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2016-11-30drm/tilcdc: Add tilcdc_write_mask() to tilcdc_regs.hJyri Sarha1-0/+13
Add tilcdc_write_mask() for handling register field wider than one bit and mask values for those fields. Signed-off-by: Jyri Sarha <jsarha@ti.com> Tested-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
2016-11-30drm/tilcdc: Fix tilcdc_crtc_create() return value handlingJyri Sarha3-13/+12
Failed tilcdc_crtc_create() error handling was broken, this patch should fix it. Signed-off-by: Jyri Sarha <jsarha@ti.com> Tested-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
2016-11-30drm/tilcdc: implement palette loading for rev1Bartosz Golaszewski1-1/+87
Revision 1 of the IP doesn't work if we don't load the palette (even if it's not used, which is the case for the RGB565 format). Add a function called from tilcdc_crtc_enable() which performs all required actions if we're dealing with a rev1 chip. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by: Jyri Sarha <jsarha@ti.com> Tested-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
2016-11-30drm/tilcdc: Enable sync lost error and recovery handling for rev 1 LCDCJyri Sarha2-15/+21
Revision 1 LCDC support also sync lost errors and can benefit from sync lost recovery routine. Signed-off-by: Jyri Sarha <jsarha@ti.com> Tested-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
2016-11-30drm/tilcdc: Add drm bridge support for attaching drm bridge driversJyri Sarha4-74/+207
Adds drm bride support for attaching drm bridge drivers to tilcdc. The decision whether a video port leads to an external encoder or bridge is made simply based on remote device's compatible string. The code has been tested with BeagleBone-Black with and without BeagleBone DVI-D Cape Rev A3 using ti-tfp410 driver. Signed-off-by: Jyri Sarha <jsarha@ti.com> Tested-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
2016-11-30drm/bridge: Add ti-tfp410 DVI transmitter driverJyri Sarha4-2/+332
Add very basic ti-tfp410 DVI transmitter driver. The only feature separating this from a completely dummy bridge is the EDID read support trough DDC I2C. Even that functionality should be in a separate generic connector driver. However, because of missing DRM infrastructure support the connector is implemented within the bridge driver. Some tfp410 HW specific features may be added later if needed, because there is a set of registers behind i2c if it is connected. This implementation is tested against my new tilcdc bridge support and it works with BeagleBone DVI-D Cape Rev A3. A DT binding document is also updated. Signed-off-by: Jyri Sarha <jsarha@ti.com> Acked-by: Rob Herring <robh@kernel.org>
2016-11-30dt-bindings: Move "ti,tfp410.txt" from display/ti to display/bridgeJyri Sarha1-0/+0
Move "ti,tfp410.txt" from display/ti to display/bridge before adding generic (non omapdrm/dss specific) implementation and new features. Signed-off-by: Jyri Sarha <jsarha@ti.com> Acked-by: Rob Herring <robh@kernel.org>
2016-11-30drm/tilcdc: Recover from sync lost error flood by resetting the LCDCJyri Sarha1-1/+25
Recover from sync lost error flood by resetting the LCDC instead of turning off the SYNC_LOST error IRQ. When LCDC starves on limited memory bandwidth it may sometimes result an error situation when the picture may have shifted couple of pixels to right and SYNC_LOST interrupt is generated on every frame. LCDC main reset recovers from this situation and causes a brief blanking on the screen. Signed-off-by: Jyri Sarha <jsarha@ti.com> Tested-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
2016-11-29drm/tilcdc: Fix race from forced shutdown of crtc in unloadJyri Sarha3-8/+26
Fix race from forced shutdown of crtc in unload by adding internal locking and a boolean telling if device is going to be shutdown. Signed-off-by: Jyri Sarha <jsarha@ti.com>
2016-11-29drm/tilcdc: Use unload to handle initialization failuresJyri Sarha3-71/+43
Use unload to handle initialization failures instead of complex goto label mess. To do this the initialization sequence needed slight reordering and some unload functions needed to become conditional. Signed-off-by: Jyri Sarha <jsarha@ti.com>
