| Commit message (Collapse) | Author | Age | Files | Lines |
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strict_strtoul() writes a long but ->gamma_mode only has space to store an
int, so on 64 bit systems we end up scribbling over ->gamma_table_count as
well. I've changed it to use kstrtouint() instead.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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fbdev fixes for 3.3 from Florian Tobias Schandinat
It includes:
- two fixes for OMAP HDMI
- one fix to make new OMAP functions behave as they are supposed to
- one Kconfig dependency fix
- two fixes for viafb for modesetting on VX900 hardware
* tag 'fbdev-fixes-for-3.3-2' of git://github.com/schandinat/linux-2.6:
OMAPDSS: APPLY: make ovl_enable/disable synchronous
OMAPDSS: panel-dvi: Add Kconfig dependency on I2C
viafb: fix IGA1 modesetting on VX900
viafb: select HW scaling on VX900 for IGA2
OMAPDSS: HDMI: hot plug detect fix
OMAPDSS: HACK: Ensure DSS clock domain gets out of idle when HDMI is enabled
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ovl->enable/disable are meant to be synchronous so that they can handle
the configuration of fifo sizes. The current kernel doesn't configure
fifo sizes yet, and so the code doesn't need to block to function (from
omapdss driver's perspective).
However, for the users of omapdss a non-blocking ovl->disable is
confusing, because they don't know when the memory area is not used
any more.
Furthermore, when the fifo size configuration is added in the next merge
window, the change from non-blocking to blocking could cause side
effects to the users of omapdss. So by making the functions block
already will keep them behaving in the same manner.
And, while not the main purpose of this patch, this will also remove the
compile warning:
drivers/video/omap2/dss/apply.c:350: warning:
'wait_pending_extra_info_updates' defined but not used
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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panel-dvi uses i2c, but the Kconfig didn't have dependency on I2C. Add
it.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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Even if the documentation calls this bit "Reserved" it has to be set
to 0 for correct modesetting on IGA1.
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Cc: stable@vger.kernel.org
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VX900 can do hardware scaling for both IGAs in contrast to previous
hardware which could do it only for IGA2. This patch ensures that
we set the parameter for IGA2 and not for IGA1. This fixes hardware
scaling on VX900 until we have the infrastructure to support it for
both IGAs.
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Cc: stable@vger.kernel.org
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fbdev-for-linus
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The "OMAPDSS: HDMI: PHY burnout fix" commit switched the HDMI driver
over to using a GPIO for plug detect. Unfortunately the ->detect()
method was not also updated, causing HDMI to no longer work for the
omapdrm driver (because it would actually check if a connection was
detected before attempting to enable display).
Signed-off-by: Rob Clark <rob@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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For DSS clock domain to transition from idle to active state. It's necessary
to enable the optional clock DSS_FCLK before we enable the module using the
MODULEMODE bits in the clock domain's CM_DSS_DSS_CLKCTRL register.
This sequence was not followed correctly for the 'dss_hdmi' hwmod and it led
to DSS clock domain not getting out of idle when pm_runtime_get_sync() was
called for hdmi's platform device.
Since the clock domain failed to change it's state to active, the hwmod code
disables any clocks it had enabled before for this hwmod. This led to the clock
'dss_48mhz_clk' gettind disabled.
When hdmi's runtime_resume() op is called, the call to dss_runtime_get()
correctly enables the DSS clock domain this time. However, the clock
'dss_48mhz_clk' is needed for HDMI's PHY to function correctly. Since it was
disabled previously, the driver fails when it tries to enable HDMI's PHY.
Fix this for now by ensuring that dss_runtime_get() is called before we call
pm_runtime_get_sync() for hdmi's platform device. A correct fix for later would
be to modify the DSS related hwmod's mainclks, and also some changes in how
opt clocks are handled in the DSS driver.
