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drm/amd/amdgpu: re-factor debugfs wave reader 

Move IP version specific code into a callback.

Also add support for gfx7 devices.

Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Tom St Denis 2016-10-14 09:49:09 -04:00 committed by Alex Deucher
parent 394fdde256
commit 472259f026
4 changed files with 58 additions and 23 deletions
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1
drivers/gpu/drm/amd/amdgpu/amdgpu.h
View File

@ -840,6 +840,7 @@ struct amdgpu_gfx_funcs {
/* get the gpu clock counter */
uint64_t (*get_gpu_clock_counter)(struct amdgpu_device *adev);
void (*select_se_sh)(struct amdgpu_device *adev, u32 se_num, u32 sh_num, u32 instance);
void (*read_wave_data)(struct amdgpu_device *adev, uint32_t simd, uint32_t wave, uint32_t *dst, int *no_fields);
};
struct amdgpu_gfx {

29
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
View File

@ -2966,19 +2966,13 @@ static ssize_t amdgpu_debugfs_sensor_read(struct file *f, char __user *buf,
return !r ? 4 : r;
}
static uint32_t wave_read_ind(struct amdgpu_device *adev, uint32_t SQ_INDEX, uint32_t SQ_DATA, uint32_t simd, uint32_t wave, uint32_t address)
{
WREG32(SQ_INDEX, (wave & 0xF) | ((simd & 0x3) << 4) | (address << 16) | (1 << 13));
return RREG32(SQ_DATA);
}
static ssize_t amdgpu_debugfs_wave_read(struct file *f, char __user *buf,
size_t size, loff_t *pos)
{
struct amdgpu_device *adev = f->f_inode->i_private;
int r, x;
ssize_t result=0;
uint32_t offset, se, sh, cu, wave, simd, data[16];
uint32_t offset, se, sh, cu, wave, simd, data[32];
if (size & 3 || *pos & 3)
return -EINVAL;
@ -2990,25 +2984,14 @@ static ssize_t amdgpu_debugfs_wave_read(struct file *f, char __user *buf,
cu = ((*pos >> 23) & 0xFF);
wave = ((*pos >> 31) & 0xFF);
simd = ((*pos >> 37) & 0xFF);
*pos &= 0x7F;
/* switch to the specific se/sh/cu */
mutex_lock(&adev->grbm_idx_mutex);
amdgpu_gfx_select_se_sh(adev, se, sh, cu);
x = 0;
if (adev->family == AMDGPU_FAMILY_CZ || adev->family == AMDGPU_FAMILY_VI) {
/* type 0 wave data */
data[x++] = 0;
data[x++] = wave_read_ind(adev, 0x2378, 0x2379, simd, wave, 0x12);
data[x++] = wave_read_ind(adev, 0x2378, 0x2379, simd, wave, 0x18);
data[x++] = wave_read_ind(adev, 0x2378, 0x2379, simd, wave, 0x19);
data[x++] = wave_read_ind(adev, 0x2378, 0x2379, simd, wave, 0x27E);
data[x++] = wave_read_ind(adev, 0x2378, 0x2379, simd, wave, 0x27F);
data[x++] = wave_read_ind(adev, 0x2378, 0x2379, simd, wave, 0x14);
data[x++] = wave_read_ind(adev, 0x2378, 0x2379, simd, wave, 0x1A);
data[x++] = wave_read_ind(adev, 0x2378, 0x2379, simd, wave, 0x1B);
}
if (adev->gfx.funcs->read_wave_data)
adev->gfx.funcs->read_wave_data(adev, simd, wave, data, &x);
amdgpu_gfx_select_se_sh(adev, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF);
mutex_unlock(&adev->grbm_idx_mutex);
@ -3016,17 +2999,17 @@ static ssize_t amdgpu_debugfs_wave_read(struct file *f, char __user *buf,
if (!x)
return -EINVAL;
while (size && (*pos < x * 4)) {
while (size && (offset < x * 4)) {
uint32_t value;
value = data[*pos >> 2];
value = data[offset >> 2];
r = put_user(value, (uint32_t *)buf);
if (r)
return r;
result += 4;
buf += 4;
*pos += 4;
offset += 4;
size -= 4;
}