2016-11-29drm/tilcdc: Stop using struct drm_driver load() callbackJyri Sarha1-54/+70
Stop using struct drm_driver load() and unload() callbacks. The callbacks should not be used anymore. Instead of using load the drm_device is allocated with drm_dev_alloc() and registered with drm_dev_register() only after the driver is completely initialized. The deinitialization is done directly either in component unbind callback or in platform driver demove callback. Signed-off-by: Jyri Sarha <jsarha@ti.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2016-11-29drm/tilcdc: Remove obsolete drm_connector_register() callsJyri Sarha2-4/+0
Remove obsolete drm_connector_register() calls from tilcdc_panel.c and tilcdc_tfp410.c. All connectors are registered when drm_dev_register() is called. Signed-off-by: Jyri Sarha <jsarha@ti.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
2016-11-29drm/tilcdc: Correct misspelling in error messageDaniel Schultz1-1/+1
This error message will be printed when a FIFO underflow irq has triggered. Since this happens sometimes and the error message will be displayed on the console, it should have a correct spelling. Signed-off-by: Daniel Schultz <d.schultz@phytec.de> Signed-off-by: Jyri Sarha <jsarha@ti.com>
2016-11-29drm/tilcdc: Add revision handling for FB_CEILINGDaniel Schultz1-1/+5
The commit d8ff0c63fbcb ("drm/tilcdc: Adjust the FB_CEILING address") added an adjustment of the FB_CEILING address. This is done by decrementing the address by one. On the AM335x (rev 0x4F201000) the framebuffer is rotated left over the display border, because the ceiling address is 8f276fff instead of 8f277000. Since this adjustment isn't necessary for the LCDC v2, the origin ceiling address should be used. Signed-off-by: Daniel Schultz <d.schultz@phytec.de> Signed-off-by: Jyri Sarha <jsarha@ti.com>
2016-11-29drm/tilcdc: add a da850-specific compatible stringBartosz Golaszewski2-2/+5
Due to some potential tweaks for the da850 LCDC (for example: the required memory bandwith settings) we need a separate compatible for the IP present on the da850 boards. Suggested-by: Sekhar Nori <nsekhar@ti.com> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Jyri Sarha <jsarha@ti.com>
2016-11-29drm/tilcdc: add a workaround for failed clk_set_rate()Bartosz Golaszewski1-6/+51
Some architectures don't use the common clock framework and don't implement all the clk interfaces for every clock. This is the case for da850-lcdk where clk_set_rate() only works for PLL0 and PLL1. Trying to set the clock rate for the LCDC clock results in -EINVAL being returned. As a workaround for that: if the call to clk_set_rate() fails, fall back to adjusting the clock divider instead. Proper divider value is calculated by dividing the current clock rate by the required pixel clock rate in HZ. This code is based on a hack initially developed internally for baylibre by Karl Beldan <kbeldan@baylibre.com>. Tested with a da850-lcdk with an LCD display connected over VGA. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by: Jyri Sarha <jsarha@ti.com>
2016-11-18drm/i2c: tda998x: fix spelling mistakeColin Ian King1-1/+1
Trivial fix to spelling mistake "configutation" to "configuration" in dev_err message Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2016-11-18drm/i2c: tda998x: allow sharing of the CEC device accessesRussell King1-19/+34
cec_read() is non-atomic in the presence of other I2C bus transactions to the same device. This presents a problem when we add support for the TDA9950 CEC engine part - both drivers can be trying to access the device. Avoid the inherent problems by switching to i2c_transfer() instead, which allows us to perform more than one bus transaction atomically. As this means we will be using I2C transactions rather than SMBUS, we have to check that the host supports I2C functionality. Tested-by: Brian Starkey <brian.starkey@arm.com> Reviewed-by: Brian Starkey <brian.starkey@arm.com> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2016-11-18drm/i2c: tda998x: allow interrupt to be sharedRussell King1-25/+27
