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2020-07-20video: fbdev: Replace HTTP links with HTTPS onesAlexander A. Klimov14-19/+19
Rationale: Reduces attack surface on kernel devs opening the links for MITM as HTTPS traffic is much harder to manipulate. Deterministic algorithm: For each file: If not .svg: For each line: If doesn't contain `\bxmlns\b`: For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`: If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`: If both the HTTP and HTTPS versions return 200 OK and serve the same content: Replace HTTP with HTTPS. Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20200719203714.61745-1-grandmaster@al2klimov.de
2020-07-20drm: Replace HTTP links with HTTPS onesAlexander A. Klimov3-6/+6
Rationale: Reduces attack surface on kernel devs opening the links for MITM as HTTPS traffic is much harder to manipulate. Deterministic algorithm: For each file: If not .svg: For each line: If doesn't contain `\bxmlns\b`: For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`: If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`: If both the HTTP and HTTPS versions return 200 OK and serve the same content: Replace HTTP with HTTPS. Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20200719171428.60470-1-grandmaster@al2klimov.de
2020-07-20drm/mxsfb: drop unused function parameterUwe Kleine-König1-2/+2
flags is unused since the driver was introduced in commit 45d59d704080 ("drm: Add new driver for MXSFB controller"). Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Stefan Agner <stefan@agner.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20200716174139.16602-1-u.kleine-koenig@pengutronix.de
2020-07-20drm/mxsfb: Make supported modifiers explicitGuido Günther1-2/+7
In contrast to other display controllers on imx like DCSS and ipuv3 lcdif/mxsfb does not support detiling e.g. vivante tiled layouts. Since mesa might assume otherwise make it explicit that only DRM_FORMAT_MOD_LINEAR is supported. Signed-off-by: Guido Günther <agx@sigxcpu.org> Reviewed-by: Lucas Stach <l.stach@pengutronix.de> Signed-off-by: Stefan Agner <stefan@agner.ch> Link: https://patchwork.freedesktop.org/patch/msgid/26877532e272c12a74c33188e2a72abafc9a2e1c.1584973664.git.agx@sigxcpu.org
2020-07-20drm: core: Convert device logging to drm_* functions.Suraj Upadhyay3-10/+7
Convert device logging with dev_* functions into drm_* functions. The patch has been generated with the coccinelle script below. The script focuses on instances of dev_* functions where the drm device context is clearly visible in its arguments. @@expression E1; expression list E2; @@ -dev_warn(E1->dev, E2) +drm_warn(E1, E2) @@expression E1; expression list E2; @@ -dev_info(E1->dev, E2) +drm_info(E1, E2) @@expression E1; expression list E2; @@ -dev_err(E1->dev, E2) +drm_err(E1, E2) @@expression E1; expression list E2; @@ -dev_info_once(E1->dev, E2) +drm_info_once(E1, E2) @@expression E1; expression list E2; @@ -dev_notice_once(E1->dev, E2) +drm_notice_once(E1, E2) @@expression E1; expression list E2; @@ -dev_warn_once(E1->dev, E2) +drm_warn_once(E1, E2) @@expression E1; expression list E2; @@ -dev_err_once(E1->dev, E2) +drm_err_once(E1, E2) @@expression E1; expression list E2; @@ -dev_err_ratelimited(E1->dev, E2) +drm_err_ratelimited(E1, E2) @@expression E1; expression list E2; @@ -dev_dbg(E1->dev, E2) +drm_dbg(E1, E2) Signed-off-by: Suraj Upadhyay <usuraj35@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20200718150955.GA23103@blackclown
2020-07-20drm/i810: switch from 'pci_' to 'dma_' APIChristophe JAILLET1-5/+5
