From mboxrd@z Thu Jan 1 00:00:00 1970 From: Subject: [PATCH 15/26] drm/amd/display: fix crash on setmode when mode is close to bw limit Date: Mon, 27 May 2019 15:50:54 -0400 Message-ID: <1558986665-12964-16-git-send-email-sunpeng.li@amd.com> References: <1558986665-12964-1-git-send-email-sunpeng.li@amd.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <1558986665-12964-1-git-send-email-sunpeng.li-5C7GfCeVMHo@public.gmane.org> 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: amd-gfx-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Cc: Su Sung Chung RnJvbTogU3UgU3VuZyBDaHVuZyA8U3UuQ2h1bmdAYW1kLmNvbT4KClt3aHldCmR1cmluZyBJdCdz IHBvc3NpYmxlIHRvIGNhbGwgZGNuX3ZhbGlkYXRlX2JhbmR3aWR0aCB3aXRoIG5vIHBsYW5lLgpJ biB0aGF0IGNhc2UsIGFzIHdlIGFyZSBvbmx5IGludGVyc3RlZCBpbiBpZiBvdXRwdXQgdGltaW5n IGlzIHN1cHBvcnRlZCBvciBub3QsCmV2ZW4gaWYgd2UgY2Fubm90IHN1cHBvcnQgbmF0aXZlIHJl c29sdXRpb24sIHdlIHN0aWxsIHdhbnQgdG8gc3VwcG9ydCBsb3dlcgpyZXNvbHV0aW9uIGlmIGl0 IGlzIHZhbGlkCgpbaG93XQppZiB0aGVyZSBleGlzdCBubyBzdXJmYWNlLCBtYWtlIHZpZXdwb3J0 L3JlY19vdXQgc2l6ZSBhdCBtYXggMTA4MHAuIEl0IGlzCmFscmVhZHkga25vd24gdGhhdCAxMDgw cCB4IDYobWF4ICMgb2YgcGlwZXMpIGlzIHN1cHBvcnRlZCwgc28gaWYgd2UgZmFpbAp2YWxpZGF0 aW9uLCBpdCBpcyBiZWNhdXNlIG9mIHRoZSBzdHJlYW0KClNpZ25lZC1vZmYtYnk6IFN1IFN1bmcg Q2h1bmcgPFN1LkNodW5nQGFtZC5jb20+ClJldmlld2VkLWJ5OiBEbXl0cm8gTGFrdHl1c2hraW4g PERteXRyby5MYWt0eXVzaGtpbkBhbWQuY29tPgpBY2tlZC1ieTogTGVvIExpIDxzdW5wZW5nLmxp QGFtZC5jb20+Ci0tLQogZHJpdmVycy9ncHUvZHJtL2FtZC9kaXNwbGF5L2RjL2NhbGNzL2Rjbl9j YWxjcy5jIHwgMTUgKysrKysrKysrKysrKy0tCiAxIGZpbGUgY2hhbmdlZCwgMTMgaW5zZXJ0aW9u cygrKSwgMiBkZWxldGlvbnMoLSkKCmRpZmYgLS1naXQgYS9kcml2ZXJzL2dwdS9kcm0vYW1kL2Rp c3BsYXkvZGMvY2FsY3MvZGNuX2NhbGNzLmMgYi9kcml2ZXJzL2dwdS9kcm0vYW1kL2Rpc3BsYXkv ZGMvY2FsY3MvZGNuX2NhbGNzLmMKaW5kZXggMGEzMzZjOC4uNWMxZTBhZCAxMDA2NDQKLS0tIGEv ZHJpdmVycy9ncHUvZHJtL2FtZC9kaXNwbGF5L2RjL2NhbGNzL2Rjbl9jYWxjcy5jCisrKyBiL2Ry