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We need to generalise our accessor for the page directories and tables from
using the simple kmap_atomic to support local memory, and this setup
must be done on acquisition of the backing storage prior to entering
fence execution contexts. Here we replace the kmap with the object
mapping code that for simple single page shmemfs object will return a
plain kmap, that is then kept for the lifetime of the page directory.
Note that keeping the mapping around is a potential concern here, since
while the vma is pinned the mapping remains there for the PDs
underneath, or at least until the used_count reaches zero, at which
point we can safely destroy the mapping. For 32b this will be even worse
since the address space is more limited, but since this change mostly
impacts full ppGTT platforms, the justification is that for modern
platforms we shouldn't care too much about 32b.
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210427085417.120246-3-matthew.auld@intel.com
Determine the possible coherent map type based on object location,
and if target has llc or if user requires an always coherent
mapping.
Cc: Matthew Auld <matthew.auld@intel.com>
Cc: CQ Tang <cq.tang@intel.com>
Suggested-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Signed-off-by: Venkata Sandeep Dhanalakota <venkata.s.dhanalakota@intel.com>
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210427085417.120246-2-matthew.auld@intel.com
Our code analyzer reported a double free bug.
In gen8_preallocate_top_level_pdp, pde and pde->pt.base are allocated
via alloc_pd(vm) with one reference. If pin_pt_dma() failed, pde->pt.base
is freed by i915_gem_object_put() with a reference dropped. Then free_pd
calls free_px() defined in intel_ppgtt.c, which calls i915_gem_object_put()
to put pde->pt.base again.
As pde->pt.base is protected by refcount, so the second put will not free
pde->pt.base actually. But, maybe it is better to remove the first put?
Fixes: 82adf901138cc ("drm/i915/gt: Shrink i915_page_directory's slab bucket")
Signed-off-by: Lv Yunlong <lyl2019@mail.ustc.edu.cn>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210426124340.4238-1-lyl2019@mail.ustc.edu.cn
Gen2 tiles are 2KiB in size so i915_gem_object_get_tile_row_size()
can in fact return <4KiB, which leads to div-by-zero here.
Avoid that.
Not sure i915_gem_object_get_tile_row_size() is entirely
sane anyway since it doesn't account for the different tile
layouts on i8xx/i915...
I'm not able to hit this before commit 6846895fde05 ("drm/i915:
Replace PIN_NONFAULT with calls to PIN_NOEVICT") and it looks
like I also need to run recent version of Mesa. With those in
place xonotic trips on this quite easily on my 85x.
Cc: stable@vger.kernel.org
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210421153401.13847-2-ville.syrjala@linux.intel.com
Fixes the following htmldocs warnings:
drivers/gpu/drm/i915/i915_cmd_parser.c:1420: warning: Excess function parameter 'trampoline' description in 'intel_engine_cmd_parser'
drivers/gpu/drm/i915/i915_cmd_parser.c:1420: warning: Function parameter or member 'jump_whitelist' not described in 'intel_engine_cmd_parser'
drivers/gpu/drm/i915/i915_cmd_parser.c:1420: warning: Function parameter or member 'shadow_map' not described in 'intel_engine_cmd_parser'
drivers/gpu/drm/i915/i915_cmd_parser.c:1420: warning: Function parameter or member 'batch_map' not described in 'intel_engine_cmd_parser'
drivers/gpu/drm/i915/i915_cmd_parser.c:1420: warning: Excess function parameter 'trampoline' description in 'intel_engine_cmd_parser'
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210421120353.544518-1-maarten.lankhorst@linux.intel.com
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Fixes the following htmldocs warning:
drivers/gpu/drm/i915/gem/i915_gem_shrinker.c:102: warning: Function parameter or member 'ww' not described in 'i915_gem_shrink'
Fixes: cf41a8f1dc1e ("drm/i915: Finally remove obj->mm.lock.")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210421120938.546076-1-maarten.lankhorst@linux.intel.com
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Stolen memory is always allocated as physically contiguous pages, so
mark the object flags as such. It looks like the flags were previously
just ignored so this had no effect. In the future we might to add the
proper plumbing for passing the flags all over the way down from the
caller, but for now we don't have a use for that.
