051),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC0_IB_CNTL, 0x800f0111, 0x00000100),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC1_IB_CNTL, 0x800f0111, 0x00000100),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_UTCL1_PAGE, 0x000003ff, 0x000003c0),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_UTCL1_WATERMK, 0xfc000000, 0x00000000)
};
static const struct soc15_reg_golden golden_settings_sdma0_4_2_init[] = {
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff0, 0x00403000),
};
static const struct soc15_reg_golden golden_settings_sdma0_4_2[] =
{
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_CHICKEN_BITS, 0xfe931f07, 0x02831f07),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_CLK_CTRL, 0xffffffff, 0x3f000100),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG, 0x0000773f, 0x00004002),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG_READ, 0x0000773f, 0x00004002),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GFX_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_PAGE_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_PAGE_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RD_BURST_CNTL, 0x0000000f, 0x00000003),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC0_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff0, 0x00403000),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC1_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC2_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC2_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC3_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC4_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC4_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC5_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC5_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC6_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC6_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC7_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_RLC7_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_UTCL1_PAGE, 0x000003ff, 0x000003c0),
};
static const struct soc15_reg_golden golden_settings_sdma1_4_2[] = {
SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_CHICKEN_BITS, 0xfe931f07, 0x02831f07),
SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_CLK_CTRL, 0xffffffff, 0x3f000100),
SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GB_ADDR_CONFIG, 0x0000773f, 0x00004002),
SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GB_ADDR_CONFIG_READ, 0x0000773f, 0x00004002),
SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GFX_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_GFX_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_PAGE_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_PAGE_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RD_BURST_CNTL, 0x0000000f, 0x00000003),
SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC0_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC0_RB_WPTR_POLL_CNTL, 0xfffffff0, 0x00403000),
SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC1_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC1_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC2_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC2_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC3_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC3_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC4_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC4_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC5_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC5_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC6_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC6_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC7_RB_RPTR_ADDR_LO, 0xfffffffd, 0x00000001),
SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_RLC7_RB_WPTR_POLL_CNTL, 0xfffffff7, 0x00403000),
SOC15_REG_GOLDEN_VALUE(SDMA1, 0, mmSDMA1_UTCL1_PAGE, 0x000003ff, 0x000003c0),
};
static const struct soc15_reg_golden golden_settings_sdma_rv1[] =
{
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG, 0x0018773f, 0x00000002),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG_READ, 0x0018773f, 0x00000002)
};
static const struct soc15_reg_golden golden_settings_sdma_rv2[] =
{
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG, 0x0018773f, 0x00003001),
SOC15_REG_GOLDEN_VALUE(SDMA0, 0, mmSDMA0_GB_ADDR_CONFIG_READ, 0x0018773f, 0x00003001)
};
static u32 sdma_v4_0_get_reg_offset(struct amdgpu_device *adev,
u32 instance, u32 offset)
{
return ( 0 == instance ? (adev->reg_offset[SDMA0_HWIP][0][0] + offset) :
(adev->reg_offset[SDMA1_HWIP][0][0] + offset));
}
static void sdma_v4_0_init_golden_registers(struct amdgpu_device *adev)
{
switch (adev->asic_type) {
case CHIP_VEGA10:
if (!amdgpu_virt_support_skip_setting(adev)) {
soc15_program_register_sequence(adev,
golden_settings_sdma_4,
ARRAY_SIZE(golden_settings_sdma_4));
soc15_program_register_sequence(adev,
golden_settings_sdma_vg10,
ARRAY_SIZE(golden_settings_sdma_vg10));
}
break;
case CHIP_VEGA12:
soc15_program_register_sequence(adev,
golden_settings_sdma_4,
ARRAY_SIZE(golden_settings_sdma_4));
soc15_program_register_sequence(adev,
golden_settings_sdma_vg12,
ARRAY_SIZE(golden_settings_sdma_vg12));
break;
case CHIP_VEGA20:
soc15_program_register_sequence(adev,
golden_settings_sdma0_4_2_init,
ARRAY_SIZE(golden_settings_sdma0_4_2_init));
soc15_program_register_sequence(adev,
golden_settings_sdma0_4_2,
ARRAY_SIZE(golden_settings_sdma0_4_2));
soc15_program_register_sequence(adev,
golden_settings_sdma1_4_2,
ARRAY_SIZE(golden_settings_sdma1_4_2));
break;
case CHIP_RAVEN:
soc15_program_register_sequence(adev,
golden_settings_sdma_4_1,
ARRAY_SIZE(golden_settings_sdma_4_1));
if (adev->rev_id >= 8)
soc15_program_register_sequence(adev,
golden_settings_sdma_rv2,
ARRAY_SIZE(golden_settings_sdma_rv2));
else
soc15_program_register_sequence(adev,
golden_settings_sdma_rv1,
ARRAY_SIZE(golden_settings_sdma_rv1));
break;
default:
break;
}
}
/**
* sdma_v4_0_init_microcode - load ucode images from disk
*
* @adev: amdgpu_device pointer
*
* Use the firmware interface to load the ucode images into
* the driver (not loaded into hw).
* Returns 0 on success, error on failure.
*/
// emulation only, won't work on real chip
// vega10 real chip need to use PSP to load firmware
static int sdma_v4_0_init_microcode(struct amdgpu_device *adev)
{
const char *chip_name;
char fw_name[30];
int err = 0, i;
struct amdgpu_firmware_info *info = NULL;
const struct common_firmware_header *header = NULL;
const struct sdma_firmware_header_v1_0 *hdr;
DRM_DEBUG("\n");
switch (adev->asic_type) {
case CHIP_VEGA10:
chip_name = "vega10";
break;
case CHIP_VEGA12:
chip_name = "vega12";
break;
case CHIP_VEGA20:
chip_name = "vega20";
break;
case CHIP_RAVEN:
if (adev->rev_id >= 8)
chip_name = "raven2";
else if (adev->pdev->device == 0x15d8)
chip_name = "picasso";
else
chip_name = "raven";
break;
default:
BUG();
}
for (i = 0; i < adev->sdma.num_instances; i++) {
if (i == 0)
snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_sdma.bin", chip_name);
else
snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_sdma1.bin", chip_name);
err = request_firmware(&adev->sdma.instance[i].fw, fw_name, adev->dev);
if (err)
goto out;
err = amdgpu_ucode_validate(adev->sdma.instance[i].fw);
if (err)
goto out;
hdr = (const struct sdma_firmware_header_v1_0 *)adev->sdma.instance[i].fw->data;
adev->sdma.instance[i].fw_version = le32_to_cpu(hdr->header.ucode_version);
adev->sdma.instance[i].feature_version = le32_to_cpu(hdr->ucode_feature_version);
if (adev->sdma.instance[i].feature_version >= 20)
adev->sdma.instance[i].burst_nop = true;
DRM_DEBUG("psp_load == '%s'\n",
adev->firmware.load_type == AMDGPU_FW_LOAD_PSP ? "true" : "false");
if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) {
info = &adev->firmware.ucode[AMDGPU_UCODE_ID_SDMA0 + i];
info->ucode_id = AMDGPU_UCODE_ID_SDMA0 + i;
info->fw = adev->sdma.instance[i].fw;
header = (const struct common_firmware_header *)info->fw->data;
adev->firmware.fw_size +=
ALIGN(le32_to_cpu(header->ucode_size_bytes), PAGE_SIZE);
}
}
out:
if (err) {
DRM_ERROR("sdma_v4_0: Failed to load firmware \"%s\"\n", fw_name);
for (i = 0; i < adev->sdma.num_instances; i++) {
release_firmware(adev->sdma.instance[i].fw);
adev->sdma.instance[i].fw = NULL;
}
}
return err;
}
/**
* sdma_v4_0_ring_get_rptr - get the current read pointer
*
* @ring: amdgpu ring pointer
*
* Get the current rptr from the hardware (VEGA10+).
*/
static uint64_t sdma_v4_0_ring_get_rptr(struct amdgpu_ring *ring)
{
u64 *rptr;
/* XXX check if swapping is necessary on BE */
rptr = ((u64 *)&ring->adev->wb.wb[ring->rptr_offs]);
DRM_DEBUG("rptr before shift == 0x%016llx\n", *rptr);
return ((*rptr) >> 2);
}
/**
* sdma_v4_0_ring_get_wptr - get the current write pointer
*
* @ring: amdgpu ring pointer
*
* Get the current wptr from the hardware (VEGA10+).
*/
static uint64_t sdma_v4_0_ring_get_wptr(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
u64 wptr;
if (ring->use_doorbell) {
/* XXX check if swapping is necessary on BE */
wptr = READ_ONCE(*((u64 *)&adev->wb.wb[ring->wptr_offs]));
DRM_DEBUG("wptr/doorbell before shift == 0x%016llx\n", wptr);
} else {
wptr = RREG32_SDMA(ring->me, mmSDMA0_GFX_RB_WPTR_HI);
wptr = wptr << 32;
wptr |= RREG32_SDMA(ring->me, mmSDMA0_GFX_RB_WPTR);
DRM_DEBUG("wptr before shift [%i] wptr == 0x%016llx\n",
ring->me, wptr);
}
return wptr >> 2;
}
/**
* sdma_v4_0_ring_set_wptr - commit the write pointer
*
* @ring: amdgpu ring pointer
*
* Write the wptr back to the hardware (VEGA10+).
*/
static void sdma_v4_0_ring_set_wptr(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
DRM_DEBUG("Setting write pointer\n");
if (ring->use_doorbell) {
u64 *wb = (u64 *)&adev->wb.wb[ring->wptr_offs];
DRM_DEBUG("Using doorbell -- "
"wptr_offs == 0x%08x "
"lower_32_bits(ring->wptr) << 2 == 0x%08x "
"upper_32_bits(ring->wptr) << 2 == 0x%08x\n",
ring->wptr_offs,
lower_32_bits(ring->wptr << 2),
upper_32_bits(ring->wptr << 2));
/* XXX check if swapping is necessary on BE */
WRITE_ONCE(*wb, (ring->wptr << 2));
DRM_DEBUG("calling WDOORBELL64(0x%08x, 0x%016llx)\n",
ring->doorbell_index, ring->wptr << 2);
WDOORBELL64(ring->doorbell_index, ring->wptr << 2);
} else {
DRM_DEBUG("Not using doorbell -- "
"mmSDMA%i_GFX_RB_WPTR == 0x%08x "
"mmSDMA%i_GFX_RB_WPTR_HI == 0x%08x\n",
ring->me,
lower_32_bits(ring->wptr << 2),
ring->me,
upper_32_bits(ring->wptr << 2));
WREG32_SDMA(ring->me, mmSDMA0_GFX_RB_WPTR,
lower_32_bits(ring->wptr << 2));
WREG32_SDMA(ring->me, mmSDMA0_GFX_RB_WPTR_HI,
upper_32_bits(ring->wptr << 2));
}
}
/**
* sdma_v4_0_page_ring_get_wptr - get the current write pointer
*
* @ring: amdgpu ring pointer
*
* Get the current wptr from the hardware (VEGA10+).
