Skip to content

L
linux
Commit 221f36c4 authored by Boyuan Zhang's avatar Boyuan Zhang Committed by Alex Deucher
Browse files
Options

drm/amdgpu: implement jpeg ring functions 

Implement all ring functions needed for jpeg ring

v2: remove unnecessary mem read function.
Signed-off-by: default avatarBoyuan Zhang <boyuan.zhang@amd.com>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 50613395
Hide whitespace changes
Inline Side-by-side
Showing with 286 additions and 0 deletions
drivers/gpu/drm/amd/amdgpu/vcn_v1_0.c
View file @ 221f36c4
......@@ -1126,6 +1126,292 @@ static void vcn_v1_0_enc_ring_emit_wreg(struct amdgpu_ring *ring,
amdgpu_ring_write(ring, val);
}
/**
* vcn_v1_0_jpeg_ring_get_rptr - get read pointer
*
* @ring: amdgpu_ring pointer
*
* Returns the current hardware read pointer
*/
static uint64_t vcn_v1_0_jpeg_ring_get_rptr(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
return RREG32_SOC15(UVD, 0, mmUVD_JRBC_RB_RPTR);
}
/**
* vcn_v1_0_jpeg_ring_get_wptr - get write pointer
*
* @ring: amdgpu_ring pointer
*
* Returns the current hardware write pointer
*/
static uint64_t vcn_v1_0_jpeg_ring_get_wptr(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
return RREG32_SOC15(UVD, 0, mmUVD_JRBC_RB_WPTR);
}
/**
* vcn_v1_0_jpeg_ring_set_wptr - set write pointer
*
* @ring: amdgpu_ring pointer
*
* Commits the write pointer to the hardware
*/
static void vcn_v1_0_jpeg_ring_set_wptr(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
WREG32_SOC15(UVD, 0, mmUVD_JRBC_RB_WPTR, lower_32_bits(ring->wptr));
}
/**
* vcn_v1_0_jpeg_ring_insert_start - insert a start command
*
* @ring: amdgpu_ring pointer
*
* Write a start command to the ring.
*/
static void vcn_v1_0_jpeg_ring_insert_start(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
amdgpu_ring_write(ring,
PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_EXTERNAL_REG_BASE), 0, 0, PACKETJ_TYPE0));
amdgpu_ring_write(ring, 0x68e04);
amdgpu_ring_write(ring, PACKETJ(0, 0, 0, PACKETJ_TYPE0));
amdgpu_ring_write(ring, 0x80010000);
}
/**
* vcn_v1_0_jpeg_ring_insert_end - insert a end command
*
* @ring: amdgpu_ring pointer
*
* Write a end command to the ring.
*/
static void vcn_v1_0_jpeg_ring_insert_end(struct amdgpu_ring *ring)
{
struct amdgpu_device *adev = ring->adev;
amdgpu_ring_write(ring,
PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_EXTERNAL_REG_BASE), 0, 0, PACKETJ_TYPE0));
amdgpu_ring_write(ring, 0x68e04);
amdgpu_ring_write(ring, PACKETJ(0, 0, 0, PACKETJ_TYPE0));
amdgpu_ring_write(ring, 0x00010000);
}
/**
* vcn_v1_0_jpeg_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 vcn_v1_0_jpeg_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq,
unsigned flags)
{
struct amdgpu_device *adev = ring->adev;
WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
amdgpu_ring_write(ring,
PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JPEG_GPCOM_DATA0), 0, 0, PACKETJ_TYPE0));
amdgpu_ring_write(ring, seq);
amdgpu_ring_write(ring,
PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JPEG_GPCOM_DATA1), 0, 0, PACKETJ_TYPE0));
amdgpu_ring_write(ring, seq);
amdgpu_ring_write(ring,
PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_JRBC_RB_MEM_WR_64BIT_BAR_LOW), 0, 0, PACKETJ_TYPE0));
amdgpu_ring_write(ring, lower_32_bits(addr));
amdgpu_ring_write(ring,
PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_JRBC_RB_MEM_WR_64BIT_BAR_HIGH), 0, 0, PACKETJ_TYPE0));
amdgpu_ring_write(ring, upper_32_bits(addr));
amdgpu_ring_write(ring,
PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JPEG_GPCOM_CMD), 0, 0, PACKETJ_TYPE0));
amdgpu_ring_write(ring, 0x8);
amdgpu_ring_write(ring,
PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JPEG_GPCOM_CMD), 0, PACKETJ_CONDITION_CHECK0, PACKETJ_TYPE4));
amdgpu_ring_write(ring, 0);
amdgpu_ring_write(ring,
PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_RB_COND_RD_TIMER), 0, 0, PACKETJ_TYPE0));
amdgpu_ring_write(ring, 0x01400200);
amdgpu_ring_write(ring,
PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_RB_REF_DATA), 0, 0, PACKETJ_TYPE0));
amdgpu_ring_write(ring, seq);
amdgpu_ring_write(ring,
PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_LOW), 0, 0, PACKETJ_TYPE0));
amdgpu_ring_write(ring, lower_32_bits(addr));
amdgpu_ring_write(ring,
PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_HIGH), 0, 0, PACKETJ_TYPE0));
amdgpu_ring_write(ring, upper_32_bits(addr));
amdgpu_ring_write(ring,
PACKETJ(0, 0, PACKETJ_CONDITION_CHECK3, PACKETJ_TYPE2));
amdgpu_ring_write(ring, 0xffffffff);
amdgpu_ring_write(ring,
PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_EXTERNAL_REG_BASE), 0, 0, PACKETJ_TYPE0));
amdgpu_ring_write(ring, 0x3fbc);
amdgpu_ring_write(ring,
PACKETJ(0, 0, 0, PACKETJ_TYPE0));
amdgpu_ring_write(ring, 0x1);
}
/**
* vcn_v1_0_jpeg_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 vcn_v1_0_jpeg_ring_emit_ib(struct amdgpu_ring *ring,
struct amdgpu_ib *ib,
unsigned vmid, bool ctx_switch)
{
struct amdgpu_device *adev = ring->adev;
amdgpu_ring_write(ring,
PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_JRBC_IB_VMID), 0, 0, PACKETJ_TYPE0));
amdgpu_ring_write(ring, (vmid | (vmid << 4)));
amdgpu_ring_write(ring,
PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_JPEG_VMID), 0, 0, PACKETJ_TYPE0));
amdgpu_ring_write(ring, (vmid | (vmid << 4)));
amdgpu_ring_write(ring,
PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_JRBC_IB_64BIT_BAR_LOW), 0, 0, PACKETJ_TYPE0));
amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr));
amdgpu_ring_write(ring,
PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_JRBC_IB_64BIT_BAR_HIGH), 0, 0, PACKETJ_TYPE0));
amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr));
amdgpu_ring_write(ring,
PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_IB_SIZE), 0, 0, PACKETJ_TYPE0));
amdgpu_ring_write(ring, ib->length_dw);
amdgpu_ring_write(ring,
PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_LOW), 0, 0, PACKETJ_TYPE0));
amdgpu_ring_write(ring, lower_32_bits(ring->gpu_addr));
amdgpu_ring_write(ring,
PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_JRBC_RB_MEM_RD_64BIT_BAR_HIGH), 0, 0, PACKETJ_TYPE0));
amdgpu_ring_write(ring, upper_32_bits(ring->gpu_addr));
amdgpu_ring_write(ring,
PACKETJ(0, 0, PACKETJ_CONDITION_CHECK0, PACKETJ_TYPE2));