aXZlcnMvZ3B1L2RybS9hbWQvZGlzcGxheS9kYy9jYWxjcy9kY25fY2FsY3MuYwpAQCAtODcyLDgg Kzg3MiwxOSBAQCBib29sIGRjbl92YWxpZGF0ZV9iYW5kd2lkdGgoCiAJCQl2LT5sYl9iaXRfcGVy X3BpeGVsW2lucHV0X2lkeF0gPSAzMDsKIAkJCXYtPnZpZXdwb3J0X3dpZHRoW2lucHV0X2lkeF0g PSBwaXBlLT5zdHJlYW0tPnRpbWluZy5oX2FkZHJlc3NhYmxlOwogCQkJdi0+dmlld3BvcnRfaGVp Z2h0W2lucHV0X2lkeF0gPSBwaXBlLT5zdHJlYW0tPnRpbWluZy52X2FkZHJlc3NhYmxlOwotCQkJ di0+c2NhbGVyX3JlY19vdXRfd2lkdGhbaW5wdXRfaWR4XSA9IHBpcGUtPnN0cmVhbS0+dGltaW5n LmhfYWRkcmVzc2FibGU7Ci0JCQl2LT5zY2FsZXJfcmVjb3V0X2hlaWdodFtpbnB1dF9pZHhdID0g cGlwZS0+c3RyZWFtLT50aW1pbmcudl9hZGRyZXNzYWJsZTsKKwkJCS8qCisJCQkgKiBmb3IgY2Fz ZXMgd2hlcmUgd2UgaGF2ZSBubyBwbGFuZSwgd2Ugd2FudCB0byB2YWxpZGF0ZSB1cCB0byAxMDgw cAorCQkJICogc291cmNlIHNpemUgYmVjYXVzZSBoZXJlIHdlIGFyZSBvbmx5IGludGVyZXN0ZWQg aW4gaWYgdGhlIG91dHB1dAorCQkJICogdGltaW5nIGlzIHN1cHBvcnRlZCBvciBub3QuIGlmIHdl IGNhbm5vdCBzdXBwb3J0IG5hdGl2ZSByZXNvbHV0aW9uCisJCQkgKiBvZiB0aGUgaGlnaCByZXMg ZGlzcGxheSwgd2Ugc3RpbGwgd2FudCB0byBzdXBwb3J0IGxvd2VyIHJlcyB1cCBzY2FsZQorCQkJ ICogdG8gbmF0aXZlCisJCQkgKi8KKwkJCWlmICh2LT52aWV3cG9ydF93aWR0aFtpbnB1dF9pZHhd ID4gMTkyMCkKKwkJCQl2LT52aWV3cG9ydF93aWR0aFtpbnB1dF9pZHhdID0gMTkyMDsKKwkJCWlm ICh2LT52aWV3cG9ydF9oZWlnaHRbaW5wdXRfaWR4XSA+IDEwODApCisJCQkJdi0+dmlld3BvcnRf aGVpZ2h0W2lucHV0X2lkeF0gPSAxMDgwOworCQkJdi0+c2NhbGVyX3JlY19vdXRfd2lkdGhbaW5w dXRfaWR4XSA9IHYtPnZpZXdwb3J0X3dpZHRoW2lucHV0X2lkeF07CisJCQl2LT5zY2FsZXJfcmVj b3V0X2hlaWdodFtpbnB1dF9pZHhdID0gdi0+dmlld3BvcnRfaGVpZ2h0W2lucHV0X2lkeF07CiAJ CQl2LT5vdmVycmlkZV9odGFfcHNbaW5wdXRfaWR4XSA9IDE7CiAJCQl2LT5vdmVycmlkZV92dGFf cHNbaW5wdXRfaWR4XSA9IDE7CiAJCQl2LT5vdmVycmlkZV9odGFfcHNjaHJvbWFbaW5wdXRfaWR4 XSA9IDE7Ci0tIAoyLjcuNAoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX18KYW1kLWdmeCBtYWlsaW5nIGxpc3QKYW1kLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5v cmcKaHR0cHM6Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9hbWQtZ2Z4