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This patch adds the implementation of a new scheduling algorithm - ROW. The policy of this algorithm is to prioritize READ requests over WRITE as much as possible without starving the WRITE requests. Change-Id: I4ed52ea21d43b0e7c0769b2599779a3d3869c519 Signed-off-by: Tatyana Brokhman <tlinder@codeaurora.org> block: ROW: Correct minimum values of ROW tunable parameters The ROW scheduling algorithm exposes several tunable parameters. This patch updates the minimum allowed values for those parameters. Change-Id: I5ec19d54b694e2e83ad5376bd99cc91f084967f5 Signed-off-by: Tatyana Brokhman <tlinder@codeaurora.org> block: ROW: Fix forced dispatch This patch fixes forced dispatch in the ROW scheduling algorithm. When the dispatch function is called with the forced flag on, we can't delay the dispatch of the requests that are in scheduler queues. Thus, when dispatch is called with forced turned on, we need to cancel idling, or not to idle at all. Change-Id: I3aa0da33ad7b59c0731c696f1392b48525b52ddc Signed-off-by: Tatyana Brokhman <tlinder@codeaurora.org> block: Add support for reinsert a dispatched req Add support for reinserting a dispatched request back to the scheduler's internal data structures. This capability is used by the device driver when it chooses to interrupt the current request transmission and execute another (more urgent) pending request. For example: interrupting long write in order to handle pending read. The device driver re-inserts the remaining write request back to the scheduler, to be rescheduled for transmission later on. Add API for verifying whether the current scheduler supports reinserting requests mechanism. If reinsert mechanism isn't supported by the scheduler, this code path will never be activated. Change-Id: I5c982a66b651ebf544aae60063ac8a340d79e67f Signed-off-by: Tatyana Brokhman <tlinder@codeaurora.org> block: Add API for urgent request handling This patch add support in block & elevator layers for handling urgent requests. The decision if a request is urgent or not is taken by the scheduler. Urgent request notification is passed to the underlying block device driver (eMMC for example). Block device driver may decide to interrupt the currently running low priority request to serve the new urgent request. By doing so READ latency is greatly reduced in read&write collision scenarios. Note that if the current scheduler doesn't implement the urgent request mechanism, this code path is never activated. Change-Id: I8aa74b9b45c0d3a2221bd4e82ea76eb4103e7cfa Signed-off-by: Tatyana Brokhman <tlinder@codeaurora.org> row: Adding support for reinsert already dispatched req Add support for reinserting already dispatched request back to the schedulers internal data structures. The request will be reinserted back to the queue (head) it was dispatched from as if it was never dispatched. Change-Id: I70954df300774409c25b5821465fb3aa33d8feb5 Signed-off-by: Tatyana Brokhman <tlinder@codeaurora.org> block:row: fix idling mechanism in ROW This patch addresses the following issues found in the ROW idling mechanism: 1. Fix the delay passed to queue_delayed_work (pass actual delay and not the time when to start the work) 2. Change the idle time and the idling-trigger frequency to be HZ dependent (instead of using msec_to_jiffies()) 3. Destroy idle_workqueue() in queue_exit Change-Id: If86513ad6b4be44fb7a860f29bd2127197d8d5bf Signed-off-by: Tatyana Brokhman <tlinder@codeaurora.org> row: Add support for urgent request handling This patch adds support for handling urgent requests. ROW queue can be marked as "urgent" so if it was un-served in last dispatch cycle and a request was added to it - it will trigger issuing an urgent-request-notification to the block device driver. The block device driver may choose at stop the transmission of current ongoing request to handle the urgent one. Foe example: long WRITE may be stopped to handle an urgent READ. This decreases READ latency. Change-Id: I84954c13f5e3b1b5caeadc9fe1f9aa21208cb35e Signed-off-by: Tatyana Brokhman <tlinder@codeaurora.org> block: row: Add some debug information on ROW queues 1. Add a counter for number of requests on queue. 2. Add function to print queues status (number requests currently on queue and number of already dispatched requests in current dispatch cycle). Change-Id: I1e98b9ca33853e6e6a8ddc53240f6cd6981e6024 Signed-off-by: Tatyana Brokhman <tlinder@codeaurora.org> block: row: Insert dispatch_quantum into struct row_queue There is really no point in keeping the dispatch quantum of a queue outside of it. By inserting it to the row_queue structure we spare extra level in accessing it. Change-Id: Ic77571818b643e71f9aafbb2ca93d0a92158b199 Signed-off-by: Tatyana Brokhman <tlinder@codeaurora.org> block: row: fix sysfs functions - idle_time conversion idle_time was updated to be stored in msec instead of jiffies. So there is no need to convert the value when reading from user or displaying the value to him. Change-Id: I58e074b204e90a90536d32199ac668112966e9cf Signed-off-by: Tatyana Brokhman <tlinder@codeaurora.org> block: row: Aggregate row_queue parameters to one structure Each ROW queues has several parameters which default values are defined in separate arrays. This patch aggregates all default values into one array. The values in question are: - is idling enabled for the queue - queue quantum - can the queue notify on urgent request Change-Id: I3821b0a042542295069b340406a16b1000873ec6 Signed-off-by: Tatyana Brokhman <tlinder@codeaurora.org> block: fixes required to make the kernel compile with ROW.
