OpenCloudOS-Kernel/drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c

1111 lines
30 KiB
C

/*
* Copyright 2014 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.
*
* Authors: Christian König <christian.koenig@amd.com>
*/
#include <linux/firmware.h>
#include <drm/drmP.h>
#include "amdgpu.h"
#include "amdgpu_uvd.h"
#include "vid.h"
#include "uvd/uvd_6_0_d.h"
#include "uvd/uvd_6_0_sh_mask.h"
#include "oss/oss_2_0_d.h"
#include "oss/oss_2_0_sh_mask.h"
#include "smu/smu_7_1_3_d.h"
#include "smu/smu_7_1_3_sh_mask.h"
#include "bif/bif_5_1_d.h"
#include "gmc/gmc_8_1_d.h"
#include "vi.h"
static void uvd_v6_0_set_ring_funcs(struct amdgpu_device *adev);
static void uvd_v6_0_set_irq_funcs(struct amdgpu_device *adev);
static int uvd_v6_0_start(struct amdgpu_device *adev);
static void uvd_v6_0_stop(struct amdgpu_device *adev);
static void uvd_v6_0_set_sw_clock_gating(struct amdgpu_device *adev);
/**
* uvd_v6_0_ring_get_rptr - get read pointer
*
* @ring: amdgpu_ring pointer
*
* Returns the current hardware read pointer
*/
static uint32_t uvd_v6_0_ring_get_rptr(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
return RREG32(mmUVD_RBC_RB_RPTR);
}
/**
* uvd_v6_0_ring_get_wptr - get write pointer
*
* @ring: amdgpu_ring pointer
*
* Returns the current hardware write pointer
*/
static uint32_t uvd_v6_0_ring_get_wptr(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
return RREG32(mmUVD_RBC_RB_WPTR);
}
/**
* uvd_v6_0_ring_set_wptr - set write pointer
*
* @ring: amdgpu_ring pointer
*
* Commits the write pointer to the hardware
*/
static void uvd_v6_0_ring_set_wptr(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
WREG32(mmUVD_RBC_RB_WPTR, ring->wptr);
}
static int uvd_v6_0_early_init(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
uvd_v6_0_set_ring_funcs(adev);
uvd_v6_0_set_irq_funcs(adev);
return 0;
}
static int uvd_v6_0_sw_init(void *handle)
{
struct amdgpu_ring *ring;
int r;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
/* UVD TRAP */
r = amdgpu_irq_add_id(adev, 124, &adev->uvd.irq);
if (r)
return r;
r = amdgpu_uvd_sw_init(adev);
if (r)
return r;
r = amdgpu_uvd_resume(adev);
if (r)
return r;
ring = &adev->uvd.ring;
sprintf(ring->name, "uvd");
r = amdgpu_ring_init(adev, ring, 512, PACKET0(mmUVD_NO_OP, 0), 0xf,
&adev->uvd.irq, 0, AMDGPU_RING_TYPE_UVD);
return r;
}
static int uvd_v6_0_sw_fini(void *handle)
{
int r;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
r = amdgpu_uvd_suspend(adev);
if (r)
return r;
r = amdgpu_uvd_sw_fini(adev);
if (r)
return r;
return r;
}
/**
* uvd_v6_0_hw_init - start and test UVD block
*
* @adev: amdgpu_device pointer
*
* Initialize the hardware, boot up the VCPU and do some testing
*/
static int uvd_v6_0_hw_init(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
struct amdgpu_ring *ring = &adev->uvd.ring;
uint32_t tmp;
int r;
r = uvd_v6_0_start(adev);
if (r)
goto done;
ring->ready = true;
r = amdgpu_ring_test_ring(ring);
if (r) {
ring->ready = false;
goto done;
}
r = amdgpu_ring_alloc(ring, 10);
if (r) {
DRM_ERROR("amdgpu: ring failed to lock UVD ring (%d).\n", r);
goto done;
}
tmp = PACKET0(mmUVD_SEMA_WAIT_FAULT_TIMEOUT_CNTL, 0);
amdgpu_ring_write(ring, tmp);
amdgpu_ring_write(ring, 0xFFFFF);
tmp = PACKET0(mmUVD_SEMA_WAIT_INCOMPLETE_TIMEOUT_CNTL, 0);
amdgpu_ring_write(ring, tmp);
amdgpu_ring_write(ring, 0xFFFFF);
tmp = PACKET0(mmUVD_SEMA_SIGNAL_INCOMPLETE_TIMEOUT_CNTL, 0);
amdgpu_ring_write(ring, tmp);
amdgpu_ring_write(ring, 0xFFFFF);
/* Clear timeout status bits */
amdgpu_ring_write(ring, PACKET0(mmUVD_SEMA_TIMEOUT_STATUS, 0));
