From d534ca7128d7bf681ed6d462c09b9d6ffb3bed91 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Mon, 23 May 2022 11:24:31 -0400 Subject: drm/amdgpu: differentiate between LP and non-LP DDR memory Some applications want to know whether the memory is LP or not. Reviewed-by: Hawking Zhang Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_object.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index 5444515c1476..e1e6441c475f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -1018,7 +1018,9 @@ static const char *amdgpu_vram_names[] = { "DDR3", "DDR4", "GDDR6", - "DDR5" + "DDR5", + "LPDDR4", + "LPDDR5" }; /** -- cgit From fab2cc8335839867a3db38f195441b9c7c6460f6 Mon Sep 17 00:00:00 2001 From: Christian König Date: Fri, 6 May 2022 13:08:34 +0200 Subject: drm/amdgpu: add AMDGPU_GEM_CREATE_DISCARDABLE MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Add a AMDGPU_GEM_CREATE_DISCARDABLE flag to note that the content of a BO doesn't needs to be preserved during eviction. KFD was already using a similar functionality for SVM BOs so replace the internal flag with the new UAPI. Signed-off-by: Christian König Reviewed-by: Alex Deucher Reviewed-by: Marek Olšák Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_object.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index e1e6441c475f..2c82b1d5a0d7 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -567,6 +567,7 @@ int amdgpu_bo_create(struct amdgpu_device *adev, bp->domain; bo->allowed_domains = bo->preferred_domains; if (bp->type != ttm_bo_type_kernel && + !(bp->flags & AMDGPU_GEM_CREATE_DISCARDABLE) && bo->allowed_domains == AMDGPU_GEM_DOMAIN_VRAM) bo->allowed_domains |= AMDGPU_GEM_DOMAIN_GTT; -- cgit