- 20 Feb, 2018 10 commits
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Meghana Madhyastha authored
Remove tinydrm_of_find_backlight from tinydrm-helpers.c. We now have a generic of_find_backlight defined in backlight.c. Let the callers of tinydrm_of_find_backlight call of_find_backlight. Also, remove select BACKLIGHT_LCD_SUPPORT and select BACKLIGHT_CLASS_DEVICE from tinydrm/Kconfig as it is a hack that is no longer needed. Reviewed-by:
Noralf Trønnes <noralf@tronnes.org> Reviewed-by:
Sean Paul <seanpaul@chromium.org> Signed-off-by:
Meghana Madhyastha <meghana.madhyastha@gmail.com> Signed-off-by:
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Meghana Madhyastha authored
Remove tinydrm_enable/disable_backlight and let the callers call the more generic backlight_enable/disable helpers Reviewed-by:
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Sean Paul authored
Merge tag 'topic/backlight_for_lag-2018-01-29' of git://anongit.freedesktop.org/drm/drm-misc into drm-misc-next This contains the backlight portion of Meghana Madhyastha's patch set to migrate the backlight helpers from tinydrm to the backlight subsystem. https://patchwork.freedesktop.org/series/36522/ Cc: Meghana Madhyastha <meghana.madhyastha@gmail.com> Signed-off-by:
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Jani Nikula authored
A bit boring documentation fix, but gets rid of the warnings: ./include/drm/drm_connector.h:370: warning: Function parameter or member 'margins.left' not described in 'drm_tv_connector_state' ./include/drm/drm_connector.h:370: warning: Function parameter or member 'margins.right' not described in 'drm_tv_connector_state' ./include/drm/drm_connector.h:370: warning: Function parameter or member 'margins.top' not described in 'drm_tv_connector_state' ./include/drm/drm_connector.h:370: warning: Function parameter or member 'margins.bottom' not described in 'drm_tv_connector_state' [Depends on fe7bc493 ("scripts: kernel-doc: support in-line comments on nested structs/unions") in docs-next to actually fix the warnings.] Reviewed-by:
Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by:
Jani Nikula <jani.nikula@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180219104009.4887-1-jani.nikula@intel.com
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Daniel Vetter authored
Support for this just recently landed in linux-next. Reviewed-by:
Thierry Reding <treding@nvidia.com> Signed-off-by:
Daniel Vetter <daniel.vetter@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180219225356.24996-5-daniel.vetter@ffwll.ch
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Daniel Vetter authored
Quoting the module option format looks soo much nicer, and avoids sphinx spewing errors about markup issues. v2: Fix typo in commit message (Thierry). Reviewed-by:
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Daniel Vetter authored
Move it out of the csv dungeon. While at it add the missing link to the helper functions for setting up the "panel rotation" property. Also OCD how we list enum property values and their corresponding docs. Going for a nest definition list seams cleanest, no need for also making it an uordered list. Cc: Sean Paul <seanpaul@chromium.org> Cc: Hans de Goede <hdegoede@redhat.com> Reviewed-by:
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Daniel Vetter authored
Just a bit of drive-by OCD. All the other property docs use enumerations, for some nice visual consistency. It also neatly highlights the property name. Reviewed-by:
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Daniel Vetter authored
Motivated by patch review. The table is really hard to read in source form, hard to edit, and we've moved away to more focused sections about specific features and how they're exposed in properties. Those sections can then more easily enumerate options, link to helper functions and other parts of the docs. All things that get ugly real fast in the docs. Cc: Maxime Ripard <maxime.ripard@bootlin.com> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by:
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Linus Walleij authored
The PL111 needs to filter valid modes based on memory bandwidth. I guess it is a pretty simple operation, so we can still claim the DRM KMS helper pipeline is simple after adding this (optional) vtable callback. Reviewed-by:
