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Signed-off-by: Kevin Brace <kevinbrace@gmx.com>
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Starting with the newer PCIe generation Chrome IGP found in VX800,
VX855, and VX900 chipsets, the PCI bus location of the device was
changed from the earlier AGP generation Chrome IGP. There are
situations where the device's PCI subvendor ID and subsystem ID need to
be available to DRM, and this fix corrects the problem for the newer
PCIe generation Chrome IGP.
Signed-off-by: Kevin Brace <kevinbrace@gmx.com>
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drm-next-4.16
Pulled commit 94fc27ac487a80daf42f97b1a0503d029f3c1325.
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git://anongit.freedesktop.org/drm/drm-intel into drm-next
Fix for pcode timeouts on BXT and GLK, cmdparser fixes and fixes
for new vbt version on CFL and CNL.
GVT contains vGPU reset enhancement, which refines vGPU reset flow
and the support of virtual aperture read/write when x-no-mmap=on
is set in KVM, which is required by a test case from Redhat and
also another fix for virtual OpRegion.
* tag 'drm-intel-next-fixes-2018-02-07' of git://anongit.freedesktop.org/drm/drm-intel:
drm/i915/bios: add DP max link rate to VBT child device struct
drm/i915/cnp: Properly handle VBT ddc pin out of bounds.
drm/i915/cnp: Ignore VBT request for know invalid DDC pin.
drm/i915/cmdparser: Do not check past the cmd length.
drm/i915/cmdparser: Check reg_table_count before derefencing.
drm/i915/bxt, glk: Increase PCODE timeouts during CDCLK freq changing
drm/i915/gvt: Use KVM r/w to access guest opregion
drm/i915/gvt: Fix aperture read/write emulation when enable x-no-mmap=on
drm/i915/gvt: only reset execlist state of one engine during VM engine reset
drm/i915/gvt: refine intel_vgpu_submission_ops as per engine ops
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Update VBT defs to reflect revision 216. While at it, default the
expected child device struct size to sizeof the size rather than a
hardcoded value.
v2: Fix bit order (David)
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180118153310.32437-1-jani.nikula@intel.com
(cherry picked from commit c4fb60b9aba9f939d3f8575df23fd8d5958ec6ed)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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into drm-next
A few more misc fixes for 4.16.
* 'drm-next-4.16' of git://people.freedesktop.org/~agd5f/linux:
drm/amdgpu: re-enable CGCG on CZ and disable on ST
drm/amdgpu: disable coarse grain clockgating for ST
drm/radeon: adjust tested variable
drm/amdgpu: remove WARN_ON when VM isn't found v2
drm/amdgpu: fix locking in vega10_ih_prescreen_iv
drm/amdgpu: fix another potential cause of VM faults
drm/amdgpu: use queue 0 for kiq ring
drm/ttm: Fix 'buf' pointer update in ttm_bo_vm_access_kmap() (v2)
drm/ttm: fix missing parameter change for ttm_bo_cleanup_refs
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If the table result is out of bounds on the array map
there is something really wrong with VBT pin so we don't
return that vbt_pin, but only return 0 instead.
This basically reverts commit 'a8e6f3888b05 ("drm/i915/cnp:
Ignore VBT request for know invalid DDC pin.")'
Also this properly fixes commit 9c3b2689d01f ("drm/i915/cnl:
Map VBT DDC Pin to BSpec DDC Pin.")
v2: Do in a way that we don't break other platforms. (Jani)
v3: Keep debug message (Jani)
v4: Don't mess with 0 mapping was noticed by Jani and
addressed with a simple solution suggested by Lucas
that makes this even simpler.
Fixes: a8e6f3888b05 ("drm/i915/cnp: Ignore VBT request for know invalid DDC pin.")
Fixes: 9c3b2689d01f ("drm/i915/cnl: Map VBT DDC Pin to BSpec DDC Pin.")