25
drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
View File

@ -4357,9 +4357,34 @@ static void gfx_v7_0_ring_emit_gds_switch(struct amdgpu_ring *ring,
amdgpu_ring_write(ring, (1 << (oa_size + oa_base)) - (1 << oa_base));
}
static uint32_t wave_read_ind(struct amdgpu_device *adev, uint32_t simd, uint32_t wave, uint32_t address)
{
WREG32(mmSQ_IND_INDEX, (wave & 0xF) | ((simd & 0x3) << 4) | (address << 16) | (1 << 13));
return RREG32(mmSQ_IND_DATA);
}
static void gfx_v7_0_read_wave_data(struct amdgpu_device *adev, uint32_t simd, uint32_t wave, uint32_t *dst, int *no_fields)
{
/* type 0 wave data */
dst[(*no_fields)++] = 0;
dst[(*no_fields)++] = wave_read_ind(adev, simd, wave, ixSQ_WAVE_STATUS);
dst[(*no_fields)++] = wave_read_ind(adev, simd, wave, ixSQ_WAVE_PC_LO);
dst[(*no_fields)++] = wave_read_ind(adev, simd, wave, ixSQ_WAVE_PC_HI);
dst[(*no_fields)++] = wave_read_ind(adev, simd, wave, ixSQ_WAVE_EXEC_LO);
dst[(*no_fields)++] = wave_read_ind(adev, simd, wave, ixSQ_WAVE_EXEC_HI);
dst[(*no_fields)++] = wave_read_ind(adev, simd, wave, ixSQ_WAVE_HW_ID);
dst[(*no_fields)++] = wave_read_ind(adev, simd, wave, ixSQ_WAVE_INST_DW0);
dst[(*no_fields)++] = wave_read_ind(adev, simd, wave, ixSQ_WAVE_INST_DW1);
dst[(*no_fields)++] = wave_read_ind(adev, simd, wave, ixSQ_WAVE_GPR_ALLOC);
dst[(*no_fields)++] = wave_read_ind(adev, simd, wave, ixSQ_WAVE_LDS_ALLOC);
dst[(*no_fields)++] = wave_read_ind(adev, simd, wave, ixSQ_WAVE_TRAPSTS);
dst[(*no_fields)++] = wave_read_ind(adev, simd, wave, ixSQ_WAVE_IB_STS);
}
static const struct amdgpu_gfx_funcs gfx_v7_0_gfx_funcs = {
.get_gpu_clock_counter = &gfx_v7_0_get_gpu_clock_counter,
.select_se_sh = &gfx_v7_0_select_se_sh,
.read_wave_data = &gfx_v7_0_read_wave_data,
};
static const struct amdgpu_rlc_funcs gfx_v7_0_rlc_funcs = {

26
drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
View File

@ -5441,9 +5441,35 @@ static void gfx_v8_0_ring_emit_gds_switch(struct amdgpu_ring *ring,
amdgpu_ring_write(ring, (1 << (oa_size + oa_base)) - (1 << oa_base));
}
static uint32_t wave_read_ind(struct amdgpu_device *adev, uint32_t simd, uint32_t wave, uint32_t address)
{
WREG32(mmSQ_IND_INDEX, (wave & 0xF) | ((simd & 0x3) << 4) | (address << 16) | (1 << 13));
return RREG32(mmSQ_IND_DATA);
}
static void gfx_v8_0_read_wave_data(struct amdgpu_device *adev, uint32_t simd, uint32_t wave, uint32_t *dst, int *no_fields)
{
/* type 0 wave data */
dst[(*no_fields)++] = 0;
dst[(*no_fields)++] = wave_read_ind(adev, simd, wave, ixSQ_WAVE_STATUS);
dst[(*no_fields)++] = wave_read_ind(adev, simd, wave, ixSQ_WAVE_PC_LO);
dst[(*no_fields)++] = wave_read_ind(adev, simd, wave, ixSQ_WAVE_PC_HI);
dst[(*no_fields)++] = wave_read_ind(adev, simd, wave, ixSQ_WAVE_EXEC_LO);
dst[(*no_fields)++] = wave_read_ind(adev, simd, wave, ixSQ_WAVE_EXEC_HI);
dst[(*no_fields)++] = wave_read_ind(adev, simd, wave, ixSQ_WAVE_HW_ID);
dst[(*no_fields)++] = wave_read_ind(adev, simd, wave, ixSQ_WAVE_INST_DW0);
dst[(*no_fields)++] = wave_read_ind(adev, simd, wave, ixSQ_WAVE_INST_DW1);
dst[(*no_fields)++] = wave_read_ind(adev, simd, wave, ixSQ_WAVE_GPR_ALLOC);
dst[(*no_fields)++] = wave_read_ind(adev, simd, wave, ixSQ_WAVE_LDS_ALLOC);
dst[(*no_fields)++] = wave_read_ind(adev, simd, wave, ixSQ_WAVE_TRAPSTS);
dst[(*no_fields)++] = wave_read_ind(adev, simd, wave, ixSQ_WAVE_IB_STS);
}
static const struct amdgpu_gfx_funcs gfx_v8_0_gfx_funcs = {
.get_gpu_clock_counter = &gfx_v8_0_get_gpu_clock_counter,
.select_se_sh = &gfx_v8_0_select_se_sh,
.read_wave_data = &gfx_v8_0_read_wave_data,
};
static int gfx_v8_0_early_init(void *handle)