[PATCH 3/3] drm/amd/amdgpu: Add gpr reading for GFX v7
Tom St Denis
tstdenis82 at gmail.com
Mon Dec 5 18:36:52 UTC 2016
Signed-off-by: Tom St Denis <tom.stdenis at amd.com>
---
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 bbef2e86ea1f..4c4fb9bdd185 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
@@ -4374,6 +4374,21 @@ 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 */
@@ -4398,10 +4413,20 @@ 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 = {
--
2.10.0
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