amdgpu_ring_write(ring, 0x8);
amdgpu_ring_write(ring, PACKET0(mmUVD_SEMA_CNTL, 0));
amdgpu_ring_write(ring, 3);
amdgpu_ring_commit(ring);
done:
if (!r)
DRM_INFO("UVD initialized successfully.\n");
return r;
}
/**
* uvd_v6_0_hw_fini - stop the hardware block
*
* @adev: amdgpu_device pointer
*
* Stop the UVD block, mark ring as not ready any more
*/
static int uvd_v6_0_hw_fini(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
struct amdgpu_ring *ring = &adev->uvd.ring;
uvd_v6_0_stop(adev);
ring->ready = false;
return 0;
}
static int uvd_v6_0_suspend(void *handle)
{
int r;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
r = uvd_v6_0_hw_fini(adev);
if (r)
return r;
/* Skip this for APU for now */
if (!(adev->flags & AMD_IS_APU)) {
r = amdgpu_uvd_suspend(adev);
if (r)
return r;
}
return r;
}
static int uvd_v6_0_resume(void *handle)
{
int r;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
/* Skip this for APU for now */
if (!(adev->flags & AMD_IS_APU)) {
r = amdgpu_uvd_resume(adev);
if (r)
return r;
}
r = uvd_v6_0_hw_init(adev);
if (r)
return r;
return r;
}
/**
* uvd_v6_0_mc_resume - memory controller programming
*
* @adev: amdgpu_device pointer
*
* Let the UVD memory controller know it's offsets
*/
static void uvd_v6_0_mc_resume(struct amdgpu_device *adev)
{
uint64_t offset;
uint32_t size;
/* programm memory controller bits 0-27 */
WREG32(mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW,
lower_32_bits(adev->uvd.gpu_addr));
WREG32(mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH,
upper_32_bits(adev->uvd.gpu_addr));
offset = AMDGPU_UVD_FIRMWARE_OFFSET;
size = AMDGPU_GPU_PAGE_ALIGN(adev->uvd.fw->size + 4);
WREG32(mmUVD_VCPU_CACHE_OFFSET0, offset >> 3);
WREG32(mmUVD_VCPU_CACHE_SIZE0, size);
offset += size;
size = AMDGPU_UVD_HEAP_SIZE;
WREG32(mmUVD_VCPU_CACHE_OFFSET1, offset >> 3);
WREG32(mmUVD_VCPU_CACHE_SIZE1, size);
offset += size;
size = AMDGPU_UVD_STACK_SIZE +
(AMDGPU_UVD_SESSION_SIZE * adev->uvd.max_handles);
WREG32(mmUVD_VCPU_CACHE_OFFSET2, offset >> 3);
WREG32(mmUVD_VCPU_CACHE_SIZE2, size);
WREG32(mmUVD_UDEC_ADDR_CONFIG, adev->gfx.config.gb_addr_config);
WREG32(mmUVD_UDEC_DB_ADDR_CONFIG, adev->gfx.config.gb_addr_config);
WREG32(mmUVD_UDEC_DBW_ADDR_CONFIG, adev->gfx.config.gb_addr_config);
WREG32(mmUVD_GP_SCRATCH4, adev->uvd.max_handles);
}
#if 0
static void cz_set_uvd_clock_gating_branches(struct amdgpu_device *adev,
bool enable)
{
u32 data, data1;
data = RREG32(mmUVD_CGC_GATE);
data1 = RREG32(mmUVD_SUVD_CGC_GATE);
if (enable) {
data |= UVD_CGC_GATE__SYS_MASK |
UVD_CGC_GATE__UDEC_MASK |
UVD_CGC_GATE__MPEG2_MASK |
UVD_CGC_GATE__RBC_MASK |
UVD_CGC_GATE__LMI_MC_MASK |
UVD_CGC_GATE__IDCT_MASK |
UVD_CGC_GATE__MPRD_MASK |
UVD_CGC_GATE__MPC_MASK |
UVD_CGC_GATE__LBSI_MASK |
UVD_CGC_GATE__LRBBM_MASK |
UVD_CGC_GATE__UDEC_RE_MASK |
UVD_CGC_GATE__UDEC_CM_MASK |
UVD_CGC_GATE__UDEC_IT_MASK |
UVD_CGC_GATE__UDEC_DB_MASK |
UVD_CGC_GATE__UDEC_MP_MASK |
UVD_CGC_GATE__WCB_MASK |
UVD_CGC_GATE__VCPU_MASK |
UVD_CGC_GATE__SCPU_MASK;
data1 |= UVD_SUVD_CGC_GATE__SRE_MASK |
UVD_SUVD_CGC_GATE__SIT_MASK |
UVD_SUVD_CGC_GATE__SMP_MASK |
UVD_SUVD_CGC_GATE__SCM_MASK |
UVD_SUVD_CGC_GATE__SDB_MASK |
UVD_SUVD_CGC_GATE__SRE_H264_MASK |
UVD_SUVD_CGC_GATE__SRE_HEVC_MASK |
UVD_SUVD_CGC_GATE__SIT_H264_MASK |
UVD_SUVD_CGC_GATE__SIT_HEVC_MASK |
UVD_SUVD_CGC_GATE__SCM_H264_MASK |
UVD_SUVD_CGC_GATE__SCM_HEVC_MASK |
UVD_SUVD_CGC_GATE__SDB_H264_MASK |
UVD_SUVD_CGC_GATE__SDB_HEVC_MASK;
} else {
data &= ~(UVD_CGC_GATE__SYS_MASK |
UVD_CGC_GATE__UDEC_MASK |
UVD_CGC_GATE__MPEG2_MASK |
