#
5a729246 |
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07-Jun-2022 |
Thomas Gleixner <tglx@linutronix.de> |
treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_320.RULE Based on the normalized pattern: this program is free software you can redistribute it and/or modify it under the terms of the gnu general public license version 2 as published by the free software foundation this program is distributed as is without any warranty of any kind whether express or implied 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. Reviewed-by: Allison Randal <allison@lohutok.net> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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#
50b87a32 |
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17-Jun-2022 |
Liang He <windhl@126.com> |
ARM: OMAP2+: display: Fix refcount leak bug In omapdss_init_fbdev(), of_find_node_by_name() will return a node pointer with refcount incremented. We should use of_node_put() when it is not used anymore. Signed-off-by: Liang He <windhl@126.com> Message-Id: <20220617145803.4050918-1-windhl@126.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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#
9705db1e |
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31-May-2022 |
Miaoqian Lin <linmq006@gmail.com> |
ARM: OMAP2+: Fix refcount leak in omapdss_init_of omapdss_find_dss_of_node() calls of_find_compatible_node() to get device node. of_find_compatible_node() returns a node pointer with refcount incremented, we should use of_node_put() on it when done. Add missing of_node_put() in later error path and normal path. Fixes: e0c827aca0730 ("drm/omap: Populate DSS children in omapdss driver") Signed-off-by: Miaoqian Lin <linmq006@gmail.com> Message-Id: <20220601044858.3352-1-linmq006@gmail.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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#
34596ba3 |
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15-Nov-2021 |
Ye Guojin <ye.guojin@zte.com.cn> |
ARM: OMAP2+: adjust the location of put_device() call in omapdss_init_of This was found by coccicheck: ./arch/arm/mach-omap2/display.c, 272, 1-7, ERROR missing put_device; call of_find_device_by_node on line 258, but without a corresponding object release within this function. Move the put_device() call before the if judgment. Reported-by: Zeal Robot <zealci@zte.com.cn> Signed-off-by: Ye Guojin <ye.guojin@zte.com.cn> Signed-off-by: Tony Lindgren <tony@atomide.com>
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#
e106698c |
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03-Nov-2020 |
Xu Wang <vulab@iscas.ac.cn> |
ARM: OMAP2+: Remove redundant null check before clk_prepare_enable/clk_disable_unprepare Because clk_prepare_enable() and clk_disable_unprepare() already checked NULL clock parameter, so the additional checks are unnecessary, just remove them. Signed-off-by: Xu Wang <vulab@iscas.ac.cn> Signed-off-by: Tony Lindgren <tony@atomide.com>
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#
83bf6db0 |
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18-Jul-2020 |
Alexander A. Klimov <grandmaster@al2klimov.de> |
ARM: OMAP2+: Replace HTTP links with HTTPS ones 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: Tony Lindgren <tony@atomide.com>
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#
0b491904 |
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09-Nov-2019 |
Markus Elfring <elfring@users.sourceforge.net> |
ARM: OMAP2+: Add missing put_device() call in omapdss_init_of() A coccicheck run provided information like the following. arch/arm/mach-omap2/display.c:268:2-8: ERROR: missing put_device; call of_find_device_by_node on line 258, but without a corresponding object release within this function. Generated by: scripts/coccinelle/free/put_device.cocci Thus add the missed function call to fix the exception handling for this function implementation. Fixes: e0c827aca0730b51f38081aa4e8ecf0912aab55f ("drm/omap: Populate DSS children in omapdss driver") Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: Tony Lindgren <tony@atomide.com>
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#
30645307 |
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23-Feb-2019 |
Julia Lawall <Julia.Lawall@lip6.fr> |
ARM: OMAP2+: add missing of_node_put after of_device_is_available Add an of_node_put when a tested device node is not available. The semantic patch that fixes this problem is as follows (http://coccinelle.lip6.fr): // <smpl> @@ identifier f; local idexpression e; expression x; @@ e = f(...); ... when != of_node_put(e) when != x = e when != e = x when any if (<+...of_device_is_available(e)...+>) { ... when != of_node_put(e) ( return e; | + of_node_put(e); return ...; ) } // </smpl> Fixes: e0c827aca0730 ("drm/omap: Populate DSS children in omapdss driver") Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Tony Lindgren <tony@atomide.com>
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#
dc30e703 |
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25-Jan-2019 |
Yizhuo <yzhai003@ucr.edu> |
ARM: OMAP2+: Variable "reg" in function omap4_dsi_mux_pads() could be uninitialized In function omap4_dsi_mux_pads(), local variable "reg" could be uninitialized if function regmap_read() returns -EINVAL. However, it will be used directly in the later context, which is potentially unsafe. Signed-off-by: Yizhuo <yzhai003@ucr.edu> Signed-off-by: Tony Lindgren <tony@atomide.com>
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#
e0c827ac |
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10-Nov-2018 |
Laurent Pinchart <laurent.pinchart@ideasonboard.com> |
drm/omap: Populate DSS children in omapdss driver The DSS DT node contains children that describe the DSS components (DISPC and internal encoders). Each of those components is handled by a platform driver, and thus needs to be backed by a platform device. The corresponding platform devices are created in mach-omap2 code by a call to of_platform_populate(). While this approach has worked so far, it doesn't model the hardware architecture very well, as it creates child devices before the parent is ready to handle them. This would be akin to creating I2C slaves before the I2C master is available. The task can be easily performed in the omapdss driver code instead, simplifying mach-omap2 code. We however can't remove the mach-omap2 code completely as the omap2fb driver still depends on it, but we can move it to the omap2fb-specific section, where it can stay until the omap2fb driver gets removed. This has the added benefit of not allowing DSS components to probe before the DSS itself, which led to runtime PM issues when the DSS probe is deferred. Fixes: 27d624527d99 ("drm/omap: dss: Acquire next dssdev at probe time") Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Tony Lindgren <tony@atomide.com> Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Link: https://patchwork.freedesktop.org/patch/msgid/20181110111654.4387-2-laurent.pinchart@ideasonboard.com