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210421104658.304142-4-matthew.auld@intel.com
Since stolen can now be device local-memory underneath, we should try to
enforce any min_page_size restrictions when allocating pages.
Signed-off-by: CQ Tang <cq.tang@intel.com>
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210421104658.304142-3-matthew.auld@intel.com
Add "REGION_STOLEN" device info to dg1, create stolen memory
region from upper portion of local device memory, starting
from DSMBASE.
v2:
- s/drm_info/drm_dbg; userspace likely doesn't care about stolen.
- mem->type is only setup after the region probe, so setting the name
as stolen-local or stolen-system based on this value won't work. Split
system vs local stolen setup to fix this.
- kill all the region->devmem/is_devmem stuff. We already differentiate
the different types of stolen so such things shouldn't be needed
anymore.
v3:
- split stolen lmem vs smem ops(Tvrtko)
- add shortcut for stolen region in i915(Tvrtko)
- sanity check dsm base vs bar size(Xinyun)
v4(Tvrtko):
- more cleanup
- add some TODOs
Signed-off-by: CQ Tang <cq.tang@intel.com>
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Cc: Xinyun Liu <xinyun.liu@intel.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210421104658.304142-1-matthew.auld@intel.com
Boot firmware performs memory training and health assessment during
startup. If the memory training fails, the firmware will consider the
GPU unusable and will instruct the punit to keep the GT powered down.
If this happens, our driver will be unable to communicate with the GT
(all GT registers will read back as 0, forcewake requests will timeout,
etc.) so we should abort driver initialization if this happens. We can
confirm that LMEM was initialized successfully via sgunit register
GU_CNTL.
Bspec: 53111
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Cc: Caz Yokoyama <Caz.Yokoyama@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210420131842.164163-5-matthew.auld@intel.com
pm_resume and pm_suspend might be conflict with the ones defined in
include/linux/suspend.h. Rename all pm_* to igt_pm_* in selftests since
they are only used here.
v2 by Jani:
- Use igt_ prefix instead of i915_ to avoid colliding with existing
i915_pm_* functions
- Rename all pm_ prefixed functions in the file
Signed-off-by: Hsin-Yi Wang <hsinyi@chromium.org>
Reported-by: kernel test robot <lkp@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210420130853.10573-1-jani.nikula@intel.com
RAPL provides an on-package power measurements which does not encompass
discrete graphics, so let's avoid using the igfx masurements when testing
dgfx. Later we will abstract the simple librapl interface over hwmon so
that we can verify basic power consumption scenarios.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210412090526.30547-3-matthew.auld@intel.com
If there is no mappable aperture, we cannot remap it for access, and the
selftest is void.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210412090526.30547-2-matthew.auld@intel.com
Add a note about the two-step process.
v2(Tvrtko):
- Also document the other method of just passing in a buffer which is
large enough, which avoids two ioctl calls. Can make sense for
smaller query items.
v3: prefer kernel-doc references for structs and members
Suggested-by: Daniel Vetter <daniel@ffwll.ch>
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: Daniel Vetter <daniel.vetter@intel.com>
Cc: Kenneth Graunke <kenneth@whitecape.org>
Cc: Jason Ekstrand <jason@jlekstrand.net>
Cc: Dave Airlie <airlied@gmail.com>
Cc: dri-devel@lists.freedesktop.org
Cc: mesa-dev@lists.freedesktop.org
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20210419105741.27844-4-matthew.auld@intel.com
Add some example usage for the extension chaining also, which is quite
nifty.
v2: (Daniel)
- clarify that the name is just some integer, also document that the
name space is not global
v3: prefer kernel-doc references for structs
Suggested-by: Daniel Vetter <daniel@ffwll.ch>
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: Daniel Vetter <daniel.vetter@intel.com>
Cc: Kenneth Graunke <kenneth@whitecape.org>
Cc: Jason Ekstrand <jason@jlekstrand.net>
Cc: Dave Airlie <airlied@gmail.com>
Cc: dri-devel@lists.freedesktop.org
Cc: mesa-dev@lists.freedesktop.org
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20210419105741.27844-3-matthew.auld@intel.com
Fix the cases where it is almost already valid kernel doc, for the
others just nerf the warnings for now.