UVD_CGC_GATE__RBC_MASK |
UVD_CGC_GATE__LMI_MC_MASK |
UVD_CGC_GATE__LMI_UMC_MASK |
UVD_CGC_GATE__IDCT_MASK |
UVD_CGC_GATE__MPRD_MASK |
UVD_CGC_GATE__MPC_MASK |
UVD_CGC_GATE__LBSI_MASK |
UVD_CGC_GATE__LRBBM_MASK |
UVD_CGC_GATE__UDEC_RE_MASK |
UVD_CGC_GATE__UDEC_CM_MASK |
UVD_CGC_GATE__UDEC_IT_MASK |
UVD_CGC_GATE__UDEC_DB_MASK |
UVD_CGC_GATE__UDEC_MP_MASK |
UVD_CGC_GATE__WCB_MASK |
UVD_CGC_GATE__VCPU_MASK |
UVD_CGC_GATE__SCPU_MASK);
data1 &= ~(UVD_SUVD_CGC_GATE__SRE_MASK |
UVD_SUVD_CGC_GATE__SIT_MASK |
UVD_SUVD_CGC_GATE__SMP_MASK |
UVD_SUVD_CGC_GATE__SCM_MASK |
UVD_SUVD_CGC_GATE__SDB_MASK |
UVD_SUVD_CGC_GATE__SRE_H264_MASK |
UVD_SUVD_CGC_GATE__SRE_HEVC_MASK |
UVD_SUVD_CGC_GATE__SIT_H264_MASK |
UVD_SUVD_CGC_GATE__SIT_HEVC_MASK |
UVD_SUVD_CGC_GATE__SCM_H264_MASK |
UVD_SUVD_CGC_GATE__SCM_HEVC_MASK |
UVD_SUVD_CGC_GATE__SDB_H264_MASK |
UVD_SUVD_CGC_GATE__SDB_HEVC_MASK);
}
WREG32(mmUVD_CGC_GATE, data);
WREG32(mmUVD_SUVD_CGC_GATE, data1);
}
#endif
/**
* uvd_v6_0_start - start UVD block
*
* @adev: amdgpu_device pointer
*
* Setup and start the UVD block
*/
static int uvd_v6_0_start(struct amdgpu_device *adev)
{
struct amdgpu_ring *ring = &adev->uvd.ring;
uint32_t rb_bufsz, tmp;
uint32_t lmi_swap_cntl;
uint32_t mp_swap_cntl;
int i, j, r;
/* disable DPG */
WREG32_P(mmUVD_POWER_STATUS, 0, ~UVD_POWER_STATUS__UVD_PG_MODE_MASK);
/* disable byte swapping */
lmi_swap_cntl = 0;
mp_swap_cntl = 0;
uvd_v6_0_mc_resume(adev);
/* disable clock gating */
WREG32_FIELD(UVD_CGC_CTRL, DYN_CLOCK_MODE, 0);
/* disable interupt */
WREG32_FIELD(UVD_MASTINT_EN, VCPU_EN, 0);
/* stall UMC and register bus before resetting VCPU */
WREG32_FIELD(UVD_LMI_CTRL2, STALL_ARB_UMC, 1);
mdelay(1);
/* put LMI, VCPU, RBC etc... into reset */
WREG32(mmUVD_SOFT_RESET,
UVD_SOFT_RESET__LMI_SOFT_RESET_MASK |
UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK |
UVD_SOFT_RESET__LBSI_SOFT_RESET_MASK |
UVD_SOFT_RESET__RBC_SOFT_RESET_MASK |
UVD_SOFT_RESET__CSM_SOFT_RESET_MASK |
UVD_SOFT_RESET__CXW_SOFT_RESET_MASK |
UVD_SOFT_RESET__TAP_SOFT_RESET_MASK |
UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK);
mdelay(5);
/* take UVD block out of reset */
WREG32_FIELD(SRBM_SOFT_RESET, SOFT_RESET_UVD, 0);
mdelay(5);
/* initialize UVD memory controller */
WREG32(mmUVD_LMI_CTRL,
(0x40 << UVD_LMI_CTRL__WRITE_CLEAN_TIMER__SHIFT) |
UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK |
UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK |
UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK |
UVD_LMI_CTRL__REQ_MODE_MASK |
UVD_LMI_CTRL__DISABLE_ON_FWV_FAIL_MASK);
#ifdef __BIG_ENDIAN
/* swap (8 in 32) RB and IB */
lmi_swap_cntl = 0xa;
mp_swap_cntl = 0;
#endif
WREG32(mmUVD_LMI_SWAP_CNTL, lmi_swap_cntl);
WREG32(mmUVD_MP_SWAP_CNTL, mp_swap_cntl);
WREG32(mmUVD_MPC_SET_MUXA0, 0x40c2040);
WREG32(mmUVD_MPC_SET_MUXA1, 0x0);
WREG32(mmUVD_MPC_SET_MUXB0, 0x40c2040);
WREG32(mmUVD_MPC_SET_MUXB1, 0x0);
WREG32(mmUVD_MPC_SET_ALU, 0);
WREG32(mmUVD_MPC_SET_MUX, 0x88);
/* take all subblocks out of reset, except VCPU */
WREG32(mmUVD_SOFT_RESET, UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
mdelay(5);
/* enable VCPU clock */
WREG32(mmUVD_VCPU_CNTL, UVD_VCPU_CNTL__CLK_EN_MASK);
/* enable UMC */
WREG32_FIELD(UVD_LMI_CTRL2, STALL_ARB_UMC, 0);
/* boot up the VCPU */
WREG32(mmUVD_SOFT_RESET, 0);
mdelay(10);
for (i = 0; i < 10; ++i) {
uint32_t status;
for (j = 0; j < 100; ++j) {
status = RREG32(mmUVD_STATUS);
if (status & 2)
break;
mdelay(10);
}
r = 0;
if (status & 2)
break;
DRM_ERROR("UVD not responding, trying to reset the VCPU!!!\n");