Eric Anholt <eric@anholt.net> Reviewed-by:
Linus Walleij <linus.walleij@linaro.org> Link: https://patchwork.freedesktop.org/patch/msgid/20180220072859.3386-1-linus.walleij@linaro.org
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- 19 Feb, 2018 7 commits
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Daniel Vetter authored
Suggested-by:
Chris Wilson <chris@chris-wilson.co.uk> Cc: Chris Wilson <chris@chris-wilson.co.uk> Acked-by:
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Chris Wilson authored
Use the new idr_init_base() function to create an IDR that knows id==0 is never allocated as it maps to an invalid identifier. By knowing that id==0 is invalid, the IDR can start from id=1 instead avoiding the issue of having to start each lookup from the zeroth leaf as id==0 is always unused (and thus the tree-of-bitmaps indicate that is the first available). References: 6ce711f2 ("idr: Make 1-based IDRs more efficient") Signed-off-by:
Ville Syrjälä <ville.syrjala@linux.intel.com> Acked-by: Christian König <christian.koenig@amd.com> as well. Link: https://patchwork.freedesktop.org/patch/msgid/20180212145533.30046-1-chris@chris-wilson.co.uk
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Joe Moriarty authored
The Parfait (version 2.1.0) static code analysis tool found the following NULL pointer derefernce problem. - drivers/gpu/drm/drm_edid.c The call to drm_cvt_mode() in function drm_mode_std() for the HDTV hack resulted in the possibility of accessing a NULL pointer if drm_mode_std() returned NULL. A check for this added right after the call to drm_cvt_mode() in this particular area of code. Signed-off-by:
Joe Moriarty <joe.moriarty@oracle.com> Reviewed-by:
Steven Sistare <steven.sistare@oracle.com> Signed-off-by:
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Joe Moriarty authored
The Parfait (version 2.1.0) static code analysis tool found the following NULL pointer derefernce problem. - drivers/gpu/drm/drm_dp_mst_topology.c The call to drm_dp_calculate_rad() in function drm_dp_port_setup_pdt() could result in a NULL pointer being returned to port->mstb due to a failure to allocate memory for port->mstb. Signed-off-by:
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Chris Wilson authored
drivers/dma-buf/sw_sync.c:248: warning: No description found for parameter 'obj' drivers/dma-buf/sw_sync.c:248: warning: No description found for parameter 'value' drivers/dma-buf/sw_sync.c:248: warning: Excess function parameter 'parent' description in 'sync_pt_create' drivers/dma-buf/sw_sync.c:248: warning: Excess function parameter 'inc' description in 'sync_pt_create' Signed-off-by:
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Chris Wilson authored
drivers/gpu/drm/drm_lease.c:56: warning: No description found for parameter 'lessee_id' drivers/gpu/drm/drm_lease.c:56: warning: Excess function parameter 'id' description in '_drm_find_lessee' drivers/gpu/drm/drm_lease.c:114: warning: No description found for parameter 'file_priv' drivers/gpu/drm/drm_lease.c:114: warning: Excess function parameter 'master' description in '_drm_lease_held' drivers/gpu/drm/drm_lease.c:134: warning: No description found for parameter 'file_priv' drivers/gpu/drm/drm_lease.c:134: warning: Excess function parameter 'master' description in 'drm_lease_held' drivers/gpu/drm/drm_lease.c:158: warning: No description found for parameter 'crtcs_in' drivers/gpu/drm/drm_lease.c:158: warning: Excess function parameter 'crtcs' description in 'drm_lease_filter_crtcs' drivers/gpu/drm/drm_lease.c:311: warning: No description found for parameter 'top' drivers/gpu/drm/drm_lease.c:311: warning: Excess function parameter 'master' description in '_drm_lease_revoke' drivers/gpu/drm/drm_lease.c:494: warning: No description found for parameter 'lessor_priv' drivers/gpu/drm/drm_lease.c:494: warning: Excess function parameter 'file_priv' description in 'drm_mode_create_lease_ioctl' drivers/gpu/drm/drm_lease.c:672: warning: No description found for parameter 'lessee_priv' drivers/gpu/drm/drm_lease.c:672: warning: Excess function parameter 'file_priv' description in 'drm_mode_get_lease_ioctl' drivers/gpu/drm/drm_lease.c:733: warning: No description found for parameter 'lessor_priv' drivers/gpu/drm/drm_lease.c:733: warning: Excess function parameter 'file_priv' description in 'drm_mode_revoke_lease_ioctl' Signed-off-by:
