kernel/drivers/gpu/ipu-v3/ipu-prg.c, branch linux-6.2.y

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 288

2019-06-05T15:36:37Z

Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms and conditions of the gnu general public license version 2 as published by the free software foundation this program is distributed in the hope it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 263 file(s). Signed-off-by: Thomas Gleixner Reviewed-by: Allison Randal Reviewed-by: Alexios Zavras Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190529141901.208660670@linutronix.de Signed-off-by: Greg Kroah-Hartman

gpu: ipu-v3: prg: add function to get channel configure status

2019-02-22T10:58:45Z

This allows channels using the PRG to check if a requested configuration update has been applied or is still pending. Signed-off-by: Lucas Stach [p.zabel@pengutronix.de: inverted logic: done -> pending] Signed-off-by: Philipp Zabel

driver core: Rename flag AUTOREMOVE to AUTOREMOVE_CONSUMER

2018-07-09T10:14:31Z

Now that we want to add another flag to autoremove the device link on supplier unbind, it's fair to rename the existing flag from DL_FLAG_AUTOREMOVE to DL_FLAG_AUTOREMOVE_CONSUMER so that we can add similar flag for supplier later. And, while we are touching device.h, fix a doc build warning. Signed-off-by: Vivek Gautam Reviewed-by: Ulf Hansson Signed-off-by: Rafael J. Wysocki

gpu: ipu-v3: prg: avoid possible array underflow

2018-03-15T16:52:08Z

gcc-8 reports that we access an array with a negative index in an error case: drivers/gpu/ipu-v3/ipu-prg.c: In function 'ipu_prg_channel_disable': drivers/gpu/ipu-v3/ipu-prg.c:252:43: error: array subscript -22 is below array bounds of 'struct ipu_prg_channel[3]' [-Werror=array-bounds] This moves the range check in front of the first time that variable gets used. Signed-off-by: Arnd Bergmann Signed-off-by: Philipp Zabel

gpu: ipu-v3: prg: fix device node leak in ipu_prg_lookup_by_phandle

2018-02-19T14:12:59Z

Before returning, call of_node_put() for the device node returned by of_parse_phandle(). Fixes: ea9c260514c1 ("gpu: ipu-v3: add driver for Prefetch Resolve Gasket") Signed-off-by: Tobias Jordan Signed-off-by: Philipp Zabel

gpu: ipu-v3: prg: add modifier support

2017-12-19T11:49:11Z

Allow to pass through the modifier to the PRE unit and extend the format check with the supported modifiers. Signed-off-by: Lucas Stach Signed-off-by: Philipp Zabel

gpu: ipu-v3: pre: add tiled prefetch support

2017-12-19T11:49:11Z

This configures the TPR unit, using the DRM format modifier. For now only the single buffer modifiers are supported, as split buffer needs more configuration for the required cropping. Signed-off-by: Lucas Stach [p.zabel@pengutronix.de: rebased after ERR009624 workaround] Signed-off-by: Philipp Zabel

gpu: ipu-v3: prg: switch to runtime PM

2017-12-19T11:49:11Z

Instead of open-coding the clk enable/disable in all of the callers move this to the RPM suspend/resume functions. Signed-off-by: Lucas Stach Signed-off-by: Philipp Zabel

gpu: ipu-v3: prg: wait for double buffers to be filled on channel startup

2017-10-11T10:04:23Z

Wait for both double buffer to be filled when first starting a channel. This makes channel startup a lot more reliable, probably because it allows the internal state machine to settle before the requests from the IPU are coming in. Signed-off-by: Lucas Stach [p.zabel@pengutronix.de: rebased before switch to runtime PM] Signed-off-by: Philipp Zabel

gpu: ipu-v3: prg: remove counter load enable

2017-06-08T06:57:13Z

The counter load enable bit has no effect when the shadow register set is activated. As we always operate the PRG with shadow enabled it is safe to remove this. Signed-off-by: Lucas Stach Signed-off-by: Philipp Zabel