*/
static uint64_t sdma_v4_0_page_ring_get_wptr(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
u64 wptr;
if (ring->use_doorbell) {
/* XXX check if swapping is necessary on BE */
wptr = READ_ONCE(*((u64 *)&adev->wb.wb[ring->wptr_offs]));
} else {
wptr = RREG32_SDMA(ring->me, mmSDMA0_PAGE_RB_WPTR_HI);
wptr = wptr << 32;
wptr |= RREG32_SDMA(ring->me, mmSDMA0_PAGE_RB_WPTR);
}
return wptr >> 2;
}
/**
* sdma_v4_0_ring_set_wptr - commit the write pointer
*
* @ring: amdgpu ring pointer
*
* Write the wptr back to the hardware (VEGA10+).
*/
static void sdma_v4_0_page_ring_set_wptr(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
if (ring->use_doorbell) {
u64 *wb = (u64 *)&adev->wb.wb[ring->wptr_offs];
/* XXX check if swapping is necessary on BE */
WRITE_ONCE(*wb, (ring->wptr << 2));
WDOORBELL64(ring->doorbell_index, ring->wptr << 2);
} else {
uint64_t wptr = ring->wptr << 2;
WREG32_SDMA(ring->me, mmSDMA0_PAGE_RB_WPTR,
lower_32_bits(wptr));
WREG32_SDMA(ring->me, mmSDMA0_PAGE_RB_WPTR_HI,
upper_32_bits(wptr));
}
}
static void sdma_v4_0_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count)
{
struct amdgpu_sdma_instance *sdma = amdgpu_sdma_get_instance_from_ring(ring);
int i;
for (i = 0; i < count; i++)
if (sdma && sdma->burst_nop && (i == 0))
amdgpu_ring_write(ring, ring->funcs->nop |
SDMA_PKT_NOP_HEADER_COUNT(count - 1));
else
amdgpu_ring_write(ring, ring->funcs->nop);
}
/**
* sdma_v4_0_ring_emit_ib - Schedule an IB on the DMA engine
*
* @ring: amdgpu ring pointer
* @ib: IB object to schedule
*
* Schedule an IB in the DMA ring (VEGA10).
*/
static void sdma_v4_0_ring_emit_ib(struct amdgpu_ring *ring,
struct amdgpu_job *job,
struct amdgpu_ib *ib,
uint32_t flags)
{
unsigned vmid = AMDGPU_JOB_GET_VMID(job);
/* IB packet must end on a 8 DW boundary */
sdma_v4_0_ring_insert_nop(ring, (10 - (lower_32_bits(ring->wptr) & 7)) % 8);
amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_INDIRECT) |
SDMA_PKT_INDIRECT_HEADER_VMID(vmid & 0xf));
/* base must be 32 byte aligned */
amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr) & 0xffffffe0);
amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
amdgpu_ring_write(ring, ib->length_dw);
amdgpu_ring_write(ring, 0);
amdgpu_ring_write(ring, 0);
}
static void sdma_v4_0_wait_reg_mem(struct amdgpu_ring *ring,
int mem_space, int hdp,
uint32_t addr0, uint32_t addr1,
uint32_t ref, uint32_t mask,
uint32_t inv)
{
amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_POLL_REGMEM) |
SDMA_PKT_POLL_REGMEM_HEADER_HDP_FLUSH(hdp) |
SDMA_PKT_POLL_REGMEM_HEADER_MEM_POLL(mem_space) |
SDMA_PKT_POLL_REGMEM_HEADER_FUNC(3)); /* == */
if (mem_space) {
/* memory */
amdgpu_ring_write(ring, addr0);
amdgpu_ring_write(ring, addr1);
} else {
/* registers */
amdgpu_ring_write(ring, addr0 << 2);
amdgpu_ring_write(ring, addr1 << 2);
}
amdgpu_ring_write(ring, ref); /* reference */
amdgpu_ring_write(ring, mask); /* mask */
amdgpu_ring_write(ring, SDMA_PKT_POLL_REGMEM_DW5_RETRY_COUNT(0xfff) |
SDMA_PKT_POLL_REGMEM_DW5_INTERVAL(inv)); /* retry count, poll interval */
}
/**
* sdma_v4_0_ring_emit_hdp_flush - emit an hdp flush on the DMA ring
*
* @ring: amdgpu ring pointer
*
* Emit an hdp flush packet on the requested DMA ring.
*/
static void sdma_v4_0_ring_emit_hdp_flush(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
u32 ref_and_mask = 0;
const struct nbio_hdp_flush_reg *nbio_hf_reg = adev->nbio_funcs->hdp_flush_reg;
if (ring->me == 0)
ref_and_mask = nbio_hf_reg->ref_and_mask_sdma0;
else
ref_and_mask = nbio_hf_reg->ref_and_mask_sdma1;
sdma_v4_0_wait_reg_mem(ring, 0, 1,
adev->nbio_funcs->get_hdp_flush_done_offset(adev),
adev->nbio_funcs->get_hdp_flush_req_offset(adev),
ref_and_mask, ref_and_mask, 10);
}
/**
* sdma_v4_0_ring_emit_fence - emit a fence on the DMA ring
*
* @ring: amdgpu ring pointer
* @fence: amdgpu fence object
*
* Add a DMA fence packet to the ring to write
* the fence seq number and DMA trap packet to generate
* an interrupt if needed (VEGA10).
*/
static void sdma_v4_0_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
unsigned flags)
{
bool write64bit = flags & AMDGPU_FENCE_FLAG_64BIT;
/* write the fence */
amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_FENCE));
/* zero in first two bits */
BUG_ON(addr & 0x3);
amdgpu_ring_write(ring, lower_32_bits(addr));
amdgpu_ring_write(ring, upper_32_bits(addr));
amdgpu_ring_write(ring, lower_32_bits(seq));
/* optionally write high bits as well */
if (write64bit) {
addr += 4;
amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_FENCE));
/* zero in first two bits */
BUG_ON(addr & 0x3);
amdgpu_ring_write(ring, lower_32_bits(addr));
amdgpu_ring_write(ring, upper_32_bits(addr));
amdgpu_ring_write(ring, upper_32_bits(seq));
}
/* generate an interrupt */
amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_TRAP));
amdgpu_ring_write(ring, SDMA_PKT_TRAP_INT_CONTEXT_INT_CONTEXT(0));
}
/**
* sdma_v4_0_gfx_stop - stop the gfx async dma engines
*
* @adev: amdgpu_device pointer
*
* Stop the gfx async dma ring buffers (VEGA10).
*/
static void sdma_v4_0_gfx_stop(struct amdgpu_device *adev)
{
struct amdgpu_ring *sdma0 = &adev->sdma.instance[0].ring;
struct amdgpu_ring *sdma1 = &adev->sdma.instance[1].ring;
u32 rb_cntl, ib_cntl;
int i;
if ((adev->mman.buffer_funcs_ring == sdma0) ||
(adev->mman.buffer_funcs_ring == sdma1))
amdgpu_ttm_set_buffer_funcs_status(adev, false);
for (i = 0; i < adev->sdma.num_instances; i++) {
rb_cntl = RREG32_SDMA(i, mmSDMA0_GFX_RB_CNTL);
rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_ENABLE, 0);
WREG32_SDMA(i, mmSDMA0_GFX_RB_CNTL, rb_cntl);
ib_cntl = RREG32_SDMA(i, mmSDMA0_GFX_IB_CNTL);
ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_ENABLE, 0);
WREG32_SDMA(i, mmSDMA0_GFX_IB_CNTL, ib_cntl);
}
sdma0->sched.ready = false;
sdma1->sched.ready = false;
}
/**
* sdma_v4_0_rlc_stop - stop the compute async dma engines
*
* @adev: amdgpu_device pointer
*
* Stop the compute async dma queues (VEGA10).
*/
static void sdma_v4_0_rlc_stop(struct amdgpu_device *adev)
{
/* XXX todo */
}
/**
* sdma_v4_0_page_stop - stop the page async dma engines
*
* @adev: amdgpu_device pointer
*
* Stop the page async dma ring buffers (VEGA10).
*/
static void sdma_v4_0_page_stop(struct amdgpu_device *adev)
{
struct amdgpu_ring *sdma0 = &adev->sdma.instance[0].page;
struct amdgpu_ring *sdma1 = &adev->sdma.instance[1].page;
u32 rb_cntl, ib_cntl;
int i;
if ((adev->mman.buffer_funcs_ring == sdma0) ||
(adev->mman.buffer_funcs_ring == sdma1))
amdgpu_ttm_set_buffer_funcs_status(adev, false);
for (i = 0; i < adev->sdma.num_instances; i++) {
rb_cntl = RREG32_SDMA(i, mmSDMA0_PAGE_RB_CNTL);
rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_PAGE_RB_CNTL,
RB_ENABLE, 0);
WREG32_SDMA(i, mmSDMA0_PAGE_RB_CNTL, rb_cntl);
ib_cntl = RREG32_SDMA(i, mmSDMA0_PAGE_IB_CNTL);
ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_PAGE_IB_CNTL,
IB_ENABLE, 0);
WREG32_SDMA(i, mmSDMA0_PAGE_IB_CNTL, ib_cntl);
}
sdma0->sched.ready = false;
sdma1->sched.ready = false;
}
/**
* sdma_v_0_ctx_switch_enable - stop the async dma engines context switch
*
* @adev: amdgpu_device pointer
* @enable: enable/disable the DMA MEs context switch.
