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During stress environment, sometimes DSI ULPS exit sequence
does not work properly. Add memory barriers while programing
DSI lane register to ensure proper state transition of DSI
lane during ULPS exit.
Change-Id: Ib50958cf342bf23ab44f5a9d3bdf60adad824145
Signed-off-by: Sandeep Panda <spanda@codeaurora.org>
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Initialize external backlight level to -1 when fb probe.
This is to make sure the external backlight level is
invalid the first time overlay kickoff.
CRs-Fixed: 2021142
Change-Id: I973b184903cdb5b378326b23ca5c958e4b868c76
Signed-off-by: Xu Yang <yangxu@codeaurora.org>
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Scaling is not allowed for layers with solid-fill.
Add checks in validate call to fail such cases.
Change-Id: I02cb2d129d27c6173429fd02b5ff84702936d98e
Signed-off-by: Veera Sundaram Sankaran <veeras@codeaurora.org>
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The CEA extension block in the EDID data contains a field which
specifies whether the sink supports basic audio. Ensure to read
this field in addition to the audio data blocks to decide if
audio should be routed to the sink or not.
CRs-Fixed: 2014586
Change-Id: I556d4bc0b2c95bdf7fd24fd11eafb96394bf03af
Signed-off-by: Aravind Venkateswaran <aravindh@codeaurora.org>
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Add mutex lock to protect an active rotator session from being closed.
Without the lock, this can happen if a rotator closing IOCTL is
called from a separate thread.
CRs-Fixed: 2006159
Change-Id: I927a0c626bdae5ef149e12979ec4befdbac1b7f7
Signed-off-by: Benjamin Chan <bkchan@codeaurora.org>
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Fix race condition in mdp debugfs properties
during the read and write of the panel and
mdp registers. This race condition can cause
accessing memory out bounderies.
Change-Id: I97a90a154237343d4aaf237c11f525bcc2c3a8e3
Signed-off-by: Ingrid Gallardo <ingridg@codeaurora.org>
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For sdm660 the ULPS clamp registers are moved from
DSI PHY level to interface level. This change handles
the new settings for both video mode and command mode
interface.
Change-Id: Ib99c605362aa25aacfa394c1a7ffe2886acf7035
Signed-off-by: Sandeep Panda <spanda@codeaurora.org>
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In the current implementation before triggering BTA,
DSI SW waits for extra time to skip display blanking period.
Add an additional check for active line count to ensure that
BTA is always triggered during display active region only.
Change-Id: Ife67f5a38fa9e8df6f8431e9d2b0179c207adeb2
Signed-off-by: Sandeep Panda <spanda@codeaurora.org>
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Some panels have low escape clock requirements based on which the
host escape clock should be configured. Add support to configure
host escape clock based on the panel escape clock. By default, the
host would be configured for an escape clock of 19.2MHz.
Change-Id: If791ffb4d49dd97424366042ee35bd4ecda5c185
Signed-off-by: Ashish Garg <ashigarg@codeaurora.org>
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DP sink specifies the maximum per-lane link rate and the maximum lane
count that it supports as part of its capabilities. This would limit
the maximum data transfer rate that can be supported on the link. Use
this information to filter the list of EDID modes to include only the
ones that can be supported with the maximum possible link rate.
CRs-Fixed: 2018514
Change-Id: I4bc3a339935a49081bd45cb778737116d99ee7c2
Signed-off-by: Aravind Venkateswaran <aravindh@codeaurora.org>
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Update mdp caps to enable concurrent write back feature
along with the QoS settings required.
Change-Id: Ie8368fb327e908a549877b06da0fed5917fc3788
Signed-off-by: Sravanthi Kollukuduru <skolluku@codeaurora.org>
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If dp driver sends userspace notifications before framework
is ready to receive these events, events are lost, due to which
display issue is observed. This change fixes this issue.
Change-Id: I91eaa824099536a019e084a9665786f0ec4bca1d
Signed-off-by: Narender Ankam <nankam@codeaurora.org>
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During the resolution switch use case where the active resolution
needs prefetch but the new resolution doesnot require it, currently
programmable fetch blocks are not disabled if not in use.
Change-Id: Ib5ea8ef75308132f5530aaf35aaea53858ea94a2
Signed-off-by: Raviteja Tamatam <travitej@codeaurora.org>
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When dynamic resolution switch is enabled,
it may happen that mixer w/h get updated
for new resolution before hist for last frame
with different resolution is read. This can
lead to sanity check failure for hist sum.
Fix the issue by clearing the current expected
sum and caching sum for next frame.
Change-Id: I93734900770a6c97eac66a412710cae217835693
Signed-off-by: Rajesh Yadav <ryadav@codeaurora.org>
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The source split detection logic looks at only consecutive
layers in the layer list. This change looks at all previous
layers in the list instead of just the previous one.
Change-Id: I8b135a10ef1e5062d87c0784515a9eeb6ea4a450
Signed-off-by: Rajkumar Subbiah <rsubbia@codeaurora.org>
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During pipe reset, the mixer can be accessed without checking whether
it is allocated or not which can result in null pointer dereference.
This is fixed by adding a check before accessing the mixer.
