From mboxrd@z Thu Jan 1 00:00:00 1970 From: Manasi Navare Subject: Re: [PATCH v3 08/14] drm/i915/dp: do not limit rate seek when not needed Date: Tue, 28 Mar 2017 14:02:28 -0700 Message-ID: <20170328210227.GD31477@intel.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTPS id 5DE246E299 for ; Tue, 28 Mar 2017 20:58:13 +0000 (UTC) Content-Disposition: inline In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" To: Jani Nikula Cc: intel-gfx@lists.freedesktop.org, dhinakaran.pandiyan@intel.com List-Id: intel-gfx@lists.freedesktop.org T24gVHVlLCBNYXIgMjgsIDIwMTcgYXQgMDU6NTk6MDhQTSArMDMwMCwgSmFuaSBOaWt1bGEgd3Jv dGU6Cj4gSW4gbGluayB0cmFpbmluZyBmYWxsYmFjaywgd2UncmUgdHJ5aW5nIHRvIGZpbmQgYSBy YXRlIHRoYXQgd2Uga25vdyBpcwo+IGluIGEgc29ydGVkIGFycmF5IG9mIGNvbW1vbiBsaW5rIHJh dGVzLiBXZSBkb24ndCBuZWVkIHRvIGxpbWl0IHRoZSBhcnJheQo+IHVzaW5nIHRoZSBtYXggcmF0 ZS4gRm9yIHRlc3QgcmVxdWVzdCwgdGhlIERQIENUUyBkb2Vzbid0IHNheSB3ZSBzaG91bGQKPiBs aW1pdCB0aGUgcmF0ZSBiYXNlZCBvbiBlYXJsaWVyIGZhbGxiYWNrLgo+CgpUaGUgY29tbWl0IG1l c3NhZ2Ugc2hvdWxkIHByb2JhYmx5IG1lbnRpb24gdGhhdCB5b3UgYXJlIHJlbW92aW5nCmludGVs X2RwX2xpbmtfcmF0ZV9pbmRleCBmdW5jdGlvbiBjb21wbGV0ZWx5IGFuZCB1c2luZwppbnRlbF9k cF9yYXRlX2luZGV4KCkgaW5zdGVhZC4KClJlZ2FyZHMKTWFuYXNpCgogCj4gQ2M6IE1hbmFzaSBO YXZhcmUgPG1hbmFzaS5kLm5hdmFyZUBpbnRlbC5jb20+Cj4gQ2M6IFZpbGxlIFN5cmrDpGzDpCA8 dmlsbGUuc3lyamFsYUBsaW51eC5pbnRlbC5jb20+Cj4gU2lnbmVkLW9mZi1ieTogSmFuaSBOaWt1 bGEgPGphbmkubmlrdWxhQGludGVsLmNvbT4KPiAtLS0KPiAgZHJpdmVycy9ncHUvZHJtL2k5MTUv aW50ZWxfZHAuYyB8IDMxICsrKysrKysrKysrKy0tLS0tLS0tLS0tLS0tLS0tLS0KPiAgMSBmaWxl IGNoYW5nZWQsIDEyIGluc2VydGlvbnMoKyksIDE5IGRlbGV0aW9ucygtKQo+IAo+IGRpZmYgLS1n aXQgYS9kcml2ZXJzL2dwdS9kcm0vaTkxNS9pbnRlbF9kcC5jIGIvZHJpdmVycy9ncHUvZHJtL2k5 MTUvaW50ZWxfZHAuYwo+IGluZGV4IDE4MDhhZjZkNjM1ZC4uOGMwNjFjNTRkNDgxIDEwMDY0NAo+ IC0tLSBhL2RyaXZlcnMvZ3B1L2RybS9pOTE1L2ludGVsX2RwLmMKPiArKysgYi9kcml2ZXJzL2dw dS9kcm0vaTkxNS9pbnRlbF9kcC5jCj4gQEAgLTMxNywyNSArMzE3LDE2IEBAIHN0YXRpYyBpbnQg aW50ZWxfZHBfY29tbW9uX2xlbl9yYXRlX2xpbWl0KHN0cnVjdCBpbnRlbF9kcCAqaW50ZWxfZHAs Cj4gIAlyZXR1cm4gMDsKPiAgfQo+ICAKPiAtc3RhdGljIGludCBpbnRlbF9kcF9saW5rX3JhdGVf aW5kZXgoc3RydWN0IGludGVsX2RwICppbnRlbF9kcCwgaW50IGxpbmtfcmF0ZSkKPiAtewo+IC0J aW50IGNvbW1vbl9sZW47Cj4gLQo+IC0JY29tbW9uX2xlbiA9IGludGVsX2RwX2NvbW1vbl9sZW5f cmF0ZV9saW1pdChpbnRlbF9kcCwKPiAtCQkJCQkJICAgIGludGVsX2RwLT5tYXhfc2lua19saW5r X3JhdGUpOwo+IC0KPiAtCXJldHVybiBpbnRlbF9kcF9yYXRlX2luZGV4KGludGVsX2RwLT5jb21t b25fcmF0ZXMsIGNvbW1vbl9sZW4sIGxpbmtfcmF0ZSk7Cj4gLX0KPiAtCj4gIGludCBpbnRlbF9k cF9nZXRfbGlua190cmFpbl9mYWxsYmFja192YWx1ZXMoc3RydWN0IGludGVsX2RwICppbnRlbF9k cCwKPiAgCQkJCQkgICAgaW50IGxpbmtfcmF0ZSwgdWludDhfdCBsYW5lX2NvdW50KQo+ICB7Cj4g