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All other master control register bits, except the enable,
are read only and they are level indications of the second
level interrupt status. Only touch enable bit and rectify
the comment.
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181015141440.21845-2-mika.kuoppala@linux.intel.com
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Disable master interrupt before reading level indications.
This will close a race where we get a level indication between
reading and disabling, generating an extra interrupt where we
could have avoided one.
Further, as the reading acts also as a post, replace the
write/post on the irq reset with the helper. On enabling side,
posting doesn't serve any purpose so it can also be replaced
with helper.
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20181015141440.21845-1-mika.kuoppala@linux.intel.com
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Enable SAGV for ICL platform.
Cc: Gwan-gyeong Mun <gwan-gyeong.mun@intel.com>
Tested-by: Gwan-gyeong Mun <gwan-gyeong.mun@intel.com>
Reviewed-by: James Ausmus <james.ausmus@intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Mahesh Kumar <mahesh1.kumar@intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181011225725.21208-1-paulo.r.zanoni@intel.com
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Since we peek into HW state and poke around, it behoves us to acquire a
runtime pm wakeref beforehand.
References: https://bugs.freedesktop.org/show_bug.cgi?id=108343
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=108364
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181015115856.18590-1-chris@chris-wilson.co.uk
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LSPCON chips can generate YCBCR outputs, if asked nicely :).
In order to generate YCBCR 4:2:0 outputs, a source must:
- send YCBCR 4:4:4 signals to LSPCON
- program color space as 4:2:0 in AVI infoframes
Whereas for YCBCR 4:4:4 outputs, the source must:
- send YCBCR 4:4:4 signals to LSPCON
- program color space as 4:4:4 in AVI infoframes
So for both 4:2:0 as well as 4:4:4 outputs, we are driving the
pipe for YCBCR 4:4:4 output, but AVI infoframe's color space
information indicates LSPCON FW to start scaling down from YCBCR
4:4:4 and generate YCBCR 4:2:0 output. As the scaling is done by
LSPCON device, we need not to reserve a scaler for 4:2:0 outputs.
V2: rebase
V3: Addressed review comments from Ville
- add enum crtc_output_format instead of bool ycbcr420
- use crtc_output_format=4:4:4 for modeset of LSPCON 4:2:0 output
cases in this way we will have YCBCR 4:4:4 framework ready (except
the ABI part)
V4: Added r-b from Maarten (for v3)
Addressed review comments from Ville:
- Do not add a non-atomic state variable to determine lspcon output.
Instead add bool in CRTC state to indicate lspcon based scaling.
V5: Addressed review comments from Ville:
- Change the state bool name from external scaling to something more
relavent.
- Keep the info and adjusted_mode structures const.
- use crtc_state instead of pipe_config.
- Push all the config change into lspcon_ycbcr420_config function.
V6: Rebase, small changes to accommodate changes in patch 2.
V7: Fixed checkpatch warnings for alignment
V8: Rebase
PS: Ignored following warnings to match the current formatting:
drm/i915: Add YCBCR 4:2:0/4:4:4 support for LSPCON
-:53: CHECK:SPACING: spaces preferred around that '<<' (ctx:VxV)
#53: FILE: drivers/gpu/drm/i915/i915_reg.h:8721:
+#define TRANS_MSA_SAMPLING_444 (2<<1)
^
-:54: CHECK:SPACING: spaces preferred around that '<<' (ctx:VxV)
#54: FILE: drivers/gpu/drm/i915/i915_reg.h:8722:
+#define TRANS_MSA_CLRSP_YCBCR (2<<3)
V9: Rebase
V10: Rebase
V11: Rebase
Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Shashank Sharma <shashank.sharma@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1539325394-20788-8-git-send-email-shashank.sharma@intel.com
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Different LSPCON vendors specify their custom methods to pass
AVI infoframes to the LSPCON chip, so does Parade tech.
This patch adds functions to arrange and write AVI infoframes
into Parade LSPCON chips.
V2: rebase
V3: Added r-b from Maarten
V4: rebase
V5: rebase
V6: rebase
V7: Fixed checkpatch warnings for alignment
V8: Rebase
V9: Rebase
V10: Rebase
Cc: Imre Deak <imre.deak@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Shashank Sharma <shashank.sharma@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1539325394-20788-7-git-send-email-shashank.sharma@intel.com
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LSPCON is a DP branch device, so LSPCON vendors define
specific methods to pass AVI infoframes to the the chip.