Cc: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Kai Heng Feng <kai.heng.feng@canonical.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Suggested-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Tested-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180125222524.22059-1-rodrigo.vivi@intel.com
(cherry picked from commit 3393ce1ed8fc43dbdb83952facaf04e644ca1d54)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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Let's ignore VBT request if the pin is clearly wrong.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=104139
Cc: Kai Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180123174050.4261-1-rodrigo.vivi@intel.com
Reviewed-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
(cherry picked from commit a8e6f3888b05c1e7b685800a3371ce050720368f)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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The command MEDIA_VFE_STATE checks bits at offset +2 dwords. However, it is
possible to have MEDIA_VFE_STATE command with length = 0 + LENGTH_BIAS = 2.
In that case check_cmd will read bits from the following command, or even past
the end of the buffer.
If the offset ends up outside of the command length, reject the command.
Fixes: 351e3db2b363 ("drm/i915: Implement command buffer parsing logic")
Signed-off-by: Michal Srb <msrb@suse.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180205151745.29292-1-msrb@suse.com
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20180205160438.3267-2-chris@chris-wilson.co.uk
(cherry picked from commit 3aec7f871c65eb5f76b4125fda432593c834a6f2)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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The find_reg function was assuming that there is always at least one table in
reg_tables. It is not always true.
In case of VCS or VECS, the reg_tables is NULL and reg_table_count is 0,
implying that no register-accessing commands are allowed. However, the command
tables include commands such as MI_STORE_REGISTER_MEM. When trying to check
such command, the find_reg would dereference NULL pointer.
Now it will just return NULL meaning that the register was not found and the
command will be rejected.
Fixes: 76ff480ec963 ("drm/i915/cmdparser: Use binary search for faster register lookup")
Signed-off-by: Michal Srb <msrb@suse.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180205142916.27092-2-msrb@suse.com
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20180205160438.3267-1-chris@chris-wilson.co.uk
register lookup")
(cherry picked from commit 2f265fad9756a40c09e3f4dcc62d5d7fa73a9fb2)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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Currently we see sporadic timeouts during CDCLK changing both on BXT and
GLK as reported by the Bugzilla: ticket. It's easy to reproduce this by
changing the frequency in a tight loop after blanking the display. The
upper bound for the completion time is 800us based on my tests, so
increase it from the current 500us to 2ms; with that I couldn't trigger
the problem either on BXT or GLK.
Note that timeouts happened during both the change notification and the
voltage level setting PCODE request. (For the latter one BSpec doesn't
require us to wait for completion before further HW programming.)
This issue is similar to
commit 2c7d0602c815 ("drm/i915/gen9: Fix PCODE polling during CDCLK
change notification")
but there the PCODE request does complete (as shown by the mbox
busy flag), only the reply we get from PCODE indicates a failure.
So there we keep resending the request until a success reply, here we
just have to increase the timeout for the one PCODE request we send.
v2:
- s/snb_pcode_request/sandybridge_pcode_write_timeout/ (Ville)
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: <stable@vger.kernel.org> # v4.4+
Acked-by: Chris Wilson <chris@chris-wilson.co.uk> (v1)
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=103326
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180130142939.17983-1-imre.deak@intel.com
(cherry picked from commit e76019a81921e87a4d9e7b3d86102bc708a6c227)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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For KVMGT, the guest opregion, which is handled by VFIO, is actually a
piece of guest memory which won't be accessed by devices. So, its mfn
shouldn't be obtained through VFIO interface. This patch uses KVM r/w
interface to access the data in guest opregion.
Fix the guest opregion accessing issue when host "intel_iommu=on".
v3:
- Remove mapped flag for KVM/VFIO usage, as it's useless for KVM.
v2:
- Set the gpa correctly when invoking KVM r/w operations. (Zhenyu)
Signed-off-by: Tina Zhang <tina.zhang@intel.com>
Cc: Yan Zhao <yan.y.zhao@intel.com>
Cc: Xiong Zhang <xiong.y.zhang@intel.com>
Signed-off-by: Zhi Wang <zhi.a.wang@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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When add 'x-no-mmap=on' for vfio-pci option, aperture access in guest
is emulated. But the vgpu_aperture_rw() function take wrong offset when
do memcpy, since vgpu->gm.aperture_va is not the base of entire aperture.