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#
463ab4d5 |
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16-Apr-2018 |
Tony Lindgren <tony@atomide.com> |
ARM: OMAP2+: Make display related init into device_initcall We can initialize almost everything at normal module_init time with ti-sysc except for clocks and timers. To prepare for that, let's make display init into device_initcall as otherwise we'll be calling of_platform_populate() before the parent has probed. Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: Tomi Valkeinen <tomi.valkeinen@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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#
44773ba1 |
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16-Apr-2018 |
Tony Lindgren <tony@atomide.com> |
ARM: OMAP2+: Drop unused pm-noop Looks like these functions don't do anything in the mainline kernel so we can just drop it. Note that we must now also remove ir-rx51 pdata as it relies on the dummy platform data that does not do anything. And ir-rx51 is calling a pdata callback that doesn't do anything without checking if it exists first. For configuring device specific minimal latencies, the interface to use is pm_qos_add_request(). For an example, see what was done in commit 9834ffd1ecc3 ("ASoC: omap-mcbsp: Add PM QoS support for McBSP to prevent glitches"). I've added some comments to ir-rx51 so people using it can add pm_qos support and test it. Cc: Ivaylo Dimitrov <ivo.g.dimitrov.75@gmail.com> Cc: Kevin Hilman <khilman@kernel.org> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: Tomi Valkeinen <tomi.valkeinen@ti.com> Acked-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Signed-off-by: Tony Lindgren <tony@atomide.com>
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#
d1bbc823 |
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23-Aug-2017 |
Arnd Bergmann <arnd@arndb.de> |
ARM: OMAP2+: fix missing variable declaration The function that was added doesn't actually build: arch/arm/mach-omap2/display.c: In function 'omapdss_init_fbdev': arch/arm/mach-omap2/display.c:184:2: error: 'r' undeclared (first use in this function) This adds a declaration for 'r' to fix it. Fixes: 5ce783025c82 ("ARM: OMAP2+: Don't register omapdss device for omapdrm") Signed-off-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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#
5ce78302 |
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11-Aug-2017 |
Laurent Pinchart <laurent.pinchart@ideasonboard.com> |
ARM: OMAP2+: Don't register omapdss device for omapdrm The omapdrm driver doesn't need the omapdss device anymore. Although it can't be removed completely as the fbdev driver still requires it, we can condition its registration to the usage of the omapfb driver. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Tony Lindgren <tony@atomide.com> Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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#
d86bd82c |
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11-Aug-2017 |
Laurent Pinchart <laurent.pinchart@ideasonboard.com> |
ARM: OMAP2+: Remove unused omapdrm platform device The omapdrm platform device is unused, as a replacement is now registered in the omapdss driver. Remove it. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Tony Lindgren <tony@atomide.com> Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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#
7afa44e0 |
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13-Dec-2016 |
Laurent Pinchart <laurent.pinchart@ideasonboard.com> |
ARM: OMAP2+: Make the omapdss_find_dss_of_node() function static The omapdss_find_dss_of_node() function isn't used outside of its compilation unit, make it static. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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#
8635cb2c |
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13-Dec-2016 |
Laurent Pinchart <laurent.pinchart@ideasonboard.com> |
ARM: OMAP2+: Remove unused omap_display_init() function The omap_display_init() function is unused, remove it. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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#
71b2e2e3 |
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18-Sep-2016 |
Laurent Pinchart <laurent.pinchart@ideasonboard.com> |
ARM: OMAP2+: Remove the omapdss_early_init_of() function The function is empty, remove it. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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#
f8e0db97 |
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25-May-2016 |
Peter Ujfalusi <peter.ujfalusi@ti.com> |
ARM: OMAP2: Use the platform_data header for omapdss Instead of the full omapdss internal header, include only the platform_data header. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Acked-by: Tony Lindgren <tony@atomide.com>
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#
403ee909 |
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21-Apr-2014 |
Tomi Valkeinen <tomi.valkeinen@ti.com> |
ARM: OMAP2+: display: detect DRA7 DSS Add platform code to detect DRA7 DSS. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Acked-by: Tony Lindgren <tony@atomide.com>
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#
5b5992ac |
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11-Dec-2014 |
Tomi Valkeinen <tomi.valkeinen@ti.com> |
ARM: OMAP: display: change compat names to array Simplify the DSS detection logic by creating a list of the omapdss compat strings, instead of checking each separately with an 'if'. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Acked-by: Tony Lindgren <tony@atomide.com>
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#
23d34981 |
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18-Feb-2015 |