CRs-Fixed: 1105018
Change-Id: If02d26102fedd9b7dc2a866cc7c6bcdaa447d4f7
Signed-off-by: Krishna Manikandan <mkrishn@codeaurora.org>
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Fix ref counting of the secure buffers. This change releases
the ref count on the secure buffers during the free operation.
This allows the buffers to be ref counted until hw has done
fetching from the buffers.
CRs-Fixed: 2012323
Change-Id: Ic24c39e75d502ed73453d0c6d78fd76448737697
Signed-off-by: Abhijit Kulkarni <kabhijit@codeaurora.org>
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In current implementation while disabling interface, the
interface stopped flag is not keeping the correct value. This
is causing issues when later if we use this flag during command
autorefresh feature disable. So update the flag properly after
wiping out display context structure to store correct value.
Change-Id: Id2cc64e3f10711b92f8b8f4f36f73f716c9ac831
Signed-off-by: Sandeep Panda <spanda@codeaurora.org>
Signed-off-by: Vishnuvardhan Prodduturi <vproddut@codeaurora.org>
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In some cases, when the pipe is being unstaged from right mixer,
some unnecessary processing is done and warning messages are
being printed. This can be avoided by updating the right stage
information after unstaging the pipe.
Change-Id: Ibeaa1c4bee29d7ac3ae34140bea8d5b7468dbc85
Signed-off-by: Krishna Chaitanya Devarakonda <kdevarak@codeaurora.org>
Signed-off-by: Krishna Manikandan <mkrishn@codeaurora.org>
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1. Add support to update backlight when display commit. Backlight
level is sent from userspace. And sync to set PP config, kickoff,
and set backlight in the same vsync period.
2. Add support to get current backlight level through sysfs node.
Change-Id: Icf264299ecf8edd3831938745a471c2655c23542
Signed-off-by: Xu Yang <yangxu@codeaurora.org>
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For video mode panels, the secure session (display/camera) should be
disabled after the Flush. This is to make sure that the secure buffer
is no longer being fetched, before disabling the secure session.
Change-Id: I9cef6a00fa16f4e23cb5d860548a3502951a7281
Signed-off-by: Krishna Chaitanya Devarakonda <kdevarak@codeaurora.org>
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Add change to correct the conditional check for entering the
panel in and out of LP configurations. Remove the unused enum
structure related to panel blank status.
Change-Id: Ic1140eafcc7cdd8d64c107bddc824eeca844462d
Signed-off-by: Padmanabhan Komanduru <pkomandu@codeaurora.org>
Signed-off-by: Vishnuvardhan Prodduturi <vproddut@codeaurora.org>
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In current implementation we disable tear check block when
transitioning into ultra low power or power off state for
doze mode. But it is not enabled back when moving from
ultra low power state(LP2) to low power state(LP1), after
which updates are expected. This change enables back tearcheck
block when transitioning to LP1 from LP2 state.
Change-Id: Ic0d8f97752ccf88470da2423f3f8d56a32de227f
Signed-off-by: Sandeep Panda <spanda@codeaurora.org>
Signed-off-by: Vishnuvardhan Prodduturi <vproddut@codeaurora.org>
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During a DSI DMA read command transaction, it is expected to have
DSI FIFO overflow if the read operation duration exceeds one BLLP
line time frame. Make sure not to trigger DSI FIFO overflow recovery
sequence for such cases where DSI FIFO overflow error is masked.
Change-Id: I0762a0f51d580a44cfa24ffac60cc465c241c733
Signed-off-by: Padmanabhan Komanduru <pkomandu@codeaurora.org>
Signed-off-by: Vishnuvardhan Prodduturi <vproddut@codeaurora.org>
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In cases where DSI DMA done operation is performed but isr is
not triggered due to CPU delays, we clear only the DMA_DONE
interrupt. There is a possibility of a DSI read operation for
DSI command mode panels where the DMA_DONE interrupt is cleared and
DSI link clocks are turned off. After some time, the DSI isr gets
triggered for BTA_DONE interrupt and since DSI link clocks are off,
this causes an interrupt storm due to BTA_DONE interrupt not getting
cleared. Clear the BTA_DONE interrupt as well for cases where DMA_DONE
operation is done but isr not getting triggered.
Change-Id: Iceb02e6dd78f4bbf313e2b4d252d6a30699619f0
Signed-off-by: Padmanabhan Komanduru <pkomandu@codeaurora.org>
Signed-off-by: Vishnuvardhan Prodduturi <vproddut@codeaurora.org>
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When the target is in suspend or when shutdown is pending,
the DSI recovery need not be taken care of. Add change to
handle this case based on the return value of the MDSS
recovery events.
Change-Id: I5a5cd6743c15cca7ca42a40db7dcd552c95b20b6
Signed-off-by: Padmanabhan Komanduru <pkomandu@codeaurora.org>
Signed-off-by: Ashish Garg <ashigarg@codeaurora.org>
Signed-off-by: Vishnuvardhan Prodduturi <vproddut@codeaurora.org>
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Check size of cursor image provided by userspace and return error
appropriately.
Bug: 34125463
CRs-Fixed: 1115406
Change-Id: I31aee3c9219921cf5c4306b36f8708582b838c38
Signed-off-by: Naseer Ahmed <naseer@codeaurora.org>
Signed-off-by: Rajkumar Subbiah <rsubbia@codeaurora.org>
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