linux/include/drm/tinydrm, branch v5.3

treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152

2019-05-30T18:26:32Z

Based on 1 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner Reviewed-by: Allison Randal Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman

drm: move tinydrm format conversion helpers to new drm_format_helper.c

2019-04-08T04:59:26Z

Also rename them from tinydrm_* to drm_fb_* Pure code motion, no functional change. Signed-off-by: Gerd Hoffmann Reviewed-by: Sam Ravnborg Reviewed-by: Noralf Trønnes Link: http://patchwork.freedesktop.org/patch/msgid/20190405095219.9231-2-kraxel@redhat.com

tinydrm/mipi-dbi: Use dma-safe buffers for all SPI transfers

2019-03-20T11:02:41Z

Buffers passed to spi_sync() must be dma-safe even for tiny buffers since some SPI controllers use DMA for all transfers. Example splat with CONFIG_DMA_API_DEBUG enabled: [ 23.750467] DMA-API: dw_dmac_pci 0000:00:15.0: device driver maps memory from stack [probable addr=000000001e49185d] [ 23.750529] WARNING: CPU: 1 PID: 1296 at kernel/dma/debug.c:1161 check_for_stack+0xb7/0x190 [ 23.750533] Modules linked in: mmc_block(+) spi_pxa2xx_platform(+) pwm_lpss_pci pwm_lpss spi_pxa2xx_pci sdhci_pci cqhci intel_mrfld_pwrbtn extcon_intel_mrfld sdhci intel_mrfld_adc led_class mmc_core ili9341 mipi_dbi tinydrm backlight ti_ads7950 industrialio_triggered_buffer kfifo_buf intel_soc_pmic_mrfld hci_uart btbcm [ 23.750599] CPU: 1 PID: 1296 Comm: modprobe Not tainted 5.0.0-rc7+ #236 [ 23.750605] Hardware name: Intel Corporation Merrifield/BODEGA BAY, BIOS 542 2015.01.21:18.19.48 [ 23.750620] RIP: 0010:check_for_stack+0xb7/0x190 [ 23.750630] Code: 8b 6d 50 4d 85 ed 75 04 4c 8b 6d 10 48 89 ef e8 2f 8b 44 00 48 89 c6 4a 8d 0c 23 4c 89 ea 48 c7 c7 88 d0 82 b4 e8 40 7c f9 ff <0f> 0b 8b 05 79 00 4b 01 85 c0 74 07 5b 5d 41 5c 41 5d c3 8b 05 54 [ 23.750637] RSP: 0000:ffff97bbc0292fa0 EFLAGS: 00010286 [ 23.750646] RAX: 0000000000000000 RBX: ffff97bbc0290000 RCX: 0000000000000006 [ 23.750652] RDX: 0000000000000007 RSI: 0000000000000002 RDI: ffff94b33e115450 [ 23.750658] RBP: ffff94b33c8578b0 R08: 0000000000000002 R09: 00000000000201c0 [ 23.750664] R10: 00000006ecb0ccc6 R11: 0000000000034f38 R12: 000000000000316c [ 23.750670] R13: ffff94b33c84b250 R14: ffff94b33dedd5a0 R15: 0000000000000001 [ 23.750679] FS: 0000000000000000(0000) GS:ffff94b33e100000(0063) knlGS:00000000f7faf690 [ 23.750686] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 23.750691] CR2: 00000000f7f54faf CR3: 000000000722c000 CR4: 00000000001006e0 [ 23.750696] Call Trace: [ 23.750713] debug_dma_map_sg+0x100/0x340 [ 23.750727] ? dma_direct_map_sg+0x3b/0xb0 [ 23.750739] spi_map_buf+0x25a/0x300 [ 23.750751] __spi_pump_messages+0x2a4/0x680 [ 23.750762] __spi_sync+0x1dd/0x1f0 [ 23.750773] spi_sync+0x26/0x40 [ 23.750790] mipi_dbi_typec3_command_read+0x14d/0x240 [mipi_dbi] [ 23.750802] ? spi_finalize_current_transfer+0x10/0x10 [ 23.750821] mipi_dbi_typec3_command+0x1bc/0x1d0 [mipi_dbi] Reported-by: Andy Shevchenko Signed-off-by: Noralf Trønnes Tested-by: Andy Shevchenko Acked-by: Andy Shevchenko Link: https://patchwork.freedesktop.org/patch/msgid/20190222124329.23046-1-noralf@tronnes.org

