From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?Q?Christian_K=c3=b6nig?= Subject: Re: [PATCH] drm/amd/amdgpu: set gtt size according to system memory size only Date: Tue, 28 Nov 2017 11:00:55 +0100 Message-ID: <7029b2bb-03be-6d74-578d-63fc48982b6e@amd.com> References: <1511862059-14173-1-git-send-email-Hongbo.He@amd.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1511862059-14173-1-git-send-email-Hongbo.He-5C7GfCeVMHo@public.gmane.org> Content-Language: en-US List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: amd-gfx-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Sender: "amd-gfx" To: Roger He , amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org QW0gMjguMTEuMjAxNyB1bSAxMDo0MCBzY2hyaWViIFJvZ2VyIEhlOgo+IENoYW5nZS1JZDogSWI2 MzQzNzViOTBkODc1ZmUwNGE4OTBmYzgyZmIxZTNiNzExMjY3NmEKPiBTaWduZWQtb2ZmLWJ5OiBS b2dlciBIZSA8SG9uZ2JvLkhlQGFtZC5jb20+Cj4gLS0tCj4gICBkcml2ZXJzL2dwdS9kcm0vYW1k L2FtZGdwdS9hbWRncHVfdHRtLmMgfCAxNiArKysrKysrKysrKy0tLS0tCj4gICAxIGZpbGUgY2hh bmdlZCwgMTEgaW5zZXJ0aW9ucygrKSwgNSBkZWxldGlvbnMoLSkKPgo+IGRpZmYgLS1naXQgYS9k cml2ZXJzL2dwdS9kcm0vYW1kL2FtZGdwdS9hbWRncHVfdHRtLmMgYi9kcml2ZXJzL2dwdS9kcm0v YW1kL2FtZGdwdS9hbWRncHVfdHRtLmMKPiBpbmRleCAxN2JmMGNlLi5kNzczYzVlIDEwMDY0NAo+ IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV90dG0uYwo+ICsrKyBiL2Ry aXZlcnMvZ3B1L2RybS9hbWQvYW1kZ3B1L2FtZGdwdV90dG0uYwo+IEBAIC0xMzI4LDEzICsxMzI4 LDE5IEBAIGludCBhbWRncHVfdHRtX2luaXQoc3RydWN0IGFtZGdwdV9kZXZpY2UgKmFkZXYpCj4g ICAKPiAgIAlpZiAoYW1kZ3B1X2d0dF9zaXplID09IC0xKSB7Cj4gICAJCXN0cnVjdCBzeXNpbmZv IHNpOwo+ICsJCXVpbnQ2NF90IHN5c19tZW1fc2l6ZTsKPiAgIAo+ICAgCQlzaV9tZW1pbmZvKCZz aSk7Cj4gLQkJZ3R0X3NpemUgPSBtaW4obWF4KChBTURHUFVfREVGQVVMVF9HVFRfU0laRV9NQiA8 PCAyMCksCj4gLQkJCSAgICAgICBhZGV2LT5tYy5tY192cmFtX3NpemUpLAo+IC0JCQkgICAgICAg KCh1aW50NjRfdClzaS50b3RhbHJhbSAqIHNpLm1lbV91bml0ICogMy80KSk7Cj4gLQl9Cj4gLQll bHNlCj4gKwkJc3lzX21lbV9zaXplID0gKHVpbnQ2NF90KXNpLnRvdGFscmFtICogc2kubWVtX3Vu aXQ7Cj4gKwkJZ3R0X3NpemUgPSBBTURHUFVfREVGQVVMVF9HVFRfU0laRV9NQiA8PCAyMDsKPiAr Cj4gKwkJLyogbGVhdmUgMkdCIGZvciBPUyB0byB3b3JrIHdpdGggKi8KPiArCQlpZiAoc3lzX21l bV9zaXplID4gKDJVTEwgPDwgMzApKSB7Cj4gKwkJCWd0dF9zaXplID0gbWF4KGd0dF9zaXplLCBz eXNfbWVtX3NpemUgLSAoMlVMTCA8PCAzMCkpOwo+ICsJCX0gZWxzZQoKTm8gbmVlZCBmb3IgdGhl ICJ7fSIgaGVyZS4KCj4gKwkJCURSTV9JTkZPKCJhbWRncHU6IFRvbyBzbWFsbCBzeXN0ZW0gbWVt b3J5ICVsbHUgTUJcbiIsCj4gKwkJCQlzeXNfbWVtX3NpemUgPj4gMjApOwo+ICsJfSBlbHNlCgpJ IGhhdmUgYSBwcmVmZXJlbmNlIHRvIHN0aWNrIHdpdGggdGhlIDc1JSBydWxlIHNpbWlsYXIgdG8g aG93IFRUTSBkb2VzIAp0aGluZ3MsIGJ1dCB0aGF0IGlzbid0IGEgaGFyZCBvcGluaW9uIGlmIHlv dSBoYXZlIGEgZ29vZCBhcmd1bWVudC4KClJlZ2FyZHMsCkNocmlzdGlhbi4KCj4gICAJCWd0dF9z aXplID0gKHVpbnQ2NF90KWFtZGdwdV9ndHRfc2l6ZSA8PCAyMDsKPiAgIAlyID0gdHRtX2JvX2lu aXRfbW0oJmFkZXYtPm1tYW4uYmRldiwgVFRNX1BMX1RULCBndHRfc2l6ZSA+PiBQQUdFX1NISUZU KTsKPiAgIAlpZiAocikgewoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX18KYW1kLWdmeCBtYWlsaW5nIGxpc3QKYW1kLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5v cmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9hbWQtZ2Z4 Cg==