Change-Id: I2af87c132f95cdae97b381e96cf9a9cc4253c1c5
Change-Id: If4e5e42ca585824ed2ea636895d9645917cd2a1f Signed-off-by: helicopter88 <johnlemon.lol@gmail.com>
Change-Id: If9c8e2ff366acc3e6c08e6342f67d32c37a43984 Conflicts: drivers/gpu/msm/a2xx_reg.h drivers/gpu/msm/adreno.c drivers/gpu/msm/adreno_a2xx.c drivers/gpu/msm/kgsl.c drivers/gpu/msm/kgsl_device.h
Change-Id: I853f9dc3c5e2c28a441367ec0f044dc317ba9930
Change-Id: I589c8ebb854a2f883b7996be7795f4069b8f3760
For use with new display and media repos Change-Id: Ibf0eb4f9dbdfa37081af24b9e1fd3accc3ffce4e
Change-Id: I8bf66ce48190490b6cae15ca8a3f021e6ac0d02e
Change-Id: I74f5239677eee4c15b389279190488fb206de6df
Change-Id: If0139897c19254c3e40f6b8925b9351c1d9514ec
This host driver will be used to communicate with modem devices with dial up network and RMNET interfaces. This driver works as a bridge to pass control and data packets between the modem and peripheral usb gadget driver. Driver currently supports modem devices (vendor ID 0x05c6) with PIDs 0x9001 Change-Id: Id85b552b39d061528a1c3c90a354d73580c9b631 Signed-off-by: Hemant Kumar <hemantk@codeaurora.org> Signed-off-by: Jack Pham <jackp@codeaurora.org>
Enabled by default, can disable with: echo N > /sys/module/otg_wakelock/parameters/enabled Change-Id: I34974624c52ae23490852b44c270d2f326cf6116 Signed-off-by: Todd Poynor <toddpoynor@google.com> usb: otg: Temporarily grab wakelock on charger and disconnect events Change-Id: If995d4af4adcb08e8369009483f2956ad9627267 Signed-off-by: Todd Poynor <toddpoynor@google.com> add for OTG support by faux123
Change-Id: Ie693c3feee0f8e19fc406c12e1e91af6a52ec731
Conflicts: drivers/char/diag/diagchar_core.c drivers/char/diag/diagfwd.c drivers/usb/gadget/Kconfig drivers/usb/gadget/android.c drivers/usb/gadget/ci13xxx_udc.c drivers/usb/gadget/composite.c drivers/usb/gadget/f_adb.c drivers/usb/gadget/f_mass_storage.c drivers/usb/gadget/f_rmnet_sdio.c drivers/usb/gadget/f_rmnet_smd_sdio.c drivers/usb/gadget/f_serial.c drivers/usb/gadget/u_ether.c Change-Id: I67b3945aa74ba09fd8a99962c718de5713b44f5d
Change-Id: I05998d85acb0e9c2729da1a7dbbec38da035bbd3
HTC panels don't seem to work correctly with the Android CRT-off animation. Add a short sleep period to let userspace finish drawing the animation.