This mistake cause GPU command in guest get lost and so the seqno is not
updated in engine HWSP.
This patch fix this, and it also move the emulation code to kvmgt.
Because only vfio need to emulate it. Put aperture rw to MMIO emulation
path breaks assumptions in xengt.
v2: Remove PAGE_ALIGN for size (zhenyu)
Fixes: f090a00df9ec ("drm/i915/gvt: Add emulation for BAR2 (aperture) with normal file RW approach")
Signed-off-by: Changbin Du <changbin.du@intel.com>
Signed-off-by: Zhi Wang <zhi.a.wang@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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Only reset vgpu execlist state of the exact engine which gets reset
request from VM. After read context status from HWSP enabled, KMD will use
the saved CSB read pointer but not always read from MMIO. When one engine
reset happen, only the read pointer of this engine will be reset, in GVT-g
host side also need to align with this policy, otherwise VM may get wrong
CSB status after one engine reset compeleted.
v2: Split refine and fix patch, code refine(Zhenyu)
v3: Move active flag of vgpu scheduler into sched_data(Zhenyu)
Cc: Fred Gao <fred.gao@intel.com>
Cc: Zhi Wang <zhi.a.wang@intel.com>
Cc: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Weinan Li <weinan.z.li@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Zhi Wang <zhi.a.wang@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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Using per engine ops will be more flexible, here refine sub-ops(init,
clean) as per engine operation align with reset operation. This change also
will be used in next fix patch for VM engine reset.
Cc: Fred Gao <fred.gao@intel.com>
Cc: Zhi Wang <zhi.a.wang@intel.com>
Signed-off-by: Weinan Li <weinan.z.li@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Zhi Wang <zhi.a.wang@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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The CGCG feature on Stoney is causing GFX related
issues such as freezes and blank outs.
Signed-off-by: Shirish S <shirish.s@amd.com>
Reviewed-by: Arindam Nath <arindam.nath@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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- initial kepler clock gating support
- atomic gamma handling fixes
- support for gp108 "secure boot" (enables acceleration, finally)
* 'linux-4.16' of git://github.com/skeggsb/linux:
drm/nouveau/clk: fix gcc-7 -Wint-in-bool-context warning
drm/nouveau/mmu: Fix trailing semicolon
drm/nouveau: Introduce NvPmEnableGating option
drm/nouveau: Add support for SLCG for Kepler2
drm/nouveau: Add support for BLCG on Kepler2
drm/nouveau: Add support for BLCG on Kepler1
drm/nouveau: Add support for basic clockgating on Kepler1
drm/nouveau/kms/nv50: fix handling of gamma since atomic conversion
drm/nouveau/kms/nv50: use INTERPOLATE_257_UNITY_RANGE LUT on newer chipsets
drm/nouveau/kms/nv50: use "low res" lut for indexed mode
drm/nouveau/kms/nv50: prepare for double-buffered LUTs
drm/nouveau/bo: add helper functions for handling pinned+mapped buffers
drm/nouveau/fbcon: add module parameter to select bits-per-pixel
drm/nouveau/secboot/gp108: implement on top of acr_r370
drm/nouveau/secboot/r370: implement support for booting LS SEC2 ucode
drm/nouveau/secboot/r370: move a bunch of r375 stuff to a new implementation
drm/nouveau: nouveau: use correct string length
drm/nouveau/drm/nouveau/mmu: fix odd_ptr_err.cocci warnings
drm/nouveau/pmu/fuc: don't use movw directly anymore
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Hardware cursor display fix for single HI (Hardware Icon) Chrome IGP
devices. The code was validated on ECS K8M890M-M mainboard.