The wrappers in include/linux/pci-dma-compat.h should go away. The patch has been generated with the coccinelle script below and has been hand modified to replace GFP_ with a correct flag. It has been compile tested. When memory is allocated in 'i810_dma_initialize()' GFP_KERNEL can be used because its only caller, 'i810_dma_init()', already use it and no lock is taken in the between. @@ @@ - PCI_DMA_BIDIRECTIONAL + DMA_BIDIRECTIONAL @@ @@ - PCI_DMA_TODEVICE + DMA_TO_DEVICE @@ @@ - PCI_DMA_FROMDEVICE + DMA_FROM_DEVICE @@ @@ - PCI_DMA_NONE + DMA_NONE @@ expression e1, e2, e3; @@ - pci_alloc_consistent(e1, e2, e3) + dma_alloc_coherent(&e1->dev, e2, e3, GFP_) @@ expression e1, e2, e3; @@ - pci_zalloc_consistent(e1, e2, e3) + dma_alloc_coherent(&e1->dev, e2, e3, GFP_) @@ expression e1, e2, e3, e4; @@ - pci_free_consistent(e1, e2, e3, e4) + dma_free_coherent(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_map_single(e1, e2, e3, e4) + dma_map_single(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_unmap_single(e1, e2, e3, e4) + dma_unmap_single(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4, e5; @@ - pci_map_page(e1, e2, e3, e4, e5) + dma_map_page(&e1->dev, e2, e3, e4, e5) @@ expression e1, e2, e3, e4; @@ - pci_unmap_page(e1, e2, e3, e4) + dma_unmap_page(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_map_sg(e1, e2, e3, e4) + dma_map_sg(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_unmap_sg(e1, e2, e3, e4) + dma_unmap_sg(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_dma_sync_single_for_cpu(e1, e2, e3, e4) + dma_sync_single_for_cpu(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_dma_sync_single_for_device(e1, e2, e3, e4) + dma_sync_single_for_device(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_dma_sync_sg_for_cpu(e1, e2, e3, e4) + dma_sync_sg_for_cpu(&e1->dev, e2, e3, e4) @@ expression e1, e2, e3, e4; @@ - pci_dma_sync_sg_for_device(e1, e2, e3, e4) + dma_sync_sg_for_device(&e1->dev, e2, e3, e4) @@ expression e1, e2; @@ - pci_dma_mapping_error(e1, e2) + dma_mapping_error(&e1->dev, e2) @@ expression e1, e2; @@ - pci_set_dma_mask(e1, e2) + dma_set_mask(&e1->dev, e2) @@ expression e1, e2; @@ - pci_set_consistent_dma_mask(e1, e2) + dma_set_coherent_mask(&e1->dev, e2) Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20200718072822.339064-1-christophe.jaillet@wanadoo.fr
2020-07-20drm/ast: Use managed MM initializationThomas Zimmermann3-13/+12
Cleaning up ast's MM code with ast_mm_fini() resets the write-combine flags on the VRAM I/O memory. Drop ast_mm_fini() in favor of an auto- release callback. Releasing the device also executes the callback. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20200716125353.31512-7-tzimmermann@suse.de
2020-07-20drm/ast: Initialize DRAM type before posting GPUThomas Zimmermann1-3/+3
Posting the GPU requires the correct DRAM type to be stored in struct ast_private. Therefore first initialize the DRAM info and then post the GPU. This restores the original order of instructions in this function. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Fixes: bad09da6deab ("drm/ast: Fixed vram size incorrect issue on POWER") Cc: Joel Stanley <joel@jms.id.au> Cc: Y.C. Chen <yc_chen@aspeedtech.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Dave Airlie <airlied@redhat.com> Cc: Thomas Zimmermann <tzimmermann@suse.de> Cc: Gerd Hoffmann <kraxel@redhat.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Emil Velikov <emil.l.velikov@gmail.com> Cc: "Y.C. Chen" <yc_chen@aspeedtech.com> Cc: <stable@vger.kernel.org> # v4.11+ Link: https://patchwork.freedesktop.org/patch/msgid/20200716125353.31512-6-tzimmermann@suse.de
2020-07-20drm/ast: Move VRAM size detection to ast_mm.cThomas Zimmermann3-38/+46
VRAM size detection is only relevant to the memory management. Move the code into ast_mm.c. While at it, rename the function to ast_get_vram_size(). The function argument's type is now struct ast_private. The result is stored in a local variable and not in struct ast_private any longer. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20200716125353.31512-5-tzimmermann@suse.de
2020-07-20drm/ast: Use managed VRAM-helper initializationThomas Zimmermann1-8/+3