This patch adds:
- a generic wrapper function for writing AVI infoframes for
all LSPCON devices.
- a vendor specific function to wrire AVI infoframes into
MCA LSPCON devices.
V2: Rebase
V3: Added r-b from Maarten
V4: Rebase
V5: Rebase
V6: Rebase
V7: Fixed checkpatch warnings for alignment
V8: Rebase
V9: Added the retry logic, with 50ms incremental delays while
writing AVI IF
V10: Changed the return value check
V11: Fixed checkpatch warning
V12: Rebase
Cc: Imre Deak <imre.deak@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Shashank Sharma <shashank.sharma@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1539325394-20788-6-git-send-email-shashank.sharma@intel.com
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In order to pass AVI infoframes to LSPCON devices, a source has to
write them in a vendor recommended method and location.
This patch series:
- adds generic LSPCON infoframe setup functions.
- registers these functions into existing AVI infoframe framework.
- triggers these functions from modeset sequence.
Next patches in the series will add vendor specific code.
V2: Added new parameter to align with new definition of
drm_hdmi_avi_infoframe_quant_range
V3: Added r-b from Maarten (for V2)
Added new parameter output_format in struct lspcon to accommodate
Ville's review comments on last patch of the series
V4: Addressed Ville's review comment
- Do not add output_format in LSPCON state, as its non-atomic. Add
this into CRTC state (added in a later patch).
V5: Rebase
V6: Rebase
V7: Rebase
V8: Rebase
V9: Rebase
V10: Rebase
V11: Accommodated rebasing changes in intel_git_port fptrs (set_infoframes and infoframe_enabled)
Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Cc: Imre Deak <imre.deak@linux.intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Shashank Sharma <shashank.sharma@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1539325394-20788-5-git-send-email-shashank.sharma@intel.com
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Intel LSPCON chip is provided by 2 vendors:
- Megachips America (MCA)
- Parade technologies (Parade tech)
Its important to know the vendor of this chip, as the address to
write AVI infoframes is different for those two.
This patch reads the vendor OUI signature, and marks into LSPCON
encoder structure for future usages.
This patch also does a small re-arrangement of the code, by moving
lspcon mode change into probe function.
V2: Use dp->desc for OUI detection, dont add a helper for this
(Ville)
V3: Rebase, Added r-b from Maarten
V4: Rebase
V5: Rebase
V6: Rebase
V7: Rebase
V8: Rebase
V9: Rebase
V10: Rebase
Cc: Imre Deak <imre.deak@intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Shashank Sharma <shashank.sharma@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1539325394-20788-4-git-send-email-shashank.sharma@intel.com
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This patch adds support for YCBCR 4:4:4 CRTC output format.
To do this, this patch extends the existing YCBCR 4:2:0
framework by:
- Adding new parameter in for YCBCR 4:4:4 enum crtc_iutput_format.
- Adding case for YCBCR 4:4:4 in while setting AVI infoframes.
- Adding necessary checks in modeset sequence.
V3: Added this patch in the series
V4: Added r-b from Maarten (for v3)
Addressed review comment from Ville:
Do not use (config->output_format > CRTC_OUTPUT_RGB)
V5: Rebase
V6: Rebase and small change, to accommodate changes in patch 2
V7: Fixed checkpatch alignment warnings
V8: Rebase
V9: Rebase
V10: Rebase
V11: Addressed review comment from Ville
Missing output_format_str[INTEL_OUTPUT_FORMAT_YCBCR444]
Added Ville's R-B.
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Shashank Sharma <shashank.sharma@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1539325394-20788-3-git-send-email-shashank.sharma@intel.com
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Currently, we are using a bool in CRTC state (state->ycbcr420),
to indicate modeset, that the output format is YCBCR 4:2:0. Now in
order to support other YCBCR formats, we will need more such flags.
This patch adds a new enum parameter for YCBCR 4:2:0 outputs, in the
CRTC output formats and then plugs it during the modeset.
V3: Added this patch in the series, to address review comments from
second patchset.
