| From b7680ce04b09b8647ceeb2820ea3a86c828f8d3b Mon Sep 17 00:00:00 2001 |
| From: =?UTF-8?q?St=C3=A9phane=20Marchesin?= <marcheu@chromium.org> |
| Date: Fri, 28 Apr 2017 11:56:59 -0700 |
| Subject: [PATCH] CHROMIUM: disable hiz on braswell |
| |
| Hiz causes GPU hangs on braswell, so let's disable it. |
| |
| BUG=b/35570762, b/35574152 |
| TEST=run graphics_GLBench on 3 * kefka for a total of 45 hours, no GPU hangs observed |
| |
| Change-Id: I57402696fb0e970f0a38d87a33f2179b294a2cf1 |
| --- |
| src/mesa/drivers/dri/i965/brw_context.c | 4 +++- |
| 1 file changed, 3 insertions(+), 1 deletion(-) |
| |
| diff --git a/src/mesa/drivers/dri/i965/brw_context.c b/src/mesa/drivers/dri/i965/brw_context.c |
| index 0b3ac897aa..4f91f17240 100644 |
| --- a/src/mesa/drivers/dri/i965/brw_context.c |
| +++ b/src/mesa/drivers/dri/i965/brw_context.c |
| @@ -970,7 +970,9 @@ brwCreateContext(gl_api api, |
| brw->is_cherryview = devinfo->is_cherryview; |
| brw->is_broxton = devinfo->is_broxton; |
| brw->has_llc = devinfo->has_llc; |
| - brw->has_hiz = devinfo->has_hiz_and_separate_stencil; |
| + /* Braswell has hiz issues, disable it. */ |
| + brw->has_hiz = devinfo->has_hiz_and_separate_stencil |
| + && screen->deviceID != 0x22B1; |
| brw->has_separate_stencil = devinfo->has_hiz_and_separate_stencil; |
| brw->has_pln = devinfo->has_pln; |
| brw->has_compr4 = devinfo->has_compr4; |
| -- |
| 2.13.0.rc0.306.g87b477812d-goog |
| |
