[Bug 107223] [GEN9+] 50% perf drop in SynMark Fill* tests (E2E RBC gets disabled?)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=107223

--- Comment #8 from Kenneth Graunke <kenneth at whitecape.org> ---
Eero is spot on, I can confirm this.  OglFillPixel on my Skull Canyon (SKL
GT4e) improves from ~46 FPS to ~93 FPS with the following change on top of
master (partial revert of the cited commit):

diff --git a/src/mesa/drivers/dri/i965/intel_screen.c
b/src/mesa/drivers/dri/i965/intel_screen.c
index eaf5a3b9feb..19ddf2b4072 100644
--- a/src/mesa/drivers/dri/i965/intel_screen.c
+++ b/src/mesa/drivers/dri/i965/intel_screen.c
@@ -1333,9 +1333,6 @@ intel_query_dma_buf_modifiers(__DRIscreen *_screen, int
fourcc, int max,
    if (f == NULL)
       return false;

-   if (!intel_image_format_is_supported(&screen->devinfo, f))
-      return false;
-
    for (i = 0; i < ARRAY_SIZE(supported_modifiers); i++) {
       uint64_t modifier = supported_modifiers[i].modifier;
       if (!modifier_is_supported(&screen->devinfo, f, 0, modifier))

-- 
You are receiving this mail because:
You are the QA Contact for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.freedesktop.org/archives/intel-3d-bugs/attachments/20180827/d423c57f/attachment.html>