This fixes the issue of HDMI not working when it's the default display. The
issue is not seen if any other display is already enabled as the first display
would have correctly enabled the DSS clockdomain.
Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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SuperH fixes for 3.3-rc5
* tag 'sh-for-linus' of git://github.com/pmundt/linux-sh:
sh: Fix sh2a build error for CONFIG_CACHE_WRITETHROUGH
sh: modify a resource of sh_eth_giga1_resources in board-sh7757lcr
arch/sh: remove references to cpu_*_map.
sh: Fix typo in pci-sh7780.c
sh: add platform_device for SPI1 in setup-sh7757
sh: modify resource for SPI0 in setup-sh7757
sh: se7724: fix compile breakage
sh: clkfwk: bugfix: use clk_reparent() for div6 clocks
sh: clock-sh7724: fixup sh_fsi clock settings
sh: sh7757lcr: update to the new MMCIF DMA configuration
sh: fix the sh_mmcif_plat_data in board-sh7757lcr
video: pvr2fb: Fix up spurious section mismatch warnings.
sh: Defer to asm-generic/device.h.
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pvr2fb special cases its init/exit routines which causes spurious section
mismatches. Set the board_driver array __refdata to silence them.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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When a PMIC is not found, this driver is unable to obtain its
'vdds_dsi_reg' regulator. Even through its initialization function
fails, other code still calls its enable function, which fails to
check whether it has this regulator before asking for it to be enabled.
This fixes the oops, however a better fix would be to sort out the
upper layers to prevent them calling into a module which failed to
initialize.
Unable to handle kernel NULL pointer dereference at virtual address 00000038
pgd = c0004000
[00000038] *pgd=00000000
Internal error: Oops: 5 [#1] PREEMPT
Modules linked in:
CPU: 0 Not tainted (3.3.0-rc2+ #228)
PC is at regulator_enable+0x10/0x70
LR is at omapdss_dpi_display_enable+0x54/0x15c
pc : [<c01b9a08>] lr : [<c01af994>] psr: 60000013
sp : c181fd90 ip : c181fdb0 fp : c181fdac
r10: c042eff0 r9 : 00000060 r8 : c044a164
r7 : c042c0e4 r6 : c042bd60 r5 : 00000000 r4 : c042bd60
r3 : c084de48 r2 : c181e000 r1 : c042bd60 r0 : 00000000
Flags: nZCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment kernel
Control: 10c5387d Table: 80004019 DAC: 00000015
Process swapper (pid: 1, stack limit = 0xc181e2e8)
Stack: (0xc181fd90 to 0xc1820000)
fd80: c001754c c042bd60 00000000 c042bd60
fda0: c181fdcc c181fdb0 c01af994 c01b9a04 c0016104 c042bd60 c042bd60 c044a338
fdc0: c181fdec c181fdd0 c01b5ed0 c01af94c c042bd60 c042bd60 c1aa8000 c1aa8a0c
fde0: c181fe04 c181fdf0 c01b5f54 c01b5ea8 c02fc18c c042bd60 c181fe3c c181fe08
fe00: c01b2a18 c01b5f48 c01aed14 c02fc160 c01df8ec 00000002 c042bd60 00000003
fe20: c042bd60 c1aa8000 c1aa8a0c c042eff8 c181fe84 c181fe40 c01b3874 c01b29fc
fe40: c042eff8 00000000 c042f000 c0449db8 c044ed78 00000000 c181fe74 c042eff8
fe60: c042eff8 c0449db8 c0449db8 c044ed78 00000000 00000000 c181fe94 c181fe88
fe80: c01e452c c01b35e8 c181feb4 c181fe98 c01e2fdc c01e4518 c042eff8 c0449db8