Signed-off-by: Matthew Auld <matthew.auld@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: Daniel Vetter <daniel.vetter@intel.com>
Cc: Kenneth Graunke <kenneth@whitecape.org>
Cc: Jason Ekstrand <jason@jlekstrand.net>
Cc: Dave Airlie <airlied@gmail.com>
Cc: dri-devel@lists.freedesktop.org
Cc: mesa-dev@lists.freedesktop.org
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20210419105741.27844-1-matthew.auld@intel.com
Make them independent so we can use DGFX_FEATURES more generically.
For future platforms that do not use the GEN nomenclature we will define
graphics, media and display separately, so we avoid setting graphics_ver
with the GEN() macro.
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210413051002.92589-13-lucas.demarchi@intel.com
Since we are now converting from a single gen version to graphics_ver,
media_ver and display_ver, add the last 2 when printing the device info.
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210413051002.92589-12-lucas.demarchi@intel.com
Now that it's not being used anymore, finish its removal. Like for
gen_mask, we replace INTEL_GEN() and IS_GEN() macros to use the new
field.
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
[Jani: Minor code comment change while applying.]
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210413051002.92589-11-lucas.demarchi@intel.com
Now that it's not used anywhere, remove it from struct
intel_device_info. To allow a period in which code will be converted to
the new macro, keep IS_GEN_RANGE() around, just redefining it to use
the new fields. The size advantage from IS_GEN_RANGE() using a mask is
not that big as it has pretty limited use througout the driver:
text data bss dec hex filename
2758497 95965 6496 2860958 2ba79e drivers/gpu/drm/i915/i915.ko.old
2758586 95953 6496 2861035 2ba7eb drivers/gpu/drm/i915/i915.ko.new
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
[Jani: Minor code comment change while applying.]
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210413051002.92589-9-lucas.demarchi@intel.com
Remove the remaining uses of INTEL_GEN_MASK() and the correspondent
gen_mask in struct intel_device_info. This will allow the removal of
gen_mask later since it's incompatible with the new per-IP versioning
scheme.
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210413051002.92589-8-lucas.demarchi@intel.com
Since its introduction 2 years ago, we never used the mask to span more
than one gen. Replace gen_mask a single number and start using the new
GRAPHICS_VER().
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210413051002.92589-7-lucas.demarchi@intel.com
Start using the new fields graphics_version for the previous gen checks.
Here we rename the "gen" field and replace the comparisons using it to
start using the new GRAPHICS_VER(). Other uses of INTEL_GEN() were left
as is for automatic conversion later.
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210413051002.92589-6-lucas.demarchi@intel.com
Like it was done in
commit 01eb15c9165e ("drm/i915: Add DISPLAY_VER() and related macros")
add the correspondent macros for graphics and media. Going forward we
will prefer checking the versions for the specific IPs (graphics, media
and display) rather than grouping everything under a "gen" version.
For consistency and to make the maintenance easier, it'd be preferred
not to mix the *GEN* macros with the new ones. For older platforms we
can simply consider that the previous "gen" number will extend to all
3 IPs. Then we can start replacing its use in the driver. Right now this
replacement is not done and only the infrastructure is put in place.
We also leave gen and gen_mask inside struct intel_device_info while
it's still being used throughout the code.
v2: Repurpose IS_{GRAPHICS,MEDIA}_VER() macros to work with a range
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
[Jani: Minor code comment change while applying.]
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210413051002.92589-5-lucas.demarchi@intel.com
While converting the rest of the driver to use GRAPHICS_VER() and
MEDIA_VER(), following what was done for display, some discussions went
back on what we did for display:
1) Why is the == comparison special that deserves a separate
macro instead of just getting the version and comparing directly
like is done for >, >=, <=?
2) IS_DISPLAY_RANGE() is weird in that it omits the "_VER" for
brevity. If we remove the current users of IS_DISPLAY_VER(), we
could actually repurpose it for a range check
With (1) there could be an advantage if we used gen_mask since multiple
conditionals be combined by the compiler in a single and instruction and
check the result. However a) INTEL_GEN() doesn't use the mask since it
would make the code bigger everywhere else and b) in the cases it made
sense, it also made sense to convert to the _RANGE() variant.
