kernel/git/next/linux-next.git/drivers/gpu/ipu-v3/ipu-prv.h, branch master

gpu: ipu-v3: Remove unused ipu_idmac_channel_busy

2025-03-01T09:29:03+00:00

The last use of ipu_idmac_channel_busy() was removed in 2017 by commit eb8c88808c83 ("drm/imx: add deferred plane disabling") Remove it. Signed-off-by: Dr. David Alan Gilbert Reviewed-by: Dmitry Baryshkov Link: https://patchwork.freedesktop.org/patch/msgid/20241226022752.219399-4-linux@treblig.org Signed-off-by: Dmitry Baryshkov

gpu: ipu-v3: pre: add dynamic buffer layout reconfiguration

2024-06-26T15:43:54+00:00

imx-drm doesn't mandate a modeset when the framebuffer modifier changes, but currently the tile prefetch and resolve (TPR) configuration of the PRE is only set up on the initial modeset. As the TPR configuration is double buffered, same as all the other PRE states, we can support dynamic reconfiguration of the buffer layout from one frame to another. As switching between (super-)tiled and linear prefetch needs to touch the CTRL register make sure to do the reconfiguration inside the safe window. Signed-off-by: Lucas Stach Reviewed-by: Philipp Zabel Link: https://lore.kernel.org/r/20240517104549.3648939-2-l.stach@pengutronix.de Signed-off-by: Philipp Zabel Link: https://patchwork.freedesktop.org/patch/msgid/20240517104549.3648939-2-l.stach@pengutronix.de

ipu-v3: Include

2023-05-18T09:06:18+00:00

The code uses readl() and writel(). Include the header file to get the declarations. Signed-off-by: Thomas Zimmermann Reviewed-by: Arnd Bergmann Reviewed-by: Sam Ravnborg Reviewed-by: Sui Jingfeng Link: https://patchwork.freedesktop.org/patch/msgid/20230512102444.5438-4-tzimmermann@suse.de

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157

2019-05-30T18:26:37+00:00

Based on 3 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version this program is distributed in the hope that 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 this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version [author] [kishon] [vijay] [abraham] [i] [kishon]@[ti] [com] this program is distributed in the hope that 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 this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version [author] [graeme] [gregory] [gg]@[slimlogic] [co] [uk] [author] [kishon] [vijay] [abraham] [i] [kishon]@[ti] [com] [based] [on] [twl6030]_[usb] [c] [author] [hema] [hk] [hemahk]@[ti] [com] this program is distributed in the hope that 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-or-later has been chosen to replace the boilerplate/reference in 1105 file(s). Signed-off-by: Thomas Gleixner Reviewed-by: Allison Randal Reviewed-by: Richard Fontana Reviewed-by: Kate Stewart Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070033.202006027@linutronix.de Signed-off-by: Greg Kroah-Hartman

gpu: ipu-v3: pre: add double buffer status readback

2019-02-22T10:58:45+00:00

This allows the upper layers to check if a double buffer update has been applied by the PRE or is still pending. Signed-off-by: Lucas Stach [p.zabel@pengutronix.de: inverted logic: done -> pending] Signed-off-by: Philipp Zabel

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

2017-12-19T11:49:11+00:00

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: remove interrupt busy waiting routine

2017-06-08T06:57:19+00:00

This is not used anymore since commit eb8c88808c83 ("drm/imx: add deferred plane disabling"), remove it. Signed-off-by: Philipp Zabel

gpu: ipu-v3: allocate ipuv3_channels as needed

2017-06-08T06:57:19+00:00

Most of the 64 IPUv3 DMA channels are never used, some of them (channels 16, 30, 32, 34-39, and 53-63) are even marked as reserved. Allocate the channel control structure only when a channel is actually requested, replace the fixed size array with a list, and remove the unused enabled and busy fields from the ipuv3_channel structure. Signed-off-by: Philipp Zabel

gpu: ipu-v3: add driver for Prefetch Resolve Gasket

2017-03-16T09:14:02+00:00

This adds support for the i.MX6 QUadPlus PRG unit. It glues together the IPU and the PRE units. Signed-off-by: Lucas Stach Signed-off-by: Philipp Zabel --- v4: add missing ipu_soc->prg_priv

gpu: ipu-v3: add driver for Prefetch Resolve Engine

2017-03-15T14:42:35+00:00

This adds support for the i.MX6 QuadPlus PRE units. Currently only linear prefetch into SRAM is supported, other modes of operation like the tiled-to-linear conversion will be added later. Signed-off-by: Lucas Stach Signed-off-by: Philipp Zabel