WREG32_FIELD(UVD_SOFT_RESET, VCPU_SOFT_RESET, 1);
mdelay(10);
WREG32_FIELD(UVD_SOFT_RESET, VCPU_SOFT_RESET, 0);
mdelay(10);
r = -1;
}
if (r) {
DRM_ERROR("UVD not responding, giving up!!!\n");
return r;
}
/* enable master interrupt */
WREG32_P(mmUVD_MASTINT_EN,
(UVD_MASTINT_EN__VCPU_EN_MASK|UVD_MASTINT_EN__SYS_EN_MASK),
~(UVD_MASTINT_EN__VCPU_EN_MASK|UVD_MASTINT_EN__SYS_EN_MASK));
/* clear the bit 4 of UVD_STATUS */
WREG32_P(mmUVD_STATUS, 0, ~(2 << UVD_STATUS__VCPU_REPORT__SHIFT));
/* force RBC into idle state */
rb_bufsz = order_base_2(ring->ring_size);
tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz);
tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1);
tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1);
tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_WPTR_POLL_EN, 0);
tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1);
tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1);
WREG32(mmUVD_RBC_RB_CNTL, tmp);
/* set the write pointer delay */
WREG32(mmUVD_RBC_RB_WPTR_CNTL, 0);
/* set the wb address */
WREG32(mmUVD_RBC_RB_RPTR_ADDR, (upper_32_bits(ring->gpu_addr) >> 2));
/* programm the RB_BASE for ring buffer */
WREG32(mmUVD_LMI_RBC_RB_64BIT_BAR_LOW,
lower_32_bits(ring->gpu_addr));
WREG32(mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH,
upper_32_bits(ring->gpu_addr));
/* Initialize the ring buffer's read and write pointers */
WREG32(mmUVD_RBC_RB_RPTR, 0);
ring->wptr = RREG32(mmUVD_RBC_RB_RPTR);
WREG32(mmUVD_RBC_RB_WPTR, ring->wptr);
WREG32_FIELD(UVD_RBC_RB_CNTL, RB_NO_FETCH, 0);
return 0;
}
/**
* uvd_v6_0_stop - stop UVD block
*
* @adev: amdgpu_device pointer
*
* stop the UVD block
*/
static void uvd_v6_0_stop(struct amdgpu_device *adev)
{
/* force RBC into idle state */
WREG32(mmUVD_RBC_RB_CNTL, 0x11010101);
/* Stall UMC and register bus before resetting VCPU */
WREG32_P(mmUVD_LMI_CTRL2, 1 << 8, ~(1 << 8));
mdelay(1);
/* put VCPU into reset */
WREG32(mmUVD_SOFT_RESET, UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK);
mdelay(5);
/* disable VCPU clock */
WREG32(mmUVD_VCPU_CNTL, 0x0);
/* Unstall UMC and register bus */
WREG32_P(mmUVD_LMI_CTRL2, 0, ~(1 << 8));
}
/**
* uvd_v6_0_ring_emit_fence - emit an fence & trap command
*
* @ring: amdgpu_ring pointer
* @fence: fence to emit
*
* Write a fence and a trap command to the ring.
*/
static void uvd_v6_0_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
unsigned flags)
{
WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
amdgpu_ring_write(ring, PACKET0(mmUVD_CONTEXT_ID, 0));
amdgpu_ring_write(ring, seq);
amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA0, 0));
amdgpu_ring_write(ring, addr & 0xffffffff);
amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA1, 0));
amdgpu_ring_write(ring, upper_32_bits(addr) & 0xff);
amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_CMD, 0));
amdgpu_ring_write(ring, 0);
amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA0, 0));
amdgpu_ring_write(ring, 0);
amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA1, 0));
amdgpu_ring_write(ring, 0);
amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_CMD, 0));
amdgpu_ring_write(ring, 2);
}
/**
* uvd_v6_0_ring_emit_hdp_flush - emit an hdp flush
*
* @ring: amdgpu_ring pointer
*
* Emits an hdp flush.
*/
static void uvd_v6_0_ring_emit_hdp_flush(struct amdgpu_ring *ring)
{
amdgpu_ring_write(ring, PACKET0(mmHDP_MEM_COHERENCY_FLUSH_CNTL, 0));
amdgpu_ring_write(ring, 0);
}
/**
* uvd_v6_0_ring_hdp_invalidate - emit an hdp invalidate
*
* @ring: amdgpu_ring pointer
*
* Emits an hdp invalidate.
