- 06 Jan, 2020 11 commits
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yu kuai authored
Fixes gcc '-Wunused-but-set-variable' warning: drivers/gpu/drm/bridge/cdns-dsi.c: In function ‘cdns_dsi_bridge_enable’: drivers/gpu/drm/bridge/cdns-dsi.c:788:6: warning: variable ‘bpp’ set but not used [-Wunused-but-set-variable] It is never used, and so can be removed. Signed-off-by:
yu kuai <yukuai3@huawei.com> Reviewed-by:
Neil Armstrong <narmstrong@baylibre.com> Signed-off-by:
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zhengbin authored
Fixes coccicheck warning: drivers/gpu/drm/meson/meson_crtc.c:360:3-4: Unneeded semicolon drivers/gpu/drm/meson/meson_plane.c:181:2-3: Unneeded semicolon Reported-by:
Hulk Robot <hulkci@huawei.com> Signed-off-by:
zhengbin <zhengbin13@huawei.com> Reviewed-by:
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Julia Lawall authored
The dw_hdmi_hw structure is only copied into another structure, so make it const. The opportunity for this change was found using Coccinelle. Fixes: 7ed6c665 ("drm: bridge/dw_hdmi-ahb-audio: add audio driver") Signed-off-by:
Julia Lawall <Julia.Lawall@inria.fr> Reviewed-by:
Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by:
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Thomas Zimmermann authored
This change makes information about VRAM consumption available on debugfs. See /sys/kernel/debug/dri/0/vram-mm for an overview of how VRAM is being used. Signed-off-by:
Thomas Zimmermann <tzimmermann@suse.de> Reviewed-by:
Daniel Vetter <daniel.vetter@ffwll.ch> Acked-by:
Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20191203083819.6643-6-tzimmermann@suse.de
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Thomas Zimmermann authored
The hibmc driver aligns scanlines to 16 bytes. By using the new pitch_align argument of drm_gem_vram_fill_create_dumb(), convert hibmc over. v2: * move changes to VRAM helpers into separate patch Signed-off-by:
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Thomas Zimmermann authored
Adding the pitch alignment as an argument to drm_gem_vram_fill_create_dumb() allows to align scanlines to certain offsets. A value of 0 disables scanline pitches. v3: * only do power-of-2 test if pitch_align given; fails otherwise * mgag200: call drm_gem_vram_fill_create_dumb() with pitch_align v2: * split of patch from related hibmc changes * test if scanline pitch is power of 2 Signed-off-by:
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Thomas Zimmermann authored
The hibmc driver's struct hibmc_framebuffer stores a DRM framebuffer with an associated GEM object. This functionality is also provided by generic code. Switch hibmc over. Signed-off-by:
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Thomas Zimmermann authored
There's nothing special about hibmc's fbdev emulation that is not provided by the generic implementation. Switch over and remove the driver's code. Signed-off-by:
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Nickey Yang authored
Fix edid reading error when edid's block > 2. Signed-off-by:
Nickey Yang <nickey.yang@rock-chips.com> Signed-off-by:
Johan Jonker <jbx6244@gmail.com> Signed-off-by:
Heiko Stuebner <heiko@sntech.de> Link: https://patchwork.freedesktop.org/patch/msgid/20191211203417.19448-1-jbx6244@gmail.com
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Miquel Raynal authored
Introduce PX30 LVDS support. This means adding the relevant helper functions, a specific probe and also the initialization of a specific PHY. Signed-off-by:
Miquel Raynal <miquel.raynal@bootlin.com> Signed-off-by:
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Maarten Lankhorst authored
Requested, and we need v5.5-rc1 backported as our current branch is still based on v5.4. Signed-off-by:Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
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- 05 Jan, 2020 8 commits
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Miquel Raynal authored
Reorganize a bit the functions order to clarify the driver and separate hardware independent and specific functions a bit. This change only moves functions around, there is no functional change. Signed-off-by:
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Miquel Raynal authored
Return errors instead of returning void from internal helpers. When these helpers are called, check the returned value and print an error message in this case and not blindly continue. Signed-off-by:
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Miquel Raynal authored
The probe function is highly adapted to the RK3288 specificities, move all specific bits into an "rk3288_probe" function, also part of the platform data. The goal is to ease the addition of new flavors of Rockchip LVDS IPs. Signed-off-by:
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Miquel Raynal authored