Some TDA998x contain several different I2C devices - there is the HDMI encoder, and there is a TDA9950 CEC engine. These two share the same interrupt signal. In order to allow a driver for the CEC engine to work, we need to be able to share the interrupt with the CEC driver, so convert the handler and registration to allow this to happen. Tested-by: Brian Starkey <brian.starkey@arm.com> Reviewed-by: Brian Starkey <brian.starkey@arm.com> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2016-11-18drm/i2c: tda998x: power down pre-filter and color conversionRussell King1-0/+4
Disabling the pre-filter block of the TDA998x saves 40mW and the colour conversion block saves 15mW. As we always disable these two blocks, we can power these sections of the chip down to save 55mW of unnecessary power consumption. Tested-by: Brian Starkey <brian.starkey@arm.com> Reviewed-by: Brian Starkey <brian.starkey@arm.com> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2016-11-18drm/i2c: tda998x: switch to boolean is_onRussell King1-13/+10
Rather than storing the DPMS mode (which will always be on or off) use a boolean to store this instead. Tested-by: Robin Murphy <robin.murphy@arm.com> Tested-by: Jon Medhurst <tixy@linaro.org> Acked-by: Jon Medhurst <tixy@linaro.org> Tested-by: Jyri Sarha <jsarha@ti.com> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2016-11-18drm/i2c: tda998x: remove complexity from tda998x_audio_get_eld()Russell King1-14/+8
tda998x_audio_get_eld() is needlessly complex - the connector associated with the encoder is always our own priv->connector. Remove this complexity, but ensure that there are no races when copying out the ELD. Tested-by: Jon Medhurst <tixy@linaro.org> Acked-by: Jon Medhurst <tixy@linaro.org> Tested-by: Jyri Sarha <jsarha@ti.com> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2016-11-18drm/i2c: tda998x: group audio functions togetherRussell King1-137/+139
Group the TDA998x audio functions together rather than split between two different locations in the file, keeping like code together. Tested-by: Jon Medhurst <tixy@linaro.org> Acked-by: Jon Medhurst <tixy@linaro.org> Tested-by: Jyri Sarha <jsarha@ti.com> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2016-11-18drm/i2c: tda998x: separate connector initialisationRussell King1-20/+26
Separate out the connector initialisation from the rest of the drivers initialisation. Tested-by: Robin Murphy <robin.murphy@arm.com> Tested-by: Jon Medhurst <tixy@linaro.org> Acked-by: Jon Medhurst <tixy@linaro.org> Tested-by: Jyri Sarha <jsarha@ti.com> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2016-11-18drm/i2c: tda998x: group connector functions and funcs togetherRussell King1-174/+176
Group the TDA998x connector functions and funcs structures together before the encoder support, rather than scattered amongst the rest of the file. This keeps like code together. Tested-by: Robin Murphy <robin.murphy@arm.com> Tested-by: Jon Medhurst <tixy@linaro.org> Acked-by: Jon Medhurst <tixy@linaro.org> Tested-by: Jyri Sarha <jsarha@ti.com> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2016-11-18drm/i2c: tda998x: move and rename tda998x_encoder_set_config()Russell King1-20/+20
The naming of tda998x_encoder_set_config() is a left-over from when TDA998x was a slave encoder. Since this is part of the initialisation, drop the _encoder from the name, and move it near tda998x_bind(). Tested-by: Robin Murphy <robin.murphy@arm.com> Tested-by: Jon Medhurst <tixy@linaro.org> Acked-by: Jon Medhurst <tixy@linaro.org> Tested-by: Jyri Sarha <jsarha@ti.com> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2016-11-18drm/i2c: tda998x: correct function name in commentsRussell King1-2/+2
Correct two references to tda998x_connector_get_modes() which were incorrectly referring to tda998x_encoder_get_modes(). Tested-by: Robin Murphy <robin.murphy@arm.com> Tested-by: Jon Medhurst <tixy@linaro.org> Acked-by: Jon Medhurst <tixy@linaro.org> Tested-by: Jyri Sarha <jsarha@ti.com> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2016-11-18drm/i2c: tda998x: only enable audio if supported by sinkRussell King1-3/+24
