diff options
| author | Lijo Lazar <lijo.lazar@amd.com> | 2023-08-04 09:52:23 +0530 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-08-16 11:38:11 -0400 |
| commit | e20ff051707c010685b638d314b360cea4b68bac (patch) | |
| tree | be4bc86dfc6adb010e8a1590e997b7abb253f8f6 /drivers/gpu/drm/amd | |
| parent | 0dee726395333fea833eaaf838bc80962df886c8 (diff) | |
drm/amdgpu: Add memory vendor information
For ASICs with GC v9.4.3, determine the vendor information from scratch
register.
Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@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/gmc_v9_0.c | 26 |
1 files changed, 18 insertions, 8 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c index 880460cd3239..f9a5a2c0573e 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -1998,6 +1998,19 @@ static int gmc_v9_0_init_mem_ranges(struct amdgpu_device *adev) return 0; } +static void gmc_v9_4_3_init_vram_info(struct amdgpu_device *adev) +{ + static const u32 regBIF_BIOS_SCRATCH_4 = 0x50; + u32 vram_info; + + if (!amdgpu_sriov_vf(adev)) { + vram_info = RREG32(regBIF_BIOS_SCRATCH_4); + adev->gmc.vram_vendor = vram_info & 0xF; + } + adev->gmc.vram_type = AMDGPU_VRAM_TYPE_HBM; + adev->gmc.vram_width = 128 * 64; +} + static int gmc_v9_0_sw_init(void *handle) { int r, vram_width = 0, vram_type = 0, vram_vendor = 0, dma_addr_bits; @@ -2010,15 +2023,12 @@ static int gmc_v9_0_sw_init(void *handle) spin_lock_init(&adev->gmc.invalidate_lock); - if (!(adev->bios) || adev->gmc.is_app_apu) { + if (adev->ip_versions[GC_HWIP][0] == IP_VERSION(9, 4, 3)) { + gmc_v9_4_3_init_vram_info(adev); + } else if (!adev->bios) { if (adev->flags & AMD_IS_APU) { - if (adev->gmc.is_app_apu) { - adev->gmc.vram_type = AMDGPU_VRAM_TYPE_HBM; - adev->gmc.vram_width = 128 * 64; - } else { - adev->gmc.vram_type = AMDGPU_VRAM_TYPE_DDR4; - adev->gmc.vram_width = 64 * 64; - } + adev->gmc.vram_type = AMDGPU_VRAM_TYPE_DDR4; + adev->gmc.vram_width = 64 * 64; } else { adev->gmc.vram_type = AMDGPU_VRAM_TYPE_HBM; adev->gmc.vram_width = 128 * 64; |