From mboxrd@z Thu Jan 1 00:00:00 1970 From: Robert Bragg Subject: [RFC PATCH 10/11] drm/i915: report OA buf overrun + report lost status Date: Thu, 7 May 2015 15:15:53 +0100 Message-ID: <1431008154-6833-11-git-send-email-robert@sixbynine.org> References: <1431008154-6833-1-git-send-email-robert@sixbynine.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1431008154-6833-1-git-send-email-robert@sixbynine.org> 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 Cc: Peter Zijlstra , David Airlie , linux-api@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Ingo Molnar , Paul Mackerras , Arnaldo Carvalho de Melo , Daniel Vetter List-Id: linux-api@vger.kernel.org VGhpcyBhZGRzIHR3byBkcml2ZXIgc3BlY2lmaWMgUEVSRl9SRUNPUkRfREVWSUNFIGV2ZW50IHR5 cGVzIGZvcgpyZXBvcnRpbmcgT0EgYnVmZmVyIG92ZXJydW4gYW5kIHJlcG9ydCBsb3N0IHN0YXR1 cyBiaXRzIHRvIHVzZXJzcGFjZS4KClNpZ25lZC1vZmYtYnk6IFJvYmVydCBCcmFnZyA8cm9iZXJ0 QHNpeGJ5bmluZS5vcmc+Ci0tLQogZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9vYV9wZXJmLmMg fCA1MyArKysrKysrKysrKysrKysrKysrKysrKystLS0tLS0tLS0tLS0tCiBpbmNsdWRlL3VhcGkv ZHJtL2k5MTVfZHJtLmggICAgICAgICB8IDI3ICsrKysrKysrKysrKysrKysrKysKIDIgZmlsZXMg Y2hhbmdlZCwgNjIgaW5zZXJ0aW9ucygrKSwgMTggZGVsZXRpb25zKC0pCgpkaWZmIC0tZ2l0IGEv ZHJpdmVycy9ncHUvZHJtL2k5MTUvaTkxNV9vYV9wZXJmLmMgYi9kcml2ZXJzL2dwdS9kcm0vaTkx NS9pOTE1X29hX3BlcmYuYwppbmRleCBjM2U1MDU5Li5kMGRhZDVkIDEwMDY0NAotLS0gYS9kcml2 ZXJzL2dwdS9kcm0vaTkxNS9pOTE1X29hX3BlcmYuYworKysgYi9kcml2ZXJzL2dwdS9kcm0vaTkx NS9pOTE1X29hX3BlcmYuYwpAQCAtMTU5LDYgKzE1OSwzNCBAQCBzdGF0aWMgdTMyIGZvcndhcmRf b2Ffc25hcHNob3RzKHN0cnVjdCBkcm1faTkxNV9wcml2YXRlICpkZXZfcHJpdiwKIAlyZXR1cm4g ZGV2X3ByaXYtPm9hX3BtdS5vYV9idWZmZXIuZ3R0X29mZnNldCArIGhlYWQ7CiB9CiAKK3N0YXRp YyB2b2lkIGxvZ19vYV9zdGF0dXMoc3RydWN0IGRybV9pOTE1X3ByaXZhdGUgKmRldl9wcml2LAor CQkJICBlbnVtIGRybV9pOTE1X29hX2V2ZW50X3R5cGUgc3RhdHVzKQoreworCXN0cnVjdCB7CisJ CXN0cnVjdCBwZXJmX2V2ZW50X2hlYWRlciBoZWFkZXI7CisJCWRybV9pOTE1X29hX2V2ZW50X2hl YWRlcl90IGk5MTVfb2FfaGVhZGVyOworCX0gb2FfZXZlbnQ7CisJc3RydWN0IHBlcmZfb3V0cHV0 X2hhbmRsZSBoYW5kbGU7CisJc3RydWN0IHBlcmZfc2FtcGxlX2RhdGEgc2FtcGxlX2RhdGE7CisJ c3RydWN0IHBlcmZfZXZlbnQgKmV2ZW50ID0gZGV2X3ByaXYtPm9hX3BtdS5leGNsdXNpdmVfZXZl