| Commit message (Collapse) | Author | Age |
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Need to wait to enable cg and pg until after
ring tests. Also make sure interrupts are enabled
before we enable thermal interrupts.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Need to wait to enable cg and pg until after
ring tests. Also make sure interrupts are enabled
before we enable thermal interrupts.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Make sure interrupts are enabled
before we enable thermal interrupts.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Make sure interrupts are enabled before we enable
thermal interrupts.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Certain features need to be enabled after ring tests
(e.g., powergating, etc.). Add a function pointer
to split out late enable features.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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We need to reorder the driver init sequence to better accomodate
dpm which needs to be loaded earlier in the init sequence. Move
fw init up so that it's available for dpm init.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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I'm not entirely sure this is required and it won't work
with the dpm restructing anyway.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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I'm not entirely sure this is required and it won't work
with the dpm restructing anyway.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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No need to check rdev->pm.num_power_states; this is a vestige
of the old pm code.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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v2: add default_llseek
v3: set inode size in the open callback
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Not very fast, but makes it possible to access even the
normally inaccessible parts of VRAM from userspace.
v2: use MM_INDEX_HI for >2GB mem access, add default_llseek
v3: set inode size in the open callback
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Otherwise we not necessary export the right information.
Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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drm-next
MSM tree from Rob.
* 'msm-next' of git://people.freedesktop.org/~robclark/linux:
drm/msm: add a330/apq8x74
drm/msm: add mdp5/apq8x74
drm/msm: add hdmi support for apq8x74/mdp5
drm/msm: move irq utils to mdp_kms
drm/msm: split out msm_kms.h
drm/msm: mdp4_format -> mdp_format
drm/msm: resync generated headers
drm/msm: move mdp4 -> mdp/mdp4
drm/msm: add support for msm8060ab/bstem
drm/msm: add support for non-IOMMU systems
drm/msm: fix bus scaling
drm/msm: add missing MODULE_FIRMWARE()s
drm/msm: COMPILE_TEST support
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Add support for adreno 330. Not too much different, just a few
differences in initial configuration plus setting OCMEM base.
Userspace support is already in upstream mesa.
Note that the existing DT code is simply using the bindings from
downstream android kernel, to simplify porting of this driver to
existing devices. These do not constitute any committed/stable
DT ABI. The addition of proper DT bindings will be a subsequent
patch, at which point (as best as possible) I will try to support
either upstream bindings or what is found in downstream android
kernel, so that existing device DT files can be used.
Signed-off-by: Rob Clark <robdclark@gmail.com>
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Add support for the new MDP5 display controller block. The mapping
between parts of the display controller and KMS is:
plane -> PIPE{RGBn,VIGn} \
crtc -> LM (layer mixer) |-> MDP "device"
encoder -> INTF /
connector -> HDMI/DSI/eDP/etc --> other device(s)
Unlike MDP4, it appears we can get by with a single encoder, rather
than needing a different implementation for DTV, DSI, etc. (Ie. the
register interface is same, just different bases.)
Also unlike MDP4, all the IRQs for other blocks (HDMI, DSI, etc) are
routed through MDP.
And finally, MDP5 has this "Shared Memory Pool" (called "SMP"), from
which blocks need to be allocated to the active pipes based on fetch
stride.
Signed-off-by: Rob Clark <robdclark@gmail.com>
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The HDMI block is basically the same between older SoC's with mdp4
display controller, and newer ones with mdp5.
So mostly this consists of better abstracting out the different sets of
regulators, clks, etc. In particular, for regulators and clks we can
split it up by what is needed for hot plug detect to work, and what is
needed to light up the display.
Also, 8x74 has a new phy.. a very simple one, but split out into a
different mmio space. And with mdp5, the irq is shared with mdp, so we
don't directly register our own irq handler.
Signed-off-by: Rob Clark <robdclark@gmail.com>
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We'll want basically the same thing for mdp5, so refactor it out so it
can be shared.
Signed-off-by: Rob Clark <robdclark@gmail.com>
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Signed-off-by: Rob Clark <robdclark@gmail.com>
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This can be shared between mdp4 and mdp5. Both use the same set of
parameters to describe the format to the hw.
Signed-off-by: Rob Clark <robdclark@gmail.com>
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resync to latest envytools db, add mdp5 registers
Signed-off-by: Rob Clark <robdclark@gmail.com>
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There are some little bits and pieces that mdp4 and mdp5 can share, so
move things around so that we can have both in a common parent
directory.