V4: Added r-b from Maarten (on v3)
Addressed review comments from Ville:
- Change the enum name to intel_output_format.
- Start the enum value (INVALID) from 0 instaed of 1.
- Set the crtc's output_format to RGB in encoder's compute_config.
V5: Broke previous patch 1 into two parts,
- first patch to add CRTC output format in general
- second patch (this one) to add YCBCR 4:2:0 output
format specifically.
- Use ARRAY_SIZE(format_str) for output format validity check (Ville)
V6: Added a separate function to calculate crtc_state->output_format, and
calling it from various get_config function (Fix CI build warning)
V7: Fixed checkpatch warnings for alignment
V8: Rebase
V9: Rebase
V10: Rebase
V11: Addressed review comments from Ville:
- Change check for CRTC output format from > ARRAY_SIZE to >= ARRAY_SIZE.
- Check for values < INTEL_OUTPUT_FORMAT_RGB is unnecessary.
- No need to get CRTC YCBCR config, for pre-BDW functions.
Added Ville's r-b.
Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Shashank Sharma <shashank.sharma@intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1539325394-20788-2-git-send-email-shashank.sharma@intel.com
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This patch adds an enum "intel_output_format" to represent
the output format of a particular CRTC. This enum will be
used to produce a RGB/YCBCR4:4:4/YCBCR4:2:0 output format
during the atomic modeset calculations.
V5:
- Created this separate patch to introduce and init output_format.
- Initialize parameters of output_format_str respectively (Jani N).
- Call it intel_output_format than crtc_output_format(Ville).
- Set output format in pipe_config for every encoder (Ville).
- Get rid of extra DRM_DEBUG_KMS during get_pipe_config (Ville)
V6: Rebase
V7: Fixed alignment warnings (checkpatch)
V8: Another check[atch warning for alignment
V9: Rebase
V10: Rebase on top of DSI restructure
V11: Addressed review comment from Ville
- Set CRTC format for pre-HSW get_pipe_config() function too.
Added Ville's R-B
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Shashank Sharma <shashank.sharma@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1539325394-20788-1-git-send-email-shashank.sharma@intel.com
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Handle integer overflow when computing the sub-page length for shmem
backed pread/pwrite.
Reported-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: stable@vger.kernel.org
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181012140228.29783-1-chris@chris-wilson.co.uk
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DC5 and DC6 counter register tells about residency of DC5 and DC6.
Added the same in debugfs file.
v2 : Remove csr_version check.
Added generic check regarding DC counters for Gen9 onwards. (Rodrigo)
v3 : Simplified gen checks. (Chris)
v4 : Simplified "if" ladder for multiple gens.
v5 : Removed unnecessary comment.
Signed-off-by: Jyoti Yadav <jyoti.r.yadav@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/1538762926-4880-1-git-send-email-jyoti.r.yadav@intel.com
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This message is currently marked as DRM_DEBUG_ATOMIC. I would like it
to be DRM_DEBUG_KMS since it is more KMS than atomic, and this will
also make the message appear in the CI logs, which may or may not help
us with some FIFO underrun bugs.
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181004231600.14101-7-paulo.r.zanoni@intel.com
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We were writing to PLANE_BUF_CFG(pipe, plane_id) twice for every
platform, and we were even using different values on the gen10- planar
case. The first write is useless since it just gets replaced with the
next one, so kill it.
There's a lot to improve in the DDB code, but let's start by avoiding
the double write.
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181004231600.14101-6-paulo.r.zanoni@intel.com
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The transition watermarks ask for Selected Result Blocks (the real
value), not Result Blocks (the integer value). Given how ceilings are
applied in both the non-transition and the transition watermarks
calculations, we can get away with assuming that Selected Result
Blocks is actually Result Blocks minus 1 without any rounding errors.
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181004231600.14101-5-paulo.r.zanoni@intel.com
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On these platforms we're supposed to unconditonally pick the method 2
result instead of the minimum.
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181004231600.14101-4-paulo.r.zanoni@intel.com
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The transition minimum is 14 blocks for gens 9 and 10, and 4 blocks
for gen 11. This minimum value is supposed to be added to the
configurable trans_amount. This matches both BSpec and additional
information provided by our HW engineers.