bnQ7CisJaW50IHJldDsKKworCW9hX2V2ZW50LmhlYWRlci5zaXplID0gc2l6ZW9mKG9hX2V2ZW50 KTsKKwlvYV9ldmVudC5oZWFkZXIudHlwZSA9IFBFUkZfUkVDT1JEX0RFVklDRTsKKwlvYV9ldmVu dC5pOTE1X29hX2hlYWRlci50eXBlID0gc3RhdHVzOworCW9hX2V2ZW50Lmk5MTVfb2FfaGVhZGVy Ll9fcmVzZXJ2ZWRfMSA9IDA7CisKKwlwZXJmX2V2ZW50X2hlYWRlcl9faW5pdF9pZCgmb2FfZXZl bnQuaGVhZGVyLCAmc2FtcGxlX2RhdGEsIGV2ZW50KTsKKworCXJldCA9IHBlcmZfb3V0cHV0X2Jl Z2luKCZoYW5kbGUsIGV2ZW50LCBvYV9ldmVudC5oZWFkZXIuc2l6ZSk7CisJaWYgKHJldCkKKwkJ cmV0dXJuOworCisJcGVyZl9vdXRwdXRfcHV0KCZoYW5kbGUsIG9hX2V2ZW50KTsKKwlwZXJmX2V2 ZW50X19vdXRwdXRfaWRfc2FtcGxlKGV2ZW50LCAmaGFuZGxlLCAmc2FtcGxlX2RhdGEpOworCXBl cmZfb3V0cHV0X2VuZCgmaGFuZGxlKTsKK30KKwogc3RhdGljIHZvaWQgZmx1c2hfb2Ffc25hcHNo b3RzKHN0cnVjdCBkcm1faTkxNV9wcml2YXRlICpkZXZfcHJpdiwKIAkJCSAgICAgICBib29sIHNr aXBfaWZfZmx1c2hpbmcpCiB7CkBAIC0xODksMjUgKzIxNywxNCBAQCBzdGF0aWMgdm9pZCBmbHVz aF9vYV9zbmFwc2hvdHMoc3RydWN0IGRybV9pOTE1X3ByaXZhdGUgKmRldl9wcml2LAogCWhlYWQg PSBvYXN0YXR1czIgJiBHRU43X09BU1RBVFVTMl9IRUFEX01BU0s7CiAJdGFpbCA9IG9hc3RhdHVz MSAmIEdFTjdfT0FTVEFUVVMxX1RBSUxfTUFTSzsKIAotCWlmIChvYXN0YXR1czEgJiAoR0VON19P QVNUQVRVUzFfT0FCVUZGRVJfT1ZFUkZMT1cgfAotCQkJIEdFTjdfT0FTVEFUVVMxX1JFUE9SVF9M T1NUKSkgeworCWlmICh1bmxpa2VseShvYXN0YXR1czEgJiAoR0VON19PQVNUQVRVUzFfT0FCVUZG RVJfT1ZFUkZMT1cgfAorCQkJCSAgR0VON19PQVNUQVRVUzFfUkVQT1JUX0xPU1QpKSkgewogCi0J CS8qIFhYWDogSG93IGNhbiB3ZSBjb252ZXkgcmVwb3J0LWxvc3QgZXJyb3JzIHRvIHVzZXJzcGFj ZT8gIEl0Ci0JCSAqIGRvZXNuJ3QgbG9vayBsaWtlIHBlcmYncyBfUkVQT1JUX0xPU1QgbWVjaGFu aXNtIGlzCi0JCSAqIGFwcHJvcHJpYXRlIGluIHRoaXMgY2FzZTsgdGhhdCdzIGp1c3QgZm9yIGNh c2VzIHdoZXJlIHdlCi0JCSAqIHJ1biBvdXQgb2Ygc3BhY2UgZm9yIHNhbXBsZXMgaW4gdGhlIHBl cmYgY2lyY3VsYXIgYnVmZmVyLgotCQkgKgotCQkgKiBNYXliZSB3ZSBjYW4gY2xhaW0gYSBzcGVj aWFsIHJlcG9ydC1pZCBhbmQgdXNlIHRoYXQgdG8KLQkJICogZm9yd2FyZCBzdGF0dXMgZmxhZ3M/ Ci0JCSAqLwotCQlwcl9kZWJ1ZygiT0EgYnVmZmVyIHJlYWQgZXJyb3I6IGFkZHIgPSAlcCwgaGVh ZCA9ICV1LCBvZmZzZXQgPSAldSwgdGFpbCA9ICV1IGNudCBvJ2Zsb3cgPSAlZCwgYnVmIG8nZmxv dyA9ICVkLCBycHQgbG9zdCA9ICVkXG4iLAotCQkJIGRldl9wcml2LT5vYV9wbXUub2FfYnVmZmVy LmFkZHIsCi0JCQkgaGVhZCwKLQkJCSBoZWFkIC0gZGV2X3ByaXYtPm9hX3BtdS5vYV9idWZmZXIu Z3R0X29mZnNldCwKLQkJCSB0YWlsLAotCQkJIG9hc3RhdHVzMSAmIEdFTjdfT0FTVEFUVVMxX0NP VU5URVJfT1ZFUkZMT1cgPyAxIDogMCwKLQkJCSBvYXN0YXR1czEgJiBHRU43X09BU1RBVFVTMV9P QUJVRkZFUl9PVkVSRkxPVyA/IDEgOiAwLAotCQkJIG9hc3RhdHVzMSAmIEdFTjdfT0FTVEFUVVMx X1JFUE9SVF9MT1NUID8gMSA6IDApOworCQlpZiAob2FzdGF0dXMxICYgR0VON19PQVNUQVRVUzFf T0FCVUZGRVJfT1ZFUkZMT1cpCisJCQlsb2dfb2Ffc3RhdHVzKGRldl9wcml2LCBJOTE1X09BX1JF Q09SRF9CVUZGRVJfT1ZFUkZMT1cpOworCisJCWlmIChvYXN0YXR1czEgJiBHRU43X09BU1RBVFVT MV9SRVBPUlRfTE9TVCkKKwkJCWxvZ19vYV9zdGF0dXMoZGV2X3ByaXYsIEk5MTVfT0FfUkVDT1JE X1JFUE9SVF9MT1NUKTsKIAogCQlJOTE1X1dSSVRFKEdFTjdfT0FTVEFUVVMxLCBvYXN0YXR1czEg JgogCQkJICAgfihHRU43X09BU1RBVFVTMV9PQUJVRkZFUl9PVkVSRkxPVyB8CmRpZmYgLS1naXQg YS9pbmNsdWRlL3VhcGkvZHJtL2k5MTVfZHJtLmggYi9pbmNsdWRlL3VhcGkvZHJtL2k5MTVfZHJt LmgKaW5kZXggN2FhMWQzMy4uMjg3MTkyMiAxMDA2NDQKLS0tIGEvaW5jbHVkZS91YXBpL2RybS9p OTE1X2RybS5oCisrKyBiL2luY2x1ZGUvdWFwaS9kcm0vaTkxNV9kcm0uaApAQCAtODksNiArODks MzMgQEAgdHlwZWRlZiBzdHJ1Y3QgX2RybV9pOTE1X29hX2F0dHIgewogCSAgICAgIF9fcmVzZXJ2 ZWRfMSA6IDYzOwogfSBkcm1faTkxNV9vYV9hdHRyX3Q7CiAKKy8qIEhlYWRlciBmb3IgUEVSRl9S RUNPUkRfREVWSUNFIHR5cGUgZXZlbnRzICovCit0eXBlZGVmIHN0cnVjdCBfZHJtX2k5MTVfb2Ff ZXZlbnRfaGVhZGVyIHsKKwlfX3UzMiB0eXBlOworCV9fdTMyIF9fcmVzZXJ2ZWRfMTsKK30gZHJt X2k5MTVfb2FfZXZlbnRfaGVhZGVyX3Q7CisKK2VudW0gZHJtX2k5MTVfb2FfZXZlbnRfdHlwZSB7 CisKKwkvKgorCSAqIHN0cnVjdCB7CisJICoJc3RydWN0IHBlcmZfZXZlbnRfaGVhZGVyCWhlYWRl cjsKKwkgKglkcm1faTkxNV9vYV9ldmVudF9oZWFkZXJfdAlpOTE1X29hX2hlYWRlcjsKKwkgKiB9 OworCSAqLworCUk5MTVfT0FfUkVDT1JEX0JVRkZFUl9PVkVSRkxPVwkJPSAxLAorCisJLyoKKwkg KiBzdHJ1Y3QgeworCSAqCXN0cnVjdCBwZXJmX2V2ZW50X2hlYWRlcgloZWFkZXI7CisJICoJZHJt X2k5MTVfb2FfZXZlbnRfaGVhZGVyX3QJaTkxNV9vYV9oZWFkZXI7CisJICogfTsKKwkgKi8KKwlJ OTE1X09BX1JFQ09SRF9SRVBPUlRfTE9TVAkJPSAyLAorCisJSTkxNV9PQV9SRUNPUkRfTUFYLAkJ CS8qIG5vbi1BQkkgKi8KK307CisKIC8qIEVhY2ggcmVnaW9uIGlzIGEgbWluaW11bSBvZiAxNmss IGFuZCB0aGVyZSBhcmUgYXQgbW9zdCAyNTUgb2YgdGhlbS4KICAqLwogI2RlZmluZSBJOTE1X05S X1RFWF9SRUdJT05TIDI1NQkvKiB0YWJsZSBzaXplIDJrIC0gbWF4aW11bSBkdWUgdG8gdXNlCi0t IAoyLjMuMgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18K SW50ZWwtZ2Z4IG1haWxpbmcgbGlzdApJbnRlbC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0 dHA6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9pbnRlbC1nZngK