*/
static void uvd_v6_0_ring_emit_hdp_invalidate(struct amdgpu_ring *ring)
{
amdgpu_ring_write(ring, PACKET0(mmHDP_DEBUG0, 0));
amdgpu_ring_write(ring, 1);
}
/**
* uvd_v6_0_ring_test_ring - register write test
*
* @ring: amdgpu_ring pointer
*
* Test if we can successfully write to the context register
*/
static int uvd_v6_0_ring_test_ring(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
uint32_t tmp = 0;
unsigned i;
int r;
WREG32(mmUVD_CONTEXT_ID, 0xCAFEDEAD);
r = amdgpu_ring_alloc(ring, 3);
if (r) {
DRM_ERROR("amdgpu: cp failed to lock ring %d (%d).\n",
ring->idx, r);
return r;
}
amdgpu_ring_write(ring, PACKET0(mmUVD_CONTEXT_ID, 0));
amdgpu_ring_write(ring, 0xDEADBEEF);
amdgpu_ring_commit(ring);
for (i = 0; i < adev->usec_timeout; i++) {
tmp = RREG32(mmUVD_CONTEXT_ID);
if (tmp == 0xDEADBEEF)
break;
DRM_UDELAY(1);
}
if (i < adev->usec_timeout) {
DRM_INFO("ring test on %d succeeded in %d usecs\n",
ring->idx, i);
} else {
DRM_ERROR("amdgpu: ring %d test failed (0x%08X)\n",
ring->idx, tmp);
r = -EINVAL;
}
return r;
}
/**
* uvd_v6_0_ring_emit_ib - execute indirect buffer
*
* @ring: amdgpu_ring pointer
* @ib: indirect buffer to execute
*
* Write ring commands to execute the indirect buffer
*/
static void uvd_v6_0_ring_emit_ib(struct amdgpu_ring *ring,
struct amdgpu_ib *ib,
unsigned vm_id, bool ctx_switch)
{
amdgpu_ring_write(ring, PACKET0(mmUVD_LMI_RBC_IB_VMID, 0));
amdgpu_ring_write(ring, vm_id);
amdgpu_ring_write(ring, PACKET0(mmUVD_LMI_RBC_IB_64BIT_BAR_LOW, 0));
amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));
amdgpu_ring_write(ring, PACKET0(mmUVD_LMI_RBC_IB_64BIT_BAR_HIGH, 0));
amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
amdgpu_ring_write(ring, PACKET0(mmUVD_RBC_IB_SIZE, 0));
amdgpu_ring_write(ring, ib->length_dw);
}
static void uvd_v6_0_ring_emit_vm_flush(struct amdgpu_ring *ring,
unsigned vm_id, uint64_t pd_addr)
{
uint32_t reg;
if (vm_id < 8)
reg = mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR + vm_id;
else
reg = mmVM_CONTEXT8_PAGE_TABLE_BASE_ADDR + vm_id - 8;
amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA0, 0));
amdgpu_ring_write(ring, reg << 2);
amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA1, 0));
amdgpu_ring_write(ring, pd_addr >> 12);
amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_CMD, 0));
amdgpu_ring_write(ring, 0x8);
amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA0, 0));
amdgpu_ring_write(ring, mmVM_INVALIDATE_REQUEST << 2);
amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA1, 0));
amdgpu_ring_write(ring, 1 << vm_id);
amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_CMD, 0));
amdgpu_ring_write(ring, 0x8);
amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA0, 0));
amdgpu_ring_write(ring, mmVM_INVALIDATE_REQUEST << 2);
amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA1, 0));
amdgpu_ring_write(ring, 0);
amdgpu_ring_write(ring, PACKET0(mmUVD_GP_SCRATCH8, 0));
amdgpu_ring_write(ring, 1 << vm_id); /* mask */
amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_CMD, 0));
amdgpu_ring_write(ring, 0xC);
}
static void uvd_v6_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;
amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA0, 0));
amdgpu_ring_write(ring, lower_32_bits(addr));
amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA1, 0));
amdgpu_ring_write(ring, upper_32_bits(addr));
amdgpu_ring_write(ring, PACKET0(mmUVD_GP_SCRATCH8, 0));
amdgpu_ring_write(ring, 0xffffffff); /* mask */