Signed-off-by: Rob Clark <robdclark@gmail.com>
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This adds the necessary configuration for the APQ8060A SoC (dual-core
krait + a320 gpu) as found on the bstem board.
Signed-off-by: Rob Clark <robdclark@gmail.com>
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Add a VRAM carveout that is used for systems which do not have an IOMMU.
The VRAM carveout uses CMA. The arch code must setup a CMA pool for the
device (preferrably in highmem.. a 256m-512m VRAM pool in lowmem is not
cool). The user can configure the VRAM pool size using msm.vram module
param.
Technically, the abstraction of IOMMU behind msm_mmu is not strictly
needed, but it simplifies the GEM code a bit, and will be useful later
when I add support for a2xx devices with GPUMMU, so I decided to keep
this part.
It appears to be possible to configure the GPU to restrict access to
addresses within the VRAM pool, but this is not done yet. So for now
the GPU will refuse to load if there is no sort of mmu. Once address
based limits are supported and tested to confirm that we aren't giving
the GPU access to arbitrary memory, this restriction can be lifted
Signed-off-by: Rob Clark <robdclark@gmail.com>
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This got a bit broken with original patches when re-arranging things to
move dependencies on mach-msm inside #ifndef OF.
Signed-off-by: Rob Clark <robdclark@gmail.com>
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Signed-off-by: Rob Clark <robdclark@gmail.com>
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With a simple stub, we can get COMPILE_TEST support.
Signed-off-by: Rob Clark <robdclark@gmail.com>
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DRM driver for (virtual) vga cards using the bochs dispi
interface, such as the qemu standard vga (qemu -vga std).
Don't bother supporting anything but 32bpp for now, even
though the virtual hardware is able to do that.
Known issue: mmap(/dev/fb0) doesn't work.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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git://people.freedesktop.org/~danvet/drm-intel into drm-next
- fbc1 improvements from Ville (pre-gm45).
- vlv forcewake improvements from Deepak S.
- Some corner-cases fixes from Mika for the context hang stat code.
- pc8 improvements and prep work for runtime D3 from Paulo, almost ready for
primetime.
- gen2 dpll fixes from Ville.
- DSI improvements from Shobhit Kumar.
- A few smaller fixes and improvements all over.
[airlied: intel_ddi.c conflict fixed up]
* tag 'drm-intel-next-2013-12-13' of git://people.freedesktop.org/~danvet/drm-intel: (61 commits)
drm/i915/bdw: Implement ff workarounds
drm/i915/bdw: Force all Data Cache Data Port access to be Non-Coherent
drm/i915/bdw: Don't use forcewake needlessly
drm/i915: Clear out old GT FIFO errors in intel_uncore_early_sanitize()
drm/i915: dont call irq_put when irq test is on
drm/i915: Rework the FBC interval/stall stuff a bit
drm/i915: Enable FBC for all mobile gen2 and gen3 platforms
drm/i915: FBC_CONTROL2 is gen4 only
drm/i915: Gen2 FBC1 CFB pitch wants 32B units
drm/i915: split intel_ddi_pll_mode_set in 2 pieces
drm/i915: Fix timeout with missed interrupts in __wait_seqno
drm/i915: touch VGA MSR after we enable the power well
drm/i915: extract hsw_power_well_post_{enable, disable}
drm/i915: remove i915_disable_vga_mem declaration
drm/i915: Parametrize the dphy and other spec specific parameters
drm/i915: Remove redundant DSI PLL enabling
drm/i915: Reorganize the DSI enable/disable sequence
drm/i915: Try harder to get best m, n, p values with minimal error
drm/i915: Compute dsi_clk from pixel clock
drm/i915: Use FLISDSI interface for band gap reset
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Conflicts:
drivers/gpu/drm/i915/intel_ddi.c
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WaVSRefCountFullforceMissDisable and
WaDSRefCountFullforceMissDisable
VS is a carry-over from HSW, and DS is likely not used by anyone yet.
Cc: Kenneth Graunke <kenneth@whitecape.org>
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
[danvet: Line of 106 chars is too long. Really.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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I stumbled on to some unimplemented errata. To be honest, I am not
really sure of the impact, just that the docs say to do.
No w/a name for this one.
v2: v1 was a stale thing which should have never seen the light of day.
(Haihao)
Cc: Kenneth Graunke <kenneth@whitecape.org>
Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Not all registers need forcewake even if they're not shadowed.