Tero Kristo <t-kristo@ti.com> |
ARM: OMAP4: display: convert display to use syscon for dsi muxing The legacy control module APIs will be gone, thus convert the display driver to use syscon. This change should eventually be moved to display driver from the board directory. Signed-off-by: Tero Kristo <t-kristo@ti.com> Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
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#
3d0cb73e |
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13-Sep-2014 |
Joe Perches <joe@perches.com> |
arm: mach-omap2: Convert pr_warning to pr_warn Use the more common pr_warn. Other miscellanea: o Realign arguments Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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#
f2dd36ac |
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15-May-2014 |
Tomi Valkeinen <tomi.valkeinen@ti.com> |
OMAPDSS: move 'compatible' converter to omapdss driver Move the panel/encoder driver compatible-string converter from arch/arm/mach-omap2/display.c to omapdss driver. That is a more logical place for it, as it's really an omapdss internal hack. The code is rewritten to follow the video node graph, starting from omapdss. This removes the need to have the device compatible-string database. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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#
9a308948 |
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16-Apr-2014 |
Tomi Valkeinen <tomi.valkeinen@ti.com> |
ARM: OMAP: add detection of omap5-dss Add detection of omap5-dss nodes so that the related devices get initialized. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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#
d6279d4a |
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24-Mar-2014 |
Sathya Prakash M R <sathyap@ti.com> |
OMAPDSS: Add DSS features for AM43xx Add DSS features for AM43xx. Signed-off-by: Sathya Prakash M R <sathyap@ti.com> Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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#
1f324509 |
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08-May-2014 |
Marek Belisko <marek@goldelico.com> |
omapdss: panel-tpo-td028ec1: Add DT support. Signed-off-by: Marek Belisko <marek@goldelico.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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#
6a0e6b38 |
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18-Dec-2013 |
Tomi Valkeinen <tomi.valkeinen@ti.com> |
ARM: OMAP2+: DT 'compatible' tweak for displays As there is no common panel framework in the kernel, we have OMAP specific panel drivers. However, the DT data should be generic. This brings the issue that some other platform could use the same panels, and would need to create a driver with the same 'compatible' string as the OMAP driver. In the long run, we have to get a common panel framework. For the time being, this patch solves the issue: At early boot time, we go through the DT nodes looking for the panels the kernel supports for OMAP. For each found node, the 'compatible' string is prepended with "omapdss,", i.e. "sony,acx565akm" becomes "omapdss,sony,acx565akm". The OMAP display drivers all have "omapdss," at the beginning of their compatible field. This allows us to have generic DT data, but OMAP specific display drivers. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Reviewed-by: Archit Taneja <archit@ti.com> Acked-by: Tony Lindgren <tony@atomide.com>
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#
dcdf407b |
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18-Mar-2013 |
Tomi Valkeinen <tomi.valkeinen@ti.com> |
ARM: OMAP2+: add omapdss_init_of() The OMAP display architecture requires a bunch of platform devices which are not created via .dts (for now). We also need to pass a few function pointers and the DSS hardware version from the arch code to omapdss driver. This patch adds omapdss_init_of() function, called from board-generic at init time, which handles those tasks. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Reviewed-by: Archit Taneja <archit@ti.com> Acked-by: Tony Lindgren <tony@atomide.com>
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#
eba35843 |
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14-Feb-2014 |
Tomi Valkeinen <tomi.valkeinen@ti.com> |
OMAPDSS: Remove unused get_context_loss_count support The omapdss driver no longer uses get_context_loss_count call, so we can remove it. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Reviewed-by: Archit Taneja <archit@ti.com>
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#
130f769e |
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16-Dec-2013 |
Tomi Valkeinen <tomi.valkeinen@ti.com> |
Revert "ARM: OMAP2+: Remove legacy mux code for display.c" Commit e30b06f4d5f000c31a7747a7e7ada78a5fd419a1 (ARM: OMAP2+: Remove legacy mux code for display.c) removed non-DT DSI and HDMI pinmuxing. However, DSI pinmuxing is still needed, and removing that caused DSI displays not to work. This reverts the DSI parts of the commit. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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#
e30b06f4 |
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18-Nov-2013 |
Tony Lindgren <tony@atomide.com> |
ARM: OMAP2+: Remove legacy mux code for display.c This is all omap4 specific, which is device tree based nowadays and should use pinctrl-single instead. Signed-off-by: Tony Lindgren <tony@atomide.com>
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#
576e5bda |
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15-Sep-2013 |
Archit Taneja <archit@ti.com> |
ARM: OMAP2+: display: Create omap_vout device inside omap_display_init Move omap_vout device creation inside the omap_display_init so that we can correctly create the device based on the presence of omapdss within the platform. For example, on a kernel image supporting multiple platforms, omap_init_vout will create a omapdrm platform device on a AM33xx platform even though it doesn't have a DSS block. Signed-off-by: Archit Taneja <archit@ti.com> Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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#
fc8df752 |
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15-Sep-2013 |
Archit Taneja <archit@ti.com> |