Signed-off-by: Kevin Brace <kevinbrace@gmx.com>
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Older generation VIA Technologies Chrome IGP devices have only one
hardware icon (HI). Due to the way the code was written previously, it
was assuming the availability of two HIs, and as a result, it the user
was using older generation devices, no mouse cursor will be displayed
on the screen. This commit will add the necessary code to support older
devices with only one HI. The code was validated on ECS K8M890M-M
mainboard with K8M890 chipset.
Signed-off-by: Kevin Brace <kevinbrace@gmx.com>
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An important CLE266 chipset display regression fix got implemented.
The correct functionality was validated on VIA EPIA-M mainboard.
Standby resume (ACPI S3 State resume) is also working for EPIA-M now.
Signed-off-by: Kevin Brace <kevinbrace@gmx.com>
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Signed-off-by: Kevin Brace <kevinbrace@gmx.com>
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Signed-off-by: Kevin Brace <kevinbrace@gmx.com>
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The new CLE266 chipset IGA1 display FIFO parameters were severely
disrupting IGA1 display. This commit fixes this bug. Also, with this
fix, mode setting of IGA1 with analog (VGA) output after standby
resumeis now fully working. This fix was validated on VIA EPIA-M
mainboard.
Signed-off-by: Kevin Brace <kevinbrace@gmx.com>
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Signed-off-by: Kevin Brace <kevinbrace@gmx.com>
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Signed-off-by: Kevin Brace <kevinbrace@gmx.com>
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Signed-off-by: Kevin Brace <kevinbrace@gmx.com>
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Storing these parameters does not seem to accomplish anything, so it is
being removed.
Signed-off-by: Kevin Brace <kevinbrace@gmx.com>
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Signed-off-by: Kevin Brace <kevinbrace@gmx.com>
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Signed-off-by: Kevin Brace <kevinbrace@gmx.com>
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Signed-off-by: Kevin Brace <kevinbrace@gmx.com>
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Signed-off-by: Kevin Brace <kevinbrace@gmx.com>
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Signed-off-by: Kevin Brace <kevinbrace@gmx.com>
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Signed-off-by: Kevin Brace <kevinbrace@gmx.com>
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Replaced white spaces with tabs.
Signed-off-by: Kevin Brace <kevinbrace@gmx.com>
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Per commit d0cef9f.
Signed-off-by: Kevin Brace <kevinbrace@gmx.com>
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Per commit 79436a1.
Signed-off-by: Kevin Brace <kevinbrace@gmx.com>
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Related to commit e83bf4a and 3c08ec6. io_mem_pfn callback entry was
removed from ttm_bo_driver struct. Thanks Tan Xiaojun of Huawei for
the permanent fix.
Signed-off-by: Kevin Brace <kevinbrace@gmx.com>
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gcc thinks that interpreting a multiplication result as a bool
is confusing:
drivers/gpu/drm/nouveau/nvkm/subdev/clk/gt215.c: In function 'read_pll':
drivers/gpu/drm/nouveau/nvkm/subdev/clk/gt215.c:133:8: error: '*' in boolean context, suggest '&&' instead [-Werror=int-in-bool-context]
Adding a temporary variable to contain the divisor helps make
it clear what is going on and avoids that warning.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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The trailing semicolon is an empty statement that does no operation.
Removing it since it doesn't do anything.
Signed-off-by: Luis de Bethencourt <luisbg@kernel.org>
Reviewed-by: Karol Herbst <kherbst@redhat.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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This adds the NvPmEnableGating config option to nouveau, which can be
used to enable or disable clockgating for supported chipsets. Enabling
can be done by passing
config=NvPmEnableGating=1
To nouveau. If your chipset supports it, you'll see a message in your
kernel log indicating that clockgating is enabled. Since clockgating has
only had limited testing thus far, we leave this option disabled by
default for now.