amdgpu_ring_write(ring, PACKET0(mmUVD_GP_SCRATCH9, 0));
amdgpu_ring_write(ring, seq);
amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_CMD, 0));
amdgpu_ring_write(ring, 0xE);
}
static unsigned uvd_v6_0_ring_get_emit_ib_size(struct amdgpu_ring *ring)
{
return
8; /* uvd_v6_0_ring_emit_ib */
}
static unsigned uvd_v6_0_ring_get_dma_frame_size(struct amdgpu_ring *ring)
{
return
2 + /* uvd_v6_0_ring_emit_hdp_flush */
2 + /* uvd_v6_0_ring_emit_hdp_invalidate */
10 + /* uvd_v6_0_ring_emit_pipeline_sync */
14; /* uvd_v6_0_ring_emit_fence x1 no user fence */
}
static unsigned uvd_v6_0_ring_get_dma_frame_size_vm(struct amdgpu_ring *ring)
{
return
2 + /* uvd_v6_0_ring_emit_hdp_flush */
2 + /* uvd_v6_0_ring_emit_hdp_invalidate */
10 + /* uvd_v6_0_ring_emit_pipeline_sync */
20 + /* uvd_v6_0_ring_emit_vm_flush */
14 + 14; /* uvd_v6_0_ring_emit_fence x2 vm fence */
}
static bool uvd_v6_0_is_idle(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
return !(RREG32(mmSRBM_STATUS) & SRBM_STATUS__UVD_BUSY_MASK);
}
static int uvd_v6_0_wait_for_idle(void *handle)
{
unsigned i;
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
for (i = 0; i < adev->usec_timeout; i++) {
if (uvd_v6_0_is_idle(handle))
return 0;
}
return -ETIMEDOUT;
}
#define AMDGPU_UVD_STATUS_BUSY_MASK 0xfd
static bool uvd_v6_0_check_soft_reset(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
u32 srbm_soft_reset = 0;
u32 tmp = RREG32(mmSRBM_STATUS);
if (REG_GET_FIELD(tmp, SRBM_STATUS, UVD_RQ_PENDING) ||
REG_GET_FIELD(tmp, SRBM_STATUS, UVD_BUSY) ||
(RREG32(mmUVD_STATUS) & AMDGPU_UVD_STATUS_BUSY_MASK))
srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_UVD, 1);
if (srbm_soft_reset) {
adev->uvd.srbm_soft_reset = srbm_soft_reset;
return true;
} else {
adev->uvd.srbm_soft_reset = 0;
return false;
}
}
static int uvd_v6_0_pre_soft_reset(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
if (!adev->uvd.srbm_soft_reset)
return 0;
uvd_v6_0_stop(adev);
return 0;
}
static int uvd_v6_0_soft_reset(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
u32 srbm_soft_reset;
if (!adev->uvd.srbm_soft_reset)
return 0;
srbm_soft_reset = adev->uvd.srbm_soft_reset;
if (srbm_soft_reset) {
u32 tmp;
tmp = RREG32(mmSRBM_SOFT_RESET);
tmp |= srbm_soft_reset;
dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
WREG32(mmSRBM_SOFT_RESET, tmp);
tmp = RREG32(mmSRBM_SOFT_RESET);
udelay(50);
tmp &= ~srbm_soft_reset;
WREG32(mmSRBM_SOFT_RESET, tmp);
tmp = RREG32(mmSRBM_SOFT_RESET);
/* Wait a little for things to settle down */
udelay(50);
}
return 0;
}
static int uvd_v6_0_post_soft_reset(void *handle)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
if (!adev->uvd.srbm_soft_reset)
return 0;
mdelay(5);
return uvd_v6_0_start(adev);
}
static int uvd_v6_0_set_interrupt_state(struct amdgpu_device *adev,
struct amdgpu_irq_src *source,
unsigned type,
enum amdgpu_interrupt_state state)
{
// TODO
return 0;
}
static int uvd_v6_0_process_interrupt(struct amdgpu_device *adev,
struct amdgpu_irq_src *source,
struct amdgpu_iv_entry *entry)
{
DRM_DEBUG("IH: UVD TRAP\n");
amdgpu_fence_process(&adev->uvd.ring);
return 0;
}
static void uvd_v6_0_set_sw_clock_gating(struct amdgpu_device *adev)
{
uint32_t data, data1, data2, suvd_flags;
data = RREG32(mmUVD_CGC_CTRL);
data1 = RREG32(mmUVD_SUVD_CGC_GATE);
data2 = RREG32(mmUVD_SUVD_CGC_CTRL);
data &= ~(UVD_CGC_CTRL__CLK_OFF_DELAY_MASK |
UVD_CGC_CTRL__CLK_GATE_DLY_TIMER_MASK);
suvd_flags = UVD_SUVD_CGC_GATE__SRE_MASK |
UVD_SUVD_CGC_GATE__SIT_MASK |
UVD_SUVD_CGC_GATE__SMP_MASK |