drm/tinydrm: Remove tinydrm_device

2019-03-04T14:31:27Z

No more users left so it can go alongside its helpers. Update the tinydrm docs description and remove todo entry. Signed-off-by: Noralf Trønnes Reviewed-by: Sam Ravnborg Acked-by: Daniel Vetter Link: https://patchwork.freedesktop.org/patch/msgid/20190225144232.20761-7-noralf@tronnes.org

drm/tinydrm: Drop using tinydrm_device

2019-03-04T14:30:51Z

Use devm_drm_dev_init() and drop using tinydrm_device. v2: devm_drm_dev_register() was dropped so add driver release callbacks. Signed-off-by: Noralf Trønnes Acked-by: Gerd Hoffmann Link: https://patchwork.freedesktop.org/patch/msgid/20190225144232.20761-6-noralf@tronnes.org

drm/tinydrm/mipi-dbi: Add drm_to_mipi_dbi()

2019-02-21T11:22:08Z

Add a function to derive mipi_dbi from drm_device now that tinydrm_device is going away. Signed-off-by: Noralf Trønnes Reviewed-by: Sam Ravnborg Link: https://patchwork.freedesktop.org/patch/msgid/20190210131039.52664-8-noralf@tronnes.org

drm/tinydrm: Remove tinydrm_shutdown()

2019-02-21T11:21:44Z

It's just a wrapper around drm_atomic_helper_shutdown() now. Also store drm_device in the drvdata field, since that's what's used. Signed-off-by: Noralf Trønnes Reviewed-by: Sam Ravnborg Link: https://patchwork.freedesktop.org/patch/msgid/20190210131039.52664-7-noralf@tronnes.org

drm/tinydrm: tinydrm_display_pipe_init() don't use tinydrm_device

2019-02-21T11:20:54Z

Rework function signature so tinydrm_device can be avoided. Move definition to tinydrm-helpers.h so tinydrm.h can be deleted in a later patch. Signed-off-by: Noralf Trønnes Reviewed-by: Sam Ravnborg Link: https://patchwork.freedesktop.org/patch/msgid/20190210131039.52664-6-noralf@tronnes.org

drm/modes: Add DRM_SIMPLE_MODE()

2019-02-21T11:13:42Z

This adds a helper macro to specify modes that only contain info about resolution. v2: Actually set the width and height (Ilia Mirkin) Cc: Ilia Mirkin Signed-off-by: Noralf Trønnes Reviewed-by: Sam Ravnborg Link: https://patchwork.freedesktop.org/patch/msgid/20190210131039.52664-5-noralf@tronnes.org

drm/tinydrm: Use damage helper for dirtyfb

2019-01-17T09:57:15Z

This switches to drm_atomic_helper_dirtyfb() as the framebuffer dirty handler. All flushing will now happen in the pipe functions. Also enable the damage plane property for all except repaper which can only do full updates. ili9225: This change made ili9225_init() equal to mipi_dbi_init() so use it. v3: Include vblank header (Sam) ili9225 and st7586 can't use mipi_dbi_enable_flush() (David) v2: Remove fb check in mipi_dbi_enable_flush() it can't be NULL (kbuild test robot) Cc: David Lechner Cc: Eric Anholt Signed-off-by: Noralf Trønnes Acked-by: Daniel Vetter Reviewed-by: Sam Ravnborg Tested-by: David Lechner Reviewed-by: David Lechner Link: https://patchwork.freedesktop.org/patch/msgid/20190115043643.2364-5-noralf@tronnes.org