From: David Weinehall Subject: [PATCH v2] drm/i915: Speed up DMC firmware loading Date: Mon, 4 Sep 2017 21:38:04 +0300 Message-ID: <20170904183804.28815-1-david.weinehall@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTPS id A64CA6E443 for ; Mon, 4 Sep 2017 18:37:59 +0000 (UTC) List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org Q3VycmVudGx5IHdlJ3JlIGRvaW5nOgoKMS4gYWNxdWlyZSBsb2NrCjIuIHdyaXRlIHdvcmQgdG8g aGFyZHdhcmUKMy4gcmVsZWFzZSBsb2NrCjQuIHJlcGVhdCBmcm9tIDEKCnRvIGxvYWQgdGhlIERN QyBmaXJtd2FyZS4gRHVlIHRvIHRoZSBjb3N0IG9mIGFjcXVpcmluZy9yZWxlYXNpbmcgYSBsb2Nr LAphbmQgdGhlIHNpemUgb2YgdGhlIERNQyBmaXJtd2FyZSwgdGhpcyBzbG93cyBkb3duIERNQyBs b2FkaW5nIGEgbG90LgoKVGhpcyBwYXRjaCBzaW1wbHkgYWNxdWlyZXMgdGhlIGxvY2ssIHdyaXRl cyB0aGUgZW50aXJlIGZpcm13YXJlLAp0aGVuIHJlbGVhc2VzIHRoZSBsb2NrLiAgVGVzdGluZyBz aG93cyByZXN1bWUgc3BlZWR1cHMKaW4gdGhlIG9yZGVyIG9mIDEwbXMgb24gcGxhdGZvcm1zIHdp dGggRE1DIGZpcm13YXJlIChHRU45KykuCgp2MjogUGVyIGZlZWRiYWNrIGZyb20gQ2hyaXMgJiBW aWxsZSB0aGVyZSdzIG5vIG5lZWQgdG8gZG8gdGhlIHdob2xlCiAgICBmb3JjZXdha2UgZGFuY2Us IHNvIGxvc2UgdGhhdCBiaXQgKENocmlzLCBWaWxsZSkKClNpZ25lZC1vZmYtYnk6IERhdmlkIFdl aW5laGFsbCA8ZGF2aWQud2VpbmVoYWxsQGxpbnV4LmludGVsLmNvbT4KLS0tCiBkcml2ZXJzL2dw dS9kcm0vaTkxNS9pbnRlbF9jc3IuYyB8IDE1ICsrKysrKysrKysrKysrLQogMSBmaWxlIGNoYW5n ZWQsIDE0IGluc2VydGlvbnMoKyksIDEgZGVsZXRpb24oLSkKCmRpZmYgLS1naXQgYS9kcml2ZXJz L2dwdS9kcm0vaTkxNS9pbnRlbF9jc3IuYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2Nz ci5jCmluZGV4IDk2NTk4OGY3OWE1NS4uYjdhNmVmN2UwZDUzIDEwMDY0NAotLS0gYS9kcml2ZXJz L2dwdS9kcm0vaTkxNS9pbnRlbF9jc3IuYworKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRl bF9jc3IuYwpAQCAtMjM5LDcgKzIzOSw5IEBAIHN0YXRpYyB2b2lkIGdlbjlfc2V0X2RjX3N0YXRl X2RlYnVnbWFzayhzdHJ1Y3QgZHJtX2k5MTVfcHJpdmF0ZSAqZGV2X3ByaXYpCiB2b2lkIGludGVs X2Nzcl9sb2FkX3Byb2dyYW0oc3RydWN0IGRybV9pOTE1X3ByaXZhdGUgKmRldl9wcml2KQogewog CXUzMiAqcGF5bG9hZCA9IGRldl9wcml2LT5jc3IuZG1jX3BheWxvYWQ7CisJZW51bSBmb3JjZXdh a2VfZG9tYWlucyBmd19kb21haW5zOwogCXVpbnQzMl90IGksIGZ3X3NpemU7CisJdW5zaWduZWQg bG9uZyBmbGFnczsKIAogCWlmICghSEFTX0NTUihkZXZfcHJpdikpIHsKIAkJRFJNX0VSUk9SKCJO byBDU1Igc3VwcG9ydCBhdmFpbGFibGUgZm9yIHRoaXMgcGxhdGZvcm1cbiIpOwpAQCAtMjUxLDkg KzI1MywyMCBAQCB2b2lkIGludGVsX2Nzcl9sb2FkX3Byb2dyYW0oc3RydWN0IGRybV9pOTE1X3By aXZhdGUgKmRldl9wcml2KQogCQlyZXR1cm47CiAJfQogCisJZndfZG9tYWlucyA9IGludGVsX3Vu Y29yZV9mb3JjZXdha2VfZm9yX3JlZyhkZXZfcHJpdiwKKwkJCQkJCSAgICBDU1JfUFJPR1JBTSgw KSwKKwkJCQkJCSAgICBGV19SRUdfV1JJVEUpOworCiAJZndfc2l6ZSA9IGRldl9wcml2LT5jc3Iu ZG1jX2Z3X3NpemU7CisJYXNzZXJ0X3JwbV93YWtlbG9ja19oZWxkKGRldl9wcml2KTsKKwlzcGlu X2xvY2tfaXJxc2F2ZSgmZGV2X3ByaXYtPnVuY29yZS5sb2NrLCBmbGFncyk7CisJaW50ZWxfdW5j b3JlX2ZvcmNld2FrZV9nZXRfX2xvY2tlZChkZXZfcHJpdiwgZndfZG9tYWlucyk7CisKIAlmb3Ig KGkgPSAwOyBpIDwgZndfc2l6ZTsgaSsrKQotCQlJOTE1X1dSSVRFKENTUl9QUk9HUkFNKGkpLCBw YXlsb2FkW2ldKTsKKwkJSTkxNV9XUklURV9GVyhDU1JfUFJPR1JBTShpKSwgcGF5bG9hZFtpXSk7 CisKKwlpbnRlbF91bmNvcmVfZm9yY2V3YWtlX3B1dF9fbG9ja2VkKGRldl9wcml2LCBmd19kb21h aW5zKTsKKwlzcGluX3VubG9ja19pcnFyZXN0b3JlKCZkZXZfcHJpdi0+dW5jb3JlLmxvY2ssIGZs YWdzKTsKIAogCWZvciAoaSA9IDA7IGkgPCBkZXZfcHJpdi0+Y3NyLm1taW9fY291bnQ7IGkrKykg ewogCQlJOTE1X1dSSVRFKGRldl9wcml2LT5jc3IubW1pb2FkZHJbaV0sCi0tIAoyLjE0LjEKCl9f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCkludGVsLWdmeCBt YWlsaW5nIGxpc3QKSW50ZWwtZ2Z4QGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xpc3Rz LmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2ludGVsLWdmeAo=