ARM: OMAP2+: display: Create omapvrfb and omapfb devices inside omap_display_init Move omapfb and omapvrfb device creation inside the omap_display_init so that we can correctly create the device based on the presence of omapdss within the platform. For example, on a kernel image supporting multiple platforms, omap_init_vrfb and omap_init_fb will create omapvrfb and omapfb platform devices respectively on a AM33xx platform even though it doesn't have a VRFB or DSS block. Signed-off-by: Archit Taneja <archit@ti.com> Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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#
7a59743d |
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15-Sep-2013 |
Archit Taneja <archit@ti.com> |
ARM: OMAP2+: display: Create omapdrm device inside omap_display_init Move omapdrm device creation inside the omap_display_init so that we can correctly create the device based on the presence of omapdss within the platform. For example, on a kernel image supporting multiple platforms, omap_init_drm will create a omapdrm platform device on a AM33xx platform even though it doesn't have a DSS block. Originally worked on by Andy Gross. Cc: Andy Gross <andygro@gmail.com> Signed-off-by: Archit Taneja <archit@ti.com> Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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#
35f5df6f |
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29-Aug-2013 |
Tomi Valkeinen <tomi.valkeinen@ti.com> |
OMAPDSS: fix DPI and SDI device ids The DPI and SDI platform devices are currently created with the ID of -1. The ID doesn't currently affect anything. However, we have added regulator supply entries for "omapdss_dpi.0" and "omapdss_sdi.0" to the board files, although these supply entries are not yet used. As the ID used for the devices is -1, these regulator supply entries will not work. To fix the issue, assign ID of 0 to the devices. In the future there may be more than one DPI or SDI output, so it makes sense to have a proper ID for them. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Reviewed-by: Archit Taneja <archit@ti.com>
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#
c1d1cd59 |
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26-Jan-2013 |
Paul Walmsley <paul@pwsan.com> |
ARM: OMAP2+: omap_device: remove obsolete pm_lats and early_device code Remove now-obsolete code from arch/arm/mach-omap2/omap_device.c. This mostly consists of removing the first attempt at device PM latency handling. This was never really used, has been replaced by the common dev_pm_qos code, and needs to go away as part of the DT conversion. Also, the early platform_device creation code has been removed, as it appears to be unused. Signed-off-by: Paul Walmsley <paul@pwsan.com> Cc: Kevin Hilman <khilman@deeprootsystems.com>
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#
b13159af |
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29-Oct-2012 |
Paul Walmsley <paul@pwsan.com> |
ARM: OMAP2+: PRCM: consolidate PRCM-related timeout macros Consolidate all of the copies of MAX_MODULE_HARDRESET_WAIT and MAX_MODULE_SOFTRESET_WAIT into one place, arch/arm/mach-omap2/prm.h. Signed-off-by: Paul Walmsley <paul@pwsan.com> Tested-by: Vaibhav Hiremath <hvaibhav@ti.com>
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#
ffc81fc5 |
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18-Oct-2012 |
Tomi Valkeinen <tomi.valkeinen@ti.com> |
OMAPDSS: split hdmi muxing function Split the omap4_hdmi_mux_pads() function into two parts, one handles the tpd12s015 gpio muxing, the other handles the hdmi pins. This is clearer, as hdmi and tpd12s015 are separate devices, and it also allows us to mux those separately with DT. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Cc: Ricardo Neri <ricardo.neri@ti.com> Acked-by: Tony Lindgren <tony@atomide.com>
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#
e4c060db |
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05-Oct-2012 |
Tony Lindgren <tony@atomide.com> |
ARM: OMAP: Split plat/cpu.h into local soc.h for mach-omap1 and mach-omap2 We want to remove plat/cpu.h. To do this, let's first split it to private soc.h to mach-omap1 and mach-omap2. We have to keep plat/cpu.h around until the remaining drivers are fixed, so let's include the local soc.h in plat/cpu.h and for drivers still including plat/cpu.h. Once the drivers are fixed not to include plat/cpu.h, we can remove the file. This is needed for the ARM common zImage support. [tony@atomide.com: updated to not print a warning] Signed-off-by: Tony Lindgren <tony@atomide.com>
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#
1d5aef49 |
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03-Oct-2012 |
Tony Lindgren <tony@atomide.com> |
ARM: OMAP: Make plat/omap-pm.h local to mach-omap2 We must move this for ARM common zImage support. Note that neither drivers/media/rc/ir-rx51.c or drivers/media/platform/omap3isp/ispvideo.c need to include omap-pm.h, so this patch removes the include for those files. Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: Mauro Carvalho Chehab <mchehab@infradead.org> Cc: Timo Kokkonen <timo.t.kokkonen@iki.fi> Cc: linux-media@vger.kernel.org Signed-off-by: Tony Lindgren <tony@atomide.com>
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#
2a296c8f |
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02-Oct-2012 |
Tony Lindgren <tony@atomide.com> |
ARM: OMAP: Make plat/omap_hwmod.h local to mach-omap2 Let's make omap_hwmod local to mach-omap2 for ARM common zImage support. Signed-off-by: Tony Lindgren <tony@atomide.com>
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#
25c7d49e |
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02-Oct-2012 |
Tony Lindgren <tony@atomide.com> |
ARM: OMAP: Make omap_device local to mach-omap2 Let's make omap_device local to mach-omap2 for ARM common zImage support. Signed-off-by: Tony Lindgren <tony@atomide.com>
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#
acd18af9 |
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27-Sep-2012 |
Tomi Valkeinen <tomi.valkeinen@ti.com> |
OMAPDSS: add omapdss_version Add new enum, omapdss_version, that is used to tell which DSS hardware version the SoC has. This enum is initialized during platform init, and passed in the platform data to omapdss driver. Note that the versions are not "continuous", that is, you cannot check if the version is less or greater than something, but you need to check for exact version match. In other words, this is invalid: /* test if DSS is 3630 or earlier */ if (ver <= OMAPDSS_VER_OMAP3630) ... Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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#