So here we repurpose IS_DISPLAY_VER() to work with a [ from, to ] range
like was the IS_DISPLAY_RANGE() and convert the current IS_DISPLAY_VER()
users to use == and != operators. Aside from the definition changes,
this was done by the following semantic patch:
@@ expression dev_priv, E1; @@
- !IS_DISPLAY_VER(dev_priv, E1)
+ DISPLAY_VER(dev_priv) != E1
@@ expression dev_priv, E1; @@
- IS_DISPLAY_VER(dev_priv, E1)
+ DISPLAY_VER(dev_priv) == E1
@@ expression dev_priv, from, until; @@
- IS_DISPLAY_RANGE(dev_priv, from, until)
+ IS_DISPLAY_VER(dev_priv, from, until)
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
[Jani: Minor conflict resolve while applying.]
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20210413051002.92589-4-lucas.demarchi@intel.com
The macro we use to check is called DISPLAY_VER(). While using this
macro and the new ones being added in following changes I made the
mistake multiple times when mixing both "ver" and "version". Although
it's usually better to prefer the complete name, the shorhand
DISPLAY_VER() / GRAPHICS_VER / MEDIA_VER are clear and cause less
visual polution.
Another issue is when copying the variable to other places.
"display.version" would be copied to a "display_version" variable which
is long and would make people abbreviate as "version", or "display_ver".
In the first case it's not always clear what version refers to, and in
the second case it just hints it should be the name in the first place.
So, in the same way use used "gen" rather than "generation", use "ver"
instead of "version".
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210413051002.92589-3-lucas.demarchi@intel.com
Commit 989634fb49ad ("drm/i915/audio: set HDA link parameters in driver")
added INTEL_GEN() in the display code, where it should actually be using
DISPLAY_VER(). Switch to the new macro.
Cc: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210413051002.92589-2-lucas.demarchi@intel.com
Just let bxt/glk fall back to intel_hpd_pin_default() instead
of using skl_hpd_pin() or cnl_hpd_pin(). Doesn't really matter
since both functions will end up returning the correct hpd pin
anyway, but I find it a bit less confusing when bxt/glk are
fully separated from the logic for the other platforms.
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210412054607.18133-5-ville.syrjala@linux.intel.com
The glk display version change is causing us to again attempt
LTTPR detection on glk. We must not do tha since glk doesn't
have a long enough AUX timeout. Restore the correct logic to
skip the detection.
Cc: Matt Roper <matthew.d.roper@intel.com>
Fixes: 2b5a4562edd0 ("drm/i915/display: Simplify GLK display version tests")
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210412054607.18133-4-ville.syrjala@linux.intel.com
We lost a CCS related w/a on glk when the display version
became 10 instead of 9. Restore the correct check.
Cc: Matt Roper <matthew.d.roper@intel.com>
Fixes: 2b5a4562edd0 ("drm/i915/display: Simplify GLK display version tests")
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210412054607.18133-3-ville.syrjala@linux.intel.com
We lost the FBC 16bpp 512byte stride requirement on glk when
we switched from display version 9 to 10. Restore the w/a to
avoid enabling FBC with a bad stride and thus display garbage.
Cc: Matt Roper <matthew.d.roper@intel.com>
Fixes: 2b5a4562edd0 ("drm/i915/display: Simplify GLK display version tests")
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210412054607.18133-2-ville.syrjala@linux.intel.com
Now that we've eliminated INTEL_GEN(), IS_GEN_RANGE(), etc. from the
display code, we should also kill off our use of the IS_GEN9_* macros
too. We'll do the conversion manually this time instead of using
Coccinelle since the most logical substitution can depend heavily on the
code context, and sometimes we can keep the code simpler if we make
additional adjustments such as swapping the order of if/else arms.
v2:
- Restore a lost negation in intel_pll_is_valid().