fea0: c0449db8 c181fef0 c181fecc c181feb8 c01e3104 c01e2f48 c042eff8 c042f02c
fec0: c181feec c181fed0 c01e3190 c01e30c0 c01e311c 00000000 c01e311c c0449db8
fee0: c181ff14 c181fef0 c01e1998 c01e3128 c18330a8 c1892290 c04165e8 c0449db8
ff00: c0449db8 c1ab60c0 c181ff24 c181ff18 c01e2e28 c01e194c c181ff54 c181ff28
ff20: c01e2218 c01e2e14 c039afed c181ff38 c04165e8 c041660c c0449db8 00000013
ff40: 00000000 c03ffdb8 c181ff7c c181ff58 c01e384c c01e217c c181ff7c c04165e8
ff60: c041660c c003a37c 00000013 00000000 c181ff8c c181ff80 c01e488c c01e3790
ff80: c181ff9c c181ff90 c03ffdcc c01e484c c181ffdc c181ffa0 c0008798 c03ffdc4
ffa0: c181ffc4 c181ffb0 c0056440 c0187810 c003a37c c04165e8 c041660c c003a37c
ffc0: 00000013 00000000 00000000 00000000 c181fff4 c181ffe0 c03ea284 c0008708
ffe0: 00000000 c03ea208 00000000 c181fff8 c003a37c c03ea214 1073cec0 01f7ee08
Backtrace:
[<c01b99f8>] (regulator_enable+0x0/0x70) from [<c01af994>] (omapdss_dpi_display_enable+0x54/0x15c)
r6:c042bd60 r5:00000000 r4:c042bd60
[<c01af940>] (omapdss_dpi_display_enable+0x0/0x15c) from [<c01b5ed0>] (generic_dpi_panel_power_on+0x34/0x78)
r6:c044a338 r5:c042bd60 r4:c042bd60
[<c01b5e9c>] (generic_dpi_panel_power_on+0x0/0x78) from [<c01b5f54>] (generic_dpi_panel_enable+0x18/0x28)
r7:c1aa8a0c r6:c1aa8000 r5:c042bd60 r4:c042bd60
[<c01b5f3c>] (generic_dpi_panel_enable+0x0/0x28) from [<c01b2a18>] (omapfb_init_display+0x28/0x150)
r4:c042bd60
[<c01b29f0>] (omapfb_init_display+0x0/0x150) from [<c01b3874>] (omapfb_probe+0x298/0x318)
r8:c042eff8 r7:c1aa8a0c r6:c1aa8000 r5:c042bd60 r4:00000003
[<c01b35dc>] (omapfb_probe+0x0/0x318) from [<c01e452c>] (platform_drv_probe+0x20/0x24)
[<c01e450c>] (platform_drv_probe+0x0/0x24) from [<c01e2fdc>] (really_probe+0xa0/0x178)
[<c01e2f3c>] (really_probe+0x0/0x178) from [<c01e3104>] (driver_probe_device+0x50/0x68)
r7:c181fef0 r6:c0449db8 r5:c0449db8 r4:c042eff8
[<c01e30b4>] (driver_probe_device+0x0/0x68) from [<c01e3190>] (__driver_attach+0x74/0x98)
r5:c042f02c r4:c042eff8
[<c01e311c>] (__driver_attach+0x0/0x98) from [<c01e1998>] (bus_for_each_dev+0x58/0x98)
r6:c0449db8 r5:c01e311c r4:00000000
[<c01e1940>] (bus_for_each_dev+0x0/0x98) from [<c01e2e28>] (driver_attach+0x20/0x28)
r7:c1ab60c0 r6:c0449db8 r5:c0449db8 r4:c04165e8
[<c01e2e08>] (driver_attach+0x0/0x28) from [<c01e2218>] (bus_add_driver+0xa8/0x22c)
[<c01e2170>] (bus_add_driver+0x0/0x22c) from [<c01e384c>] (driver_register+0xc8/0x154)
[<c01e3784>] (driver_register+0x0/0x154) from [<c01e488c>] (platform_driver_register+0x4c/0x60)
r8:00000000 r7:00000013 r6:c003a37c r5:c041660c r4:c04165e8
[<c01e4840>] (platform_driver_register+0x0/0x60) from [<c03ffdcc>] (omapfb_init+0x14/0x34)
[<c03ffdb8>] (omapfb_init+0x0/0x34) from [<c0008798>] (do_one_initcall+0x9c/0x164)
[<c00086fc>] (do_one_initcall+0x0/0x164) from [<c03ea284>] (kernel_init+0x7c/0x120)
[<c03ea208>] (kernel_init+0x0/0x120) from [<c003a37c>] (do_exit+0x0/0x2d8)
r5:c03ea208 r4:00000000
Code: e1a0c00d e92dd870 e24cb004 e24dd004 (e5906038)
---[ end trace 9e2474c2e193b223 ]---
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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fbdev fixes for 3.3