9ee67723 |
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08-Oct-2012 |
Wei Yongjun <yongjun_wei@trendmicro.com.cn> |
OMAPDSS: fix return value check in create_dss_pdev() In case of error, the function omap_device_alloc() returns ERR_PTR() not NULL pointer. The NULL test in the return value check should be replaced with IS_ERR(). dpatch engine is used to auto generated this patch. (https://github.com/weiyj/dpatch) Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Tony Lindgren <tony@atomide.com>
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#
bcad6dc3 |
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04-Oct-2012 |
Andi Kleen <ak@linux.intel.com> |
sections: fix section conflicts in arch/arm/ Signed-off-by: Andi Kleen <ak@linux.intel.com> Cc: Russell King <rmk@arm.linux.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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#
4d7cb45e |
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22-Sep-2012 |
Rajendra Nayak <rnayak@ti.com> |
ARM: omap: clk: add clk_prepare and clk_unprepare As part of Common Clk Framework (CCF) the clk_enable() operation was split into a clk_prepare() which could sleep, and a clk_enable() which should never sleep. Similarly the clk_disable() was split into clk_disable() and clk_unprepare(). This was needed to handle complex cases where in a clk gate/ungate would require a slow and a fast part to be implemented. None of the clocks below seem to be in the 'complex' clocks category and are just simple clocks which are enabled/disabled through simple register writes. Most of the instances also seem to be called in non-atomic context which means its safe to move all of those from using a clk_enable() to clk_prepare_enable() and clk_disable() to clk_disable_unprepare(). For some others, mainly the ones handled through the hwmod framework there is a possibility that they get called in either an atomic or a non-atomic context. The way these get handled below work only as long as clk_prepare is implemented as a no-op (which is the case today) since this gets called very early at boot while most subsystems are unavailable. Hence these are marked with a *HACK* comment, which says we need to re-visit these once we start doing something meaningful with clk_prepare/clk_unprepare like doing voltage scaling or something that involves i2c. This is in preparation of OMAP moving to CCF. Based on initial changes from Mike Turquette. Signed-off-by: Rajendra Nayak <rnayak@ti.com> Signed-off-by: Paul Walmsley <paul@pwsan.com>
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#
572bbd58 |
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01-Aug-2012 |
Chandrabhanu Mahapatra <cmahapatra@ti.com> |
ARM: OMAP: Disable venc for OMAP4 This is a alternative to "HACK: OMAP: DSS2: VENC: disable VENC on OMAP4 to prevent crash" (ba02fa37de) by Tomi Valkeinen <tomi.valkeinen@ti.com> to prevent VENC from crashing OMAP4 kernel. This prevents OMAPDSS from initial registration of a device for VENC on OMAP4. Signed-off-by: Chandrabhanu Mahapatra <cmahapatra@ti.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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#
465698ee |
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28-Jun-2012 |
Chandrabhanu Mahapatra <cmahapatra@ti.com> |
ARM: OMAP2PLUS: DSS: Disable LCD3 output when resetting DSS The dispc_disable_outputs() function currently disables all LCD managers except LCD3. This patch adds disabling functionality for LCD3 manager thereby maintaining consistency of Display Subsystem for in case Display Controller is reset when LCD3 manager is in use. Signed-off-by: Chandrabhanu Mahapatra <cmahapatra@ti.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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#
c3a21fc7 |
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05-Jun-2012 |
Tomi Valkeinen <tomi.valkeinen@ti.com> |
OMAPDSS: fix registration of DPI and SDI devices The omapdss arch initialization code registers all the output devices as omap_devices. However, DPI and SDI are not proper omap_devices, as they do not have any corresponding HWMOD. This leads to crashes or problems when the platform code tries to use omap_device functions for DPI and SDI devices. One such crash was reported by John Stultz <johnstul@us.ibm.com>: [ 18.756835] Unable to handle kernel NULL pointer dereference at virtual addr8 [ 18.765319] pgd = ea6b8000 [ 18.768188] [00000018] *pgd=aa942831, *pte=00000000, *ppte=00000000 [ 18.774749] Internal error: Oops: 17 [#1] SMP ARM [ 18.779663] Modules linked in: [ 18.782836] CPU: 0 Not tainted (3.5.0-rc1-dirty #456) [ 18.788482] PC is at _od_resume_noirq+0x1c/0x78 [ 18.793212] LR is at _od_resume_noirq+0x6c/0x78 [ 18.797943] pc : [<c00307ec>] lr : [<c003083c>] psr: 20000113 [ 18.797943] sp : ec3abe80 ip : ec3abdb8 fp : 00000006 [ 18.809936] r10: ec1148b8 r9 : c08a48f0 r8 : c00307d0 [ 18.815368] r7 : 00000000 r6 : 00000000 r5 : ec114800 r4 : ec114808 [ 18.822174] r3 : 00000000 r2 : 00000000 r1 : ec154fe8 r0 : 00000006 [ 18.829010] Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user [ 18.836456] Control: 10c5387d Table: aa6b804a DAC: 00000015 [ 18.842437] Process sh (pid: 1139, stack limit = 0xec3aa2f0) [ 18.848358] Stack: (0xec3abe80 to 0xec3ac000) DPI and SDI can be plain platform_devices. This patch changes the registration from omap_device_register() to platform_device_add(). Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Reported-by: John Stultz <johnstul@us.ibm.com> Tested-by: Jean Pihet <jean.pihet@newoldbits.com>
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#
35deca3d |
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01-Mar-2012 |
Tomi Valkeinen <tomi.valkeinen@ti.com> |
OMAPDSS: interface drivers register their panel devices Currently the higher level omapdss platform driver gets the list of displays in its platform data, and uses that list to create the omap_dss_device for each display. With DT, the logical way to do the above is to list the displays under each individual output, i.e. we'd have "dpi" node, under which we would have the display that uses DPI. In other words, each output driver handles the displays that use that particular output. To make the current code ready for DT, this patch modifies the output drivers so that each of them creates the display devices which use that output. However, instead of changing the platform data to suit this method, each output driver is passed the full list of displays, and the drivers pick the displays that are meant for them. This allows us to keep the old platform data, and thus we avoid the need to change the board files. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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#