*
* Halt or unhalt the async dma engines context switch (VEGA10).
*/
static void sdma_v4_0_ctx_switch_enable(struct amdgpu_device *adev, bool enable)
{
u32 f32_cntl, phase_quantum = 0;
int i;
if (amdgpu_sdma_phase_quantum) {
unsigned value = amdgpu_sdma_phase_quantum;
unsigned unit = 0;
while (value > (SDMA0_PHASE0_QUANTUM__VALUE_MASK >>
SDMA0_PHASE0_QUANTUM__VALUE__SHIFT)) {
value = (value + 1) >> 1;
unit++;
}
if (unit > (SDMA0_PHASE0_QUANTUM__UNIT_MASK >>
SDMA0_PHASE0_QUANTUM__UNIT__SHIFT)) {
value = (SDMA0_PHASE0_QUANTUM__VALUE_MASK >>
SDMA0_PHASE0_QUANTUM__VALUE__SHIFT);
unit = (SDMA0_PHASE0_QUANTUM__UNIT_MASK >>
SDMA0_PHASE0_QUANTUM__UNIT__SHIFT);
WARN_ONCE(1,
"clamping sdma_phase_quantum to %uK clock cycles\n",
value << unit);
}
phase_quantum =
value << SDMA0_PHASE0_QUANTUM__VALUE__SHIFT |
unit << SDMA0_PHASE0_QUANTUM__UNIT__SHIFT;
}
for (i = 0; i < adev->sdma.num_instances; i++) {
f32_cntl = RREG32_SDMA(i, mmSDMA0_CNTL);
f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_CNTL,
AUTO_CTXSW_ENABLE, enable ? 1 : 0);
if (enable && amdgpu_sdma_phase_quantum) {
WREG32_SDMA(i, mmSDMA0_PHASE0_QUANTUM, phase_quantum);
WREG32_SDMA(i, mmSDMA0_PHASE1_QUANTUM, phase_quantum);
WREG32_SDMA(i, mmSDMA0_PHASE2_QUANTUM, phase_quantum);
}
WREG32_SDMA(i, mmSDMA0_CNTL, f32_cntl);
}
}
/**
* sdma_v4_0_enable - stop the async dma engines
*
* @adev: amdgpu_device pointer
* @enable: enable/disable the DMA MEs.
*
* Halt or unhalt the async dma engines (VEGA10).
*/
static void sdma_v4_0_enable(struct amdgpu_device *adev, bool enable)
{
u32 f32_cntl;
int i;
if (enable == false) {
sdma_v4_0_gfx_stop(adev);
sdma_v4_0_rlc_stop(adev);
if (adev->sdma.has_page_queue)
sdma_v4_0_page_stop(adev);
}
for (i = 0; i < adev->sdma.num_instances; i++) {
f32_cntl = RREG32_SDMA(i, mmSDMA0_F32_CNTL);
f32_cntl = REG_SET_FIELD(f32_cntl, SDMA0_F32_CNTL, HALT, enable ? 0 : 1);
WREG32_SDMA(i, mmSDMA0_F32_CNTL, f32_cntl);
}
}
/**
* sdma_v4_0_rb_cntl - get parameters for rb_cntl
*/
static uint32_t sdma_v4_0_rb_cntl(struct amdgpu_ring *ring, uint32_t rb_cntl)
{
/* Set ring buffer size in dwords */
uint32_t rb_bufsz = order_base_2(ring->ring_size / 4);
rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_SIZE, rb_bufsz);
#ifdef __BIG_ENDIAN
rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_SWAP_ENABLE, 1);
rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL,
RPTR_WRITEBACK_SWAP_ENABLE, 1);
#endif
return rb_cntl;
}
/**
* sdma_v4_0_gfx_resume - setup and start the async dma engines
*
* @adev: amdgpu_device pointer
* @i: instance to resume
*
* Set up the gfx DMA ring buffers and enable them (VEGA10).
* Returns 0 for success, error for failure.
*/
static void sdma_v4_0_gfx_resume(struct amdgpu_device *adev, unsigned int i)
{
struct amdgpu_ring *ring = &adev->sdma.instance[i].ring;
u32 rb_cntl, ib_cntl, wptr_poll_cntl;
u32 wb_offset;
u32 doorbell;
u32 doorbell_offset;
u64 wptr_gpu_addr;
wb_offset = (ring->rptr_offs * 4);
rb_cntl = RREG32_SDMA(i, mmSDMA0_GFX_RB_CNTL);
rb_cntl = sdma_v4_0_rb_cntl(ring, rb_cntl);
WREG32_SDMA(i, mmSDMA0_GFX_RB_CNTL, rb_cntl);
/* Initialize the ring buffer's read and write pointers */
WREG32_SDMA(i, mmSDMA0_GFX_RB_RPTR, 0);
WREG32_SDMA(i, mmSDMA0_GFX_RB_RPTR_HI, 0);
WREG32_SDMA(i, mmSDMA0_GFX_RB_WPTR, 0);
WREG32_SDMA(i, mmSDMA0_GFX_RB_WPTR_HI, 0);
/* set the wb address whether it's enabled or not */
WREG32_SDMA(i, mmSDMA0_GFX_RB_RPTR_ADDR_HI,
upper_32_bits(adev->wb.gpu_addr + wb_offset) & 0xFFFFFFFF);
WREG32_SDMA(i, mmSDMA0_GFX_RB_RPTR_ADDR_LO,
lower_32_bits(adev->wb.gpu_addr + wb_offset) & 0xFFFFFFFC);
rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL,
RPTR_WRITEBACK_ENABLE, 1);
WREG32_SDMA(i, mmSDMA0_GFX_RB_BASE, ring->gpu_addr >> 8);
WREG32_SDMA(i, mmSDMA0_GFX_RB_BASE_HI, ring->gpu_addr >> 40);
ring->wptr = 0;
/* before programing wptr to a less value, need set minor_ptr_update first */
WREG32_SDMA(i, mmSDMA0_GFX_MINOR_PTR_UPDATE, 1);
doorbell = RREG32_SDMA(i, mmSDMA0_GFX_DOORBELL);
doorbell_offset = RREG32_SDMA(i, mmSDMA0_GFX_DOORBELL_OFFSET);
doorbell = REG_SET_FIELD(doorbell, SDMA0_GFX_DOORBELL, ENABLE,
ring->use_doorbell);
doorbell_offset = REG_SET_FIELD(doorbell_offset,
SDMA0_GFX_DOORBELL_OFFSET,
OFFSET, ring->doorbell_index);
WREG32_SDMA(i, mmSDMA0_GFX_DOORBELL, doorbell);
WREG32_SDMA(i, mmSDMA0_GFX_DOORBELL_OFFSET, doorbell_offset);
sdma_v4_0_ring_set_wptr(ring);
/* set minor_ptr_update to 0 after wptr programed */
WREG32_SDMA(i, mmSDMA0_GFX_MINOR_PTR_UPDATE, 0);
/* setup the wptr shadow polling */
wptr_gpu_addr = adev->wb.gpu_addr + (ring->wptr_offs * 4);
WREG32_SDMA(i, mmSDMA0_GFX_RB_WPTR_POLL_ADDR_LO,
lower_32_bits(wptr_gpu_addr));
WREG32_SDMA(i, mmSDMA0_GFX_RB_WPTR_POLL_ADDR_HI,
upper_32_bits(wptr_gpu_addr));
wptr_poll_cntl = RREG32_SDMA(i, mmSDMA0_GFX_RB_WPTR_POLL_CNTL);
wptr_poll_cntl = REG_SET_FIELD(wptr_poll_cntl,
SDMA0_GFX_RB_WPTR_POLL_CNTL,
F32_POLL_ENABLE, amdgpu_sriov_vf(adev)? 1 : 0);
WREG32_SDMA(i, mmSDMA0_GFX_RB_WPTR_POLL_CNTL, wptr_poll_cntl);
/* enable DMA RB */
rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_GFX_RB_CNTL, RB_ENABLE, 1);
WREG32_SDMA(i, mmSDMA0_GFX_RB_CNTL, rb_cntl);
ib_cntl = RREG32_SDMA(i, mmSDMA0_GFX_IB_CNTL);
ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_ENABLE, 1);
#ifdef __BIG_ENDIAN
ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_GFX_IB_CNTL, IB_SWAP_ENABLE, 1);
#endif
/* enable DMA IBs */
WREG32_SDMA(i, mmSDMA0_GFX_IB_CNTL, ib_cntl);
ring->sched.ready = true;
}
/**
* sdma_v4_0_page_resume - setup and start the async dma engines
*
* @adev: amdgpu_device pointer
* @i: instance to resume
*
* Set up the page DMA ring buffers and enable them (VEGA10).
* Returns 0 for success, error for failure.