UVD_SUVD_CGC_GATE__SCM_MASK |
UVD_SUVD_CGC_GATE__SDB_MASK;
data |= UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK |
(1 << REG_FIELD_SHIFT(UVD_CGC_CTRL, CLK_GATE_DLY_TIMER)) |
(4 << REG_FIELD_SHIFT(UVD_CGC_CTRL, CLK_OFF_DELAY));
data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK |
UVD_CGC_CTRL__UDEC_CM_MODE_MASK |
UVD_CGC_CTRL__UDEC_IT_MODE_MASK |
UVD_CGC_CTRL__UDEC_DB_MODE_MASK |
UVD_CGC_CTRL__UDEC_MP_MODE_MASK |
UVD_CGC_CTRL__SYS_MODE_MASK |
UVD_CGC_CTRL__UDEC_MODE_MASK |
UVD_CGC_CTRL__MPEG2_MODE_MASK |
UVD_CGC_CTRL__REGS_MODE_MASK |
UVD_CGC_CTRL__RBC_MODE_MASK |
UVD_CGC_CTRL__LMI_MC_MODE_MASK |
UVD_CGC_CTRL__LMI_UMC_MODE_MASK |
UVD_CGC_CTRL__IDCT_MODE_MASK |
UVD_CGC_CTRL__MPRD_MODE_MASK |
UVD_CGC_CTRL__MPC_MODE_MASK |
UVD_CGC_CTRL__LBSI_MODE_MASK |
UVD_CGC_CTRL__LRBBM_MODE_MASK |
UVD_CGC_CTRL__WCB_MODE_MASK |
UVD_CGC_CTRL__VCPU_MODE_MASK |
UVD_CGC_CTRL__JPEG_MODE_MASK |
UVD_CGC_CTRL__SCPU_MODE_MASK |
UVD_CGC_CTRL__JPEG2_MODE_MASK);
data2 &= ~(UVD_SUVD_CGC_CTRL__SRE_MODE_MASK |
UVD_SUVD_CGC_CTRL__SIT_MODE_MASK |
UVD_SUVD_CGC_CTRL__SMP_MODE_MASK |
UVD_SUVD_CGC_CTRL__SCM_MODE_MASK |
UVD_SUVD_CGC_CTRL__SDB_MODE_MASK);
data1 |= suvd_flags;
WREG32(mmUVD_CGC_CTRL, data);
WREG32(mmUVD_CGC_GATE, 0);
WREG32(mmUVD_SUVD_CGC_GATE, data1);
WREG32(mmUVD_SUVD_CGC_CTRL, data2);
}
#if 0
static void uvd_v6_0_set_hw_clock_gating(struct amdgpu_device *adev)
{
uint32_t data, data1, cgc_flags, suvd_flags;
data = RREG32(mmUVD_CGC_GATE);
data1 = RREG32(mmUVD_SUVD_CGC_GATE);
cgc_flags = UVD_CGC_GATE__SYS_MASK |
UVD_CGC_GATE__UDEC_MASK |
UVD_CGC_GATE__MPEG2_MASK |
UVD_CGC_GATE__RBC_MASK |
UVD_CGC_GATE__LMI_MC_MASK |
UVD_CGC_GATE__IDCT_MASK |
UVD_CGC_GATE__MPRD_MASK |
UVD_CGC_GATE__MPC_MASK |
UVD_CGC_GATE__LBSI_MASK |
UVD_CGC_GATE__LRBBM_MASK |
UVD_CGC_GATE__UDEC_RE_MASK |
UVD_CGC_GATE__UDEC_CM_MASK |
UVD_CGC_GATE__UDEC_IT_MASK |
UVD_CGC_GATE__UDEC_DB_MASK |
UVD_CGC_GATE__UDEC_MP_MASK |
UVD_CGC_GATE__WCB_MASK |
UVD_CGC_GATE__VCPU_MASK |
UVD_CGC_GATE__SCPU_MASK |
UVD_CGC_GATE__JPEG_MASK |
UVD_CGC_GATE__JPEG2_MASK;
suvd_flags = UVD_SUVD_CGC_GATE__SRE_MASK |
UVD_SUVD_CGC_GATE__SIT_MASK |
UVD_SUVD_CGC_GATE__SMP_MASK |
UVD_SUVD_CGC_GATE__SCM_MASK |
UVD_SUVD_CGC_GATE__SDB_MASK;
data |= cgc_flags;
data1 |= suvd_flags;
WREG32(mmUVD_CGC_GATE, data);
WREG32(mmUVD_SUVD_CGC_GATE, data1);
}
#endif
static void uvd_v6_set_bypass_mode(struct amdgpu_device *adev, bool enable)
{
u32 tmp = RREG32_SMC(ixGCK_DFS_BYPASS_CNTL);
if (enable)
tmp |= (GCK_DFS_BYPASS_CNTL__BYPASSDCLK_MASK |
GCK_DFS_BYPASS_CNTL__BYPASSVCLK_MASK);
else
tmp &= ~(GCK_DFS_BYPASS_CNTL__BYPASSDCLK_MASK |
GCK_DFS_BYPASS_CNTL__BYPASSVCLK_MASK);
WREG32_SMC(ixGCK_DFS_BYPASS_CNTL, tmp);
}
static int uvd_v6_0_set_clockgating_state(void *handle,
enum amd_clockgating_state state)
{
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
if (adev->asic_type == CHIP_FIJI ||
adev->asic_type == CHIP_POLARIS10)
uvd_v6_set_bypass_mode(adev, state == AMD_CG_STATE_GATE ? true : false);
if (!(adev->cg_flags & AMD_CG_SUPPORT_UVD_MGCG))
return 0;
if (state == AMD_CG_STATE_GATE) {
/* disable HW gating and enable Sw gating */
uvd_v6_0_set_sw_clock_gating(adev);
} else {
/* wait for STATUS to clear */
if (uvd_v6_0_wait_for_idle(handle))
return -EBUSY;
/* enable HW gates because UVD is idle */
/* uvd_v6_0_set_hw_clock_gating(adev); */
}
return 0;
}
static int uvd_v6_0_set_powergating_state(void *handle,
enum amd_powergating_state state)
{
/* This doesn't actually powergate the UVD block.