53f576a8 |
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07-Mar-2012 |
Tomi Valkeinen <tomi.valkeinen@ti.com> |
OMAPDSS: create DPI & SDI devices We currently have separate device/driver for each DSS HW module. The DPI and SDI outputs are more or less parts of the DSS or DISPC hardware modules, but in SW it makes sense to represent them as device/driver pairs similarly to all the other outputs. This also makes sense for device tree, as each node under dss will be a platform device, and handling DPI & SDI somehow differently than the rest would just make the code more complex. This patch modifies arch/arm/mach-omap2/display.c to create platform devices for DPI and SDI, and later patches will implement driver for them. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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#
966eaed0 |
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17-Feb-2012 |
Tomi Valkeinen <tomi.valkeinen@ti.com> |
OMAPDSS: create custom pdevs for DSS omap_devices Instead of using omap_device_build() to create the omap_devices for DSS hwmods, create them with a custom function. This will allow us to create a parent-child hierarchy for the devices so that the omapdss_core device is parent for the rest of the dss hwmod devices. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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#
00928eaf |
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20-Feb-2012 |
Tomi Valkeinen <tomi.valkeinen@ti.com> |
OMAPDSS: clean up the omapdss platform data mess The omapdss pdata handling is a mess. This is more evident when trying to use device tree for DSS, as we don't have platform data anymore in that case. This patch cleans the pdata handling by: - Remove struct omap_display_platform_data. It was used just as a wrapper for struct omap_dss_board_info. - Pass the platform data only to omapdss device. The drivers for omap dss hwmods do not need the platform data. This should also work better for DT, as we can create omapdss device programmatically in generic omap boot code, and thus we can pass the pdata to it. - Create dss functions for get_ctx_loss_count and dsi_enable/disable_pads that the dss hwmod drivers can call. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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#
62c1dcfc |
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07-Mar-2012 |
Tomi Valkeinen <tomi.valkeinen@ti.com> |
OMAPDSS: add set_min_bus_tput pointer to omapdss's platform data omapdss driver needs to use the omap_pm_set_min_bus_tput(), so add a new entry for that in omapdss's platform data, and set it. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Cc: Paul Walmsley <paul@pwsan.com> Acked-by: Kevin Hilman <khilman@ti.com>
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#
e8a30b25 |
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19-Mar-2012 |
Tomi Valkeinen <tomi.valkeinen@ti.com> |
ARM: OMAP2+: Remove __init from DSI mux functions Commit d1589f0912533e6cb2ac8fd6f1feb3d5989fe8cb (ARM: OMAP2+: Mark omap_hsmmc_init and omap_mux related functions as __init) changed DSI muxing functions to __init. This doesn't work, as the muxing functions are used every time a DSI display is enabled or disabled. This patch removes the __inits from DSI mux functions that were accidentally marked as __init, and makes omap4_hdmi_mux_pads __init like it should be. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com> [tony@atomide.com: update comments, mark omap4_hdmi_mux_pads __init] Signed-off-by: Tony Lindgren <tony@atomide.com>
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#
d1589f09 |
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20-Feb-2012 |
Tony Lindgren <tony@atomide.com> |
ARM: OMAP2+: Mark omap_hsmmc_init and omap_mux related functions as __init Now that omap hsmmc init is split into two functions, it's safe to mark omap_hsmmc_init and omap_mux related functions to __init. This basically reverts the following fixes for the case where TWL was compiled as a module: a98f77b (ARM: omap: fix section mismatch warning for sdp3430_twl_gpio_setup()) 8930b4e (ARM: omap: fix section mismatch warnings in mux.c caused by hsmmc.c) Additionally it fixes up the remaining section warnings for all callers of omap_mux functions. Cc: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Tony Lindgren <tony@atomide.com>
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#
ee0839c2 |
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24-Feb-2012 |
Tony Lindgren <tony@atomide.com> |
ARM: OMAP2+: Move most of plat/io.h into local iomap.h There's no need to have these defines in plat/io.h. Note that we now need to ifdef omap_read/write calls as they will be available for omap1 only. While at it, clean up the includes to group them like they typically are grouped. Signed-off-by: Tony Lindgren <tony@atomide.com>
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#
7bb122d1 |
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17-Jan-2012 |
Tomi Valkeinen <tomi.valkeinen@ti.com> |
OMAPDSS: remove wrong HDMI HPD muxing "hdmi_hpd" pin is muxed to INPUT and PULLUP, but the pin is not currently used, and in the future when it is used, the pin is used as a GPIO and is board specific, not an OMAP4 wide thing. So remove the muxing for now. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Acked-by: Tony Lindgren <tony@atomide.com>
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#
9a901683 |
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02-Jan-2012 |
Mythri P K <mythripk@ti.com> |
OMAPDSS: HDMI: Disable DDC internal pull up Disables the internal pull resistor for SDA and SCL which are enabled by default, as there are external pull up's in 4460 and 4430 ES2.3 SDP, Blaze and Panda Boards, It is done to avoid the EDID read failure. Signed-off-by: Ricardo Salveti de Araujo <ricardo.salveti@linaro.org> Signed-off-by: Mythri P K <mythripk@ti.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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#