As a first step to managed MM code in ast, switch over VRAM MM helpers. v2: * updated to use drmm_vram_helper_init() Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20200716125353.31512-4-tzimmermann@suse.de
2020-07-20drm/ast: Rename ast_ttm.c to ast_mm.cThomas Zimmermann2-1/+1
Although built upon TTM, the ast driver's VRAM MM helper does not expose TTM to its users. Rename the related ast file to ast_mm.c. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20200716125353.31512-3-tzimmermann@suse.de
2020-07-20drm/vram-helper: Managed vram helpersThomas Zimmermann2-36/+51
Calling drmm_vram_helper_init() sets up a managed instance of VRAM MM. Releasing the DRM device also frees the memory manager. The patch also updates the DRM documentation for VRAM helpers. The tutorial now describes the new managed interface. The old interfaces are deprecated and should not be used in new code. v2: * rename init function to drmm_vram_helper_init() * return errno code from init function; caller does not need vram_mm anyway * update documentation and remove docs for deprecated un-managed functions Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20200716125353.31512-2-tzimmermann@suse.de
2020-07-19drm/ingenic: Silence uninitialized-variable warningPaul Cercueil1-2/+2
Silence compiler warning about used but uninitialized 'ipu_state' variable. In practice, the variable would never be used when uninitialized, but the compiler cannot know that 'priv->ipu_plane' will always be NULL if CONFIG_INGENIC_IPU is disabled. Silence the warning by initializing the value to NULL. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20200719093834.14084-1-paul@crapouillou.net
2020-07-17drm/ingenic: Bump driver to version 1.1Paul Cercueil1-2/+2
Bump version to 1.1 and set date to 2020-07-16. v3: New patch Signed-off-by: Paul Cercueil <paul@crapouillou.net> Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20200716163846.174790-12-paul@crapouillou.net
2020-07-17drm/ingenic: Support multiple panels/bridgesPaul Cercueil1-31/+40
Support multiple panels or bridges connected to the same DPI output of the SoC. This setup can be found for instance on the GCW Zero, where the same DPI output interfaces the internal 320x240 TFT panel, and the ITE IT6610 HDMI chip. v2: No change v3: Allow > 80-char lines where it makes sense Signed-off-by: Paul Cercueil <paul@crapouillou.net> Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20200716163846.174790-11-paul@crapouillou.net
2020-07-17drm/ingenic: Add support for the IPUPaul Cercueil6-16/+1143
Add support for the Image Processing Unit (IPU) found in all Ingenic SoCs. The IPU can upscale and downscale a source frame of arbitrary size ranging from 4x4 to 4096x4096 on newer SoCs, with bicubic filtering on newer SoCs, bilinear filtering on older SoCs. Nearest-neighbour can also be obtained with proper coefficients. Starting from the JZ4725B, the IPU supports a mode where its output is sent directly to the LCDC, without having to be written to RAM first. This makes it possible to use the IPU as a DRM plane on the compatible SoCs, and have it convert and scale anything the userspace asks for to what's available for the display. Regarding pixel formats, older SoCs support packed YUV 4:2:2 and various planar YUV formats. Newer SoCs introduced support for RGB. Since the IPU is a separate hardware block, to make it work properly the Ingenic DRM driver will now register itself as a component master in case the IPU driver has been enabled in the config. When enabled in the config, the CRTC will see the IPU as a second primary plane. It cannot be enabled at the same time as the regular primary plane. It has the same priority, which means that it will also display below the overlay plane. v2: - ingenic-ipu is no longer its own module. It will be built into the ingenic-drm module. - If enabled in the config, both the core driver and the IPU driver will register as components; otherwise