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Lots of lines to remove!
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
[danvet: Fixup makefile.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This is not used within the driver, and merely saving/restoring these
registers isn't going to do any good anyway. In fact, it's possible it's
actively harmful. Any code enabling the feature should handle this
completely in the regular platform specific enable/disable backlight
functions.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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AFAICT i9xx_pfit_disable() on the GMCH display crtc disable path in
i9xx_crtc_disable() will always disable the panel fitter by writing 0 to
PFIT_CONTROL. The register save will always save/restore 0. Also we
completely recompue both in intel_gmch_panel_fitting so there's no way
we depend upon leftover bits.
Move the PFIT_CONTROL and PFIT_PGM_RATIOS save/restore to UMS
code. While at it, save/restore them both under the same conditions.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
[danvet: Make it a bit clearer that we nowhere depend upon these
bits.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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This was forgotten in
commit 565ee3897f0cb1e9b09905747b3784e6605767e8
Author: Jani Nikula <jani.nikula@intel.com>
Date: Wed Nov 13 12:56:29 2013 +0200
drm/i915: do not save/restore backlight registers in KMS
Since the confusion was likely due to the duplicated definition for
this pci config register, let's unify that, too.
Cc: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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The backlight enable code now has the smarts to do the right thing. Only
do backlight register save/restore in UMS.
Some VLV specific code gets dropped as UMS is not supported on VLV.
v2: Move save/restore to UMS instead of removing completely (Daniel).
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Using ids in register macros is much more common in our driver. Also
this way we can reduce the platform specific stuff a bit.
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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- PCH_ prefix for pch registers on ibx/cpt/ppt.
- Drop the DP_ from the link defines, redundant.
- Drop the GMCH from the data defines and instead give the special g4x
registers a consistent _G4X postfix.
v2:
- Realign #defines and use tabs (Paulo).
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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While at it, also extract a common helper to copy the timings from the
cpu transcoder to the pch transcoder. That way it's really explicit
how the lpt transcoder is hardcoded.
v2:
- Re-align #defines properly (Paulo).
- Use cpu_transcoder when copying pipe timings (Paulo).
- s/intel_pch_transcoder_enable/intel_pch_transcoder_set_timings/
since we already have a pch transcoder enable function, and this is
clearer, too.
- Fixup 80 char line overflow in intel_display.c. I've opted to ignore
this in i915_reg.h and i915_ums.c since meh.
Cc: Paulo Zanoni <przanoni@gmail.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Every time I read hsw code I get completely confused about this. So
call it what it is more explicitly.
Also, add an LPT_TRANSCONF for the pch transcoder A and use it in
lpt-only code, to really unconfuse me.
v2: s/plane/pipe/ in the TRANSCONF #define (Paulo).
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Note that this slightly changes the order, but we only move it within
the block of registers that restore encoder state. Specifically LVDS
is now restored after DP, whereas previously it was done before.
Legacy vga is still restored afterwards, which seems to be the
important thing (if there's anything important in this restore
ordering at all).
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Similarly to how i915_dma.c is shaping up to be the dungeon hole for
all things supporting dri1, create a new one to hide all the crazy
things which are only really useful for ums support. Biggest part is
the register suspend/resume support.
Unfortunately a lot of it is still intermingled with bits and pieces
we might still need, so needs more analysis and needs to stay in
i915_suspend.c for now.
Reviewed-by: Imre Deak <imre.deak@intel.com>
v2: s/modeset_reg/display_reg/ as suggested by Imre, to avoid
confusion between the kernel modeset code and display save/restore to
support ums.
v3: Fixup alphabetical order in the Makefile, spotted by Chris Wilson.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Daniel Vetter
Jani Nikula