Add the missing check to gen8_writeX() to avoid needless forcewake
usage when writing eg. display registers.
v2: Use straight up <0x40000 check instead of NEEDS_FORCE_WAKE()
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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The BIOS or someone else might have done something bad and there
might be old GT FIFO erros reported in GTFIFODBG. Clear those out
in intel_uncore_early_sanitize() to make sure we don't mistake them
for our problems.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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If test is running, irq_get was not called so we should gain
balance by not doing irq_put
"So the rule is: if you access unlocked values, you use ACCESS_ONCE().
You don't say "but it can't matter". Because you simply don't know."
-- Linus
v2: use local variable so it can't change during test (Chris)
v3: update commit msg and use ACCESS_ONCE (Ville)
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Don't touch DPFC_RECOMP_CTL on FBC2, use RMW to update
the FBC_CONTROL on FBC1 to make it easier for people to
experiment with different numbers. Also fix the interval
mask for FBC1.
v2: Rebased
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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All mobile gen2 and gen3 chipsets should have FBC1, and the code
should now handle them all. So just set has_fbc=true for all such
chipsets.
Note that fbc is still disabled by default for now.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Gen2 and gen3 don't have the FBC_CONTROL2 register, so don't
touch it.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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On gen2 the compressed frame buffer pitch is specified in 32B units
rather than the 64B units used on gen3+.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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The first piece, intel_ddi_pll_select, finds a PLL and assigns it to
the CRTC, but doesn't write any register. It can also fail in case it
doesn't find a PLL.
The second piece, intel_ddi_pll_enable, uses the information stored by
intel_ddi_pll_select to actually enable the PLL by writing to its
register. This function can't fail. We also have some refcount sanity
checks here.
The idea is that one day we'll remove all the functions that touch
registers from haswell_crtc_mode_set to haswell_crtc_enable, so we'll
call intel_ddi_pll_select at haswell_crtc_mode_set and then call
intel_ddi_pll_enable at haswell_crtc_enable. Since I'm already
touching this code, let's take care of this particular split today.
v2: - Clock on the debug message is in KHz
- Add missing POSTING_READ
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
[danvet: Bikeshed comments.]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Commit 094f9a54e355 ("drm/i915: Fix __wait_seqno to use true infinite
timeouts") added support for __wait_seqno to detect missing interrupts and
go around them by polling. As there is also timeout detection in
__wait_seqno, the polling and timeout detection were done with the same
timer.
When there has been missed interrupts and polling is needed, the timer is
set to trigger in (now + 1) jiffies in future, instead of the caller
specified timeout.
Now when io_schedule() returns, we calculate the jiffies left to timeout
using the timer expiration value. As the current jiffies is now bound to be
always equal or greater than the expiration value, the timeout_jiffies will
become zero or negative and we return -ETIME to caller even tho the
timeout was never reached.
Fix this by decoupling timeout calculation from timer expiration.
v2: Commit message with some sense in it (Chris Wilson)
v3: add parenthesis on timeout_expire calculation
v4: don't read jiffies without timeout (Chris Wilson)
Signed-off-by: Mika Kuoppala <mika.kuoppala@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Fixes regression introduced by:
commit bf51d5e2cda5d36d98e4b46ac7fca9461e512c41
Author: Paulo Zanoni <paulo.r.zanoni at intel.com>
Date: Wed Jul 3 17:12:13 2013 -0300
drm/i915: switch disable_power_well default value to 1
The bug I'm seeing can be reproduced with:
- Have vgacon configured/enabled
- Make sure the power well gets disabled, then enabled. You can
check this by seeing the messages print by hsw_set_power_well
- Stop your display manager
- echo 0 > /sys/class/vtconsole/vtcon1/bind
I can easily reproduce this by blacklising snd_hda_intel and booting
with eDP+HDMI.
If you do this and then look at dmesg, you'll see we're printing
infinite "Unclaimed register" messages. This is happening because
we're stuck on an infinite loop inside console_unlock(), which is
calling many functions from vgacon.c. And the code that's triggering
the error messages is from vgacon_set_cursor_size().
After we re-enable the power well, every time we read/write the VGA
address 0x3d5 we get an "unclaimed register" interrupt (ERR_INT) and
print error messages. If we write anything to the VGA MSR register (it
doesn't really matter which value you write to bit 0), any
reads/writes to 0x3d5 _don't_ trigger the "unclaimed register" errors
anymore (even if MSR bit 0 is zero). So what happens with the current
code is that when we unbind i915 and bind vgacon, we call
console_unlock(). Function console_unlock() is responsible for
printing any messages that were supposed to be print when the console
was locked, so it calls the TTY layer, which calls the console layer,
which calls vgacon to print the messages. At this point, vgacon
eventually calls vgacon_set_cursor_size(), which touches 0x3d5, which
triggers unclaimed register interrupts. The problem is that when we
get these interrupts, we print the error messages, so we add more work
to console_unlock(), which will try to print it again, and then call
vgacon again, trigger a new interrupt, which will put more stuff to
the buffer, and then we'll be stuck at console_unlock() forever.
