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authorTom St Denis <tom.stdenis@amd.com>2016-12-05 13:24:49 -0500
committerAlex Deucher <alexander.deucher@amd.com>2016-12-08 14:12:18 -0500
commitcc3f5b8df9fc5306fa9da245c6f41ed75cd9c608 (patch)
tree4030f79f9e7e32561f459ae3a181a70e0788837a /drivers/gpu/drm/amd/amdgpu
parent34e646f44412b366940d859686449f1d02496905 (diff)
downloadblackbird-op-linux-cc3f5b8df9fc5306fa9da245c6f41ed75cd9c608.tar.gz
blackbird-op-linux-cc3f5b8df9fc5306fa9da245c6f41ed75cd9c608.zip
drm/amd/amdgpu: Add gpr reading for GFX v7
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/drm/amd/amdgpu')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
index 1a745cf93f47..c4e14015ec5b 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 = {
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