linux-toradex.git/drivers/gpu, branch v2.6.34.4

i915: fix ironlake edp panel setup (v4)

2010-08-13T20:27:36+00:00

commit fe27d53e5c597ee5ba5d72a29d517091f244e974 upstream.

The eDP spec claims a 20% overhead for the 8:10 encoding scheme used
on the wire. Take this into account when picking the lane/clock speed
for the panel.

v3: some panels are out of spec, try our best to deal with them, don't
refuse modes on eDP panels, and try the largest allowed settings if
all else fails on eDP.
v4: fix stupid typo, forgot to git add before amending.

Fixes several reports in bugzilla:

      https://bugs.freedesktop.org/show_bug.cgi?id=28070

Signed-off-by: Dave Airlie 
Signed-off-by: Eric Anholt 
Cc: Manoj Iyer 
Signed-off-by: Greg Kroah-Hartman

drm/i915: Use RSEN instead of HTPLG for tfp410 monitor detection.

2010-08-13T20:27:34+00:00

commit f458823b864c6def488f951a79986fa205aba4f1 upstream.

Presence detection of a digital monitor seems not to be reliable using
the HTPLG bit.

Dave Müller 
Signed-off-by: Greg Kroah-Hartman

drm/edid: Fix the HDTV hack sync adjustment

2010-08-13T20:27:30+00:00

commit a4967de6cbb260ad0f6612a1d2035e119ef1578f upstream.

We're adjusting horizontal timings only here, moving vsync was just a
slavish translation of a typo in the X server.

Signed-off-by: Adam Jackson 
Signed-off-by: Dave Airlie 
Signed-off-by: Greg Kroah-Hartman

drm/i915: Check overlay stride errata for i830 and i845

2010-08-10T17:54:15+00:00

commit a1efd14a99483a4fb9308902397ed86b69454c99 upstream.

Apparently i830 and i845 cannot handle any stride that is not a multiple
of 256, unlike their brethren which do support 64 byte aligned strides.

Signed-off-by: Chris Wilson 
Signed-off-by: Eric Anholt 
Signed-off-by: Greg Kroah-Hartman

drm/radeon/kms/r7xx: add workaround for hw issue with HDP flush

2010-08-10T17:54:15+00:00

commit 812d046915f48236657f02c06d7dc47140e9ceda upstream.

Use of HDP_*_COHERENCY_FLUSH_CNTL can cause a hang in certain
situations.  Add workaround.

Signed-off-by: Alex Deucher 
Signed-off-by: Dave Airlie 
Signed-off-by: Greg Kroah-Hartman

drm/radeon/kms/igp: sideport is AMD only

2010-08-10T17:54:14+00:00

commit 4c70b2eae371ebe83019ac47de6088b78124ab36 upstream.

Intel variants don't support it.

Signed-off-by: Alex Deucher 
Signed-off-by: Dave Airlie 
Signed-off-by: Greg Kroah-Hartman

drm/i915: make sure we shut off the panel in eDP configs

2010-08-02T17:30:26+00:00

commit 5620ae29f1eabe655f44335231b580a78c8364ea upstream.

Fix error from the last pull request.  Making sure we shut the panel off
is more correct and saves power.

Signed-off-by: Jesse Barnes 
Signed-off-by: Linus Torvalds 
Signed-off-by: Greg Kroah-Hartman

drm/i915: make sure eDP panel is turned on

2010-08-02T17:30:25+00:00

commit 9934c132989d5c488d2e15188220ce240960ce96 upstream.

When enabling the eDP port, we need to make sure the panel is turned on
after training the link.  If we don't, it likely won't come back after
suspend or may not come up at all.

For unknown reasons, unlocking the panel regs before initiating a power
on sequence is necessary.  There are known bugs in the PCH panel
sequencing logic, apparently this is one possible workaround.

Fixes https://bugs.freedesktop.org/show_bug.cgi?id=28739.

Signed-off-by: Jesse Barnes 
Tested-by: "Paulo J. S. Silva" 
Signed-off-by: Eric Anholt 
Signed-off-by: Greg Kroah-Hartman

drm/i915: add PANEL_UNLOCK_REGS definition

2010-08-02T17:30:25+00:00

commit 4a655f043160eeae447efd3be297b6b4c397a640 upstream.

In some cases, unlocking the panel regs is safe and can help us avoid a
flickery, full mode set sequence.  So define the unlock key and use it.

Signed-off-by: Jesse Barnes 
Signed-off-by: Eric Anholt 
Signed-off-by: Greg Kroah-Hartman

drm/i915: handle shared framebuffers when flipping

2010-08-02T17:30:04+00:00

commit be9a3dbf65a69933b06011f049b1e2fdfa6bc8b9 upstream.

If a framebuffer is shared across CRTCs, the x,y position of one of them
is likely to be something other than the origin (e.g. for extended
desktop configs).  So calculate the offset at flip time so such
configurations can work.

Fixes https://bugs.freedesktop.org/show_bug.cgi?id=28518.

Signed-off-by: Jesse Barnes 
Tested-by: Thomas M. 
Tested-by: fangxun 
Signed-off-by: Eric Anholt 
Signed-off-by: Greg Kroah-Hartman