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drm/amdgpu: Add num_banks and num_ranks to gfx config structure

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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>
This commit is contained in:
Yong Zhao 2020-02-26 12:47:26 -05:00 committed by Alex Deucher
parent 60347451dd
commit 94b5c215ce
3 changed files with 12 additions and 0 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.h
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@ -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;

5
drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c
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@ -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) {

5
drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
View File

@ -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) {