the core driver will bypass that and call the ingenic_drm_bind() function directly. - Since both files now build into the same module, the symbols previously exported as GPL are not exported anymore, since they are only used internally. - Fix SPDX license header in ingenic-ipu.h - Avoid using 'for(;;);' loops without trailing statement(s) v3: - Pass priv structure to IRQ handler; that way we don't hardcode the expectation that the IPU plane is at index #0. - Rework osd_changed() to account for src_* changes - Add multiplanar YUV 4:4:4 support - Commit fb addresses to HW at vblank, since addr registers are not shadow registers - Probe IPU component later so that IPU plane is last - Fix driver not working on IPU-less hardware - Use IPU driver's name as the IRQ name to avoid having two 'ingenic-drm' in /proc/interrupts - Fix IPU only working for still images on JZ4725B - Add a bit more code comments Signed-off-by: Paul Cercueil <paul@crapouillou.net> Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20200716163846.174790-10-paul@crapouillou.net
2020-07-17drm/ingenic: Add support for OSD modePaul Cercueil2-50/+288
All Ingenic SoCs starting from the JZ4725B support OSD mode. In this mode, two separate planes can be used. They can have different positions and sizes, and one can be overlayed on top of the other. v2: Use fallthrough; instead of /* fall-through */ v3: - Add custom atomic_tail function to handle case where HW gives no VBLANK - Use regmap_set_bits() / regmap_clear_bits() when possible - Use dma_hwdesc_f{0,1} fields in priv structure instead of array - Use dmam_alloc_coherent() instead of dma_alloc_coherent() - Use more meaningful 0xf0 / 0xf1 values as DMA descriptors IDs - Add a bit more code comments Signed-off-by: Paul Cercueil <paul@crapouillou.net> Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20200716163846.174790-9-paul@crapouillou.net
2020-07-17drm/ingenic: Use dmam_alloc_coherent()Paul Cercueil1-15/+3
Use dmam_alloc_coherent() instead of dma_alloc_coherent(). Then we don't need to register a custom cleanup handler. v3: New patch Signed-off-by: Paul Cercueil <paul@crapouillou.net> Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20200716163846.174790-8-paul@crapouillou.net
2020-07-17drm/ingenic: Move register definitions to ingenic-drm.hPaul Cercueil2-114/+128
Move the register definitions to ingenic-drm.h, to keep ingenic-drm-drv.c tidy. v2: Fix SPDX license tag v3: No change Signed-off-by: Paul Cercueil <paul@crapouillou.net> Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20200716163846.174790-7-paul@crapouillou.net
2020-07-17drm/ingenic: Set DMA descriptor chain address in probePaul Cercueil1-2/+3
The address of the DMA descriptor never changes. It can therefore be set in the probe function. v2-v3: No change Signed-off-by: Paul Cercueil <paul@crapouillou.net> Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20200716163846.174790-6-paul@crapouillou.net
2020-07-17drm/ingenic: Add missing CR in debug stringsPaul Cercueil1-15/+15
If you pass a string that is not terminated with a carriage return to dev_err(), it will eventually be printed with a carriage return, but not right away, since the kernel will wait for a pr_cont(). v2: New patch v3: No change Signed-off-by: Paul Cercueil <paul@crapouillou.net> Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20200716163846.174790-5-paul@crapouillou.net
2020-07-17drm/ingenic: Rename ingenic-drm.c to ingenic-drm-drv.cPaul Cercueil2-0/+1
Full rename without any modification, except to the Makefile. Renaming ingenic-drm.c to ingenic-drm-drv.c allow to decouple the module name from the source file name in the Makefile. This will be useful later when more source files are added. v2: New patch v3: No change Signed-off-by: Paul Cercueil <paul@crapouillou.net> Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20200716163846.174790-4-paul@crapouillou.net