Prepare the introduction of PX30 support by using drm_encoder_helper_funcs as platform data instead of multiple register names which are specific to rk3288 and not generic to all Rockchip IPs. This way adding support for a new flavor of a similar IP will be a matter of adding the relevant helper funcs. Signed-off-by:
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Miquel Raynal authored
Prepare the introduction of PX30 support by clarifying the function prefixes. We continue to prefix with 'rockchip_lvds_' generic functions that are not specific to a single hardware. Functions implying hardware modifications are now prefixed with 'rk3288_lvds_'. Signed-off-by:
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Miquel Raynal authored
Fix a #define indentation before adding more lines. Fixes: 34cc0aa2 ("drm/rockchip: Add support for Rockchip Soc LVDS") Signed-off-by:
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Miquel Raynal authored
PX30 SoCs use a single PHY shared by two display pipelines: MIPI DSI and LVDS. In the case of the LVDS IP, document the possibility to fill a PHY handle. Signed-off-by:
Rob Herring <robh@kernel.org> Signed-off-by:
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Miquel Raynal authored
Document the PX30 LVDS compatible. Signed-off-by:
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- 04 Jan, 2020 6 commits
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Heiko Stuebner authored
The LTK500HD1829 is 5.5" DSI display. v5: - Fix some trivial checkpatch warnings while applying (sam) changes in v4: - drop error message if backlight not found, no other panel does that and if needed it should live in drm_panel_of_backlight changes in v3: - drop one more overlooked panel->drm access Signed-off-by:
Heiko Stuebner <heiko.stuebner@theobroma-systems.com> Signed-off-by:
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Heiko Stuebner authored
The LTK500HD1829 is a 5.0" 720x1280 DSI display. v3: - fixed example by adding address,size-cells (sam) changes in v2: - fix id (Maxime) - drop port (Maxime) Signed-off-by:
Maxime Ripard <mripard@kernel.org> Reviewed-by:
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Heiko Stuebner authored
Shenzhen Leadtek Technology Co., Ltd. produces for example display and touch panels. Signed-off-by:
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Heiko Stuebner authored
Base on the somewhat similar Rocktech driver but adapted for panel-specific init of the XPP055C272. changes in v5: - drop error message when backlight not found, no other panel does that and if needed it should live in drm_panel_of_backlight changes in v4: none changes in v3: - remove wrong negative sync flags from display-mode to fix a display artifact of the output getting move a tiny bit to the right changes in v2: - move to drm-panel-internal backlight handling (Sam) - adapt to changes that happened to drm_panel structs+functions (Sam) - sort includes (Sam) - drop unnecessary DRV_NAME constant (Sam) - do mipi_dsi_dcs_exit_sleep_mode and mipi_dsi_dcs_set_display_on in panel prepare (not init_sequence) to keep symmetric (Sam) Signed-off-by:
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Heiko Stuebner authored
The XPP055C272 is a 5.5" 720x1280 DSI display. changes in v4: - fix id (Maxime) - drop port (Maxime) changes in v2: - add size info into binding title (Sam) - add more required properties (Sam) Signed-off-by:
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Heiko Stuebner authored
Shenzhen Xinpeng Technology Co., Ltd produces for example display panels. Signed-off-by:
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- 03 Jan, 2020 15 commits
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Andrew F. Davis authored
Found with scripts/coccinelle/misc/boolconv.cocci. Signed-off-by:
Andrew F. Davis <afd@ti.com> Cc: Jiri Kosina <trivial@kernel.org> Signed-off-by:
Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Link: https://patchwork.freedesktop.org/patch/msgid/20191016180424.23907-1-afd@ti.com
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Markus Elfring authored
Simplify this function implementation by using a known wrapper function. This issue was detected by using the Coccinelle software. Signed-off-by:
Markus Elfring <elfring@users.sourceforge.net> Cc: Daniel Mack <daniel@zonque.org> Cc: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Cc: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com> Cc: Viresh Kumar <viresh.kumar@linaro.org> Cc: YueHaibing <yuehaibing@huawei.com> Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com> Cc: Himanshu Jha <himanshujha199640@gmail.com> Signed-off-by:
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Markus Elfring authored
Simplify this function implementation by using a known wrapper function. This issue was detected by using the Coccinelle software. Signed-off-by:
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Gustavo A. R. Silva authored