Signed-off-by: Lyude Paul <lyude@redhat.com>
Reviewed-by: Martin Peres <martin.peres@free.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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That's right, there's still more power saving to go! Starting with
kepler 2, nvidia hardware has an additional level of clockgating known
as second level clockgating. The details of this are not exact, but it
seems to work by waiting for a collection of dependent hardware blocks
to be gated before taking affect. As with the previous series, this
results in another noticeable drop in power consumption and is
programmed in the same manner.
Signed-off-by: Lyude Paul <lyude@redhat.com>
Reviewed-by: Martin Peres <martin.peres@free.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Same as the previous patch, but for Kepler2 now
Signed-off-by: Lyude Paul <lyude@redhat.com>
Reviewed-by: Martin Peres <martin.peres@free.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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This enables BLCG optimization for kepler1. When using clockgating,
nvidia's firmware has a set of registers which are initially programmed
by the vbios with various engine delays and other mysterious settings
that are safe enough to bring up the GPU. However, the values used by
the vbios are more power hungry then they need to be, so the nvidia driver
writes it's own more optimized set of BLCG settings before enabling
CG_CTRL. This adds support for programming the optimized BLCG values
during engine/subdev init, which enables rather significant power
savings.
This introduces the nvkm_therm_clkgate_init() helper, which we use to
program the optimized BLCG settings before enabling clockgating with
nvkm_therm_clkgate_enable.
As well, this commit shares a lot more code with Fermi since BLCG is
mostly the same there as far as we can tell. In the future, it's likely
we'll reformat the clkgate_packs for kepler1 so that they share a list
of mmio packs with Fermi.
Signed-off-by: Lyude Paul <lyude@redhat.com>
Reviewed-by: Martin Peres <martin.peres@free.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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This adds support for enabling automatic clockgating on nvidia GPUs for
Kepler1. While this is not technically a clockgating level, it does
enable clockgating using the clockgating values initially set by the
vbios (which should be safe to use).
This introduces two therm helpers for controlling basic clockgating:
nvkm_therm_clkgate_enable() - enables clockgating through
CG_CTRL, done after initializing the GPU fully
nvkm_therm_clkgate_fini() - prepares clockgating for suspend or
driver unload
A lot of this code was originally going to be based off of fermi;
however it turns out that while Fermi's the first line of GPUs that
introduced this kind of power saving, Fermi requires more fine tuned
control of the CG_CTRL registers from the driver while reclocking that
we don't entirely understand yet.
For the simple parts we will be sharing with Fermi for certain however,
we at least add those into a new subdev/therm/gf100.h header.
Signed-off-by: Lyude Paul <lyude@redhat.com>
Reviewed-by: Martin Peres <martin.peres@free.fr>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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We've still been directly using the legacy crtc gamma_set() hook even
after conversion to atomic modesetting.
For userspace clients this was fine, however, fbcon will use the atomic
property when it's running on an atomic driver, which means we miss its
colormap updates - which is particularly bad for 8bpp framebuffers!
This commit converts the driver to use the atomic property + the helper
function implementing the legacy hook on top of atomic.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=80675
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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For some reason forgotten by history, we've been using a 1025-entry LUT
mode, and sparsely filling it with the 256-entry LUT we're handed.
Until we land support for the full atomic colour management properties,
this commit switches to using the 257-entry mode to fix colour mapping
with depth 30 framebuffers.
Reported-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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This is what was done prior to the big refactor in kernel 3.8, and what
was done by xf86-video-nv. Experimentally, it seems like there's some
sort of issue with the high-res lut to be used there. Tested on G92.
This ends up mattering because fbcon/fbdev chooses the C8 fb format for
low-vram systems, which can occur with some IGP-based configurations
with little "stolen" vram.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=80675
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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We need to double-buffer LUTs to handle their update atomically.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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This is a common, awkward sequence. Let's wrap it up!
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Useful for debugging.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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