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| author | Yong Zhao <Yong.Zhao@amd.com> | 2020-02-26 12:47:26 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2020-02-28 16:59:20 -0500 |
| commit | 94b5c215ce5c0694a16087c55a3213d06c3aed07 (patch) | |
| tree | 2cc0ff8eeb86f1a93e01c3e9841810823a0fbe68 /drivers/gpu/drm/amd | |
| parent | 60347451ddb0646c1a9cc5b9581e5bcf648ad1aa (diff) | |
| download | linux-94b5c215ce5c0694a16087c55a3213d06c3aed07.tar.bz2 | |
drm/amdgpu: Add num_banks and num_ranks to gfx config structure
The two members will be used by KFD later.
Signed-off-by: Yong Zhao <Yong.Zhao@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')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c | 5 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c | 5 |
3 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h index ca17ffb01301..37ba05b63b2a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h @@ -151,6 +151,8 @@ struct amdgpu_gfx_config { unsigned num_gpus; unsigned multi_gpu_tile_size; unsigned mc_arb_ramcfg; + unsigned num_banks; + unsigned num_ranks; unsigned gb_addr_config; unsigned num_rbs; unsigned gs_vgt_table_depth; diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c index 8f20a5dd44fe..172905dadf9a 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c @@ -4338,6 +4338,11 @@ static void gfx_v7_0_gpu_early_init(struct amdgpu_device *adev) adev->gfx.config.mc_arb_ramcfg = RREG32(mmMC_ARB_RAMCFG); mc_arb_ramcfg = adev->gfx.config.mc_arb_ramcfg; + adev->gfx.config.num_banks = REG_GET_FIELD(mc_arb_ramcfg, + MC_ARB_RAMCFG, NOOFBANK); + adev->gfx.config.num_ranks = REG_GET_FIELD(mc_arb_ramcfg, + MC_ARB_RAMCFG, NOOFRANKS); + adev->gfx.config.num_tile_pipes = adev->gfx.config.max_tile_pipes; adev->gfx.config.mem_max_burst_length_bytes = 256; if (adev->flags & AMD_IS_APU) { diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c index fa245973de12..e63f98b2d389 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c @@ -1820,6 +1820,11 @@ static int gfx_v8_0_gpu_early_init(struct amdgpu_device *adev) adev->gfx.config.mc_arb_ramcfg = RREG32(mmMC_ARB_RAMCFG); mc_arb_ramcfg = adev->gfx.config.mc_arb_ramcfg; + adev->gfx.config.num_banks = REG_GET_FIELD(mc_arb_ramcfg, + MC_ARB_RAMCFG, NOOFBANK); + adev->gfx.config.num_ranks = REG_GET_FIELD(mc_arb_ramcfg, + MC_ARB_RAMCFG, NOOFRANKS); + adev->gfx.config.num_tile_pipes = adev->gfx.config.max_tile_pipes; adev->gfx.config.mem_max_burst_length_bytes = 256; if (adev->flags & AMD_IS_APU) { |