From cc3f5b8df9fc5306fa9da245c6f41ed75cd9c608 Mon Sep 17 00:00:00 2001 From: Tom St Denis Date: Mon, 5 Dec 2016 13:24:49 -0500 Subject: [PATCH] drm/amd/amdgpu: Add gpr reading for GFX v7 Signed-off-by: Tom St Denis Acked-by: Edward O'Callaghan Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c index 1a745cf..c4e1401 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c @@ -4380,6 +4380,21 @@ 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_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 */ @@ -4404,10 +4419,20 @@ static void gfx_v7_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_v7_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_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, + .read_wave_sgprs = &gfx_v7_0_read_wave_sgprs, }; static const struct amdgpu_rlc_funcs gfx_v7_0_rlc_funcs = { -- 2.7.4