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181004231600.14101-3-paulo.r.zanoni@intel.com
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Function intel_framebuffer_init() checks for the possibilities during
framebuffer creation (addfb ioctl time). It is missing the fact that
the indexed format is not supported with Yf tiling.
It is worth noticing that skl_plane_format_mod_supported() correctly
handles for the C8/Yf combination, but this function runs during
modeset time, so we only reject the combination later.
Ville recently proposed a new IGT test that only uses addfb to assert
supported formats, so that IGT was failing. Add the check so we get
green squares right from the start after Ville merges his test.
Also drive-by fix the missing /* fall through */ in the chunk we
modified by just turning it into a "break;" since IMHO breaks are
easier to read than fall-throughs.
BSpec: 18565
Testcase: igt/kms_addfb_basic/expected-formats (not merged yet)
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180925001913.29460-1-paulo.r.zanoni@intel.com
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We need extra load failure point to better test error path in
i915_driver_init_mmio.
Suggested-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
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/20181011130008.24640-2-michal.wajdeczko@intel.com
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In case of the error we missed to call i915_mmio_cleanup
that matches earlier call to i915_mmio_setup.
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.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/20181011130008.24640-1-michal.wajdeczko@intel.com
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This new AML PCI ID uses the same gen graphics as Coffe Lake not a
Kaby Lake one like the other AMLs.
So to make it more explicit renaming INTEL_AML_GT2_IDS to
INTEL_AML_KBL_GT2_IDS and naming this id as INTEL_AML_CFL_GT2_IDS.
v2:
- missed add new AML macro to INTEL_CFL_IDS()
- added derivated platform initials to AML macros
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180927010650.22731-1-jose.souza@intel.com
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For mmap-exhaustion, we deliberately put the system under a large amount
of pressure to ensure that we are able to reap mmap-offsets from dead
objects. If background activity does that reaping for us, that defeats
the purpose of the test and in some cases will fail our sanity checks
(because of the fake activity we use to prevent the idle worker).
Fixes: 932cac10c8fb ("drm/i915/selftests: Prevent background reaping of acti
ve objects")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181011103748.18387-1-chris@chris-wilson.co.uk
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As mentioned in the previous commit, we currently prevent new modesets
on recently-removed MST connectors by returning no encoder from our
->best_encoder() callback once the MST port has disappeared. This is
wrong however, because it prevents legacy modesetting users from being
able to disable CRTCs on MST connectors after the connector's respective
topology has disappeared.
So, fix this by instead by just always returning a valid encoder.
Changes since v2:
- Remove usage of atomic MST helper for now, since that got replaced
with a much simpler solution
Signed-off-by: Lyude Paul <lyude@redhat.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Reviewed-by: Ben Skeggs <bskeggs@redhat.com>
Cc: stable@vger.kernel.org
Link: https://patchwork.freedesktop.org/patch/msgid/20181008232437.5571-3-lyude@redhat.com
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It appears when testing my previous fix for some of the legacy
modesetting issues with MST, I misattributed some kernel splats that
started appearing on my machine after a rebase as being from upstream.