Change-Id: I388dcbc074dece7615f5b5d1a37a85643e3fd037
Change-Id: I0b2ccbbdc5207af4a8ff919f76e07b70eee7b0e6
Add support for the ION memory manager to the framebuffer driver Adapted to HTC Evo 3D by Johnnyslt Change-Id: If012dcdbbc71eb0f7d4d429ad4789b3276d34a58 Signed-off-by: Nagamalleswararao Ganji <nganji@codeaurora.org> Signed-off-by: Naseer Ahmed <naseer@codeaurora.org> Signed-off-by: Darescu Ionut <johnny@esi.ro>
Add control definitions and documentation for controls specific to codec devices. Signed-off-by: Kamil Debski <k.debski@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com> Change-Id: I94e1be196120988cfee2420ba6bd342eece1f481 Signed-off-by: Deva Ramasubramanian <dramasub@codeaurora.org>
v4l2_qcom_frameskip is a QCOM specific parameter to be used with VIDIO_S_PARM to indicate that the driver might take up to maxframeinterval nanoseconds in providing the next buffer. Driver supports this parameter if the V4L2_CAP_QCOM_FRAMESKIP capability is set in VIDIO_G_PARM. Change-Id: Iebbd012b9cc75395b1e165349e7e2d9d7a77160a Signed-off-by: Deva Ramasubramanian <dramasub@codeaurora.org> (cherry picked from commit 51cbd0a)
Add fourcc definitions and documentation for the following compressed formats: H264, H264 without start codes, MPEG1/2/4 ES, XVID, VC1 Annex G and Annex L compliant. Change-Id: Ibd87db4f72793310871ebd7a178e9593c4b54d33 Signed-off-by: Kamil Debski <k.debski@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com> Signed-off-by: Deva Ramasubramanian <dramasub@codeaurora.org> (cherry picked from commit 8b02007)
Without error concealment, there is a bug in video core due to which it goes in to bad state for certain clips and times out. This change fixes the issue. CRs-fixed: 336167 Signed-off-by: Arun Menon <menon@codeaurora.org> (cherry picked from commit 0a1dfa3) Change-Id: Ib3f8de2ff96bfe4d0db35197950fe758f9186b03 Signed-off-by: Yen-Pin Hsiao <yphsiao@codeaurora.org> Signed-off-by: Darescu Ionut <johnny@esi.ro>
Added check for frame rate change. Corner case if there is no change in xres,yres and pixclock. CRs-Fixed: 356328 Signed-off-by: Siddhartha Agrawal <agrawals@codeaurora.org> (cherry picked from commit 1b92af6) Change-Id: I43cb099068ef4c69a364b142eb3c34a3fc426db6 Signed-off-by: Ramakrishna Prasad N <crpn@codeaurora.org> Signed-off-by: Darescu Ionut <johnny@esi.ro>
The video driver needs control of some IOMMU clocks for secure video playback. Add the necessary aliases to the clk_lookup table. (cherry picked from commit 966922b) Change-Id: Ibdaf3d1f05aa0dd3e1feb0a5f2a07892b0eba586 Signed-off-by: Riaz Ur Rahaman <riazr@codeaurora.org>
Change-Id: I209f9db2824e0313f467f11ab09e5f54f0a4a6b5 Signed-off-by: Erik Gilling <konkers@android.com>
Change-Id: I1042851f5e30f9fdc2f35bdad84123bcf108560f Signed-off-by: Erik Gilling <konkers@android.com> Conflicts: drivers/base/Kconfig
Change-Id: I2ad855072b86873880769a09a3176e85aa1199d7 Signed-off-by: Erik Gilling <konkers@android.com>
Change-Id: I8a7ea63e454fbeee1ecf17e6c3caff7c43b24734 Signed-off-by: Erik Gilling <konkers@android.com>
Change-Id: I71410aef7e03a52562f7cb15b993ac8441b1fa12 Signed-off-by: Erik Gilling <konkers@android.com>
Change-Id: Ib3812d282db56362d82f5ccc9a12b7d2100ab93a Signed-off-by: Erik Gilling <konkers@android.com>
Change-Id: I294e481bba92658e6dd26f157ddbf0e9ff4ce8a5 Signed-off-by: Erik Gilling <konkers@android.com>
- Revert "base: sync: signal a sync pt when not adding to the active_list" - sync: Fix error paths - sync: add tracepoint support - sync: refactor sync debug printing - sync: use proper barriers when waiting indefinitely - sync: update new fence status with sync_fence_signal_pt - sync: dump sync state of fence errors - sync: protect unlocked access to fence status - base: sync: signal a sync pt when not adding to the active_list - sync: improve timeout dumps - sync: use correct signed type when handling SYNC_IOC_WAIT - sync: dump sync state to console on timeout - sync: clean up compiler warnings - sync: fix erase-o in sync_fence_wait - sync: change wait timeout to mirror poll semantics - sync: add reference counting to timelines - sync: add internal refcounting to fences - sync: optimize fence merges - sync: reorder sync_fence_release - sync: export sync API symbols - sync: allow async waits to be canceled Change-Id: Id65ecdd395782d487773bdf7baa3ed681a72b729 Signed-off-by: Shruthi Krishna <skrish@codeaurora.org>
This reverts commit 8cc6dac.