If you patch intel_uncore.c to not print anything when we detect
unclaimed registers, we won't get into the console_unlock() infinite
loop and the driver unbind will work just fine. We will still be
getting interrupts every time vgacon touches those registers, but we
will survive. This is a valid experiment, but IMHO it's not the real
fix: if we don't print any error messages we will still keep getting
the interrupts, and if we disable ERR_INT we won't get the interrupt
anymore, but we will also stop getting all the other error interrupts.
I talked about this problem with the HW engineer and his
recommendation is "So don't do any VGA I/O or memory access while the
power well is disabled, and make to re-program MSR after enabling the
power well and before using VGA I/O or memory accesses.".
Notice that this is just a partial fix to fd.o #67813. This fixes the
case where the power well is already enabled when we unbind, not when
it's disabled when we unbind.
V2: - Rebase (first version was sent in September).
V3: - Complete rewrite of the same fix: smaller implementation,
improved commit message.
Testcase: igt/drv_module_reload
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=67813
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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I want to add more code to the post_enable function.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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It was supposed to have been killed on the same commit that killed the
function, e1264ebe9ff48e1b3e1dd11805eec9f5b143ab7c, but I guess the
intel_drv.h reorganization accidentally brought it back.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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The values of these parameters will be different for differnet panel
based on dsi rate, lane count, etc. Remove the hardcodings and make
these as parameters whch will be initialized in panel specific
sub-encoder implementaion.
This will also form groundwork for planned generic panel sub-encoder
implemntation based on VBT design enhancments to support multiple panels
v2: Mask away the port_bits before use
Signed-off-by: Shobhit Kumar <shobhit.kumar@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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DSI PLL will get configured during crtc_enable using ->pre_pll_enable
and no need to do in ->mode_set
Signed-off-by: Shobhit Kumar <shobhit.kumar@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Basically ULPS handling during enable/disable has been moved to
pre_enable and post_disable phases. PLL and panel power disable
also has been moved to post_disable phase. The ULPS entry/exit
sequneces as suggested by HW team is as follows -
During enable time -
set DEVICE_READY --> Clear DEVICE_READY --> set DEVICE_READY
And during disable time to flush all FIFOs -
set ENTER_SLEEP --> EXIT_SLEEP --> ENTER_SLEEP
Also during disbale sequnece sub-encoder disable is moved to the end
after port is disabled.
v2: Based on comments from Ville
- Detailed epxlaination in the commit messgae
- Moved parameter changes out into another patch
- Backlight enabling will be a new patch
v3: Updated as per Jani's comments
- Removed the I915_WRITE_BITS as it is not needed
- Moved panel_reset and send_otp_cmds hooks to dsi_pre_enable
- Moved disable_panel_power hook to dsi_post_disable
- Replace hardcoding with AFE_LATCHOUT
v4: Make intel_dsi_device_ready and intel_dsi_clear_device_ready static
Signed-off-by: Yogesh Mohan Marimuthu <yogesh.mohan.marimuthu@intel.com>
Signed-off-by: Shobhit Kumar <shobhit.kumar@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Basically check for both +ive and -ive deviation from target clock and
pick the one with minimal error. If we get a direct match, break from
loop to acheive some optimization.
v2: Use signed variable for target and calculated dsi clock values
Signed-off-by: Vijayakumar Balakrishnan <vijayakumar.balakrishnan@intel.com>
Signed-off-by: Shobhit Kumar <shobhit.kumar@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Pixel clock based calculation is recommended in the MIPI host controller
documentation
v2: Based on review comments from Jani and Ville
- Use dsi_clk in KHz rather than converting in Hz and back to MHz
- RR formula is retained though not used but return dsi_clk in KHz now
- Moved the m-n-p changes into a separate patch
- Removed the parameter check for intel_dsi->dsi_clock_freq. This will be
bought back in if needed when appropriate panel drivers are done
v3: Removed the unused mnp calculation from static table
Signed-off-by: Vijayakumar Balakrishnan <vijayakumar.balakrishnan@intel.com>
Signed-off-by: Shobhit Kumar <shobhit.kumar@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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