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Colin Ian King authored
The structure bochs_bo_driver is local to the source and does not need to be in global scope, so make it static. Cleans up sparse warning: drivers/gpu/drm/bochs/bochs_mm.c:197:22: warning: symbol 'bochs_bo_driver' was not declared. Should it be static? Signed-off-by:
Colin Ian King <colin.king@canonical.com> Signed-off-by:
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- 18 Feb, 2018 5 commits
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Ørjan Eide authored
When mapping external DMA-bufs through the PRIME mmap call, we might be given an offset which has to be respected. However for the internal DRM GEM mmap path, we have to ignore the fake mmap offset used to identify the buffer only. Currently the code always zeroes out vma->vm_pgoff, which breaks the former. This patch fixes the problem by moving the vm_pgoff assignment to a function that is used only for GEM mmap path, so that the PRIME path retains the original offset. Cc: Daniel Kurtz <djkurtz@chromium.org> Signed-off-by:
Ørjan Eide <orjan.eide@arm.com> Signed-off-by:
Tomasz Figa <tfiga@chromium.org> Signed-off-by:
Thierry Escande <thierry.escande@collabora.com> Tested-by:
Heiko Stuebner <heiko@sntech.de> Signed-off-by:
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Haixia Shi authored
The prime fd to handle ioctl was not used with rockchip before. Support was added in order to pass graphics_Gbm and to support potential uses within Chrome OS (e.g. zero-copy video decode, camera). Signed-off-by:
Haixia Shi <hshi@chromium.org> Signed-off-by:
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Tomasz Figa authored
This patch removes unused fields from vop structure. Signed-off-by:
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Fabio Estevam authored
devm_ioremap_resource() already checks if the resource is NULL, so remove the unnecessary platform_get_resource() error check. Cc: Heiko Stübner <heiko@sntech.de> Signed-off-by:
Fabio Estevam <fabio.estevam@nxp.com> Signed-off-by:
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Fabio Estevam authored
devm_ioremap_resource() already checks if the resource is NULL, so remove the unnecessary platform_get_resource() error check. Cc: Heiko Stübner <heiko@sntech.de> Signed-off-by:
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- 16 Feb, 2018 11 commits
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Sean Paul authored
Backmerge 4.15 and hdcp topic branch Signed-off-by: -
Giulio Benetti authored
Differently from other Lcd signals, HSYNC and VSYNC signals result inverted if their bits are cleared to 0. Invert their settings of IO_POL register. Signed-off-by:
Giulio Benetti <giulio.benetti@micronovasrl.com> Signed-off-by:
Maxime Ripard <maxime.ripard@bootlin.com> Link: https://patchwork.freedesktop.org/patch/msgid/1518717288-123578-1-git-send-email-giulio.benetti@micronovasrl.com
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Maxime Ripard authored
Commit eea034af ("drm/bridge/synopsys: dw-hdmi: don't clobber drvdata") broke the build with one build error and one warning. Fix both. Cc: Archit Taneja <architt@codeaurora.org> Cc: Jernej Skrabec <jernej.skrabec@siol.net> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Fixes: eea034af ("drm/bridge/synopsys: dw-hdmi: don't clobber drvdata") Reported-by:
kbuild test robot <fengguang.wu@intel.com> Reviewed-by:
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Jernej Skrabec authored
A83T has DW HDMI IP block with a custom PHY similar to Synopsys gen2 HDMI PHY. Only video output was tested, while HW also supports audio and CEC. Support for them will be added later. Signed-off-by:
Jernej Skrabec <jernej.skrabec@siol.net> Signed-off-by:
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Jernej Skrabec authored
It supports 1 VI and 1 UI plane and HW scaling on both planes. Acked-by:
Maxime Ripard <maxime.ripard@free-electrons.com> Signed-off-by:
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Jernej Skrabec authored
This TCON is connected to HDMI encoder. Acked-by:
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Jernej Skrabec authored