*/
static void sdma_v4_0_page_resume(struct amdgpu_device *adev, unsigned int i)
{
struct amdgpu_ring *ring = &adev->sdma.instance[i].page;
u32 rb_cntl, ib_cntl, wptr_poll_cntl;
u32 wb_offset;
u32 doorbell;
u32 doorbell_offset;
u64 wptr_gpu_addr;
wb_offset = (ring->rptr_offs * 4);
rb_cntl = RREG32_SDMA(i, mmSDMA0_PAGE_RB_CNTL);
rb_cntl = sdma_v4_0_rb_cntl(ring, rb_cntl);
WREG32_SDMA(i, mmSDMA0_PAGE_RB_CNTL, rb_cntl);
/* Initialize the ring buffer's read and write pointers */
WREG32_SDMA(i, mmSDMA0_PAGE_RB_RPTR, 0);
WREG32_SDMA(i, mmSDMA0_PAGE_RB_RPTR_HI, 0);
WREG32_SDMA(i, mmSDMA0_PAGE_RB_WPTR, 0);
WREG32_SDMA(i, mmSDMA0_PAGE_RB_WPTR_HI, 0);
/* set the wb address whether it's enabled or not */
WREG32_SDMA(i, mmSDMA0_PAGE_RB_RPTR_ADDR_HI,
upper_32_bits(adev->wb.gpu_addr + wb_offset) & 0xFFFFFFFF);
WREG32_SDMA(i, mmSDMA0_PAGE_RB_RPTR_ADDR_LO,
lower_32_bits(adev->wb.gpu_addr + wb_offset) & 0xFFFFFFFC);
rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_PAGE_RB_CNTL,
RPTR_WRITEBACK_ENABLE, 1);
WREG32_SDMA(i, mmSDMA0_PAGE_RB_BASE, ring->gpu_addr >> 8);
WREG32_SDMA(i, mmSDMA0_PAGE_RB_BASE_HI, ring->gpu_addr >> 40);
ring->wptr = 0;
/* before programing wptr to a less value, need set minor_ptr_update first */
WREG32_SDMA(i, mmSDMA0_PAGE_MINOR_PTR_UPDATE, 1);
doorbell = RREG32_SDMA(i, mmSDMA0_PAGE_DOORBELL);
doorbell_offset = RREG32_SDMA(i, mmSDMA0_PAGE_DOORBELL_OFFSET);
doorbell = REG_SET_FIELD(doorbell, SDMA0_PAGE_DOORBELL, ENABLE,
ring->use_doorbell);
doorbell_offset = REG_SET_FIELD(doorbell_offset,
SDMA0_PAGE_DOORBELL_OFFSET,
OFFSET, ring->doorbell_index);
WREG32_SDMA(i, mmSDMA0_PAGE_DOORBELL, doorbell);
WREG32_SDMA(i, mmSDMA0_PAGE_DOORBELL_OFFSET, doorbell_offset);
/* paging queue doorbell range is setup at sdma_v4_0_gfx_resume */
sdma_v4_0_page_ring_set_wptr(ring);
/* set minor_ptr_update to 0 after wptr programed */
WREG32_SDMA(i, mmSDMA0_PAGE_MINOR_PTR_UPDATE, 0);
/* setup the wptr shadow polling */
wptr_gpu_addr = adev->wb.gpu_addr + (ring->wptr_offs * 4);
WREG32_SDMA(i, mmSDMA0_PAGE_RB_WPTR_POLL_ADDR_LO,
lower_32_bits(wptr_gpu_addr));
WREG32_SDMA(i, mmSDMA0_PAGE_RB_WPTR_POLL_ADDR_HI,
upper_32_bits(wptr_gpu_addr));
wptr_poll_cntl = RREG32_SDMA(i, mmSDMA0_PAGE_RB_WPTR_POLL_CNTL);
wptr_poll_cntl = REG_SET_FIELD(wptr_poll_cntl,
SDMA0_PAGE_RB_WPTR_POLL_CNTL,
F32_POLL_ENABLE, amdgpu_sriov_vf(adev)? 1 : 0);
WREG32_SDMA(i, mmSDMA0_PAGE_RB_WPTR_POLL_CNTL, wptr_poll_cntl);
/* enable DMA RB */
rb_cntl = REG_SET_FIELD(rb_cntl, SDMA0_PAGE_RB_CNTL, RB_ENABLE, 1);
WREG32_SDMA(i, mmSDMA0_PAGE_RB_CNTL, rb_cntl);
ib_cntl = RREG32_SDMA(i, mmSDMA0_PAGE_IB_CNTL);
ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_PAGE_IB_CNTL, IB_ENABLE, 1);
#ifdef __BIG_ENDIAN
ib_cntl = REG_SET_FIELD(ib_cntl, SDMA0_PAGE_IB_CNTL, IB_SWAP_ENABLE, 1);
#endif
/* enable DMA IBs */
WREG32_SDMA(i, mmSDMA0_PAGE_IB_CNTL, ib_cntl);
ring->sched.ready = true;
}
static void
sdma_v4_1_update_power_gating(struct amdgpu_device *adev, bool enable)
{
uint32_t def, data;
if (enable && (adev->pg_flags & AMD_PG_SUPPORT_SDMA)) {
/* enable idle interrupt */
def = data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CNTL));
data |= SDMA0_CNTL__CTXEMPTY_INT_ENABLE_MASK;
if (data != def)
WREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CNTL), data);
} else {
/* disable idle interrupt */
def = data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CNTL));
data &= ~SDMA0_CNTL__CTXEMPTY_INT_ENABLE_MASK;
if (data != def)
WREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CNTL), data);
}
}
static void sdma_v4_1_init_power_gating(struct amdgpu_device *adev)
{
uint32_t def, data;
/* Enable HW based PG. */
def = data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_POWER_CNTL));
data |= SDMA0_POWER_CNTL__PG_CNTL_ENABLE_MASK;
if (data != def)
WREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_POWER_CNTL), data);
/* enable interrupt */
def = data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CNTL));
data |= SDMA0_CNTL__CTXEMPTY_INT_ENABLE_MASK;
if (data != def)
WREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CNTL), data);
/* Configure hold time to filter in-valid power on/off request. Use default right now */
def = data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_POWER_CNTL));
data &= ~SDMA0_POWER_CNTL__ON_OFF_CONDITION_HOLD_TIME_MASK;
data |= (mmSDMA0_POWER_CNTL_DEFAULT & SDMA0_POWER_CNTL__ON_OFF_CONDITION_HOLD_TIME_MASK);
/* Configure switch time for hysteresis purpose. Use default right now */
data &= ~SDMA0_POWER_CNTL__ON_OFF_STATUS_DURATION_TIME_MASK;
data |= (mmSDMA0_POWER_CNTL_DEFAULT & SDMA0_POWER_CNTL__ON_OFF_STATUS_DURATION_TIME_MASK);
if(data != def)
WREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_POWER_CNTL), data);
}
static void sdma_v4_0_init_pg(struct amdgpu_device *adev)
{
if (!(adev->pg_flags & AMD_PG_SUPPORT_SDMA))
return;
switch (adev->asic_type) {
case CHIP_RAVEN:
sdma_v4_1_init_power_gating(adev);
sdma_v4_1_update_power_gating(adev, true);
break;
default:
break;
}
}
/**
* sdma_v4_0_rlc_resume - setup and start the async dma engines
*
* @adev: amdgpu_device pointer
*
* Set up the compute DMA queues and enable them (VEGA10).
* Returns 0 for success, error for failure.
*/
static int sdma_v4_0_rlc_resume(struct amdgpu_device *adev)
{
sdma_v4_0_init_pg(adev);
return 0;
}
/**
* sdma_v4_0_load_microcode - load the sDMA ME ucode
*
* @adev: amdgpu_device pointer
*
* Loads the sDMA0/1 ucode.
* Returns 0 for success, -EINVAL if the ucode is not available.
*/
static int sdma_v4_0_load_microcode(struct amdgpu_device *adev)
{
const struct sdma_firmware_header_v1_0 *hdr;
const __le32 *fw_data;
u32 fw_size;
int i, j;
/* halt the MEs */
sdma_v4_0_enable(adev, false);
for (i = 0; i < adev->sdma.num_instances; i++) {
if (!adev->sdma.instance[i].fw)
return -EINVAL;
hdr = (const struct sdma_firmware_header_v1_0 *)adev->sdma.instance[i].fw->data;
amdgpu_ucode_print_sdma_hdr(&hdr->header);
fw_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4;
fw_data = (const __le32 *)
(adev->sdma.instance[i].fw->data +
le32_to_cpu(hdr->header.ucode_array_offset_bytes));
WREG32_SDMA(i, mmSDMA0_UCODE_ADDR, 0);
for (j = 0; j < fw_size; j++)
WREG32_SDMA(i, mmSDMA0_UCODE_DATA,
le32_to_cpup(fw_data++));
WREG32_SDMA(i, mmSDMA0_UCODE_ADDR,
adev->sdma.instance[i].fw_version);
}
return 0;
}
/**
* sdma_v4_0_start - setup and start the async dma engines
*
* @adev: amdgpu_device pointer
*
* Set up the DMA engines and enable them (VEGA10).
* Returns 0 for success, error for failure.
*/
static int sdma_v4_0_start(struct amdgpu_device *adev)
{
struct amdgpu_ring *ring;
int i, r;
if (amdgpu_sriov_vf(adev)) {
sdma_v4_0_ctx_switch_enable(adev, false);
sdma_v4_0_enable(adev, false);
} else {
if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
r = sdma_v4_0_load_microcode(adev);
if (r)
return r;
}
/* unhalt the MEs */
sdma_v4_0_enable(adev, true);
/* enable sdma ring preemption */
sdma_v4_0_ctx_switch_enable(adev, true);
}
/* start the gfx rings and rlc compute queues */
for (i = 0; i < adev->sdma.num_instances; i++) {
uint32_t temp;
WREG32_SDMA(i, mmSDMA0_SEM_WAIT_FAIL_TIMER_CNTL, 0);
sdma_v4_0_gfx_resume(adev, i);
if (adev->sdma.has_page_queue)
sdma_v4_0_page_resume(adev, i);
/* set utc l1 enable flag always to 1 */
temp = RREG32_SDMA(i, mmSDMA0_CNTL);
temp = REG_SET_FIELD(temp, SDMA0_CNTL, UTC_L1_ENABLE, 1);
WREG32_SDMA(i, mmSDMA0_CNTL, temp);
if (!amdgpu_sriov_vf(adev)) {
/* unhalt engine */
temp = RREG32_SDMA(i, mmSDMA0_F32_CNTL);
temp = REG_SET_FIELD(temp, SDMA0_F32_CNTL, HALT, 0);
WREG32_SDMA(i, mmSDMA0_F32_CNTL, temp);
}
}
if (amdgpu_sriov_vf(adev)) {
sdma_v4_0_ctx_switch_enable(adev, true);
sdma_v4_0_enable(adev, true);
} else {
r = sdma_v4_0_rlc_resume(adev);
if (r)
return r;
}
for (i = 0; i < adev->sdma.num_instances; i++) {
ring = &adev->sdma.instance[i].ring;
r = amdgpu_ring_test_helper(ring);
if (r)
return r;
if (adev->sdma.has_page_queue) {
struct amdgpu_ring *page = &adev->sdma.instance[i].page;
r = amdgpu_ring_test_helper(page);
if (r)
return r;
if (adev->mman.buffer_funcs_ring == page)
amdgpu_ttm_set_buffer_funcs_status(adev, true);
}
if (adev->mman.buffer_funcs_ring == ring)
amdgpu_ttm_set_buffer_funcs_status(adev, true);
}
return r;
}
/**
* sdma_v4_0_ring_test_ring - simple async dma engine test
*
* @ring: amdgpu_ring structure holding ring information
*
* Test the DMA engine by writing using it to write an
* value to memory. (VEGA10).