But it appears they actually came from my patch series:
[ 2.980512] [drm:drm_atomic_helper_check_modeset [drm_kms_helper]] Updating routing for [CONNECTOR:65:eDP-1]
[ 2.980516] [drm:drm_atomic_helper_check_modeset [drm_kms_helper]] [CONNECTOR:65:eDP-1] is not registered
[ 2.980516] ------------[ cut here ]------------
[ 2.980519] Could not determine valid watermarks for inherited state
[ 2.980553] WARNING: CPU: 3 PID: 551 at drivers/gpu/drm/i915/intel_display.c:14983 intel_modeset_init+0x14d7/0x19f0 [i915]
[ 2.980556] Modules linked in: i915(O+) i2c_algo_bit drm_kms_helper(O) syscopyarea sysfillrect sysimgblt fb_sys_fops drm(O) intel_rapl x86_pkg_temp_thermal iTCO_wdt wmi_bmof coretemp crc32_pclmul psmouse i2c_i801 mei_me mei i2c_core lpc_ich mfd_core tpm_tis tpm_tis_core wmi tpm thinkpad_acpi pcc_cpufreq video ehci_pci crc32c_intel serio_raw ehci_hcd xhci_pci xhci_hcd
[ 2.980577] CPU: 3 PID: 551 Comm: systemd-udevd Tainted: G O 4.19.0-rc7Lyude-Test+ #1
[ 2.980579] Hardware name: LENOVO 20BWS1KY00/20BWS1KY00, BIOS JBET63WW (1.27 ) 11/10/2016
[ 2.980605] RIP: 0010:intel_modeset_init+0x14d7/0x19f0 [i915]
[ 2.980607] Code: 89 df e8 ec 27 02 00 e9 24 f2 ff ff be 03 00 00 00 48 89 df e8 da 27 02 00 e9 26 f2 ff ff 48 c7 c7 c8 d1 34 a0 e8 23 cf dc e0 <0f> 0b e9 7c fd ff ff f6 c4 04 0f 85 37 f7 ff ff 48 8b 83 60 08 00
[ 2.980611] RSP: 0018:ffffc90000287988 EFLAGS: 00010282
[ 2.980614] RAX: 0000000000000000 RBX: ffff88031b488000 RCX: 0000000000000006
[ 2.980617] RDX: 0000000000000007 RSI: 0000000000000086 RDI: ffff880321ad54d0
[ 2.980620] RBP: ffffc90000287a10 R08: 000000000000040a R09: 0000000000000065
[ 2.980623] R10: ffff88030ebb8f00 R11: ffffffff81416590 R12: ffff88031b488000
[ 2.980626] R13: ffff88031b4883a0 R14: ffffc900002879a8 R15: ffff880319099800
[ 2.980630] FS: 00007f475620d180(0000) GS:ffff880321ac0000(0000) knlGS:0000000000000000
[ 2.980633] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2.980636] CR2: 00007f9ef28018a0 CR3: 000000031b72c001 CR4: 00000000003606e0
[ 2.980639] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2.980642] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2.980645] Call Trace:
[ 2.980675] i915_driver_load+0xb0e/0xdc0 [i915]
[ 2.980681] ? kernfs_add_one+0xe7/0x130
[ 2.980709] i915_pci_probe+0x46/0x60 [i915]
[ 2.980715] pci_device_probe+0xd4/0x150
[ 2.980719] really_probe+0x243/0x3b0
[ 2.980722] driver_probe_device+0xba/0x100
[ 2.980726] __driver_attach+0xe4/0x110
[ 2.980729] ? driver_probe_device+0x100/0x100
[ 2.980733] bus_for_each_dev+0x74/0xb0
[ 2.980736] driver_attach+0x1e/0x20
[ 2.980739] bus_add_driver+0x159/0x230
[ 2.980743] ? 0xffffffffa0393000
[ 2.980746] driver_register+0x70/0xc0
[ 2.980749] ? 0xffffffffa0393000
[ 2.980753] __pci_register_driver+0x57/0x60
[ 2.980780] i915_init+0x55/0x58 [i915]
[ 2.980785] do_one_initcall+0x4a/0x1c4
[ 2.980789] ? do_init_module+0x27/0x210
[ 2.980793] ? kmem_cache_alloc_trace+0x131/0x190
[ 2.980797] do_init_module+0x60/0x210
[ 2.980800] load_module+0x2063/0x22e0
[ 2.980804] ? vfs_read+0x116/0x140
[ 2.980807] ? vfs_read+0x116/0x140
[ 2.980811] __do_sys_finit_module+0xbd/0x120
[ 2.980814] ? __do_sys_finit_module+0xbd/0x120
[ 2.980818] __x64_sys_finit_module+0x1a/0x20
[ 2.980821] do_syscall_64+0x5a/0x110
[ 2.980824] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 2.980826] RIP: 0033:0x7f4754e32879
[ 2.980828] Code: 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d f7 45 2c 00 f7 d8 64 89 01 48
[ 2.980831] RSP: 002b:00007fff43fd97d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
[ 2.980834] RAX: ffffffffffffffda RBX: 0000559a44ca64f0 RCX: 00007f4754e32879
[ 2.980836] RDX: 0000000000000000 RSI: 00007f475599f4cd RDI: 0000000000000018
[ 2.980838] RBP: 00007f475599f4cd R08: 0000000000000000 R09: 0000000000000000
[ 2.980839] R10: 0000000000000018 R11: 0000000000000246 R12: 0000000000000000
[ 2.980841] R13: 0000559a44c92fd0 R14: 0000000000020000 R15: 0000000000000000
[ 2.980881] WARNING: CPU: 3 PID: 551 at drivers/gpu/drm/i915/intel_display.c:14983 intel_modeset_init+0x14d7/0x19f0 [i915]
[ 2.980884] ---[ end trace 5eb47a76277d4731 ]---
The cause of this appears to be due to the fact that if there's
pre-existing display state that was set by the BIOS when i915 loads, it
will attempt to perform a modeset before the driver is registered with
userspace. Since this happens before the driver's registered with
userspace, it's connectors are also unregistered and thus-states which
would turn on DPMS on a connector end up getting rejected since the
connector isn't registered.
