drm-intel-fixes (drm/i915 driver)

Here are three tiny patches, two new bug fixes and one regression fix that disables FBC on Ironlake and older chips.

The following changes since commit b6fd41e29dea9c6753b1843a77e50433e6123bcb:

Linux 3.1-rc6 (2011-09-12 14:02:02 -0700)

are available in the git repository at:
git://people.freedesktop.org/~keithp/linux drm-intel-fixes

Keith Packard (2):
drm/i915: Enable dither whenever display bpc < frame buffer bpc drm/i915: FBC off for ironlake and older, otherwise on by default

Simon Farnsworth (1):
drm/i915: Enable SDVO hotplug interrupts for HDMI and DVI

 drivers/gpu/drm/i915/i915_drv.c      |    4 +-
 drivers/gpu/drm/i915/intel_display.c |   22 ++++++--
 drivers/gpu/drm/i915/intel_drv.h     |    3 -
 drivers/gpu/drm/i915/intel_sdvo.c    |   88 +++++++++++-----------------------
 4 files changed, 47 insertions(+), 70 deletions(-)

[email protected]

So I got this error notice at bootup with the current -git tree. Everything seems to work despite it, but I thought I'd mention it.

[drm:ironlake_update_pch_refclk] *ERROR* enabling SSC on PCH

This is a Lenovo X1.

Linus

---
00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09) (prog-if 00 [VGA controller])
Subsystem: Lenovo Device 21e8
Flags: bus master, fast devsel, latency 0, IRQ 40 Memory at f0000000 (64-bit, non-prefetchable) [size=4M] Memory at e0000000 (64-bit, prefetchable) [size=256M] I/O ports at 5000 [size=64]
Expansion ROM at <unassigned> [disabled]
Capabilities: <access denied>
Kernel driver in use: i915
00: 86 80 26 01 07 04 90 00 09 00 00 03 00 00 00 00
10: 04 00 00 f0 00 00 00 00 0c 00 00 e0 00 00 00 00
20: 01 50 00 00 00 00 00 00 00 00 00 00 aa 17 e8 21
30: 00 00 00 00 90 00 00 00 00 00 00 00 0b 01 00 00

Thanks. I've got a patch series that fixes a pile of refclk bugs which is still out for review that should fix this. This error should be harmless, but still..

[email protected]

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And what about blanking (black screen) issue reported Sep21? I confirm that disabling the blanking e.g. commenting out /* intel_panel_set_backlight(dev, 0); */
in intel_panel.c is somehow working on EeePC as well as Dell machine.

I guess Linus has stopped using EeePCs ;-)

Woody