It includes:
- compile fix for fsl-diu-fb
- fix for a suspend/resume issue in atmel_lcdfb
- fix for a suspend/resume issue in OMAP
- workaround for a hardware bug to avoid physical damage in OMAP
- really trivial dead code removal in intelfb
* tag 'fbdev-fixes-for-3.3-1' of git://github.com/schandinat/linux-2.6:
atmel_lcdfb: fix usage of CONTRAST_CTR in suspend/resume
intelfb: remove some dead code
drivers/video: compile fixes for fsl-diu-fb.c
OMAPDSS: HDMI: PHY burnout fix
OMAP: 4430SDP/Panda: add HDMI HPD gpio
OMAP: 4430SDP/Panda: setup HDMI GPIO muxes
OMAPDSS: remove wrong HDMI HPD muxing
OMAP: 4430SDP/Panda: rename HPD GPIO to CT_CP_HPD
OMAP: 4430SDP/Panda: use gpio_free_array to free HDMI gpios
OMAPDSS: use sync versions of pm_runtime_put
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An error was existing in the saving of CONTRAST_CTR register
across suspend/resume.
Signed-off-by: Hubert Feurstein <h.feurstein@gmail.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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The goto on the line before means the return is unreachable. The goto
also returns -ENODEV so no changes are needed there.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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fbdev-for-linus
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A hardware bug in the OMAP4 HDMI PHY causes physical damage to the board
if the HDMI PHY is kept powered on when the cable is not connected.
This patch solves the problem by adding hot-plug-detection into the HDMI
IP driver. This is not a real HPD support in the sense that nobody else
than the IP driver gets to know about the HPD events, but is only meant
to fix the HW bug.
The strategy is simple: If the display device is turned off by the user,
the PHY power is set to OFF. When the display device is turned on by the
user, the PHY power is set either to LDOON or TXON, depending on whether
the HDMI cable is connected.
The reason to avoid PHY OFF when the display device is on, but the cable
is disconnected, is that when the PHY is turned OFF, the HDMI IP is not
"ticking" and thus the DISPC does not receive pixel clock from the HDMI
IP. This would, for example, prevent any VSYNCs from happening, and
would thus affect the users of omapdss. By using LDOON when the cable is
disconnected we'll avoid the HW bug, but keep the HDMI working as usual
from the user's point of view.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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omapdss doesn't work properly on system suspend. The problem seems to be
the fact that omapdss uses pm_runtime_put() functions when turning off
the hardware, and when system suspend is in process only sync versions
are allowed.
Using non-sync versions normally and sync versions when suspending would
need rather ugly hacks to convey the information of
suspending/not-suspending to different functions. Optimally the driver
wouldn't even need to care about this, and the PM layer would handle
syncing when suspend is in process.
