From: Likun Gao Date: Thu, 11 Jan 2024 08:44:55 +0000 (+0800) Subject: drm/amdgpu: support for DCC feature X-Git-Tag: v6.11-rc1~141^2~18^2~182 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7c85e970839ec57107a621f457e9e4f9220ffeb7;p=thirdparty%2Fkernel%2Flinux.git drm/amdgpu: support for DCC feature Deal with AMDGPU_GEM_CREATE_GFX12_DCC to set DCC bit when needed. Signed-off-by: Likun Gao Reviewed-by: Hawking Zhang Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c index 3b67809a59bc6..1f22b4208729b 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c @@ -334,6 +334,7 @@ int amdgpu_gem_create_ioctl(struct drm_device *dev, void *data, AMDGPU_GEM_CREATE_VM_ALWAYS_VALID | AMDGPU_GEM_CREATE_EXPLICIT_SYNC | AMDGPU_GEM_CREATE_ENCRYPTED | + AMDGPU_GEM_CREATE_GFX12_DCC | AMDGPU_GEM_CREATE_DISCARDABLE)) return -EINVAL; @@ -341,6 +342,11 @@ int amdgpu_gem_create_ioctl(struct drm_device *dev, void *data, if (args->in.domains & ~AMDGPU_GEM_DOMAIN_MASK) return -EINVAL; + if ((flags & AMDGPU_GEM_CREATE_GFX12_DCC) && + ((amdgpu_ip_version(adev, GC_HWIP, 0) < IP_VERSION(12, 0, 0)) || + !(args->in.domains & AMDGPU_GEM_DOMAIN_VRAM))) + return -EINVAL; + if (!amdgpu_is_tmz(adev) && (flags & AMDGPU_GEM_CREATE_ENCRYPTED)) { DRM_NOTE_ONCE("Cannot allocate secure buffer since TMZ is disabled\n"); return -EINVAL; diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c index 16d3443f8a82b..be78507ec0d81 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v12_0.c @@ -532,6 +532,9 @@ static void gmc_v12_0_get_vm_pte(struct amdgpu_device *adev, is_system = (bo->tbo.resource->mem_type == TTM_PL_TT) || (bo->tbo.resource->mem_type == AMDGPU_PL_PREEMPT); + if (bo && bo->flags & AMDGPU_GEM_CREATE_GFX12_DCC) + *flags |= AMDGPU_PTE_DCC; + /* WA for HW bug */ if (is_system || ((bo_adev != adev) && coherent)) *flags = AMDGPU_PTE_MTYPE_GFX12(*flags, MTYPE_NC);