Some TCONs on newer SoCs doesn't support channel 0, since they are meant to be used only with TV or HDMI encoder. Prepare support for them with adding has_channel_0 quirk. Acked-by:
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Jernej Skrabec authored
This commit adds all necessary compatibles and descriptions needed to implement A83T HDMI pipeline. Mixer is already properly described, so only compatible is added. However, A83T TV TCON, which is connected to HDMI, doesn't have channel 0, contrary to all TCONs currently described. Because of that, TCON documentation is extended. A83T features Synopsys DW HDMI controller with a custom PHY which looks like Synopsys Gen2 PHY with few additions. Since there is no documentation, needed properties were found out through experimentation and reading BSP code. At the end, example is added for newer SoCs, which feature DE2 and DW HDMI. Signed-off-by:
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Jernej Skrabec authored
dw_hdmi shouldn't set drvdata since some drivers might need to store it's own data there. Rework dw_hdmi in a way to return struct dw_hdmi instead to store it in drvdata. This way drivers are responsible to store and pass structure when needed. Idea was taken from the following commit: 8242ecbd ("drm/bridge/synopsys: stop clobbering drvdata") Cc: p.zabel@pengutronix.de Cc: Laurent.pinchart@ideasonboard.com Cc: hjc@rock-chips.com Acked-by:
Neil Armstrong <narmstrong@baylibre.com> Reviewed-by:
Archit Taneja <architt@codeaurora.org> Tested-by:
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Jernej Skrabec authored
Parts of PHY code could be useful also for custom PHYs. For example, Allwinner A83T has custom PHY which is probably Synopsys gen2 PHY with few additional memory mapped registers, so most of the Synopsys PHY related code could be reused. Functions exported here are actually not specific to Synopsys PHYs but to DWC HDMI controller PHY interface. This means that even if the PHY is completely custom, i.e. not designed by Synopsys, exported functions can be useful. Reviewed-by:
Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by:
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Jernej Skrabec authored
Allwinner SoCs have dw hdmi controller v1.32a which exhibits same magenta line issue as i.MX6Q and i.MX6DL. Enable workaround for it. Tests show that one iteration is enough. Acked-by:
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- 15 Feb, 2018 4 commits
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git://anongit.freedesktop.org/drm/drm-miscDave Airlie authored
Add HDCP support to i915 drm driver. * tag 'topic/hdcp-2018-02-13' of git://anongit.freedesktop.org/drm/drm-misc: (26 commits) drm/i915: fix misalignment in HDCP register def drm/i915: Reauthenticate HDCP on failure drm/i915: Detect panel's hdcp capability drm/i915: Optimize HDCP key load drm/i915: Retry HDCP bksv read drm/i915: Connector info in HDCP debug msgs drm/i915: Stop encryption for repeater with no sink drm/i915: Handle failure from 2nd stage HDCP auth drm/i915: Downgrade hdcp logs from INFO to DEBUG_KMS drm/i915: Restore HDCP DRM_INFO when with no downstream drm/i915: Check for downstream topology errors drm/i915: Start repeater auth on READY/CP_IRQ drm/i915: II stage HDCP auth for repeater only drm/i915: Extending HDCP for HSW, BDW and BXT+ drm/i915/dp: Fix compilation of intel_dp_hdcp_check_link drm/i915: Only disable HDCP when it's active drm/i915: Don't allow HDCP on PORT E/F drm/i915: Implement HDCP for DisplayPort drm/i915: Implement HDCP for HDMI drm/i915: Add function to output Aksv over GMBUS ...
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git://anongit.freedesktop.org/drm/drm-miscDave Airlie authored