This patch changes all omapdss's pm_runtime_put calls to
pm_runtime_put_sync. This fixes the suspend problem, and probably the
performance penalty of always using sync versions is negligible.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Kevin Hilman <khilman@ti.com>
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Fix a compiler errors introduced in:
commit ddd3d905436b572ebadc09dcf2d12ca5b37020a0
Author: Timur Tabi <timur@freescale.com>
drivers/video: fsl-diu-fb: merge all allocated data into one block
Signed-off-by: Michael Neuling <mikey@neuling.org>
Acked-by: Timur Tabi <timur@freescale.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k:
m68k: Fix assembler constraint to prevent overeager gcc optimisation
mac_esp: rename irq
mac_scsi: dont enable mac_scsi irq before requesting it
macfb: fix black and white modes
m68k/irq: Remove obsolete IRQ_FLG_* definitions
Fix up trivial conflict in arch/m68k/kernel/process_mm.c as per Geert.
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macfb won't init in black & white modes since fb_alloc_cmap() no longer
works for zero cmap length. Fix this and also clean up a few printk's and
some stylistic inconsistencies.
Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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l4f00242t03_probe if regulator_get() fails
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Alberto Panizzo <alberto@amarulasolutions.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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We need to write new value if the bit mask fields of new value is not
equal to old value. It does not make sense to write new value only when
all the bit_mask bits are zero.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Cc: Michael Hennerich <michael.hennerich@analog.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* 'next' of git://git.infradead.org/users/vkoul/slave-dma: (53 commits)
ARM: mach-shmobile: specify CHCLR registers on SH7372
dma: shdma: fix runtime PM: clear channel buffers on reset
dma/imx-sdma: save irq flags when use spin_lock in sdma_tx_submit
dmaengine/ste_dma40: clear LNK on channel startup
dmaengine: intel_mid_dma: remove legacy pm interface
ASoC: mxs: correct 'direction' of device_prep_dma_cyclic
dmaengine: intel_mid_dma: error path fix
dmaengine: intel_mid_dma: locking and freeing fixes
mtd: gpmi-nand: move to dma_transfer_direction
mtd: fix compile error for gpmi-nand
mmc: mxs-mmc: fix the dma_transfer_direction migration
dmaengine: add DMA_TRANS_NONE to dma_transfer_direction
dma: mxs-dma: Don't use CLKGATE bits in CTRL0 to disable DMA channels
dma: mxs-dma: make mxs_dma_prep_slave_sg() multi user safe
dma: mxs-dma: Always leave mxs_dma_init() with the clock disabled.
dma: mxs-dma: fix a typo in comment
DMA: PL330: Remove pm_runtime_xxx calls from pl330 probe/remove
video i.MX IPU: Fix display connections
i.MX IPU DMA: Fix wrong burstsize settings
dmaengine/ste_dma40: allow fixed physical channel
...
Fix up conflicts in drivers/dma/{Kconfig,mxs-dma.c,pl330.c}
The conflicts looked pretty trivial, but I'll ask people to verify them.
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The IPU internally works on 32bit colors. It can arbitrarily map
between pixel formats and internal representation and also between
internal representation and the physical connection to the display.
The driver used to change the mapping between internal representation
and display connection depending on the user selected bpp which is
wrong. Instead, the mapping is specified by the hardware, so an
additional field in platform data is added to describe the connection
between i.MX and the display. The default for this field is RGB666
which seems to be the only configuration which works without this
patch, so I assumed that all in Kernel boards are connected this
way.
This patch has been tested on a RGB666 connected display and a
RGB888 connected display in both 16bpp and 32bpp modes.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
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resolved conflicts:
drivers/media/video/mx3_camera.c
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fixup usage of dma direction by introducing dma_transfer_direction,
this patch moves media and video drivers to use new enum
Cc: Mauro Carvalho Chehab <mchehab@infradead.org>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
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* 'fbdev-next' of git://github.com/schandinat/linux-2.6: (175 commits)
module_param: make bool parameters really bool (drivers/video/i810)
Revert "atmel_lcdfb: Adjust HFP calculation so it matches the manual."