* Returns 0 for success, error for failure.
*/
static int sdma_v4_0_ring_test_ring(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
unsigned i;
unsigned index;
int r;
u32 tmp;
u64 gpu_addr;
r = amdgpu_device_wb_get(adev, &index);
if (r)
return r;
gpu_addr = adev->wb.gpu_addr + (index * 4);
tmp = 0xCAFEDEAD;
adev->wb.wb[index] = cpu_to_le32(tmp);
r = amdgpu_ring_alloc(ring, 5);
if (r)
goto error_free_wb;
amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) |
SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR));
amdgpu_ring_write(ring, lower_32_bits(gpu_addr));
amdgpu_ring_write(ring, upper_32_bits(gpu_addr));
amdgpu_ring_write(ring, SDMA_PKT_WRITE_UNTILED_DW_3_COUNT(0));
amdgpu_ring_write(ring, 0xDEADBEEF);
amdgpu_ring_commit(ring);
for (i = 0; i < adev->usec_timeout; i++) {
tmp = le32_to_cpu(adev->wb.wb[index]);
if (tmp == 0xDEADBEEF)
break;
DRM_UDELAY(1);
}
if (i >= adev->usec_timeout)
r = -ETIMEDOUT;
error_free_wb:
amdgpu_device_wb_free(adev, index);
return r;
}
/**
* sdma_v4_0_ring_test_ib - test an IB on the DMA engine
*
* @ring: amdgpu_ring structure holding ring information
*
* Test a simple IB in the DMA ring (VEGA10).
* Returns 0 on success, error on failure.
*/
static int sdma_v4_0_ring_test_ib(struct amdgpu_ring *ring, long timeout)
{
struct amdgpu_device *adev = ring->adev;
struct amdgpu_ib ib;
struct dma_fence *f = NULL;
unsigned index;
long r;
u32 tmp = 0;
u64 gpu_addr;
r = amdgpu_device_wb_get(adev, &index);
if (r)
return r;
gpu_addr = adev->wb.gpu_addr + (index * 4);
tmp = 0xCAFEDEAD;
adev->wb.wb[index] = cpu_to_le32(tmp);
memset(&ib, 0, sizeof(ib));
r = amdgpu_ib_get(adev, NULL, 256, &ib);
if (r)
goto err0;
ib.ptr[0] = SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) |
SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR);
ib.ptr[1] = lower_32_bits(gpu_addr);
ib.ptr[2] = upper_32_bits(gpu_addr);
ib.ptr[3] = SDMA_PKT_WRITE_UNTILED_DW_3_COUNT(0);
ib.ptr[4] = 0xDEADBEEF;
ib.ptr[5] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP);
ib.ptr[6] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP);
ib.ptr[7] = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP);
ib.length_dw = 8;
r = amdgpu_ib_schedule(ring, 1, &ib, NULL, &f);
if (r)
goto err1;
r = dma_fence_wait_timeout(f, false, timeout);
if (r == 0) {
r = -ETIMEDOUT;
goto err1;
} else if (r < 0) {
goto err1;
}
tmp = le32_to_cpu(adev->wb.wb[index]);
if (tmp == 0xDEADBEEF)
r = 0;
else
r = -EINVAL;
err1:
amdgpu_ib_free(adev, &ib, NULL);
dma_fence_put(f);
err0:
amdgpu_device_wb_free(adev, index);
return r;
}
/**
* sdma_v4_0_vm_copy_pte - update PTEs by copying them from the GART
*
* @ib: indirect buffer to fill with commands
* @pe: addr of the page entry
* @src: src addr to copy from
* @count: number of page entries to update
*
* Update PTEs by copying them from the GART using sDMA (VEGA10).
*/
static void sdma_v4_0_vm_copy_pte(struct amdgpu_ib *ib,
uint64_t pe, uint64_t src,
unsigned count)
{
unsigned bytes = count * 8;
ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_COPY) |
SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR);
ib->ptr[ib->length_dw++] = bytes - 1;
ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */
ib->ptr[ib->length_dw++] = lower_32_bits(src);
ib->ptr[ib->length_dw++] = upper_32_bits(src);
ib->ptr[ib->length_dw++] = lower_32_bits(pe);
ib->ptr[ib->length_dw++] = upper_32_bits(pe);
}
/**
* sdma_v4_0_vm_write_pte - update PTEs by writing them manually
*
* @ib: indirect buffer to fill with commands
* @pe: addr of the page entry
* @addr: dst addr to write into pe
* @count: number of page entries to update
* @incr: increase next addr by incr bytes
* @flags: access flags
*
* Update PTEs by writing them manually using sDMA (VEGA10).
*/
static void sdma_v4_0_vm_write_pte(struct amdgpu_ib *ib, uint64_t pe,
uint64_t value, unsigned count,
uint32_t incr)
{
unsigned ndw = count * 2;
ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_WRITE) |
SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_WRITE_LINEAR);
ib->ptr[ib->length_dw++] = lower_32_bits(pe);
ib->ptr[ib->length_dw++] = upper_32_bits(pe);
ib->ptr[ib->length_dw++] = ndw - 1;
for (; ndw > 0; ndw -= 2) {
ib->ptr[ib->length_dw++] = lower_32_bits(value);
ib->ptr[ib->length_dw++] = upper_32_bits(value);
value += incr;
}
}
/**
* sdma_v4_0_vm_set_pte_pde - update the page tables using sDMA
*
* @ib: indirect buffer to fill with commands
* @pe: addr of the page entry
* @addr: dst addr to write into pe
* @count: number of page entries to update
* @incr: increase next addr by incr bytes
* @flags: access flags
*
* Update the page tables using sDMA (VEGA10).
*/
static void sdma_v4_0_vm_set_pte_pde(struct amdgpu_ib *ib,
uint64_t pe,
uint64_t addr, unsigned count,
uint32_t incr, uint64_t flags)
{
/* for physically contiguous pages (vram) */
ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_PTEPDE);
ib->ptr[ib->length_dw++] = lower_32_bits(pe); /* dst addr */
ib->ptr[ib->length_dw++] = upper_32_bits(pe);
ib->ptr[ib->length_dw++] = lower_32_bits(flags); /* mask */
ib->ptr[ib->length_dw++] = upper_32_bits(flags);
ib->ptr[ib->length_dw++] = lower_32_bits(addr); /* value */
ib->ptr[ib->length_dw++] = upper_32_bits(addr);
ib->ptr[ib->length_dw++] = incr; /* increment size */
ib->ptr[ib->length_dw++] = 0;
ib->ptr[ib->length_dw++] = count - 1; /* number of entries */
}
/**
* sdma_v4_0_ring_pad_ib - pad the IB to the required number of dw
*
* @ib: indirect buffer to fill with padding
*
*/
static void sdma_v4_0_ring_pad_ib(struct amdgpu_ring *ring, struct amdgpu_ib *ib)
{
struct amdgpu_sdma_instance *sdma = amdgpu_sdma_get_instance_from_ring(ring);
u32 pad_count;
int i;
pad_count = (8 - (ib->length_dw & 0x7)) % 8;
for (i = 0; i < pad_count; i++)
if (sdma && sdma->burst_nop && (i == 0))
ib->ptr[ib->length_dw++] =
SDMA_PKT_HEADER_OP(SDMA_OP_NOP) |
SDMA_PKT_NOP_HEADER_COUNT(pad_count - 1);
else
ib->ptr[ib->length_dw++] =
SDMA_PKT_HEADER_OP(SDMA_OP_NOP);
}
/**
* sdma_v4_0_ring_emit_pipeline_sync - sync the pipeline
*
* @ring: amdgpu_ring pointer
*
* Make sure all previous operations are completed (CIK).
*/
static void sdma_v4_0_ring_emit_pipeline_sync(struct amdgpu_ring *ring)
{
uint32_t seq = ring->fence_drv.sync_seq;
uint64_t addr = ring->fence_drv.gpu_addr;
/* wait for idle */
sdma_v4_0_wait_reg_mem(ring, 1, 0,
addr & 0xfffffffc,
upper_32_bits(addr) & 0xffffffff,
seq, 0xffffffff, 4);
}
/**
* sdma_v4_0_ring_emit_vm_flush - vm flush using sDMA
*
* @ring: amdgpu_ring pointer
* @vm: amdgpu_vm pointer
*
* Update the page table base and flush the VM TLB
* using sDMA (VEGA10).
*/
static void sdma_v4_0_ring_emit_vm_flush(struct amdgpu_ring *ring,
unsigned vmid, uint64_t pd_addr)
{
amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr);
}
static void sdma_v4_0_ring_emit_wreg(struct amdgpu_ring *ring,
uint32_t reg, uint32_t val)
{
amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_SRBM_WRITE) |
SDMA_PKT_SRBM_WRITE_HEADER_BYTE_EN(0xf));
amdgpu_ring_write(ring, reg);
amdgpu_ring_write(ring, val);
}
static void sdma_v4_0_ring_emit_reg_wait(struct amdgpu_ring *ring, uint32_t reg,
uint32_t val, uint32_t mask)
{
sdma_v4_0_wait_reg_mem(ring, 0, 0, reg, 0, val, mask, 10);
}
static bool sdma_v4_0_fw_support_paging_queue(struct amdgpu_device *adev)
{
uint fw_version = adev->sdma.instance[0].fw_version;
switch (adev->asic_type) {
case CHIP_VEGA10:
return fw_version >= 430;
case CHIP_VEGA12:
/*return fw_version >= 31;*/
return false;
case CHIP_VEGA20:
return fw_version >= 123;
default:
return false;
}
}
static int sdma_v4_0_early_init(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
int r;
if (adev->asic_type == CHIP_RAVEN)
adev->sdma.num_instances = 1;
else
adev->sdma.num_instances = 2;
r = sdma_v4_0_init_microcode(adev);
if (r) {
DRM_ERROR("Failed to load sdma firmware!\n");
return r;
}
/* TODO: Page queue breaks driver reload under SRIOV */
if ((adev->asic_type == CHIP_VEGA10) && amdgpu_sriov_vf((adev)))
adev->sdma.has_page_queue = false;
else if (sdma_v4_0_fw_support_paging_queue(adev))
adev->sdma.has_page_queue = true;
sdma_v4_0_set_ring_funcs(adev);
sdma_v4_0_set_buffer_funcs(adev);
sdma_v4_0_set_vm_pte_funcs(adev);
sdma_v4_0_set_irq_funcs(adev);
return 0;
}
static int sdma_v4_0_process_ras_data_cb(struct amdgpu_device *adev,
struct amdgpu_iv_entry *entry);
static int sdma_v4_0_late_init(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
struct ras_common_if **ras_if = &adev->sdma.ras_if;
struct ras_ih_if ih_info = {
.cb = sdma_v4_0_process_ras_data_cb,
};
struct ras_fs_if fs_info = {
.sysfs_name = "sdma_err_count",
.debugfs_name = "sdma_err_inject",
};
struct ras_common_if ras_block = {
.block = AMDGPU_RAS_BLOCK__SDMA,
.type = AMDGPU_RAS_ERROR__MULTI_UNCORRECTABLE,
.sub_block_index = 0,
.name = "sdma",
};
int r;
if (!amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__SDMA)) {
amdgpu_ras_feature_enable_on_boot(adev, &ras_block, 0);
return 0;
}
/* handle resume path. */
if (*ras_if) {
/* resend ras TA enable cmd during resume.