drm-misc-next for 4.17: UAPI Changes: - drm/vc4: Expose performance counters to userspace (Boris) Cross-subsystem Changes: - MAINTAINERS: Linus to maintain panel-arm-versatile in -misc (Linus) Core Changes: - Only use swiotlb when necessary (Chunming) Driver Changes: - drm/panel: Add support for ARM Versatile panels (Linus) - pl111: Improvements around versatile panel support (Linus) ---------------------------------------- Tagged on 2018-02-06: drm-misc-next for 4.17: UAPI Changes: - Validate mode flags + type (Ville) - Deprecate unused mode flags PIXMUX, BCAST (Ville) - Deprecate unused mode types BUILTIN, CRTC_C, CLOCK_C, DEFAULT (Ville) Cross-subsystem Changes: - MAINTAINERS: s/Daniel/Maarten/ for drm-misc (Daniel) Core Changes: - gem: Export gem functions for drivers to use (Samuel) - bridge: Introduce bridge timings in drm_bridge (Linus) - dma-buf: Allow exclusive fence to be bundled in fence array when calling reservation_object_get_fences_rcu (Christian) - dp: Add training pattern 4 and HBR3 support to dp helpers (Manasi) - fourcc: Add alpha bit to formats to avoid driver format LUTs (Maxime) - mode: Various cleanups + add new device-wide .mode_valid hook (Ville) - atomic: Fix state leak when non-blocking commits fail (Leo) NOTE: IIRC, this was cross-picked to -fixes so it might fall out - crc: Allow polling on the data fd (Maarten) Driver Changes: - bridge/vga-dac: Add THS8134* support (Linus) - tinydrm: Various MIPI DBI improvements/cleanups (Noralf) - bridge/dw-mipi-dsi: Cleanups + use create_packet helper (Brian) - drm/sun4i: Add Display Engine frontend support (Maxime) - drm/sun4i: Add zpos support + increase num planes from 2 to 4 (Maxime) - various: Use drm_mode_get_hv_timing() to fill plane clip rectangle (Ville) - stm: Add 8-bit clut support, add dsi phy v1.31 support, +fixes (Phillipe) Cc: Boris Brezillon <boris.brezillon@free-electrons.com> Cc: Chunming Zhou <david1.zhou@amd.com> Cc: Samuel Li <Samuel.Li@amd.com> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Noralf Trønnes <noralf@tronnes.org> Cc: Brian Norris <briannorris@chromium.org> Cc: Maxime Ripard <maxime.ripard@free-electrons.com> Cc: Ville Syrjala <ville.syrjala@linux.intel.com> Cc: Christian König <christian.koenig@amd.com> Cc: Manasi Navare <manasi.d.navare@intel.com> Cc: Philippe Cornu <philippe.cornu@st.com> Cc: Leo (Sunpeng) Li <sunpeng.li@amd.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> * tag 'drm-misc-next-2018-02-13' of git://anongit.freedesktop.org/drm/drm-misc: (115 commits) drm/radeon: only enable swiotlb path when need v2 drm/amdgpu: only enable swiotlb alloc when need v2 drm: add func to get max iomem address v2 drm/vc4: Expose performance counters to userspace drm: Print the pid when debug logging an ioctl error. drm/stm: ltdc: remove non-alpha color formats on layer 2 for older hw drm/stm: ltdc: add non-alpha color formats drm/bridge/synopsys: dsi: Add 1.31 version support drm/bridge/synopsys: dsi: Add read feature drm/pl111: Support multiple endpoints on the CLCD drm/pl111: Support variants with broken VBLANK drm/pl111: Support variants with broken clock divider drm/pl111: Handle the Versatile RGB/BGR565 mode drm/pl111: Properly detect the ARM PL110 variants drm/panel: Add support for ARM Versatile panels drm/panel: Device tree bindings for ARM Versatile panels drm/bridge: Rename argument from crtc to bridge drm/crc: Add support for polling on the data fd. drm/sun4i: Use drm_mode_get_hv_timing() to populate plane clip rectangle drm/rcar-du: Use drm_mode_get_hv_timing() to populate plane clip rectangle ...
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git://anongit.freedesktop.org/drm/drm-intelDave Airlie authored
UAPI Changes: - Userspace whitelist register GEN9_SLICE_COMMON_ECO_CHICKEN1 for GLK (Kenneth) - Non-existent PMU counters are not placed to sysfs (Tvrtko) - Add a note to deprecate I915_SET_COLORKEY_NONE and ignore it (Ville) * Intel DDX never ended using it, and implementation was wonky Core Changes: - Moved away from struct timeval into ktime_t in prep for 2038 (Arnd) * Merged the i915 portion through drm-tip, no core dependencies Driver Changes: - Base support for Icelake and Icelake PCH (Anusha, Rodrigo, Mahesh, Paulo, James, Kelvin) - Add AUX-F port support for Cannonlake (Rodrigo) - New DMC firmware for 1.07 Cannonlake (Anusha) * Go to linux-firmware.git to get it - Reject non-cursor planes nearly (3 px) out of screen on GLK/CNL (Imre) - Y/Yf modifiers restored for SKL+ sprites (Ville) - Compressed framebuffer support for sprites (Ville) - Tune down overly aggressive shrinking (Chris) - Shrink kmem caches when GPU is idle (Chris) - EDID bit-banging fallback for HDMI EDID (Stefan) - Don't boost the GPU when the waited request is already running (Chris) - Avoid GLK/BXT CDCLK