These bugs managed to get past Intel's CI partially due to the fact it
never ran a full test on my patches for some reason, but also because
all of the tests unload the GPU once before running. Since this bug is
only really triggered when the drivers tries to perform a modeset before
it's been fully registered with userspace when coming from whatever
display configuration the firmware left us with, it likely would never
have been picked up by CI in the first place.
After some discussion with vsyrjala, we decided the best course of
action would be to just move the unregistered connector checks out of
update_connector_routing() and into drm_atomic_set_crtc_for_connector().
The reason for this being that legacy modesetting isn't going to be
expecting failures anywhere (at least this is the case with X), so
ideally we want to ensure that any DPMS changes will still work even on
unregistered connectors. Instead, we now only reject new modesets which
would change the current CRTC assigned to an unregistered connector
unless no new CRTC is being assigned to replace the connector's previous
one.
Signed-off-by: Lyude Paul <lyude@redhat.com>
Reported-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Fixes: 4d80273976bf ("drm/atomic_helper: Disallow new modesets on unregistered connectors")
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: stable@vger.kernel.org
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181009204424.21462-1-lyude@redhat.com
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Check we can handle a late display load failure where the final act of
registering the connector fails.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Cc: Daniel Vetter <daniel.vetter@intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Acked-by: Jani Nikula <jani.nikula@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181010123833.16797-1-chris@chris-wilson.co.uk
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Now that we have intel_connector.c, move the connector specific
functions from intel_display.c there. Fix a few checkpatch complaints
while at it. No functional changes.
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181010075205.7713-2-jani.nikula@intel.com
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The common denominator here seems to be connector more than
modes. Prepare for moving more connector functions to the same place. No
functional changes.
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181010075205.7713-1-jani.nikula@intel.com
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For a while we carried lvds connector specific data in the lvds
connector, but since commit 05c72e77ccda ("drm/i915: Nuke the LVDS lid
notifier") we haven't needed it. Revert back to plain intel_connector.
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181009210916.19578-1-jani.nikula@intel.com
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When reporting the DPCD dump through debugfs, show the errors inline
where appropriate. If a read at one particular offset fails, report it.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=106371
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181010081706.29931-1-chris@chris-wilson.co.uk
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panel's native mode
This patch fixes the original commit c0cfb10d9e1de49 ("drm/i915/edp:
Do not do link training fallback or prune modes on EDP") that causes
a blank screen in case of certain eDP panels (Eg: seen on Dell XPS13 9350)
where first link training fails and a retraining is required by falling
back to lower link rate/lane count.
In case of some panels they advertise higher link rate/lane count
than whats required for supporting the panel's native mode.
But we always link train at highest link rate/lane count for eDP
and if that fails we can still fallback to lower link rate/lane count
as long as the fallback link BW still fits the native mode to avoid
pruning the panel's native mode yet retraining at fallback values
to recover from a blank screen.
v3:
* Add const for fixed_mode (Ville)
v2:
* Send uevent if link failure on eDP unconditionally
Fixes: c0cfb10d9e1d ("drm/i915/edp: Do not do link training fallback or prune modes on EDP")
Cc: Clinton Taylor <clinton.a.taylor@intel.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: <stable@vger.kernel.org> # v4.17+
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=107489
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=105338
Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
Tested-by: Alexander Wilson <alexander.wilson@ncf.edu>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181009212804.702-1-manasi.d.navare@intel.com
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Almost all of the connector destroy functions do the same thing. The
differences are in the edid, detect_edid and panel cleanups, but those
are safely NULL when not initialized. Roll out a common connector
destroy hook.