ee9dfd82 |
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02-Jan-2012 |
Mythri P K <mythripk@ti.com> |
OMAPDSS: HDMI: Move duplicate code from boardfile Move duplicate HDMI mux_init code from omap4 and panda board file to display file. Signed-off-by: Mythri P K <mythripk@ti.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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#
deee6d53 |
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06-Dec-2011 |
Tony Lindgren <tony@atomide.com> |
ARM: 7194/1: OMAP: Fix build after a merge between v3.2-rc4 and ARM restart changes ARM restart changes needed changes to common.h to make it local. This conflicted with v3.2-rc4 DSS related hwmod changes that git mergetool was not able to handle. Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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#
b923d40d |
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06-Oct-2011 |
Archit Taneja <archit@ti.com> |
ARM: OMAP2PLUS: DSS: Ensure DSS works correctly if display is enabled in bootloader Resetting DISPC when a DISPC output is enabled causes the DSS to go into an inconsistent state. Thus if the bootloader has enabled a display, the hwmod code cannot reset the DISPC module just like that, but the outputs need to be disabled first. Add function dispc_disable_outputs() which disables all active overlay manager and ensure all frame transfers are completed. Modify omap_dss_reset() to call this function and clear DSS_CONTROL, DSS_SDI_CONTROL and DSS_PLL_CONTROL so that DSS is in a clean state when the DSS2 driver starts. This resolves the hang issue(caused by a L3 error during boot) seen on the beagle board C3, which has a factory bootloader that enables display. The issue is resolved with this patch. Thanks to Tomi and Sricharan for some additional testing. Acked-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Tested-by: R, Sricharan <r.sricharan@ti.com> Signed-off-by: Archit Taneja <archit@ti.com> [paul@pwsan.com: restructured code, removed omap_{read,write}l(), removed cpu_is_omap*() calls and converted to dev_attr] Signed-off-by: Paul Walmsley <paul@pwsan.com>
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#
13662dc5 |
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08-Nov-2011 |
Tomi Valkeinen <tomi.valkeinen@ti.com> |
ARM: OMAP: HWMOD: Unify DSS resets for OMAPs This patch adds a custom DSS reset function used on OMAPs from OMAP2 forward. The function doesn't actually do a reset, it only waits for the reset to complete. The reason for this is that on OMAP4 there is no possibility to do a SW reset, and on OMAP2/3 doing a SW reset for dss_core resets all the other DSS modules also, thus breaking the HWMOD model where every DSS module is handled independently. This fixes the problem with DSS reset on OMAP4, caused by the fact that because there's no SW reset for dss_core on OMAP4, the HWMOD framework doesn't try to reset dss_core and thus the DSS clocks were never enabled at the same time. This causes causes the HWMOD reset to fail for dss_dispc and dss_rfbi. The common reset function will also allow us to fix another problem in the future: before doing a reset we need to disable DSS outputs, which are in some cases enabled by the bootloader, as otherwise DSS HW seems to get more or less stuck, requiring a power reset to recover. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com> [paul@pwsan.com: modified to build arch/arm/mach-omap2/display.o unconditionally to avoid an error when !CONFIG_OMAP2_DSS] Signed-off-by: Paul Walmsley <paul@pwsan.com>
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#
d44b28c4 |
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31-Jul-2011 |
Paul Gortmaker <paul.gortmaker@windriver.com> |
arm: fix implicit memset/string.h usage in various arch/arm files To fix things like this: arch/arm/mach-omap2/usb-tusb6010.c:58: error: implicit declaration of function 'memset' arch/arm/kernel/leds.c:40: error: implicit declaration of function 'strcspn' arch/arm/kernel/leds.c:40: warning: incompatible implicit declaration of built-in function 'strcspn' arch/arm/kernel/leds.c:45: error: implicit declaration of function 'strncmp' arch/arm/kernel/leds.c:55: error: implicit declaration of function 'strlen' arch/arm/kernel/leds.c:55: warning: incompatible implicit declaration of built-in function 'strlen' arch/arm/mach-omap2/clockdomain.c:52: error: implicit declaration of function 'strcmp' Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
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#
f718e2c0 |
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10-Aug-2011 |
Benoit Cousson <b-cousson@ti.com> |
ARM: OMAP2+: devices: Remove all omap_device_pm_latency structures Remove all these duplicated structures since a default one is now available. Signed-off-by: Benoit Cousson <b-cousson@ti.com> Signed-off-by: Kevin Hilman <khilman@ti.com>
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#
dc35835c |
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15-Jun-2011 |
Tomi Valkeinen <tomi.valkeinen@ti.com> |
OMAP: DSS2: Implement dsi_mux_pads for OMAP4 Implement dsi_mux_pads for OMAP4. On enable the function enables the DSI pins and disables pull down. On disable the function disables the pins and enables pull down. It is unclear from the TRM whether the pull down is active if the pins are disabled, so this implementation may leave the pins floating when the DSI device is disabled. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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#
5bc416cb |
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15-Jun-2011 |
Tomi Valkeinen <tomi.valkeinen@ti.com> |
OMAP: DSS2: DSI: Improve dsi_mux_pads parameters dsi_mux_pads() needs to know about the DSI HW module and the DSI lanes used. Split the function into two, enable and disable, which take necessary arguments, and add empty implementations for both. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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#
7c68dd96 |
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03-Aug-2011 |
Tomi Valkeinen <tomi.valkeinen@ti.com> |
