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8d715f0024
linux/drivers/gpu/drm/i915
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Keith Packard 8d715f0024 drm/i915: add multi-threaded forcewake support 
On IVB C0+ with newer BIOSes, the forcewake handshake has changed.  There's
now a bitfield for different driver components to keep the GT powered
on.  On Linux, we centralize forcewake handling in one place, so we
still just need a single bit, but we need to use the new registers if MT
forcewake is enabled.

This needs testing on affected machines.  Please reply with your
tested-by if you had problems after a BIOS upgrade and this patch fixes
them.

v2: force MT mode. shift by 16
v3: set MT force wake bits then check ECOBUS

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=42923
Tested-by: Manoj Iyer <manoj.iyer@canonical.com>
Tested-by: Robert Hooker <robert.hooker@canonical.com>
Tested-by: Keith Packard <keithp@keithp.com>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Keith Packard <keithp@keithp.com>
2011-11-23 13:07:11 -08:00
..
dvo_ch7xxx.c Drivers: i915: Fix all space related issues. 2011-09-19 18:01:47 -07:00
dvo_ch7017.c Drivers: i915: Fix all space related issues. 2011-09-19 18:01:47 -07:00
dvo_ivch.c Drivers: i915: Fix all space related issues. 2011-09-19 18:01:47 -07:00
dvo_sil164.c Drivers: i915: Fix all space related issues. 2011-09-19 18:01:47 -07:00
dvo_tfp410.c Drivers: i915: Fix all space related issues. 2011-09-19 18:01:47 -07:00
dvo.h drm/i915: Subclass intel_encoder. 2010-08-09 11:24:28 -07:00
i915_debugfs.c Merge branch 'drm-intel-fixes' of git://people.freedesktop.org/~keithp/linux into drm-fixes 2011-11-22 20:01:00 +00:00
i915_dma.c gpu: add module.h to drivers/gpu files as required. 2011-10-31 19:32:03 -04:00
i915_drv.c drm/i915: add multi-threaded forcewake support 2011-11-23 13:07:11 -08:00
i915_drv.h drm/i915: add multi-threaded forcewake support 2011-11-23 13:07:11 -08:00
i915_gem_debug.c drm/i915: drop KM_USER0 argument to k(un)map_atomic 2011-10-20 15:26:37 -07:00
i915_gem_evict.c Drivers: i915: Fix all space related issues. 2011-09-19 18:01:47 -07:00
i915_gem_execbuffer.c drm/i915: Dumb down the semaphore logic 2011-09-21 14:52:41 -07:00
i915_gem_gtt.c drm/i915: ILK + VT-d workaround 2011-10-20 15:26:39 -07:00
i915_gem_tiling.c drm/i915: simplify swapin/out swizzle checking a bit 2011-10-20 14:11:18 -07:00
i915_gem.c drm, i915: Fix memory leak in i915_gem_busy_ioctl(). 2011-11-17 12:57:45 -08:00
i915_ioc32.c drm: convert drm_ioctl to unlocked_ioctl 2009-12-18 11:22:31 +10:00
i915_irq.c drm/i915: Ivybridge still has fences! 2011-11-03 09:20:00 -07:00
i915_mem.c Drivers: i915: Fix all space related issues. 2011-09-19 18:01:47 -07:00
i915_reg.h drm/i915: add multi-threaded forcewake support 2011-11-23 13:07:11 -08:00
i915_suspend.c drm/i915: Ivybridge still has fences! 2011-11-03 09:20:00 -07:00
i915_trace_points.c drm/i915: Add tracepoints 2009-09-23 01:05:21 +01:00
i915_trace.h Drivers: i915: Fix all space related issues. 2011-09-19 18:01:47 -07:00
intel_acpi.c Drivers: i915: Fix all space related issues. 2011-09-19 18:01:47 -07:00
intel_bios.c drm/i915: Remove "i2c_speed" nonsense from child device table 2011-10-20 14:11:15 -07:00
intel_bios.h drm/i915: Remove "i2c_speed" nonsense from child device table 2011-10-20 14:11:15 -07:00
intel_crt.c drm/i915: use transcoder select bits on VGA and HDMI on CPT 2011-10-20 15:26:43 -07:00
intel_display.c drm/i915: add multi-threaded forcewake support 2011-11-23 13:07:11 -08:00
intel_dp.c Merge branch 'drm-intel-fixes' of git://people.freedesktop.org/~keithp/linux into drm-fixes 2011-11-22 20:01:00 +00:00
intel_drv.h drm/i915: use correct SPD type value 2011-10-20 23:22:02 -07:00
intel_dvo.c drm/i915: cleanup per-pipe reg usage 2011-02-07 21:17:15 +00:00
intel_fb.c drm/i915: restore only the mode of this driver on lastclose (v2) 2011-04-27 17:51:59 +10:00
intel_hdmi.c drm/i915: fix ILK+ infoframe support 2011-10-20 23:22:02 -07:00
intel_i2c.c gpu: Add export.h as required to drivers/gpu files. 2011-10-31 19:32:03 -04:00
intel_lvds.c drm/i915: support 3 pipes on IVB+ 2011-10-20 15:26:42 -07:00
intel_modes.c drm/i915: pass ELD to HDMI/DP audio driver 2011-09-21 14:52:41 -07:00
intel_opregion.c Drivers: i915: Fix all space related issues. 2011-09-19 18:01:47 -07:00
intel_overlay.c Drivers: i915: Fix all space related issues. 2011-09-19 18:01:47 -07:00
intel_panel.c drm/i915: Fix inconsistent backlight level during disabled 2011-11-17 12:59:58 -08:00
intel_ringbuffer.c drm/i915: Use PIPE_CONTROL for flushing on gen6+. 2011-10-20 15:26:41 -07:00
intel_ringbuffer.h drm/i915: Dumb down the semaphore logic 2011-09-21 14:52:41 -07:00
intel_sdvo_regs.h Drivers: i915: Fix all space related issues. 2011-09-19 18:01:47 -07:00
intel_sdvo.c gpu: Add export.h as required to drivers/gpu files. 2011-10-31 19:32:03 -04:00
intel_tv.c Drivers: i915: Fix all space related issues. 2011-09-19 18:01:47 -07:00
Makefile drm/i915: Split i915_gem_execbuffer into its own file. 2010-11-25 21:19:25 +00:00