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| author | Tom St Denis <tom.stdenis@amd.com> | 2016-12-05 21:24:07 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-12-08 22:12:17 +0300 |
| commit | 34e646f44412b366940d859686449f1d02496905 (patch) | |
| tree | 3da8d66e90af7558070f2d16ba9819d430faae3c /drivers/gpu | |
| parent | c5a60ce81b4962d35a6bbb328fb234d33254cfb7 (diff) | |
| download | linux-34e646f44412b366940d859686449f1d02496905.tar.xz | |
drm/amd/amdgpu: Add gpr reading for GFX v6
Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Acked-by: Edward O'Callaghan <funfunctor@folklore1984.net>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c index 879a94bbfe12..558640aee15a 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c @@ -2827,6 +2827,21 @@ static uint32_t wave_read_ind(struct amdgpu_device *adev, uint32_t simd, uint32_ return RREG32(mmSQ_IND_DATA); } +static void wave_read_regs(struct amdgpu_device *adev, uint32_t simd, + uint32_t wave, uint32_t thread, + uint32_t regno, uint32_t num, uint32_t *out) +{ + WREG32(mmSQ_IND_INDEX, + (wave << SQ_IND_INDEX__WAVE_ID__SHIFT) | + (simd << SQ_IND_INDEX__SIMD_ID__SHIFT) | + (regno << SQ_IND_INDEX__INDEX__SHIFT) | + (thread << SQ_IND_INDEX__THREAD_ID__SHIFT) | + (SQ_IND_INDEX__FORCE_READ_MASK) | + (SQ_IND_INDEX__AUTO_INCR_MASK)); + while (num--) + *(out++) = RREG32(mmSQ_IND_DATA); +} + static void gfx_v6_0_read_wave_data(struct amdgpu_device *adev, uint32_t simd, uint32_t wave, uint32_t *dst, int *no_fields) { /* type 0 wave data */ @@ -2851,10 +2866,20 @@ static void gfx_v6_0_read_wave_data(struct amdgpu_device *adev, uint32_t simd, u dst[(*no_fields)++] = wave_read_ind(adev, simd, wave, ixSQ_WAVE_M0); } +static void gfx_v6_0_read_wave_sgprs(struct amdgpu_device *adev, uint32_t simd, + uint32_t wave, uint32_t start, + uint32_t size, uint32_t *dst) +{ + wave_read_regs( + adev, simd, wave, 0, + start + SQIND_WAVE_SGPRS_OFFSET, size, dst); +} + static const struct amdgpu_gfx_funcs gfx_v6_0_gfx_funcs = { .get_gpu_clock_counter = &gfx_v6_0_get_gpu_clock_counter, .select_se_sh = &gfx_v6_0_select_se_sh, .read_wave_data = &gfx_v6_0_read_wave_data, + .read_wave_sgprs = &gfx_v6_0_read_wave_sgprs, }; static int gfx_v6_0_early_init(void *handle) |