Change-Id: I1fc0d10ef6f7c42498d2f7b8814befc636ddc659
Taken from Lexmaster's kernel Signed-off-by: helicopter88 <johnlemon.lol@gmail.com> Change-Id: I4cdbe443f672c45ddaef67c146e855c8ec341306
Change-Id: I37f132a71e10c93c42f7cea4e7c7b63a6fa6f5a2 Signed-off-by: helicopter88 <johnlemon.lol@gmail.com>
This reverts commit 3c31d58.
Change-Id: I4c5c6b7480f790f664ea170f1a23d832d660e556
Change-Id: I51aebd508188da814d2f3baf93658fbbb7f7bc1f
Change-Id: I3ba925359c5ef693c12e349c0d9d56a95b706989
Driver updates...
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sweep2unlock: Add sweep2unlock v0.1 Thanks to Ezekeel's gladoskernel source which helped me a lot in understanding how to emulate a virtual powerkey press. The powerkey emulation is largely inspired by his coding for Touch2Wake (Galaxy Nexus). sweep2unlock: check if screen is offline sweep2unlock: remove lck_reverse & checks sweep2unlock: change sleep value, correct typo, add comment sweep2unlock: change conditions Don't assume unlock/lock is triggered if only one condition is met. The new implementation includes checking if 3 barriers are hit before triggering the lock/unlock. This assures only intentional triggering. Also only allow one trigger as long as the finger still touches the screen. Reset and allow another trigger if the all fingers are lifted. sweep2unlock: change barriers for screenoff trigger to avoid taking loads of screenshots :D sweep2unlock: set scr_suspended early so that additional locks/unlocks are avoided sweep2unlock: don't allow jumping through all barriers without having hit them sweep2unlock: use an additional variable to determine if the barrier is already breached sweep2unlock: change values to avoid taking screenshots when touching 'home' sweep2unlock: break the loop if triggered, decrease sleep delay, change values to avoid screenshots when fast sweeping #2 sweep2unlock: Change barriers and homebutton back to original values. The screenshot function from the HTC framework should be disabled to avoid taking screenshots. This is the proper way of doing things. We still have the AOSP screenshot variant which can be accessed by pressing Vol.DOWN + POWER at the same time and holding them for about one second. sweep2unlock: restructure early suspend / late resume hack sweep2unlock: relocate main code, reformat it, change debug echo, slight 3rd barrier adjustment sweep2unlock: use wakelocks This solves not triggering irqs while the screen is offline. It has to show how that affects battery life. sweep2wake: rename sweep2unlock sweep2wake: 'fat finger' fix ;) sweep2wake: Add Kconfig entry sweep2wake: redesign wakelocks Only wakelock if necessary and release the wakelock immediately if not. sweep2wake: allow the touchscreen irq to wake the phone sweep2wake: remove wakelocks from the code Since we now have a completely interrupt based wake up call these wakelocks are obsolete so remove them. sweep2wake: fix unresponsive touchscreen (depends on hw revision) sweep2wake: redefine barriers for easier (un)locks sweep2wake: add debug info sweep2wake: fix typo, no need to enable something that is already enabled sweep2wake: increase simulated powerkey press length sweep2wake: Don't set suspended state if screen is not suspended sweep2wake: add cmdline interface (on/off) sweep2wake: reenable all suspend/resume commands if s2w_switch == false cmdline_s2w: add debug output sweep2wake: restructure ifdefs to gain readability sweep2wake: always set suspend=1, reset baseline If this is not set the baseline will not be reset when the device comes from sleep, which results in an unresponsive touchscreen. (Similiar to a gounding issue) sweep2wake: get button-backlight device sweep2wake: enable dynamic button_backlight If the screen is offline and you touch the home button (aka start a sweep2unlock) the capacitive buttons will light up to guide your path. They will be shutdown again as soon as you lift your finger. sweep2wake: fix unlock start position sweep2wake: Only reset the baseline if the screen is suspended, fix for old touchcontroller hwrev sweep2wake: on resume suspend our touch controller for a short while This allows resume to wake it up the right way a bit further down. This is a HW revision fix, it is not needed for all touch controllers! Sadly this breaks the sweep2unlock gesture. sweep2wake: revert resetting the baseline sweep2wake: button_backlight: fix backlight staying on sweep2wake: fix led flickering as far as possible for now sweep2wake: fix button_backlight being activated when sweeping to lock the phone sweep2wake: increase fake suspend time, hw revision fix sweep2wake: fix incorrect debug message sweep2wake: add option to disable the button backlight control input/touchscreen: cy8c: fix multitouch on certain hw revisions sweep2wake: add sysfs-interface sweep2wake: sysfs: no need to set the same value again :) Signed-off-by: showp1984 <showp1984@gmail.com> sweep2wake: sysfs: add missing ifdefs Signed-off-by: showp1984 <showp1984@gmail.com>
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