From 472259f02657ef99cba2a64832ccadad8e3baabe Mon Sep 17 00:00:00 2001 From: Tom St Denis Date: Fri, 14 Oct 2016 09:49:09 -0400 Subject: [PATCH] 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 Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu.h | 1 + drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 29 +++++----------------- drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c | 25 +++++++++++++++++++ drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 26 +++++++++++++++++++ 4 files changed, 58 insertions(+), 23 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 1800ea139c98..217df2459a98 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -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 { diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index cd44364267f7..b0c7cb797300 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -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; } diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c index bc6ccd05010f..91176005eaff 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c @@ -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 = { diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c index 27b3de44add7..eeb522c0de0b 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c @@ -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) -- 2.30.2