Inspired by commit bc3213c44415 ("drm/i915: Drop the eDP check from
intel_dp_connector_destroy()").
Cc: Ville Syrjala <ville.syrjala@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181009141103.20387-1-jani.nikula@intel.com
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Currently, i915 appears to rely on blocking modesets on
no-longer-present MSTB ports by simply returning NULL for
->best_encoder(), which in turn causes any new atomic commits that don't
disable the CRTC to fail. This is wrong however, since we still want to
allow userspace to disable CRTCs on no-longer-present MSTB ports by
changing the DPMS state to off and this still requires that we retrieve
an encoder.
So, fix this by always returning a valid encoder regardless of the state
of the MST port.
Changes since v1:
- Remove mst atomic helper, since this got replaced with a much simpler
solution
Signed-off-by: Lyude Paul <lyude@redhat.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: stable@vger.kernel.org
Link: https://patchwork.freedesktop.org/patch/msgid/20181008232437.5571-6-lyude@redhat.com
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Since we need to be able to allow DPMS on->off prop changes after an MST
port has disappeared from the system, we need to be able to make sure we
can compute a config for the resulting atomic commit. Currently this is
impossible when the port has disappeared, since the VCPI slot searching
we try to do in intel_dp_mst_compute_config() will fail with -EINVAL.
Since the only commits we want to allow on no-longer-present MST ports
are ones that shut off display hardware, we already know that no VCPI
allocations are needed. So, hardcode the VCPI slot count to 0 when
intel_dp_mst_compute_config() is called on an MST port that's gone.
Changes since V4:
- Don't use mst_port_gone at all, just check whether or not the drm
connector is registered - Daniel Vetter
Signed-off-by: Lyude Paul <lyude@redhat.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: stable@vger.kernel.org
Link: https://patchwork.freedesktop.org/patch/msgid/20181008232437.5571-5-lyude@redhat.com
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Currently we set intel_connector->mst_port to NULL to signify that the
MST port has been removed from the system so that we can prevent further
action on the port such as connector probes, mode probing, etc.
However, we're going to need access to intel_connector->mst_port in
order to fixup ->best_encoder() so that it can always return the correct
encoder for an MST port to prevent legacy DPMS prop changes from
failing. This should be safe, so instead keep intel_connector->mst_port
always set and instead just check the status of
drm_connector->regustered to signify whether or not the connector has
disappeared from the system.
Changes since v2:
- Add a comment to mst_port_gone (Jani Nikula)
- Change mst_port_gone to a u8 instead of a bool, per the kernel bot.
Apparently bool is discouraged in structs these days
Changes since v4:
- Don't use mst_port_gone at all! Just check if the connector is
registered or not - Daniel Vetter
Signed-off-by: Lyude Paul <lyude@redhat.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: stable@vger.kernel.org
Link: https://patchwork.freedesktop.org/patch/msgid/20181008232437.5571-4-lyude@redhat.com
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With the exception of modesets which would switch the DPMS state of a
connector from on to off, we want to make sure that we disallow all
modesets which would result in enabling a new monitor or a new mode
configuration on a monitor if the connector for the display in question
is no longer registered. This allows us to stop userspace from trying to
enable new displays on connectors for an MST topology that were just
removed from the system, without preventing userspace from disabling
DPMS on those connectors.
Changes since v5:
- Fix typo in comment, nothing else
Signed-off-by: Lyude Paul <lyude@redhat.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: stable@vger.kernel.org
Link: https://patchwork.freedesktop.org/patch/msgid/20181008232437.5571-2-lyude@redhat.com
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As long as the connector was zeroed during allocation calling
intel_panel_fini() is safe even if we haven't initialized
the panel struct explicitly. So let's drop the useless eDP
check from dp connector destruction.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181008134641.24868-2-ville.syrjala@linux.intel.com
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
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Currently we destroy the backlight during connector unregistration.