Check for audio support by the attached sink by consulting the EDID prior to enabling audio over the TMDS link. We must consult the EDID after calling drm_helper_probe_single_connector_modes(), as this can use an override EDID, or load a replacement EDID. Tested-by: Jon Medhurst <tixy@linaro.org> Acked-by: Jon Medhurst <tixy@linaro.org> Tested-by: Jyri Sarha <jsarha@ti.com> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2016-11-18drm/i2c: tda998x: only configure infoframes and audio if supportedRussell King1-5/+19
The CEA 861B specification indicates the situations when we are able to send each infoframe based on the version of the EDID's CEA extension. Update the tda998x driver to follow the CEA specification wrt sending of infoframes. Since we only support the generation of AVI version 2, this limits us to CEA extension version 3, so we treat CEA extension version 2 as CEA 861 (no infoframes, no audio.) Tested-by: Robin Murphy <robin.murphy@arm.com> Tested-by: Jon Medhurst <tixy@linaro.org> Acked-by: Jon Medhurst <tixy@linaro.org> Tested-by: Jyri Sarha <jsarha@ti.com> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2016-11-18drm/i2c: tda998x: avoid race when programming audioRussell King1-2/+2
Avoid a race between programming audio and an in-progress mode set. A mode set is complex, and disables the ability to send infoframes to the sink, and is disruptive to audio - we have to mute the audio FIFO while doing a mode set. If an attempt is made to start up the audio side, we will undo the audio FIFO mute before the mode set has completed. Move the lock so that we prevent audio interfering with an in-progress mode set. Tested-by: Jon Medhurst <tixy@linaro.org> Acked-by: Jon Medhurst <tixy@linaro.org> Tested-by: Jyri Sarha <jsarha@ti.com> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2016-11-18drm/i2c: tda998x: avoid racy access to mode clockRussell King1-14/+11
Avoid a racy access to the mode clock by storing the current mode clock during a mode set under the audio mutex. This allows us to access it from the audio path in a safe way. Tested-by: Jon Medhurst <tixy@linaro.org> Acked-by: Jon Medhurst <tixy@linaro.org> Tested-by: Jyri Sarha <jsarha@ti.com> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2016-11-18drm/i2c: tda998x: avoid race in tda998x_encoder_mode_set()Russell King1-4/+3
As priv->audio_params can now be changed at run time, we need to be more careful about how we deal with a mode set. We must take the audio lock while checking if there's a valid audio configuration. However, it's slightly worse than that - during mode set, we mute the audio, and it must not be unmuted until we have finished the mode set. It is possible that the audio side may start while a mode set is in progress, so take the audio_mutex lock around the whole mode setting procedure. Tested-by: Jon Medhurst <tixy@linaro.org> Acked-by: Jon Medhurst <tixy@linaro.org> Tested-by: Jyri Sarha <jsarha@ti.com> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2016-11-17drm/i2c: tda998x: move audio mutex initialisationRussell King1-2/+2
We will need the audio mutex initialised in all cases, so lets move this to be early, rather than only being initialised for the DT case. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2016-11-17MAINTAINERS: Update HISILICON DRM entriesRongrong Zou1-0/+1
Signed-off-by: Rongrong Zou <zourongrong@gmail.com> Reviewed-by: Sean Paul <seanpaul@chromium.org> Reviewed-by: Xinliang Liu <xinliang.liu@linaro.org> Acked-by: Sean Paul <seanpaul@chromium.org>
2016-11-17drm/hisilicon/hibmc: Add support for vblank interruptRongrong Zou2-1/+56
Add vblank interrupt. Signed-off-by: Rongrong Zou <zourongrong@gmail.com> Reviewed-by: Sean Paul <seanpaul@chromium.org> Reviewed-by: Xinliang Liu <xinliang.liu@linaro.org> Acked-by: Sean Paul <seanpaul@chromium.org>
2016-11-17drm/hisilicon/hibmc: Add support for VDACRongrong Zou4-1/+155
VDAC(Video Digital-to-Analog converter) converts the RGB diaital data stream from DE to VGA analog signals. Signed-off-by: Rongrong Zou <zourongrong@gmail.com> Reviewed-by: Sean Paul <seanpaul@chromium.org> Reviewed-by: Xinliang Liu <xinliang.liu@linaro.org> Acked-by: Sean Paul <seanpaul@chromium.org>