LQljb25zdCBpbnQgKmNvbW1vbl9yYXRlcyA9IGludGVsX2RwLT5jb21tb25fcmF0ZXM7Cj4gLQlp bnQgbGlua19yYXRlX2luZGV4Owo+ICsJaW50IGluZGV4Owo+ICAKPiAtCWxpbmtfcmF0ZV9pbmRl eCA9IGludGVsX2RwX2xpbmtfcmF0ZV9pbmRleChpbnRlbF9kcCwgbGlua19yYXRlKTsKPiAtCWlm IChsaW5rX3JhdGVfaW5kZXggPiAwKSB7Cj4gLQkJaW50ZWxfZHAtPm1heF9zaW5rX2xpbmtfcmF0 ZSA9IGNvbW1vbl9yYXRlc1tsaW5rX3JhdGVfaW5kZXggLSAxXTsKPiArCWluZGV4ID0gaW50ZWxf ZHBfcmF0ZV9pbmRleChpbnRlbF9kcC0+Y29tbW9uX3JhdGVzLAo+ICsJCQkJICAgIGludGVsX2Rw LT5udW1fY29tbW9uX3JhdGVzLAo+ICsJCQkJICAgIGxpbmtfcmF0ZSk7Cj4gKwlpZiAoaW5kZXgg PiAwKSB7Cj4gKwkJaW50ZWxfZHAtPm1heF9zaW5rX2xpbmtfcmF0ZSA9IGludGVsX2RwLT5jb21t b25fcmF0ZXNbaW5kZXggLSAxXTsKPiAgCQlpbnRlbF9kcC0+bWF4X3NpbmtfbGFuZV9jb3VudCA9 IGxhbmVfY291bnQ7Cj4gIAl9IGVsc2UgaWYgKGxhbmVfY291bnQgPiAxKSB7Cj4gIAkJaW50ZWxf ZHAtPm1heF9zaW5rX2xpbmtfcmF0ZSA9IGludGVsX2RwX21heF9zaW5rX3JhdGUoaW50ZWxfZHAp Owo+IEBAIC0xNjg1LDggKzE2NzYsOSBAQCBpbnRlbF9kcF9jb21wdXRlX2NvbmZpZyhzdHJ1Y3Qg aW50ZWxfZW5jb2RlciAqZW5jb2RlciwKPiAgCj4gIAkvKiBVc2UgdmFsdWVzIHJlcXVlc3RlZCBi eSBDb21wbGlhbmNlIFRlc3QgUmVxdWVzdCAqLwo+ICAJaWYgKGludGVsX2RwLT5jb21wbGlhbmNl LnRlc3RfdHlwZSA9PSBEUF9URVNUX0xJTktfVFJBSU5JTkcpIHsKPiAtCQlsaW5rX3JhdGVfaW5k ZXggPSBpbnRlbF9kcF9saW5rX3JhdGVfaW5kZXgoaW50ZWxfZHAsCj4gLQkJCQkJCQkgICBpbnRl bF9kcC0+Y29tcGxpYW5jZS50ZXN0X2xpbmtfcmF0ZSk7Cj4gKwkJbGlua19yYXRlX2luZGV4ID0g aW50ZWxfZHBfcmF0ZV9pbmRleChpbnRlbF9kcC0+Y29tbW9uX3JhdGVzLAo+ICsJCQkJCQkgICAg ICBpbnRlbF9kcC0+bnVtX2NvbW1vbl9yYXRlcywKPiArCQkJCQkJICAgICAgaW50ZWxfZHAtPmNv bXBsaWFuY2UudGVzdF9saW5rX3JhdGUpOwo+ICAJCWlmIChsaW5rX3JhdGVfaW5kZXggPj0gMCkK PiAgCQkJbWluX2Nsb2NrID0gbWF4X2Nsb2NrID0gbGlua19yYXRlX2luZGV4Owo+ICAJCW1pbl9s YW5lX2NvdW50ID0gbWF4X2xhbmVfY291bnQgPSBpbnRlbF9kcC0+Y29tcGxpYW5jZS50ZXN0X2xh bmVfY291bnQ7Cj4gQEAgLTM5ODgsOCArMzk4MCw5IEBAIHN0YXRpYyB1aW50OF90IGludGVsX2Rw X2F1dG90ZXN0X2xpbmtfdHJhaW5pbmcoc3RydWN0IGludGVsX2RwICppbnRlbF9kcCkKPiAgCX0K PiAgCS8qIFZhbGlkYXRlIHRoZSByZXF1ZXN0ZWQgbGluayByYXRlICovCj4gIAl0ZXN0X2xpbmtf cmF0ZSA9IGRybV9kcF9id19jb2RlX3RvX2xpbmtfcmF0ZSh0ZXN0X2xpbmtfYncpOwo+IC0JbGlu a19yYXRlX2luZGV4ID0gaW50ZWxfZHBfbGlua19yYXRlX2luZGV4KGludGVsX2RwLAo+IC0JCQkJ CQkgICB0ZXN0X2xpbmtfcmF0ZSk7Cj4gKwlsaW5rX3JhdGVfaW5kZXggPSBpbnRlbF9kcF9yYXRl X2luZGV4KGludGVsX2RwLT5jb21tb25fcmF0ZXMsCj4gKwkJCQkJICAgICAgaW50ZWxfZHAtPm51 bV9jb21tb25fcmF0ZXMsCj4gKwkJCQkJICAgICAgdGVzdF9saW5rX3JhdGUpOwo+ICAJaWYgKGxp bmtfcmF0ZV9pbmRleCA8IDApCj4gIAkJcmV0dXJuIERQX1RFU1RfTkFLOwo+ICAKPiAtLSAKPiAy LjEuNAo+IApfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpJ bnRlbC1nZnggbWFpbGluZyBsaXN0CkludGVsLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0 cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK