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12 Apr 2021 02:09:42 -0700 From: Matthew Auld To: intel-gfx@lists.freedesktop.org Subject: [PATCH 15/19] drm/i915: WA for zero memory channel Date: Mon, 12 Apr 2021 10:05:22 +0100 Message-Id: <20210412090526.30547-16-matthew.auld@intel.com> X-Mailer: git-send-email 2.26.3 In-Reply-To: <20210412090526.30547-1-matthew.auld@intel.com> References: <20210412090526.30547-1-matthew.auld@intel.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Lucas De Marchi , =?UTF-8?q?Jos=C3=A9=20Roberto=20de=20Souza?= , Stanislav Lisovskiy , Daniele Ceraolo Spurio , dri-devel@lists.freedesktop.org, Rodrigo Vivi Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" RnJvbTogSm9zw6kgUm9iZXJ0byBkZSBTb3V6YSA8am9zZS5zb3V6YUBpbnRlbC5jb20+CgpDb21t aXQgYzQ1N2Q5Y2YyNTZlICgiZHJtL2k5MTU6IE1ha2Ugc3VyZSB3ZSBoYXZlIGVub3VnaCBtZW1v cnkKYmFuZHdpZHRoIG9uIElDTCIpIGFzc3VtZXMgdGhhdCB3ZSBhbHdheXMgaGF2ZSBhIG5vbi16 ZXJvCmRyYW1faW5mby0+Y2hhbm5lbHMgYW5kIHVzZXMgaXQgYXMgYSBkaXZpc29yLiBXZSBuZWVk IG51bSBtZW1vcnkKY2hhbm5lbHMgdG8gYmUgYXQgbGVhc3QgMSBmb3Igc2FuZSBidyBsaW1pdHMg Y2hlY2tpbmcsIGV2ZW4gd2hlbiBQQ29kZQpyZXR1cm5zIDAsIHNvIGxldHMgZm9yY2UgaXQgdG8g MSBpbiB0aGlzIGNhc2UuCgpDYzogU3RhbmlzbGF2IExpc292c2tpeSA8c3RhbmlzbGF2Lmxpc292 c2tpeUBpbnRlbC5jb20+CkNjOiBSb2RyaWdvIFZpdmkgPHJvZHJpZ28udml2aUBpbnRlbC5jb20+ CkNjOiBWaWxsZSBTeXJqw6Rsw6QgPHZpbGxlLnN5cmphbGFAbGludXguaW50ZWwuY29tPgpTaWdu ZWQtb2ZmLWJ5OiBEYW5pZWxlIENlcmFvbG8gU3B1cmlvIDxkYW5pZWxlLmNlcmFvbG9zcHVyaW9A aW50ZWwuY29tPgpTaWduZWQtb2ZmLWJ5OiBMdWNhcyBEZSBNYXJjaGkgPGx1Y2FzLmRlbWFyY2hp QGludGVsLmNvbT4KLS0tCiBkcml2ZXJzL2dwdS9kcm0vaTkxNS9kaXNwbGF5L2ludGVsX2J3LmMg fCAxICsKIDEgZmlsZSBjaGFuZ2VkLCAxIGluc2VydGlvbigrKQoKZGlmZiAtLWdpdCBhL2RyaXZl cnMvZ3B1L2RybS9pOTE1L2Rpc3BsYXkvaW50ZWxfYncuYyBiL2RyaXZlcnMvZ3B1L2RybS9pOTE1 L2Rpc3BsYXkvaW50ZWxfYncuYwppbmRleCA1ODRhYjVjZTQxMDYuLmM1ZjcwZjNlOTMwZSAxMDA2 NDQKLS0tIGEvZHJpdmVycy9ncHUvZHJtL2k5MTUvZGlzcGxheS9pbnRlbF9idy5jCisrKyBiL2Ry aXZlcnMvZ3B1L2RybS9pOTE1L2Rpc3BsYXkvaW50ZWxfYncuYwpAQCAtMTc1LDYgKzE3NSw3IEBA IHN0YXRpYyBpbnQgaWNsX2dldF9id19pbmZvKHN0cnVjdCBkcm1faTkxNV9wcml2YXRlICpkZXZf cHJpdiwgY29uc3Qgc3RydWN0IGludGVsCiAJCQkgICAgIkZhaWxlZCB0byBnZXQgbWVtb3J5IHN1 YnN5c3RlbSBpbmZvcm1hdGlvbiwgaWdub3JpbmcgYmFuZHdpZHRoIGxpbWl0cyIpOwogCQlyZXR1 cm4gcmV0OwogCX0KKwludW1fY2hhbm5lbHMgPSBtYXhfdCh1OCwgMSwgbnVtX2NoYW5uZWxzKTsK IAogCWRlaW50ZXJsZWF2ZSA9IERJVl9ST1VORF9VUChudW1fY2hhbm5lbHMsIGlzX3lfdGlsZSA/ IDQgOiAyKTsKIAlkY2xrX21heCA9IGljbF9zYWd2X21heF9kY2xrKCZxaSk7Ci0tIAoyLjI2LjMK Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmRyaS1kZXZl bCBtYWlsaW5nIGxpc3QKZHJpLWRldmVsQGxpc3RzLmZyZWVkZXNrdG9wLm9yZwpodHRwczovL2xp c3RzLmZyZWVkZXNrdG9wLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2RyaS1kZXZlbAo=