* prepare to handle failure.
*/
ih_info.head = **ras_if;
r = amdgpu_ras_feature_enable_on_boot(adev, *ras_if, 1);
if (r) {
if (r == -EAGAIN) {
/* request a gpu reset. will run again. */
amdgpu_ras_request_reset_on_boot(adev,
AMDGPU_RAS_BLOCK__SDMA);
return 0;
}
/* fail to enable ras, cleanup all. */
goto irq;
}
/* enable successfully. continue. */
goto resume;
}
*ras_if = kmalloc(sizeof(**ras_if), GFP_KERNEL);
if (!*ras_if)
return -ENOMEM;
**ras_if = ras_block;
r = amdgpu_ras_feature_enable_on_boot(adev, *ras_if, 1);
if (r) {
if (r == -EAGAIN) {
amdgpu_ras_request_reset_on_boot(adev,
AMDGPU_RAS_BLOCK__SDMA);
r = 0;
}
goto feature;
}
ih_info.head = **ras_if;
fs_info.head = **ras_if;
r = amdgpu_ras_interrupt_add_handler(adev, &ih_info);
if (r)
goto interrupt;
amdgpu_ras_debugfs_create(adev, &fs_info);
r = amdgpu_ras_sysfs_create(adev, &fs_info);
if (r)
goto sysfs;
resume:
r = amdgpu_irq_get(adev, &adev->sdma.ecc_irq, AMDGPU_SDMA_IRQ_INSTANCE0);
if (r)
goto irq;
r = amdgpu_irq_get(adev, &adev->sdma.ecc_irq, AMDGPU_SDMA_IRQ_INSTANCE1);
if (r) {
amdgpu_irq_put(adev, &adev->sdma.ecc_irq, AMDGPU_SDMA_IRQ_INSTANCE0);
goto irq;
}
return 0;
irq:
amdgpu_ras_sysfs_remove(adev, *ras_if);
sysfs:
amdgpu_ras_debugfs_remove(adev, *ras_if);
amdgpu_ras_interrupt_remove_handler(adev, &ih_info);
interrupt:
amdgpu_ras_feature_enable(adev, *ras_if, 0);
feature:
kfree(*ras_if);
*ras_if = NULL;
return r;
}
static int sdma_v4_0_sw_init(void *handle)
{
struct amdgpu_ring *ring;
int r, i;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
/* SDMA trap event */
r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_SDMA0, SDMA0_4_0__SRCID__SDMA_TRAP,
&adev->sdma.trap_irq);
if (r)
return r;
/* SDMA trap event */
r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_SDMA1, SDMA1_4_0__SRCID__SDMA_TRAP,
&adev->sdma.trap_irq);
if (r)
return r;
/* SDMA SRAM ECC event */
r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_SDMA0, SDMA0_4_0__SRCID__SDMA_SRAM_ECC,
&adev->sdma.ecc_irq);
if (r)
return r;
/* SDMA SRAM ECC event */
r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_SDMA1, SDMA1_4_0__SRCID__SDMA_SRAM_ECC,
&adev->sdma.ecc_irq);
if (r)
return r;
for (i = 0; i < adev->sdma.num_instances; i++) {
ring = &adev->sdma.instance[i].ring;
ring->ring_obj = NULL;
ring->use_doorbell = true;
DRM_INFO("use_doorbell being set to: [%s]\n",
ring->use_doorbell?"true":"false");
/* doorbell size is 2 dwords, get DWORD offset */
ring->doorbell_index = adev->doorbell_index.sdma_engine[i] << 1;
sprintf(ring->name, "sdma%d", i);
r = amdgpu_ring_init(adev, ring, 1024,
&adev->sdma.trap_irq,
(i == 0) ?
AMDGPU_SDMA_IRQ_INSTANCE0 :
AMDGPU_SDMA_IRQ_INSTANCE1);
if (r)
return r;
if (adev->sdma.has_page_queue) {
ring = &adev->sdma.instance[i].page;
ring->ring_obj = NULL;
ring->use_doorbell = true;
/* paging queue use same doorbell index/routing as gfx queue
* with 0x400 (4096 dwords) offset on second doorbell page
*/
ring->doorbell_index = adev->doorbell_index.sdma_engine[i] << 1;
ring->doorbell_index += 0x400;
sprintf(ring->name, "page%d", i);
r = amdgpu_ring_init(adev, ring, 1024,
&adev->sdma.trap_irq,
(i == 0) ?
AMDGPU_SDMA_IRQ_INSTANCE0 :
AMDGPU_SDMA_IRQ_INSTANCE1);
if (r)
return r;
}
}
return r;
}
static int sdma_v4_0_sw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
int i;
if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__SDMA) &&
adev->sdma.ras_if) {
struct ras_common_if *ras_if = adev->sdma.ras_if;
struct ras_ih_if ih_info = {
.head = *ras_if,
};
/*remove fs first*/
amdgpu_ras_debugfs_remove(adev, ras_if);
amdgpu_ras_sysfs_remove(adev, ras_if);
/*remove the IH*/
amdgpu_ras_interrupt_remove_handler(adev, &ih_info);
amdgpu_ras_feature_enable(adev, ras_if, 0);
kfree(ras_if);
}
for (i = 0; i < adev->sdma.num_instances; i++) {
amdgpu_ring_fini(&adev->sdma.instance[i].ring);
if (adev->sdma.has_page_queue)
amdgpu_ring_fini(&adev->sdma.instance[i].page);
}
for (i = 0; i < adev->sdma.num_instances; i++) {
release_firmware(adev->sdma.instance[i].fw);
adev->sdma.instance[i].fw = NULL;
}
return 0;
}
static int sdma_v4_0_hw_init(void *handle)
{
int r;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
if (adev->asic_type == CHIP_RAVEN && adev->powerplay.pp_funcs &&
adev->powerplay.pp_funcs->set_powergating_by_smu)
amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_SDMA, false);
sdma_v4_0_init_golden_registers(adev);
r = sdma_v4_0_start(adev);
return r;
}
static int sdma_v4_0_hw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
if (amdgpu_sriov_vf(adev))
return 0;
amdgpu_irq_put(adev, &adev->sdma.ecc_irq, AMDGPU_SDMA_IRQ_INSTANCE0);
amdgpu_irq_put(adev, &adev->sdma.ecc_irq, AMDGPU_SDMA_IRQ_INSTANCE1);
sdma_v4_0_ctx_switch_enable(adev, false);
sdma_v4_0_enable(adev, false);
if (adev->asic_type == CHIP_RAVEN && adev->powerplay.pp_funcs
&& adev->powerplay.pp_funcs->set_powergating_by_smu)
amdgpu_dpm_set_powergating_by_smu(adev, AMD_IP_BLOCK_TYPE_SDMA, true);
return 0;
}
static int sdma_v4_0_suspend(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
return sdma_v4_0_hw_fini(adev);
}
static int sdma_v4_0_resume(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
return sdma_v4_0_hw_init(adev);
}
static bool sdma_v4_0_is_idle(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
u32 i;
for (i = 0; i < adev->sdma.num_instances; i++) {
u32 tmp = RREG32_SDMA(i, mmSDMA0_STATUS_REG);
if (!(tmp & SDMA0_STATUS_REG__IDLE_MASK))
return false;
}
return true;
}
static int sdma_v4_0_wait_for_idle(void *handle)
{
unsigned i;
u32 sdma0, sdma1;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
for (i = 0; i < adev->usec_timeout; i++) {
sdma0 = RREG32_SDMA(0, mmSDMA0_STATUS_REG);
sdma1 = RREG32_SDMA(1, mmSDMA0_STATUS_REG);
if (sdma0 & sdma1 & SDMA0_STATUS_REG__IDLE_MASK)
return 0;
udelay(1);
}
return -ETIMEDOUT;
}
static int sdma_v4_0_soft_reset(void *handle)
{
/* todo */
return 0;
}
static int sdma_v4_0_set_trap_irq_state(struct amdgpu_device *adev,
struct amdgpu_irq_src *source,
unsigned type,
enum amdgpu_interrupt_state state)
{
u32 sdma_cntl;
sdma_cntl = RREG32_SDMA(type, mmSDMA0_CNTL);
sdma_cntl = REG_SET_FIELD(sdma_cntl, SDMA0_CNTL, TRAP_ENABLE,
state == AMDGPU_IRQ_STATE_ENABLE ? 1 : 0);
WREG32_SDMA(type, mmSDMA0_CNTL, sdma_cntl);
return 0;
}
static int sdma_v4_0_process_trap_irq(struct amdgpu_device *adev,
struct amdgpu_irq_src *source,
struct amdgpu_iv_entry *entry)
{
uint32_t instance;
DRM_DEBUG("IH: SDMA trap\n");
switch (entry->client_id) {
case SOC15_IH_CLIENTID_SDMA0:
instance = 0;
break;
case SOC15_IH_CLIENTID_SDMA1:
instance = 1;
break;
default:
return 0;
}
switch (entry->ring_id) {
case 0:
amdgpu_fence_process(&adev->sdma.instance[instance].ring);
break;
case 1:
if (adev->asic_type == CHIP_VEGA20)
amdgpu_fence_process(&adev->sdma.instance[instance].page);
break;
case 2:
/* XXX compute */
break;
case 3:
if (adev->asic_type != CHIP_VEGA20)
amdgpu_fence_process(&adev->sdma.instance[instance].page);
break;
}
return 0;
}
static int sdma_v4_0_process_ras_data_cb(struct amdgpu_device *adev,
struct amdgpu_iv_entry *entry)
{
uint32_t instance, err_source;
switch (entry->client_id) {
case SOC15_IH_CLIENTID_SDMA0:
instance = 0;
break;
case SOC15_IH_CLIENTID_SDMA1:
instance = 1;
break;
default:
return 0;
}
switch (entry->src_id) {
case SDMA0_4_0__SRCID__SDMA_SRAM_ECC:
err_source = 0;
break;
case SDMA0_4_0__SRCID__SDMA_ECC:
err_source = 1;
break;
default:
return 0;
}
kgd2kfd_set_sram_ecc_flag(adev->kfd.dev);
amdgpu_ras_reset_gpu(adev, 0);
return AMDGPU_RAS_UE;
}
static int sdma_v4_0_process_ecc_irq(struct amdgpu_device *adev,
struct amdgpu_irq_src *source,
struct amdgpu_iv_entry *entry)
{
struct ras_common_if *ras_if = adev->sdma.ras_if;
struct ras_dispatch_if ih_data = {
.entry = entry,
};
if (!ras_if)
return 0;
ih_data.head = *ras_if;
amdgpu_ras_interrupt_dispatch(adev, &ih_data);
return 0;
}
static int sdma_v4_0_process_illegal_inst_irq(struct amdgpu_device *adev,
struct amdgpu_irq_src *source,
struct amdgpu_iv_entry *entry)
{
int instance;
DRM_ERROR("Illegal instruction in SDMA command stream\n");
switch (entry->client_id) {
case SOC15_IH_CLIENTID_SDMA0:
instance = 0;
break;
case SOC15_IH_CLIENTID_SDMA1:
instance = 1;
break;
default:
return 0;
}
switch (entry->ring_id) {
case 0:
drm_sched_fault(&adev->sdma.instance[instance].ring.sched);
break;
}
return 0;
}
static int sdma_v4_0_set_ecc_irq_state(struct amdgpu_device *adev,
struct amdgpu_irq_src *source,
unsigned type,
enum amdgpu_interrupt_state state)
{
u32 sdma_edc_config;
u32 reg_offset = (type == AMDGPU_SDMA_IRQ_INSTANCE0) ?
sdma_v4_0_get_reg_offset(adev, 0, mmSDMA0_EDC_CONFIG) :
sdma_v4_0_get_reg_offset(adev, 1, mmSDMA0_EDC_CONFIG);
sdma_edc_config = RREG32(reg_offset);
sdma_edc_config = REG_SET_FIELD(sdma_edc_config, SDMA0_EDC_CONFIG, ECC_INT_ENABLE,
state == AMDGPU_IRQ_STATE_ENABLE ? 1 : 0);
WREG32(reg_offset, sdma_edc_config);
return 0;
}
static void sdma_v4_0_update_medium_grain_clock_gating(
struct amdgpu_device *adev,
bool enable)
{
uint32_t data, def;
if (enable && (adev->cg_flags & AMD_CG_SUPPORT_SDMA_MGCG)) {
/* enable sdma0 clock gating */
def = data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CLK_CTRL));
data &= ~(SDMA0_CLK_CTRL__SOFT_OVERRIDE7_MASK |
SDMA0_CLK_CTRL__SOFT_OVERRIDE6_MASK |
SDMA0_CLK_CTRL__SOFT_OVERRIDE5_MASK |
SDMA0_CLK_CTRL__SOFT_OVERRIDE4_MASK |
SDMA0_CLK_CTRL__SOFT_OVERRIDE3_MASK |
SDMA0_CLK_CTRL__SOFT_OVERRIDE2_MASK |
SDMA0_CLK_CTRL__SOFT_OVERRIDE1_MASK |
SDMA0_CLK_CTRL__SOFT_OVERRIDE0_MASK);
if (def != data)
WREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CLK_CTRL), data);
if (adev->sdma.num_instances > 1) {
def = data = RREG32(SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_CLK_CTRL));
data &= ~(SDMA1_CLK_CTRL__SOFT_OVERRIDE7_MASK |
SDMA1_CLK_CTRL__SOFT_OVERRIDE6_MASK |
SDMA1_CLK_CTRL__SOFT_OVERRIDE5_MASK |
SDMA1_CLK_CTRL__SOFT_OVERRIDE4_MASK |
SDMA1_CLK_CTRL__SOFT_OVERRIDE3_MASK |
SDMA1_CLK_CTRL__SOFT_OVERRIDE2_MASK |
SDMA1_CLK_CTRL__SOFT_OVERRIDE1_MASK |
SDMA1_CLK_CTRL__SOFT_OVERRIDE0_MASK);
if (def != data)
WREG32(SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_CLK_CTRL), data);
}
} else {
/* disable sdma0 clock gating */
def = data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CLK_CTRL));
data |= (SDMA0_CLK_CTRL__SOFT_OVERRIDE7_MASK |
SDMA0_CLK_CTRL__SOFT_OVERRIDE6_MASK |
SDMA0_CLK_CTRL__SOFT_OVERRIDE5_MASK |
SDMA0_CLK_CTRL__SOFT_OVERRIDE4_MASK |
SDMA0_CLK_CTRL__SOFT_OVERRIDE3_MASK |
SDMA0_CLK_CTRL__SOFT_OVERRIDE2_MASK |
SDMA0_CLK_CTRL__SOFT_OVERRIDE1_MASK |
SDMA0_CLK_CTRL__SOFT_OVERRIDE0_MASK);
if (def != data)
WREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CLK_CTRL), data);
if (adev->sdma.num_instances > 1) {
def = data = RREG32(SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_CLK_CTRL));
data |= (SDMA1_CLK_CTRL__SOFT_OVERRIDE7_MASK |
SDMA1_CLK_CTRL__SOFT_OVERRIDE6_MASK |
SDMA1_CLK_CTRL__SOFT_OVERRIDE5_MASK |
SDMA1_CLK_CTRL__SOFT_OVERRIDE4_MASK |
SDMA1_CLK_CTRL__SOFT_OVERRIDE3_MASK |
SDMA1_CLK_CTRL__SOFT_OVERRIDE2_MASK |
SDMA1_CLK_CTRL__SOFT_OVERRIDE1_MASK |
SDMA1_CLK_CTRL__SOFT_OVERRIDE0_MASK);
if (def != data)
WREG32(SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_CLK_CTRL), data);
}
}
}
static void sdma_v4_0_update_medium_grain_light_sleep(
struct amdgpu_device *adev,
bool enable)
{
uint32_t data, def;
if (enable && (adev->cg_flags & AMD_CG_SUPPORT_SDMA_LS)) {
/* 1-not override: enable sdma0 mem light sleep */
def = data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_POWER_CNTL));
data |= SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK;
if (def != data)
WREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_POWER_CNTL), data);
/* 1-not override: enable sdma1 mem light sleep */
if (adev->sdma.num_instances > 1) {
def = data = RREG32(SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_POWER_CNTL));
data |= SDMA1_POWER_CNTL__MEM_POWER_OVERRIDE_MASK;
if (def != data)
WREG32(SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_POWER_CNTL), data);
}
} else {
/* 0-override:disable sdma0 mem light sleep */
def = data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_POWER_CNTL));
data &= ~SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK;
if (def != data)
WREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_POWER_CNTL), data);
/* 0-override:disable sdma1 mem light sleep */
if (adev->sdma.num_instances > 1) {
def = data = RREG32(SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_POWER_CNTL));
data &= ~SDMA1_POWER_CNTL__MEM_POWER_OVERRIDE_MASK;
if (def != data)
WREG32(SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_POWER_CNTL), data);
}
}
}
static int sdma_v4_0_set_clockgating_state(void *handle,
enum amd_clockgating_state state)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
if (amdgpu_sriov_vf(adev))
return 0;
switch (adev->asic_type) {
case CHIP_VEGA10:
case CHIP_VEGA12:
case CHIP_VEGA20:
case CHIP_RAVEN:
sdma_v4_0_update_medium_grain_clock_gating(adev,
state == AMD_CG_STATE_GATE ? true : false);
sdma_v4_0_update_medium_grain_light_sleep(adev,
state == AMD_CG_STATE_GATE ? true : false);
break;
default:
break;
}
return 0;
}
static int sdma_v4_0_set_powergating_state(void *handle,
enum amd_powergating_state state)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
switch (adev->asic_type) {
case CHIP_RAVEN:
sdma_v4_1_update_power_gating(adev,
state == AMD_PG_STATE_GATE ? true : false);
break;
default:
break;
}
return 0;
}
static void sdma_v4_0_get_clockgating_state(void *handle, u32 *flags)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
int data;
if (amdgpu_sriov_vf(adev))
*flags = 0;
/* AMD_CG_SUPPORT_SDMA_MGCG */
data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_CLK_CTRL));
if (!(data & SDMA0_CLK_CTRL__SOFT_OVERRIDE7_MASK))
*flags |= AMD_CG_SUPPORT_SDMA_MGCG;
/* AMD_CG_SUPPORT_SDMA_LS */
data = RREG32(SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_POWER_CNTL));
if (data & SDMA0_POWER_CNTL__MEM_POWER_OVERRIDE_MASK)
*flags |= AMD_CG_SUPPORT_SDMA_LS;
}
const struct amd_ip_funcs sdma_v4_0_ip_funcs = {
.name = "sdma_v4_0",
.early_init = sdma_v4_0_early_init,
.late_init = sdma_v4_0_late_init,
.sw_init = sdma_v4_0_sw_init,
.sw_fini = sdma_v4_0_sw_fini,
.hw_init = sdma_v4_0_hw_init,
.hw_fini = sdma_v4_0_hw_fini,
.suspend = sdma_v4_0_suspend,
.resume = sdma_v4_0_resume,
.is_idle = sdma_v4_0_is_idle,
.wait_for_idle = sdma_v4_0_wait_for_idle,
.soft_reset = sdma_v4_0_soft_reset,
.set_clockgating_state = sdma_v4_0_set_clockgating_state,
.set_powergating_state = sdma_v4_0_set_powergating_state,
.get_clockgating_state = sdma_v4_0_get_clockgating_state,
};
static const struct amdgpu_ring_funcs sdma_v4_0_ring_funcs = {
.type = AMDGPU_RING_TYPE_SDMA,
.align_mask = 0xf,
.nop = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP),
.support_64bit_ptrs = true,
.vmhub = AMDGPU_MMHUB,
.get_rptr = sdma_v4_0_ring_get_rptr,
.get_wptr = sdma_v4_0_ring_get_wptr,
.set_wptr = sdma_v4_0_ring_set_wptr,
.emit_frame_size =
6 + /* sdma_v4_0_ring_emit_hdp_flush */
3 + /* hdp invalidate */
6 + /* sdma_v4_0_ring_emit_pipeline_sync */
/* sdma_v4_0_ring_emit_vm_flush */
SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 6 +
10 + 10 + 10, /* sdma_v4_0_ring_emit_fence x3 for user fence, vm fence */
.emit_ib_size = 7 + 6, /* sdma_v4_0_ring_emit_ib */
.emit_ib = sdma_v4_0_ring_emit_ib,
.emit_fence = sdma_v4_0_ring_emit_fence,
.emit_pipeline_sync = sdma_v4_0_ring_emit_pipeline_sync,
.emit_vm_flush = sdma_v4_0_ring_emit_vm_flush,
.emit_hdp_flush = sdma_v4_0_ring_emit_hdp_flush,
.test_ring = sdma_v4_0_ring_test_ring,
.test_ib = sdma_v4_0_ring_test_ib,
.insert_nop = sdma_v4_0_ring_insert_nop,
.pad_ib = sdma_v4_0_ring_pad_ib,
.emit_wreg = sdma_v4_0_ring_emit_wreg,
.emit_reg_wait = sdma_v4_0_ring_emit_reg_wait,
.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
};
static const struct amdgpu_ring_funcs sdma_v4_0_page_ring_funcs = {
.type = AMDGPU_RING_TYPE_SDMA,
.align_mask = 0xf,
.nop = SDMA_PKT_NOP_HEADER_OP(SDMA_OP_NOP),
.support_64bit_ptrs = true,
.vmhub = AMDGPU_MMHUB,
.get_rptr = sdma_v4_0_ring_get_rptr,
.get_wptr = sdma_v4_0_page_ring_get_wptr,
.set_wptr = sdma_v4_0_page_ring_set_wptr,
.emit_frame_size =
6 + /* sdma_v4_0_ring_emit_hdp_flush */
3 + /* hdp invalidate */
6 + /* sdma_v4_0_ring_emit_pipeline_sync */
/* sdma_v4_0_ring_emit_vm_flush */
SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 +
SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 6 +
10 + 10 + 10, /* sdma_v4_0_ring_emit_fence x3 for user fence, vm fence */
.emit_ib_size = 7 + 6, /* sdma_v4_0_ring_emit_ib */
.emit_ib = sdma_v4_0_ring_emit_ib,
.emit_fence = sdma_v4_0_ring_emit_fence,
.emit_pipeline_sync = sdma_v4_0_ring_emit_pipeline_sync,
.emit_vm_flush = sdma_v4_0_ring_emit_vm_flush,
.emit_hdp_flush = sdma_v4_0_ring_emit_hdp_flush,
.test_ring = sdma_v4_0_ring_test_ring,
.test_ib = sdma_v4_0_ring_test_ib,
.insert_nop = sdma_v4_0_ring_insert_nop,
.pad_ib = sdma_v4_0_ring_pad_ib,
.emit_wreg = sdma_v4_0_ring_emit_wreg,
.emit_reg_wait = sdma_v4_0_ring_emit_reg_wait,
.emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
};
static void sdma_v4_0_set_ring_funcs(struct amdgpu_device *adev)
{
int i;
for (i = 0; i < adev->sdma.num_instances; i++) {
adev->sdma.instance[i].ring.funcs = &sdma_v4_0_ring_funcs;
adev->sdma.instance[i].ring.me = i;
if (adev->sdma.has_page_queue) {
adev->sdma.instance[i].page.funcs = &sdma_v4_0_page_ring_funcs;
adev->sdma.instance[i].page.me = i;
}
}
}
static const struct amdgpu_irq_src_funcs sdma_v4_0_trap_irq_funcs = {
.set = sdma_v4_0_set_trap_irq_state,
.process = sdma_v4_0_process_trap_irq,
};
static const struct amdgpu_irq_src_funcs sdma_v4_0_illegal_inst_irq_funcs = {
.process = sdma_v4_0_process_illegal_inst_irq,
};
static const struct amdgpu_irq_src_funcs sdma_v4_0_ecc_irq_funcs = {
.set = sdma_v4_0_set_ecc_irq_state,
.process = sdma_v4_0_process_ecc_irq,
};
static void sdma_v4_0_set_irq_funcs(struct amdgpu_device *adev)
{
adev->sdma.trap_irq.num_types = AMDGPU_SDMA_IRQ_LAST;
adev->sdma.trap_irq.funcs = &sdma_v4_0_trap_irq_funcs;
adev->sdma.illegal_inst_irq.funcs = &sdma_v4_0_illegal_inst_irq_funcs;
adev->sdma.ecc_irq.num_types = AMDGPU_SDMA_IRQ_LAST;
adev->sdma.ecc_irq.funcs = &sdma_v4_0_ecc_irq_funcs;
}
/**
* sdma_v4_0_emit_copy_buffer - copy buffer using the sDMA engine
*
* @ring: amdgpu_ring structure holding ring information
* @src_offset: src GPU address
* @dst_offset: dst GPU address
* @byte_count: number of bytes to xfer
*
* Copy GPU buffers using the DMA engine (VEGA10/12).
* Used by the amdgpu ttm implementation to move pages if
* registered as the asic copy callback.
*/
static void sdma_v4_0_emit_copy_buffer(struct amdgpu_ib *ib,
uint64_t src_offset,
uint64_t dst_offset,
uint32_t byte_count)
{
ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_COPY) |
SDMA_PKT_HEADER_SUB_OP(SDMA_SUBOP_COPY_LINEAR);
ib->ptr[ib->length_dw++] = byte_count - 1;
ib->ptr[ib->length_dw++] = 0; /* src/dst endian swap */
ib->ptr[ib->length_dw++] = lower_32_bits(src_offset);
ib->ptr[ib->length_dw++] = upper_32_bits(src_offset);
ib->ptr[ib->length_dw++] = lower_32_bits(dst_offset);
ib->ptr[ib->length_dw++] = upper_32_bits(dst_offset);
}
/**
* sdma_v4_0_emit_fill_buffer - fill buffer using the sDMA engine
*
* @ring: amdgpu_ring structure holding ring information
* @src_data: value to write to buffer
* @dst_offset: dst GPU address
* @byte_count: number of bytes to xfer
*
* Fill GPU buffers using the DMA engine (VEGA10/12).
*/
static void sdma_v4_0_emit_fill_buffer(struct amdgpu_ib *ib,
uint32_t src_data,
uint64_t dst_offset,
uint32_t byte_count)
{
ib->ptr[ib->length_dw++] = SDMA_PKT_HEADER_OP(SDMA_OP_CONST_FILL);
ib->ptr[ib->length_dw++] = lower_32_bits(dst_offset);
ib->ptr[ib->length_dw++] = upper_32_bits(dst_offset);
ib->ptr[ib->length_dw++] = src_data;
ib->ptr[ib->length_dw++] = byte_count - 1;
}
static const struct amdgpu_buffer_funcs sdma_v4_0_buffer_funcs = {
.copy_max_bytes = 0x400000,
.copy_num_dw = 7,
.emit_copy_buffer = sdma_v4_0_emit_copy_buffer,
.fill_max_bytes = 0x400000,
.fill_num_dw = 5,
.emit_fill_buffer = sdma_v4_0_emit_fill_buffer,
};
static void sdma_v4_0_set_buffer_funcs(struct amdgpu_device *adev)
{
adev->mman.buffer_funcs = &sdma_v4_0_buffer_funcs;
if (adev->sdma.has_page_queue && adev->sdma.num_instances > 1)
adev->mman.buffer_funcs_ring = &adev->sdma.instance[1].page;
else
adev->mman.buffer_funcs_ring = &adev->sdma.instance[0].ring;
}
static const struct amdgpu_vm_pte_funcs sdma_v4_0_vm_pte_funcs = {
.copy_pte_num_dw = 7,
.copy_pte = sdma_v4_0_vm_copy_pte,
.write_pte = sdma_v4_0_vm_write_pte,
.set_pte_pde = sdma_v4_0_vm_set_pte_pde,
};
static void sdma_v4_0_set_vm_pte_funcs(struct amdgpu_device *adev)
{
struct drm_gpu_scheduler *sched;
unsigned i;
adev->vm_manager.vm_pte_funcs = &sdma_v4_0_vm_pte_funcs;
if (adev->sdma.has_page_queue && adev->sdma.num_instances > 1) {
for (i = 1; i < adev->sdma.num_instances; i++) {
sched = &adev->sdma.instance[i].page.sched;
adev->vm_manager.vm_pte_rqs[i - 1] =
&sched->sched_rq[DRM_SCHED_PRIORITY_KERNEL];
}
adev->vm_manager.vm_pte_num_rqs = adev->sdma.num_instances - 1;
adev->vm_manager.page_fault = &adev->sdma.instance[0].page;
} else {
for (i = 0; i < adev->sdma.num_instances; i++) {
sched = &adev->sdma.instance[i].ring.sched;
adev->vm_manager.vm_pte_rqs[i] =
&sched->sched_rq[DRM_SCHED_PRIORITY_KERNEL];
}
adev->vm_manager.vm_pte_num_rqs = adev->sdma.num_instances;
}
}
const struct amdgpu_ip_block_version sdma_v4_0_ip_block = {
.type = AMD_IP_BLOCK_TYPE_SDMA,
.major = 4,
.minor = 0,
.rev = 0,
.funcs = &sdma_v4_0_ip_funcs,
};
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