OMAPDSS: HDMI: Disable DDC internal pull up
OMAPDSS: HDMI: Move duplicate code from boardfile
OMAPDSS: add OrtusTech COM43H4M10XTC display support
OMAP: DSS2: Support for UMSH-8173MD TFT panel
ASoC: OMAP: HDMI: Move HDMI codec trigger function to generic HDMI driver
OMAPDSS: HDMI: Create function to enable HDMI audio
ASoC: OMAP: HDMI: Correct signature of ASoC functions
ASoC: OMAP: HDMI: Introduce driver data for audio codec
grvga: fix section mismatch warnings
video: s3c-fb: Don't keep device runtime active when open
video: s3c-fb: Hold runtime PM references when touching registers
video: s3c-fb: Take a runtime PM reference when unblanked
video: s3c-fb: Disable runtime PM in error paths from probe
video: s3c-fb: Use s3c_fb_enable() to enable the framebuffer
video: s3c-fb: Make runtime PM functional again
drivers/video: fsl-diu-fb: merge fsl_diu_alloc() into map_video_memory()
drivers/video: fsl-diu-fb: add default platform ops functions
drivers/video: fsl-diu-fb: remove broken reference count enabling the display
...
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module_param(bool) used to counter-intuitively take an int. In
fddd5201 (mid-2009) we allowed bool or int/unsigned int using a messy
trick.
It's time to remove the int/unsigned int option. For this version
it'll simply give a warning, but it'll break next kernel version.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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This reverts commit 5d910426a6e80194a50e33351c91abcad266c809.
Nicolas Ferre <nicolas.ferre@atmel.com> wrote:
"Unfortunately this is not true for all the SoC that embed the
atmel_lcdfb... So I may need to rework this patch but it is certainly
not applicable in the current form."
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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fbdev-next
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dd data for the OrtusTech COM43H4M10XTC display to the
generic_dpi_panel driver.
CC: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Ilya Yanok <yanok@emcraft.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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This patch adds support for Microtip Technologies' UMSH-8173MD 800x480
RGB TFT panel. Tested with an OMAP3 board.
Signed-off-by: Daniel Mack <zonque@gmail.com>
Cc: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
[tomi.valkeinen@ti.com: changed the panel name string]
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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The function hdmi_audio_trigger is a callback used by ASoC to stop/start
HDMI audio. Also, it does not perform IP-specific configuration directly.
Hence, it should be placed in the general portion of the HDMI driver,
along with the other ASoC callbacks.
Also, make this function static.
Signed-off-by: Ricardo Neri <ricardo.neri@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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In order to separate clearly IP-specific code from general DSS code,
a function for OMAP4 audio enable is created. This function is
included in the HDMI IP ops to align with the current implementation
of the DSS HDMI driver. This function is to be used by the ASoC
HDMI audio codec.
Signed-off-by: Ricardo Neri <ricardo.neri@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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These functions require access to IP-secific data. However, it is not possible
to pass such data as a function argument as such functions have a specific
signature specified by ASoC. Instead, they will have access to the IP-specific
data by calling snd_soc_codec_get_drvdata. The codec driver data is set
at probe time.
Signed-off-by: Ricardo Neri <ricardo.neri@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Under the new DSS architecture for HDMI, there is a clear separation
between general DSS code and HDMI IP-specific data. Functions
that require access to the HDMI driver IP-specific data receive an
hdmi_ip_data structure. The ASoC codec require access to such
IP-specific data. Then, instead of accessing it directly, it will be
passed as codec driver data. This also helps to have a clear separation
between DSS and ASoC portions of the code.
Signed-off-by: Ricardo Neri <ricardo.neri@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Clock requirements for scaling in OMAP2, OMAP3 and OMAP4 are different. In
OMAP2 and OMAP3 the required clock rate is a function of pixel clock, vertical
downscale ratio and horizontal downscale ratio whereas in OMAP4 it is a
function of pixel clock and horizontal downscale ratio only. Selection of 3-tap
vs 5-tap coefficients depends on clock rate line buffer width in OMAP3 whereas
in OMAP4 it is independent of clock rate and line buffer width. In OMAP2 3-tap
for vertical and 5-tap for horizontal scaling is used. In OMAP4 5-tap is used
both for horizontal and vertical scaling for better performance. Also, the
number and width of line buffers differs in OMAP3 and OMAP4.