frequency locking timeouts (Imre) - Limit DP link rate according to VBT on CNL+ (Jani) - Skip post-reset request emission if the engine is not idle (Chris) - Report any link training error on a fixed eDP panel as errors (Manasi) - DSI panel fixes for Bay Trail (Hans) - Selftest additions and improvements (Chris, Matt) - DMA fence test additions and accompanying fixes (Chris) - Power domain vs. register access fix (Maarten) - Squelch warnings for people with teensy framebuffers (stride < 512) (Maarten) - Increase Render/Media power gating hysteresis for Gen9+ (Chris) - HDMI vswing display workaround for Gen9+ (Ville) - GuC code cleanup and lockdep fixes (Sagar, Michal Wa.) - Continuously run hangcheck for simplicity (Chris) - Execlist debugging improvements (Chris) - GuC debugging improvements (Sujaritha, Michal Wa., Sagar) - Command parser boundary checks (Michal Srb) - Add a workaround for 3DSTATE_SAMPLE_PATTERN on CNL (Rafael) - Fix PMU enabling race condition (Tvrtko) - Usual smaller testing and debugging improvements * tag 'drm-intel-next-2018-02-07' of git://anongit.freedesktop.org/drm/drm-intel: (158 commits) drm/i915: Update DRIVER_DATE to 20180207 drm/i915/pmu: Fix PMU enable vs execlists tasklet race drm/i915/cnl: WaPipeControlBefore3DStateSamplePattern drm/i915/cmdparser: Do not check past the cmd length. drm/i915/cmdparser: Check reg_table_count before derefencing. drm/i915: Deprecate I915_SET_COLORKEY_NONE drm/i915: Skip post-reset request emission if the engine is not idle drm/i915/execlists: Move the reset bits to a more natural home drm/i915/selftests: Use a sacrificial context for hang testing drm/i915/selftests: Flush old resets between engines drm/i915/breadcrumbs: Drop request reference for the signaler thread drm/i915: Remove unbannable context spam from reset drm/i915/execlists: Remove the startup spam drm/i915: Show the GPU state when declaring wedged drm/i915: Always update the no_fbc_reason when disabling drm/i915: Add some newlines to intel_engine_dump() headers drm/i915: Report if an unbannable context is involved in a GPU hang drm/i915: Remove spurious DRM_ERROR for cancelled interrupts drm/i915/execlists: Flush GTIIR on clearing CS interrupts during reset drm/i915: reduce indent in pch detection ...
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Anusha Srivatsa authored
Forward Error Correction is supported on DP 1.4. This patch adds corresponding DPCD register definitions. v2: Add dri-devel mailing list to the CC list(Jani) v3: Change names, add missing masks (Manasi) v4: Add missing shifts to mask (Manasi) v5: Arrange the definitions in ascending order of the address (Jani) v6: remove unnecessary definitions. Add missing masks, add "/* 1.4 */" to offset definitions. (Jani) Cc: dri-devel@lists.freedesktop.org Cc: Ville Syrjala <ville.syrjala@linux.intel.com> Cc: Jani Nikula <jani.nikula@linux.intel.com> Cc: Manasi Navare <manasi.d.navare@intel.com> Signed-off-by:
Anusha Srivatsa <anusha.srivatsa@intel.com> Signed-off-by:
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- 14 Feb, 2018 1 commit
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Chris Zhong authored
This patch adds a binding that describes the cdn DP controller for rk3399. Signed-off-by:
Chris Zhong <zyw@rock-chips.com> Acked-by:
Rob Herring <robh@kernel.org> Signed-off-by:
Enric Balletbo i Serra <enric.balletbo@collabora.com> [document the missing 3 reset-names] Signed-off-by:
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- 13 Feb, 2018 2 commits
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Chunming Zhou authored
swiotlb expands our card accessing range, but its path always is slower than ttm pool allocation. So add condition to use it. v2: move a bit later Signed-off-by:
Chunming Zhou <david1.zhou@amd.com> Reviewed-by:
Monk Liu <monk.liu@amd.com> Reviewed-by:
Christian König <christian.koenig@amd.com> Signed-off-by:
Alex Deucher <alexander.deucher@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180209024410.1469-3-david1.zhou@amd.com
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Chunming Zhou authored
get the max io mapping address of system memory to see if it is over our card accessing range. v2: move checking later Signed-off-by:
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