That means the final modeset performed by drm_atomic_helper_shutdown()
will leave the backlight on. We don't want that so let's just move
intel_panel_destroy_backlight() into intel_panel_fini() which gets
called during connector destuction.
We still unregister the user visible backlight device during connector
unregistration.
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181008134641.24868-1-ville.syrjala@linux.intel.com
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=106386
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Incorrect TDL's SSP address shift in SARB for 16:6 & 18:8 modes.
Disable the Sampler state prefetch functionality in the SARB by
programming 0xB000[30] to '1'. This is to be done at boot time
and the feature must remain disabled permanently.
Fixes flaky tex-mip-level-selection* piglit tests with Mesa i965
driver.
Cc: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Signed-off-by: Anuj Phogat <anuj.phogat@gmail.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181004182939.7668-6-radhakrishna.sripada@intel.com
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Shader feature to prefetch binding tables does not support 16:6 18:8 BTP
formats. Enabling fault handling could result in hangs with faults.
Disabling demand prefetch would disable binding table prefetch.
V2: Fix the stepping rivision to B0(Mika)
References: HSDES#1406609255, HSDES#1406573985
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Signed-off-by: Radhakrishna Sripada <radhakrishna.sripada@intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Signed-off-by: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181004182939.7668-5-radhakrishna.sripada@intel.com
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s/crtc/crtc_state/ for the kernel doc as well as the params.
Fixes: 65c307fd08dd ("drm/i915: Make shared dpll functions take crtc_state, v3.")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Acked-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181008104808.17457-1-chris@chris-wilson.co.uk
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Let's try to stick a common naming pattern in all the plane init funcs.
v2: Rebase due to color_encoding/range props
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181005125817.22576-12-ville.syrjala@linux.intel.com
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Use a more familiar naming pattern for our variables in the sprite plane
init function.
v2: Drop the redundant 'plane' from plane_formats and num_planes_formats
too
v3: Rebase due to ->max_stride() and ->check_plane() changes
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com> #v2
Link: https://patchwork.freedesktop.org/patch/msgid/20181005125817.22576-11-ville.syrjala@linux.intel.com
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There's not much point in following the primary vs. sprite split
for the SKL+ universal plane init code. The only difference is
of our own doing in the form of the .check_plane(). Let's make
a small exception for that little detail and otherwise share
the same code to initialize all the universal planes.
Eventually we should eliminate the mess around .check_plane()
as well, but for now let's be happy with some code reduction.
v2: Remember to set up plane->has_fbc
Make skl_plane_has_ccs() static
v3: Rebase due to NV12, rename some variables
v4: Don't leave the color_encoding/range props behind
v5: Rebase dur to blend properties, skl_plane_max_stride() and
skl_plane_check()
v6: Make skl_update_plane() static
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com> #v4
Link: https://patchwork.freedesktop.org/patch/msgid/20181005125817.22576-10-ville.syrjala@linux.intel.com
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Pull the common plane+plane_state allocation into a small helper.
Reduces the amount of boilerplate in the plane initialization
functions.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181005125817.22576-9-ville.syrjala@linux.intel.com
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intel_create_plane_state()
No point in having each caller of intel_create_plane_state() initialize
the scaler_id to -1. Instead just do it in intel_create_plane_state().
Previously we left scaler_id at 0 for pre-SKL platforms, but I can't
see how initializing it to -1 always would cause any harm.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181005125817.22576-8-ville.syrjala@linux.intel.com
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All SKL+ universal planes support the same set of formats (with the
exception of NV12 which we don't expose yet). Make the format lists
for primary and sprites the same.
And make the format list const while at it.
v2: Deal with the "planar" format list as well
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181005125817.22576-7-ville.syrjala@linux.intel.com
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Plane scaling is not supported with specific pixel formats. Disallow
plane scaling when such a format is used. Currently the only such
pixel format we expose is C8, but in case we add more in the future
let's make it easy to deal with them.
v2: Redo due to plane_check() refactoring
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com> #v1
Link: https://patchwork.freedesktop.org/patch/msgid/20181005125817.22576-6-ville.syrjala@linux.intel.com
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All CNL universal planes support horizontal mirroring. Currently
we expose the capability only for the primary plane. Expose it
for the overlay planes as well.
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181005125817.22576-5-ville.syrjala@linux.intel.com
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