So, clock functions have been fined tuned for OMAP3 and support has been added
added for OMAP4. This code has been tested on OMAP2, OMAP3 and OMAP4, and
scaling issues due to clock errors have been resolved.
Signed-off-by: Chandrabhanu Mahapatra <cmahapatra@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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The FIR coefficients present in kernel are being updated to new coefficients
consisting of 24 coefficient tables, with 12 each for 3 tap and 5 tap scenario,
which are chosen on the basis of DISPC up/downsampling filters M value. M is
the inverse of low pass cut off frequency of the sampling filter. For vertical
scaling 3 tap or 5 tap tables are used based on the clock rate and width of
the line buffer whereas in OMAP2 3 tap is always used. For horizontal scaling
however 5 tap tables are always used.
New coefficients and the corresponding logic have been tested on OMAP2, OMAP3
and OMAP4. Horizontal and vertical scaling worked fine except for some 3 tap
vs 5 tap issue during vertical upscaling and clock failing issues which is
acknowledged in the next patch. Vertical upscaling was found to perform better
under 5 taps. The 24 coefficient tables have been moved to another file
dispc_coefs.c for proper maintainance.
This code is written based on code written by Lajos Molnar <lajos@ti.com> in
Android Kernel for scaling. Lajos Molnar <lajos@ti.com> had fine tuned the FIR
coefficient selection process and reduced outliness and blockiness around
images when upscaling more than 2 times.
Signed-off-by: Chandrabhanu Mahapatra <cmahapatra@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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extra_info_update_ongoing() goes through all overlays, but doesn't check
if the overlay is connected to a manager. This leads to a crash whenever
an overlay has been detached.
Add a check to skip the non-connected overlays.
Reported-by: Rob Clark <rob@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Make PICODLP driver on OMAP2_DSS_DPI since it is the display interface it uses.
Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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The display state parameter of omap_dss_device struct is not being set correctly
in the panel driver NEC panel driver panel-nec-nl8048hl11-01b.c. Set the correct
states in the panel's enable/disable/suspend/resume functions.
CC: Erik Gilling <konkers@android.com>
Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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The clock names of DSI_PLL_HSDIV_DISPC and DSI_PLL_HSDIV_DSI was made
dynamic based on the current value of DISPC and DSI FCLK sources. This
doesn't need to be done since we are just interested in the clock names,
and not the current clock sources for DISPC and DSI FCLKs.
Use only the generic and omap specific names for the DSI PLL's HSDIV
clocks.
Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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The functions dss_ovl_simple_check() and dss_mgr_simple_check() are not
really part of the apply mechanism, and can be moved to overlay.c and
manager.c.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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The dispc's error handler tries to disable all outputs when OCP_ERR
happens. However, the code doesn't check if there actually is a display
on each particular output, nor if there's a driver for the display. This
may lead to NULL pointer reference.
Signed-off-by: Rob Clark <rob@ti.com>
[tomi.valkeinen@ti.com: added patch description]
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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This patch converts the drivers in drivers/video/omap/* to use the
module_platform_driver() macro which makes the code smaller and a bit
simpler.
Cc: Jonathan McDowell <noodles@earth.li>
Cc: Cory Maccarrone <darkstar6262@gmail.com>
Cc: Laurent Gonzalez <palmte.linux@free.fr>
Cc: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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These symbols are not used outside it's driver so no need to
make the symbol global.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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The functions dss_ovl_check, dss_mgr_check_zorder, dss_mgr_check in
apply.c are not really part of the apply mechanism, and can be moved to
overlay.c and manager.c.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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