diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0480-drm-vc4-Don-t-force-new-binner-overflow-allocation-p.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.4/0480-drm-vc4-Don-t-force-new-binner-overflow-allocation-p.patch | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0480-drm-vc4-Don-t-force-new-binner-overflow-allocation-p.patch b/target/linux/brcm2708/patches-4.4/0480-drm-vc4-Don-t-force-new-binner-overflow-allocation-p.patch new file mode 100644 index 0000000000..389f9b46f7 --- /dev/null +++ b/target/linux/brcm2708/patches-4.4/0480-drm-vc4-Don-t-force-new-binner-overflow-allocation-p.patch @@ -0,0 +1,28 @@ +From 05f81ea4c1f661703b4b2e59839a518c088e8824 Mon Sep 17 00:00:00 2001 +From: Eric Anholt <eric@anholt.net> +Date: Tue, 2 Aug 2016 17:17:52 -0700 +Subject: [PATCH] drm/vc4: Don't force new binner overflow allocation per draw. + +This came from the initial bringup code, which always idled the GPU +and always reset the overflow. That massively increases the size of +the working set when you're doing lots of small draws, though, as is +common on X desktops or piglit. + +Signed-off-by: Eric Anholt <eric@anholt.net> +--- + drivers/gpu/drm/vc4/vc4_gem.c | 4 ---- + 1 file changed, 4 deletions(-) + +--- a/drivers/gpu/drm/vc4/vc4_gem.c ++++ b/drivers/gpu/drm/vc4/vc4_gem.c +@@ -435,10 +435,6 @@ again: + + vc4_flush_caches(dev); + +- /* Disable the binner's pre-loaded overflow memory address */ +- V3D_WRITE(V3D_BPOA, 0); +- V3D_WRITE(V3D_BPOS, 0); +- + /* Either put the job in the binner if it uses the binner, or + * immediately move it to the to-be-rendered queue. + */ |