amdgpu_ring_write(ring, 0);
amdgpu_ring_write(ring,
PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_RB_COND_RD_TIMER), 0, 0, PACKETJ_TYPE0));
amdgpu_ring_write(ring, 0x01400200);
amdgpu_ring_write(ring,
PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_RB_REF_DATA), 0, 0, PACKETJ_TYPE0));
amdgpu_ring_write(ring, 0x2);
amdgpu_ring_write(ring,
PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_STATUS), 0, PACKETJ_CONDITION_CHECK3, PACKETJ_TYPE3));
amdgpu_ring_write(ring, 0x2);
}
static void vcn_v1_0_jpeg_ring_emit_reg_wait(struct amdgpu_ring *ring,
uint32_t reg, uint32_t val,
uint32_t mask)
{
struct amdgpu_device *adev = ring->adev;
uint32_t reg_offset = (reg << 2);
amdgpu_ring_write(ring,
PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_RB_COND_RD_TIMER), 0, 0, PACKETJ_TYPE0));
amdgpu_ring_write(ring, 0x01400200);
amdgpu_ring_write(ring,
PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_RB_REF_DATA), 0, 0, PACKETJ_TYPE0));
amdgpu_ring_write(ring, val);
amdgpu_ring_write(ring,
PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_EXTERNAL_REG_BASE), 0, 0, PACKETJ_TYPE0));
if (((reg_offset >= 0x1f800) && (reg_offset <= 0x21fff)) ||
((reg_offset >= 0x1e000) && (reg_offset <= 0x1e1ff))) {
amdgpu_ring_write(ring, 0);
amdgpu_ring_write(ring,
PACKETJ((reg_offset >> 2), 0, 0, PACKETJ_TYPE3));
} else {
amdgpu_ring_write(ring, reg_offset);
amdgpu_ring_write(ring,
PACKETJ(0, 0, 0, PACKETJ_TYPE3));
}
amdgpu_ring_write(ring, mask);
}
static void vcn_v1_0_jpeg_ring_emit_vm_flush(struct amdgpu_ring *ring,
unsigned vmid, uint64_t pd_addr)
{
struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub];
uint32_t data0, data1, mask;
pd_addr = amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr);
/* wait for register write */
data0 = hub->ctx0_ptb_addr_lo32 + vmid * 2;
data1 = lower_32_bits(pd_addr);
mask = 0xffffffff;
vcn_v1_0_jpeg_ring_emit_reg_wait(ring, data0, data1, mask);
}
static void vcn_v1_0_jpeg_ring_emit_wreg(struct amdgpu_ring *ring,
uint32_t reg, uint32_t val)
{
struct amdgpu_device *adev = ring->adev;
uint32_t reg_offset = (reg << 2);
amdgpu_ring_write(ring,
PACKETJ(SOC15_REG_OFFSET(UVD, 0, mmUVD_JRBC_EXTERNAL_REG_BASE), 0, 0, PACKETJ_TYPE0));
if (((reg_offset >= 0x1f800) && (reg_offset <= 0x21fff)) ||
((reg_offset >= 0x1e000) && (reg_offset <= 0x1e1ff))) {
amdgpu_ring_write(ring, 0);
amdgpu_ring_write(ring,
PACKETJ((reg_offset >> 2), 0, 0, PACKETJ_TYPE0));
} else {
amdgpu_ring_write(ring, reg_offset);
amdgpu_ring_write(ring,
PACKETJ(0, 0, 0, PACKETJ_TYPE0));
}
amdgpu_ring_write(ring, val);
}
static void vcn_v1_0_jpeg_ring_nop(struct amdgpu_ring *ring, uint32_t count)
{
int i;
WARN_ON(ring->wptr % 2 || count % 2);
for (i = 0; i < count / 2; i++) {
amdgpu_ring_write(ring, PACKETJ(0, 0, 0, PACKETJ_TYPE6));
amdgpu_ring_write(ring, 0);
}
}
static int vcn_v1_0_set_interrupt_state(struct amdgpu_device *adev,
struct amdgpu_irq_src *source,
unsigned type,
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment
GitLab Nexedi Edition | About GitLab | About Nexedi | 沪ICP备2021021310号-2 | 沪ICP备2021021310号-7