* That's done in the dpm code via the SMC. This
* just re-inits the block as necessary. The actual
* gating still happens in the dpm code. We should
* revisit this when there is a cleaner line between
* the smc and the hw blocks
*/
struct amdgpu_device *adev = (struct amdgpu_device *)handle;
if (!(adev->pg_flags & AMD_PG_SUPPORT_UVD))
return 0;
WREG32(mmUVD_POWER_STATUS, UVD_POWER_STATUS__UVD_PG_EN_MASK);
if (state == AMD_PG_STATE_GATE) {
uvd_v6_0_stop(adev);
return 0;
} else {
return uvd_v6_0_start(adev);
}
}
const struct amd_ip_funcs uvd_v6_0_ip_funcs = {
.name = "uvd_v6_0",
.early_init = uvd_v6_0_early_init,
.late_init = NULL,
.sw_init = uvd_v6_0_sw_init,
.sw_fini = uvd_v6_0_sw_fini,
.hw_init = uvd_v6_0_hw_init,
.hw_fini = uvd_v6_0_hw_fini,
.suspend = uvd_v6_0_suspend,
.resume = uvd_v6_0_resume,
.is_idle = uvd_v6_0_is_idle,
.wait_for_idle = uvd_v6_0_wait_for_idle,
.check_soft_reset = uvd_v6_0_check_soft_reset,
.pre_soft_reset = uvd_v6_0_pre_soft_reset,
.soft_reset = uvd_v6_0_soft_reset,
.post_soft_reset = uvd_v6_0_post_soft_reset,
.set_clockgating_state = uvd_v6_0_set_clockgating_state,
.set_powergating_state = uvd_v6_0_set_powergating_state,
};
static const struct amdgpu_ring_funcs uvd_v6_0_ring_phys_funcs = {
.get_rptr = uvd_v6_0_ring_get_rptr,
.get_wptr = uvd_v6_0_ring_get_wptr,
.set_wptr = uvd_v6_0_ring_set_wptr,
.parse_cs = amdgpu_uvd_ring_parse_cs,
.emit_ib = uvd_v6_0_ring_emit_ib,
.emit_fence = uvd_v6_0_ring_emit_fence,
.emit_hdp_flush = uvd_v6_0_ring_emit_hdp_flush,
.emit_hdp_invalidate = uvd_v6_0_ring_emit_hdp_invalidate,
.test_ring = uvd_v6_0_ring_test_ring,
.test_ib = amdgpu_uvd_ring_test_ib,
.insert_nop = amdgpu_ring_insert_nop,
.pad_ib = amdgpu_ring_generic_pad_ib,
.begin_use = amdgpu_uvd_ring_begin_use,
.end_use = amdgpu_uvd_ring_end_use,
.get_emit_ib_size = uvd_v6_0_ring_get_emit_ib_size,
.get_dma_frame_size = uvd_v6_0_ring_get_dma_frame_size,
};
static const struct amdgpu_ring_funcs uvd_v6_0_ring_vm_funcs = {
.get_rptr = uvd_v6_0_ring_get_rptr,
.get_wptr = uvd_v6_0_ring_get_wptr,
.set_wptr = uvd_v6_0_ring_set_wptr,
.parse_cs = NULL,
.emit_ib = uvd_v6_0_ring_emit_ib,
.emit_fence = uvd_v6_0_ring_emit_fence,
.emit_vm_flush = uvd_v6_0_ring_emit_vm_flush,
.emit_pipeline_sync = uvd_v6_0_ring_emit_pipeline_sync,
.emit_hdp_flush = uvd_v6_0_ring_emit_hdp_flush,
.emit_hdp_invalidate = uvd_v6_0_ring_emit_hdp_invalidate,
.test_ring = uvd_v6_0_ring_test_ring,
.test_ib = amdgpu_uvd_ring_test_ib,
.insert_nop = amdgpu_ring_insert_nop,
.pad_ib = amdgpu_ring_generic_pad_ib,
.begin_use = amdgpu_uvd_ring_begin_use,
.end_use = amdgpu_uvd_ring_end_use,
.get_emit_ib_size = uvd_v6_0_ring_get_emit_ib_size,
.get_dma_frame_size = uvd_v6_0_ring_get_dma_frame_size_vm,
};
static void uvd_v6_0_set_ring_funcs(struct amdgpu_device *adev)
{
if (adev->asic_type >= CHIP_POLARIS10) {
adev->uvd.ring.funcs = &uvd_v6_0_ring_vm_funcs;
DRM_INFO("UVD is enabled in VM mode\n");
} else {
adev->uvd.ring.funcs = &uvd_v6_0_ring_phys_funcs;
DRM_INFO("UVD is enabled in physical mode\n");
}
}
static const struct amdgpu_irq_src_funcs uvd_v6_0_irq_funcs = {
.set = uvd_v6_0_set_interrupt_state,
.process = uvd_v6_0_process_interrupt,
};
static void uvd_v6_0_set_irq_funcs(struct amdgpu_device *adev)
{
adev->uvd.irq.num_types = 1;
adev->uvd.irq.funcs = &uvd_v6_0_irq_funcs;
}