Mark switch cases where we are expecting to fall through. Fix the following warnings (Building: mpc512x_defconfig powerpc): drivers/video/fbdev/fsl-diu-fb.c: In function ‘fsl_diu_ioctl’: ./include/linux/device.h:1750:2: warning: this statement may fall through [-Wimplicit-fallthrough=] _dev_warn(dev, dev_fmt(fmt), ##__VA_ARGS__) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/video/fbdev/fsl-diu-fb.c:1287:3: note: in expansion of macro ‘dev_warn’ dev_warn(info->dev, ^~~~~~~~ drivers/video/fbdev/fsl-diu-fb.c:1290:2: note: here case MFB_SET_PIXFMT: ^~~~ In file included from ./include/linux/acpi.h:15:0, from ./include/linux/i2c.h:13, from ./include/uapi/linux/fb.h:6, from ./include/linux/fb.h:6, from drivers/video/fbdev/fsl-diu-fb.c:20: ./include/linux/device.h:1750:2: warning: this statement may fall through [-Wimplicit-fallthrough=] _dev_warn(dev, dev_fmt(fmt), ##__VA_ARGS__) ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/video/fbdev/fsl-diu-fb.c:1296:3: note: in expansion of macro ‘dev_warn’ dev_warn(info->dev, ^~~~~~~~ drivers/video/fbdev/fsl-diu-fb.c:1299:2: note: here case MFB_GET_PIXFMT: ^~~~ Reported-by:kbuild test robot <lkp@intel.com> Signed-off-by:
Gustavo A. R. Silva <gustavo@embeddedor.com> Cc: Timur Tabi <timur@kernel.org> Signed-off-by:
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Colin Ian King authored
Don't populate the array wtst_xlat on the stack but instead make it static const. Makes the object code smaller by 89 bytes. Before: text data bss dec hex filename 14347 840 0 15187 3b53 fbdev/matrox/matroxfb_misc.o After: text data bss dec hex filename 14162 936 0 15098 3afa fbdev/matrox/matroxfb_misc.o (gcc version 9.2.1, amd64) Signed-off-by:
Colin Ian King <colin.king@canonical.com> [b.zolnierkie: use u8 while at it (suggested by Ville Syrjälä)] Signed-off-by:
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YueHaibing authored
Use devm_platform_ioremap_resource() to simplify the code a bit. This is detected by coccinelle. Reported-by:
YueHaibing <yuehaibing@huawei.com> Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Viresh Kumar <viresh.kumar@linaro.org> Cc: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com> Signed-off-by:
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YueHaibing authored
Use devm_platform_ioremap_resource() to simplify the code a bit. This is detected by coccinelle. Reported-by:
Jingoo Han <jingoohan1@gmail.com> Signed-off-by:
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YueHaibing authored
Use devm_platform_ioremap_resource() to simplify the code a bit. This is detected by coccinelle. Reported-by:
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Souptick Joarder authored
This is dead code since 3.15. If their is no plan to use it further, these can be removed forever. Signed-off-by:
Souptick Joarder <jrdr.linux@gmail.com> Cc: Sabyasachi Gupta <sabyasachi.linux@gmail.com> Signed-off-by:
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Christophe JAILLET authored
In the probe function, some resources are allocated using 'dma_alloc_wc()', they should be released with 'dma_free_wc()', not 'dma_free_coherent()'. We already use 'dma_free_wc()' in the remove function, but not in the error handling path of the probe function. Also, remove a useless 'PAGE_ALIGN()'. 'info->fix.smem_len' is already PAGE_ALIGNed. Fixes: 638772c7 ("fb: add support of LCD display controller on pxa168/910 (base layer)") Signed-off-by:
Christophe JAILLET <christophe.jaillet@wanadoo.fr> Reviewed-by:
Lubomir Rintel <lkundrak@v3.sk> CC: YueHaibing <yuehaibing@huawei.com> Signed-off-by:
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Peter Rosin authored
The variable is only ever used from fbcon.c which is linked into the same module. Therefore, the export is not needed. Signed-off-by:
Peter Rosin <peda@axentia.se> Reviewed-by:
Geert Uytterhoeven <geert@linux-m68k.org> Cc: Jonathan Corbet <corbet@lwn.net> Cc: Matthew Wilcox <willy@infradead.org> Signed-off-by:
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Peter Rosin authored
Probably most useful if you want no logo at all, or if you only want one logo regardless of how many CPU cores you have. Signed-off-by:
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Peter Rosin authored
Three shall be the number thou shalt count, and the number of the counting shall be three. Four shalt thou not count... One! Two! Five! Fixes: efb985f6 ("[PATCH] fbcon: Console Rotation - Add framebuffer console documentation") Signed-off-by:
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Bartlomiej Zolnierkiewicz authored
Use ->screen_buffer instead of ->screen_base in mmpfb driver. [ Please see commit 17a7b0b4 ("fb.h: Provide alternate screen_base pointer") for details. ] Also fix all other sparse warnings about using incorrect types in mmp display subsystem. Reviewed-by:
Andrzej Hajda <a.hajda@samsung.com> Signed-off-by:
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Bartlomiej Zolnierkiewicz authored
Add COMPILE_TEST support to mmp display subsystem for better compile testing coverage. Reviewed-by:
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