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210407203945.1432531-1-matthew.d.roper@intel.com
(cherry picked from commit 70bfb30743d5da73058b0a2271e9c127a84fb494)
[Jani: cherry picked to topic branch to reduce conflicts]
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
RC6 support cannot be simply established by looking at the static device
HAS_RC6() flag. There are cases which disable RC6 at driver load time so
use the status of those check when deciding whether to enumerate the rc6
counter.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reported-by: Eero T Tamminen <eero.t.tamminen@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210331101850.2582027-1-tvrtko.ursulin@linux.intel.com
Reference needs to be taken before arming the timer. Luckily, given the
default timer period of 20s, the potential to hit the race is extremely
unlikely.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Fixes: 9b4d0598ee94 ("drm/i915: Request watchdog infrastructure")
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210326105759.2387104-1-tvrtko.ursulin@linux.intel.com
This WA is needed in all gen12 platforms, moving it to
gen12_ctx_workarounds_init() allow us to remove the duplicated
implementation.
Also allow us to remove the tgl_ctx_workarounds_init() that after the
WA move above was empty.
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210324200502.1731265-4-lucas.demarchi@intel.com
Wa_22010271021 does not apply only to EHL, but to all gen11 and other
gen12 platforms. Gen12 is already covered in another code path, but we
need to stop checking for EHL when handling gen11.
Bspec: 33450, 52887
v2: Remove "gen11" suffix as it also applies to gen12 platforms
Cc: Clinton Taylor <clinton.a.taylor@intel.com>
Signed-off-by: Caz Yokoyama <caz.yokoyama@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210324200502.1731265-3-lucas.demarchi@intel.com
Follow Bspec 31870 to set recommended tuning values for certain GT
register. These values aren't workarounds per-se, but it's best to
handle them in the same general area of the driver, especially since
there may be real workarounds that update other bits of the same
registers.
At the moment the only value we need to worry about is the
TDS_TIMER setting in FF_MODE2. This setting was previously
described as "Wa_1604555607" on some platforms, but the spec
tells us that we should continue to program this on all current
gen12 platforms, even those that do not have that WA.
Bspec: 31870
v2: Rephrase some comments to make them clearer (Matt)
Cc: Clinton Taylor <clinton.a.taylor@intel.com>
Signed-off-by: Caz Yokoyama <caz.yokoyama@intel.com>
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210324200502.1731265-2-lucas.demarchi@intel.com
Driver Changes:
- Prepare for local/device memory support on DG1 by starting
to use it for kernel internal allocations: context, ring
and engine scratch (Matt A, CQ, Abdiel, Imre)
- Sandybridge fix to avoid hard hang on ring resume (Chris)
- Limit imported dma-buf size to int32 (Matt A)
- Double check heartbeat timeout before resetting (Chris)
- Use new tasklet API for execution list (Emil)
- Fix SPDX checkpats warnings (Chris)
- Fixes for various checkpatch warnings (Chris)
- Selftest improvements (Chris)
- Move the defer_request waiter active assertion to correct spot (Chris)
- Make local-memory probing a GT operation (Matt, Tvrtko)
- Protect against request freeing during cancellation on wedging (Chris)
- Retire unexpected starting state error dumping (Chris)
- Distinction of memory regions in debugging (Zbigniew)
- Always flush the submission queue on checking for idle (Chris)
- Consolidate 2big error check to helper (Matt)
- Decrease number of subplatform bits (Tvrtko)
- Remove unused internal request priority levels (Chris)
- Document the unused internal header bits in buddy allocator (Matt)
- Cleanup the region class/instance encoding (Matt)
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/YGxksaZGXHnFxlwg@jlahtine-mobl.ger.corp.intel.com
1. Fine tune the line time for EOTp.
2. Add support mt8192 dpi.
3. Make crtc config-updating atomic.
4. Don't support hdmi connector creation.
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Merge tag 'mediatek-drm-next-5.13' of https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux into drm-next
Mediatek DRM Next for Linux 5.13
1. Fine tune the line time for EOTp.
2. Add support mt8192 dpi.
3. Make crtc config-updating atomic.
4. Don't support hdmi connector creation.
From: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210405082248.3578-1-chunkuang.hu@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
