From 54e45d1d736954bd9f11d6825c7b242e16f8283b Mon Sep 17 00:00:00 2001 From: Alyssa Rosenzweig Date: Wed, 13 Mar 2019 00:53:34 +0000 Subject: [PATCH] panfrost: Allocate extra data for depth buffer It's not clear why the hardware "spills" a little bit, but if we don't do this, we get MMU faults with linear depth buffers. Signed-off-by: Alyssa Rosenzweig --- src/gallium/drivers/panfrost/pan_resource.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/src/gallium/drivers/panfrost/pan_resource.c b/src/gallium/drivers/panfrost/pan_resource.c index 2fa468b177b..89be07871a5 100644 --- a/src/gallium/drivers/panfrost/pan_resource.c +++ b/src/gallium/drivers/panfrost/pan_resource.c @@ -197,6 +197,11 @@ panfrost_create_bo(struct panfrost_screen *screen, const struct pipe_resource *t if (template->height0) sz *= template->height0; if (template->depth0) sz *= template->depth0; + /* Depth buffers require extra space for unknown reasons */ + + if (template->bind & PIPE_BIND_DEPTH_STENCIL) + sz = sz + sz/256; + /* Based on the usage, figure out what storing will be used. There are * various tradeoffs: * -- 2.30.2