2016-11-17drm/hisilicon/hibmc: Add support for display engineRongrong Zou5-2/+558
Add display engine function, crtc/plane is initialized here. Signed-off-by: Rongrong Zou <zourongrong@gmail.com> Reviewed-by: Sean Paul <seanpaul@chromium.org> Reviewed-by: Xinliang Liu <xinliang.liu@linaro.org> Acked-by: Sean Paul <seanpaul@chromium.org>
2016-11-17drm/hisilicon/hibmc: Add support for frame bufferRongrong Zou5-1/+366
Add support for fbdev and kms fb management. Signed-off-by: Rongrong Zou <zourongrong@gmail.com> Reviewed-by: Sean Paul <seanpaul@chromium.org> Reviewed-by: Xinliang Liu <xinliang.liu@linaro.org> Acked-by: Sean Paul <seanpaul@chromium.org>
2016-11-17drm/hisilicon/hibmc: Add video memory managementRongrong Zou4-1/+541
Hibmc have 32m video memory which can be accessed through PCIe by host, we use ttm to manage these memory. Signed-off-by: Rongrong Zou <zourongrong@gmail.com> Reviewed-by: Sean Paul <seanpaul@chromium.org> Reviewed-by: Xinliang Liu <xinliang.liu@linaro.org> Acked-by: Sean Paul <seanpaul@chromium.org>
2016-11-17drm/hisilicon/hibmc: Add hisilicon hibmc drm master driverRongrong Zou7-0/+560
Add DRM master driver for Hisilicon Hibmc SoC which used for Out-of-band management. Blow is the general hardware connection, both the Hibmc and the host CPU are on the same mother board. +----------+ +----------+ | | PCIe | Hibmc | |host CPU( |<----->| display | |arm64,x86)| |subsystem | +----------+ +----------+ Signed-off-by: Rongrong Zou <zourongrong@gmail.com> Reviewed-by: Sean Paul <seanpaul@chromium.org> Reviewed-by: Xinliang Liu <xinliang.liu@linaro.org> Acked-by: Sean Paul <seanpaul@chromium.org>
2016-11-17drm/armada: fix NULL pointer comparison warningRavikant B Sharma1-1/+1
Replace direct comparisons to NULL i.e. 'x == NULL' with '!x'. As per coding standard. Signed-off-by: Ravikant B Sharma <ravikant.s2@samsung.com> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2016-11-17drm/armada: use DRM_FB_HELPER_DEFAULT_OPS for fb_opsStefan Christ1-7/+1
Signed-off-by: Stefan Christ <contact@stefanchrist.eu> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2016-11-17drm/armada: remove some dead codeChristophe JAILLET1-5/+1
'dma_buf_map_attachment()' can not return NULL, so there is no need to check for it. Also add a space in order to improve layout. Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2016-11-17drm/armada: mark symbols static where possibleBaoyou Xie1-2/+2
We get 2 warnings when building kernel with W=1: drivers/gpu/drm/armada/armada_gem.c:215:27: warning: no previous prototype for 'armada_gem_alloc_object' [-Wmissing-prototypes] drivers/gpu/drm/armada/armada_gem.c:423:1: warning: no previous prototype for 'armada_gem_prime_map_dma_buf' [-Wmissing-prototypes] In fact, both functions are only used in the file in which they are declared and don't need a declaration, but can be made static. So this patch marks these functions with 'static'. Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org> Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2016-11-17drm/armada: de-midlayer armadaRussell King2-108/+129
Now that the drm_connector_register() is gone from tda998x, we can remove the mid-layer from armada-drm, eliminating the load, unload, debugfs_init, and debugfs_cleanup callbacks from armada's drm_driver structure. No functional changes. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2016-11-17drm/nouveau/disp/gp102: rename from gp104Ben Skeggs14-46/+46
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-11-17drm/nouveau/ce/gp102: rename from gp104Ben Skeggs4-13/+13
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-11-17drm/nouveau/fb/gp102: rename from gp104Ben Skeggs4-7/+7
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-11-17drm/nouveau/disp/gp102: fix cursor/overlay immediate channel indicesBen Skeggs5-2/+80
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2016-11-17drm/nouveau/disp/nv50-: specify ctrl/user separately when constructing classesBen Skeggs14-28/+32
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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