Hi Kernel Maintainers
I have been tracking related bugs 704987 and 703715, I have suggested a
fix that has been under test for the last week and seems to fix the
reported issue, the following is the patch from the stable tree that
reverts Debian patch,
features/all/Input-add-Synaptics-USB-device-driver.patch.
Testing has been editing, creating and reading various Libre Office
files without any symptoms reported, all with various touch pad
interactions, suspend, resume.
commit e24fb4d67f53530038a9711d0c1f65937490bb8c
Author: Ben Hutchings <b...@decadent.org.uk>
Date: Tue Jun 25 04:15:27 2013 +0100
Revert "drm/i915: GFX_MODE Flush TLB Invalidate Mode must be '1'
for scanli
This reverts commit 393143615d9f2f581d87387268dc11b95adc339c, which
was commit f05bb0c7b624252a5e768287e340e8e45df96e42 upstream.
This has been found to cause GPU hangs when backported to 3.2, though
not in mainline.
References: http://bugs.launchpad.net/bugs/1140716
Cc: Steve Conklin <sconk...@canonical.com>
Cc: Stefan Bader <stefan.ba...@canonical.com>
Cc: Bradd Figg <brad.f...@canonical.com>
Cc: Luis Henriques <luis.henriq...@canonical.com>
Signed-off-by: Ben Hutchings <b...@decadent.org.uk>
diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c
b/drivers/gpu/drm/i915/inte
index 4fddd21..38a7793 100644
--- a/drivers/gpu/drm/i915/intel_ringbuffer.c
+++ b/drivers/gpu/drm/i915/intel_ringbuffer.c
@@ -408,11 +408,6 @@ static int init_render_ring(struct
intel_ring_buffer *ring)
if (INTEL_INFO(dev)->gen >= 6)
I915_WRITE(MI_MODE,
GFX_MODE_ENABLE(ASYNC_FLIP_PERF_DISABLE));
- /* Required for the hardware to program scanline values for
waiting */
- if (INTEL_INFO(dev)->gen == 6)
- I915_WRITE(GFX_MODE,
- GFX_MODE_ENABLE(GFX_TLB_INVALIDATE_ALWAYS));
-
if (IS_GEN7(dev))
I915_WRITE(GFX_MODE_GEN7,
GFX_MODE_DISABLE(GFX_TLB_INVALIDATE_ALWAYS) |
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