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| author | Hawking Zhang <Hawking.Zhang@amd.com> | 2019-11-18 12:13:56 +0300 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-11-19 20:08:58 +0300 |
| commit | 13a390a6f98abed327ec794a70830f066f3b6507 (patch) | |
| tree | 5d0ac8b92e24ce615756c1daef42e7ae4ceba5d4 /drivers/gpu/drm/amd/amdgpu/psp_v10_0.c | |
| parent | 32cc3bf0a77c0e600a3df33f1661da4dee7ceadb (diff) | |
| download | linux-13a390a6f98abed327ec794a70830f066f3b6507.tar.xz | |
drm/amdgpu: add psp funcs for ring write pointer read/write
The ring write pointer regsiter update is the only part that
is IP specific ones in psp_cmd_submit function.
Add two callbacks for wptr read/write so that we unify the
psp_cmd_submit function for all the ASICs.
Signed-off-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: John Clements <john.clements@amd.com>
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/psp_v10_0.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/psp_v10_0.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c index b345e69ba246..4b8fdddc4c46 100644 --- a/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c @@ -407,6 +407,20 @@ static int psp_v10_0_mode1_reset(struct psp_context *psp) return -EINVAL; } +static uint32_t psp_v10_0_ring_get_wptr(struct psp_context *psp) +{ + struct amdgpu_device *adev = psp->adev; + + return RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67); +} + +static void psp_v10_0_ring_set_wptr(struct psp_context *psp, uint32_t value) +{ + struct amdgpu_device *adev = psp->adev; + + WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67, value); +} + static const struct psp_funcs psp_v10_0_funcs = { .init_microcode = psp_v10_0_init_microcode, .ring_init = psp_v10_0_ring_init, @@ -416,6 +430,8 @@ static const struct psp_funcs psp_v10_0_funcs = { .cmd_submit = psp_v10_0_cmd_submit, .compare_sram_data = psp_v10_0_compare_sram_data, .mode1_reset = psp_v10_0_mode1_reset, + .ring_get_wptr = psp_v10_0_ring_get_wptr, + .ring_set_wptr = psp_v10_0_ring_set_wptr, }; void psp_v10_0_set_psp_funcs(struct psp_context *psp) |