OMAP: DSS2: Change DSI device naming Currently, there are 2 differently named platform devices generated for the 2 DSS DSI modules. In order to use the same driver, the dsi devices should be 2 instances of the same platform device. Change the platform device names from "omapdss_dsi1" and "omapdss_dsi2" to omapdss_dsi", and set the device indices to 0 and 1. Signed-off-by: Archit Taneja <archit@ti.com> Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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#
3528c58e |
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21-Jul-2011 |
Kevin Hilman <khilman@ti.com> |
OMAP: omap_device: when building return platform_device instead of omap_device All of the device init and device driver interaction with omap_device is done using platform_device pointers. To make this more explicit, have omap_device return a platform_device pointer instead of an omap_device pointer. All current users of the omap_device pointer were only using it to get at the platform_device pointer or struct device pointer, so fixing all of the users was trivial. This also makes it more difficult for device init code to directly access members of struct omap_device, and allows for easier changing of omap_device internals. Cc: Paul Walmsley <paul@pwsan.com> Signed-off-by: Kevin Hilman <khilman@ti.com>
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#
6d9f29dd |
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25-May-2011 |
Tomi Valkeinen <tomi.valkeinen@ti.com> |
OMAP: DSS2: Remove unused code from display.c oh_core variable is no longer used, so it and its initialization can be removed. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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#
aea4eb95 |
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27-May-2011 |
Tomi Valkeinen <tomi.valkeinen@ti.com> |
OMAP: DSS2: Remove unused opt_clock_available opt_clock_available() is no longer needed, so remove it. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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#
700dee78 |
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23-May-2011 |
Tomi Valkeinen <tomi.valkeinen@ti.com> |
OMAP: DSS2: Use omap_pm_get_dev_context_loss_count to get ctx loss count Initialize get_context_loss_count in the DSS board data to omap_pm_get_dev_context_loss_count, so that omapdss driver can use it. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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#
aac927c9 |
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23-May-2011 |
Tomi Valkeinen <tomi.valkeinen@ti.com> |
OMAP: DSS2: rewrite use of context_loss_count The function to get device's context loss count has changed from omap_pm_get_last_off_on_transaction_id() to omap_pm_get_dev_context_loss_count() Change name of the function pointer in omapdss.h accordingly, and use the term "context loss count" instead of "context id" in the code. Restructure the context loss count functions to handle errors properly, and ensure that context is always considered lost if an error happens. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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#
179e0453 |
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17-Apr-2011 |
Archit Taneja <archit@ti.com> |
OMAP2PLUS: DSS2: Clean up omap_display_init() Currently, omap_display_init() maintains arrays for hwmod name(oh_name) and the correspnding platform_device name(dev_name) needed by omap_device_build(). A variable oh_count keeps a track of the number of devices to build from oh_name based on what omap revision it is. Clean this up by maintaining an array of omap_dss_hwmod_data struct which is defined for each omap revision as suggested by Tomi Valkeinen. Assign the corresponding omap_dss_hwmod_data array struct to the pointer curr_dss_hwmod in omap_display_init(). Signed-off-by: Archit Taneja <archit@ti.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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#
a0b38cc4 |
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11-May-2011 |
Tomi Valkeinen <tomi.valkeinen@ti.com> |
OMAP: DSS2: Move display.h to include/video/ arch/arm/plat-omap/include/plat/display.h is an include for the OMAP DSS driver. A more logical place for it is in include/video. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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#
fd4b34f6 |
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01-Mar-2011 |
Sumit Semwal <sumit.semwal@ti.com> |
OMAP2PLUS:DSS2: add opt_clock_available in pdata Provide a function in pdata to allow dss submodules to check if a given clock is available on a platform as an optional clock. Signed-off-by: Senthilvadivu Guruswamy <svadivu@ti.com> (based on implementation from Senthil) Signed-off-by: Sumit Semwal <sumit.semwal@ti.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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#
545376e7 |
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27-Jan-2011 |
Mayuresh Janorkar <mayur@ti.com> |
OMAP4: DSS2: Add hwmod device names for OMAP4. Add hwmod device names for OMAP4; this enables device build for omap4 dss hwmod IPs. Signed-off-by: Sumit Semwal <sumit.semwal@ti.com> Signed-off-by: Mayuresh Janorkar <mayur@ti.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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#
cf07f531 |
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23-Jan-2011 |
Senthilvadivu Guruswamy <svadivu@ti.com> |
OMAP2,3: DSS2: Build omap_device for each DSS HWIP Looks up the hwmod database for each of the given DSS HW IP and builds omap_device which inturn does the platform device register for each of DSS HW IP Signed-off-by: Senthilvadivu Guruswamy <svadivu@ti.com> Signed-off-by: Sumit Semwal <sumit.semwal@ti.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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#
b7ee79ab |
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23-Jan-2011 |
Sumit Semwal <sumit.semwal@ti.com> |
OMAP2, 3: DSS2: Create new file display.c for central dss driver registration. A new file display.c is introduced for display driver init, which adds a function omap_display_init to do the DSS driver registration. This is the first step in moving away registration of DSS from board files into a common place. Reviewed-by: Kevin Hilman <khilman@ti.com> Tested-by: Kevin Hilman <khilman@ti.com> Signed-off-by: Senthilvadivu Guruswamy <svadivu@ti.com> Signed-off-by: Sumit Semwal <sumit.semwal@ti.com> Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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