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Links between DSS entities are made in dss_init_connections() when a panel
device is registered, and are removed in dss_uninit_connections() when the
device is unregistered. Modify these functions to incorporate the addition of
outputs.
The fields in omap_dss_device struct gives information on which output and
manager to connect to. The desired manager and output pointers are retrieved and
prepared to form the desired links. The output is linked to the device, and then
the manager to the output.
A helper function omapdss_get_output_from_device() is created to retrieve the
output from the display by checking it's type, and the module id in case of DSI.
Signed-off-by: Archit Taneja <archit@ti.com>
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With the introduction of output entities, managers will now connect to outputs.
Use the helper op for managers named get_device. This will abstract away the
information on how to get the device from an overlay manager.
Using the helper function will reduce the number of pointer dereferences a user
of OMAPDSS needs to do and reduce risk of a NULL dereference.
Signed-off-by: Archit Taneja <archit@ti.com>
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With the introduction of output entities, managers will now connect to outputs.
Use the helper op for overlays named get_device. This will abstract away the
information on how to get the device from an overlay.
Using the helper function will reduce the number of pointer dereferences a user
of OMAPDSS needs to do and reduce risk of a NULL dereference.
Signed-off-by: Archit Taneja <archit@ti.com>
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With the introduction of output entities, managers will now connect to outputs.
Use the helper op for overlays named get_device. This will abstract away the
information on how to get the omap_dss_device pointer from an overlay.
Using the helper function will reduce the number of pointer dereferences a user
of OMAPDSS needs to do and reduce risk of a NULL dereference.
Cc: Vaibhav Hiremath <hvaibhav@ti.com>
Signed-off-by: Archit Taneja <archit@ti.com>
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With the introduction of output entities, managers will now connect to outputs.
Create helper ops for overlays and managers named get_device. This will abstract
away the information on how to get the device from an overlay or an overlay
manager. The get_device ops currently retrieve the output via a
ovl->manager->device reference. This will be later replaced by
ovl->manager->output->device references.
Signed-off-by: Archit Taneja <archit@ti.com>
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Add set_output/unset_output ops for overlay managers, these form links between
managers and outputs. Create a function in dss features which tell all the
output instances that connect to a manager, use it when a manager tries to set
an output. Add a constraint of not unsetting an output when the manager is
enabled.
Keep the omap_dss_device pointer and set/unset_device ops in overlay_manager for
now to not break things. Keep the dss feature function get_supported_displays
as it's used in some places. These will be removed later.
Signed-off-by: Archit Taneja <archit@ti.com>
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An output entity represented by the struct omap_dss_output connects to a
omap_dss_device entity. Add functions to set or unset an output's device. This
is similar to how managers and devices were connected previously. An output can
connect to a device without being connected to a manager. However, the output
needs to eventually connect to a manager so that the connected panel can be
enabled.
Keep the omap_overlay_manager pointer in omap_dss_device for now to prevent
breaking things. This will be removed later when outputs are supported
completely.
Signed-off-by: Archit Taneja <archit@ti.com>
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Add output structs to output driver's private data. Register output instances by
having an init function in the probes of the platform device drivers for
different outputs. The *_init_output for each output registers the output and
fill up the output's plaform device, type and id fields. The *_uninit_output
functions unregister the output.
In the probe of each interface driver, the output entities are initialized
before the *_probe_pdata() functions intentionally. This is done to ensure that
the output entity is prepared before the panels connected to the output are
registered. We need the output entities to be ready because OMAPDSS will try
to make connections between overlays, managers, outputs and devices during the
panel's probe.
Signed-off-by: Archit Taneja <archit@ti.com>
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The current OMAPDSS design contains 3 software entities: Overlays, Managers and
Devices. These map to pipelines, overlay managers and the panels respectively in
hardware. One or more overlays connect to a manager to represent a composition,
the manager connects to a device(generally a display) to display the content.
The part of DSS hardware which isn't represented by any of the above entities
are interfaces/outputs that connect to an overlay manager, i.e blocks like DSI,
HDMI, VENC and so on. Currently, an overlay manager directly connects to the
display, and the output to which it is actually connected is ignored. The panel
driver of the display is responsible of calling output specific functions to
configure the output.
Adding outputs as a new software entity gives us the following benefits:
- Have exact information on the possible connections between managers and
outputs: A manager can't connect to each and every output, there only limited
hardware links between a manager's video port and some of the outputs.
- Remove hacks related to connecting managers and devices: Currently, default
links between managers and devices are set in a not so clean way. Matching is
done via comparing the device type, and the display types supported by the
manager. This isn't sufficient to establish all the possible links between
managers, outputs and devices in hardware.
- Make panel drivers more generic: The DSS panel drivers currently call
interface/output specific functions to configure the hardware IP. When making
these calls, the driver isn't actually aware of the underlying output. The
output driver extracts information from the panel's omap_dss_device pointer
to figure out which interface it is connected to, and then configures the
corresponding output block. An example of this is when a DSI panel calls
dsi functions, the dsi driver figures out whether the panel is connected
to DSI1 or DSI2. This isn't correct, and having output as entities will
give the panel driver the exact information on which output to configure.
Having outputs also gives the opportunity to make panel drivers generic
across different platforms/SoCs, this is achieved as omap specific output
calls can be replaced by ops of a particular output type.
- Have more complex connections between managers, outputs and devices: OMAPDSS
currently doesn't support use cases like 2 outputs connect to a single
device. This can be achieved by extending properties of outputs to connect to
more managers or devices.
- Represent writeback as an output: The writeback pipeline fits well in OMAPDSS
as compared to overlays, managers or devices.
Add a new struct to represent outputs. An output struct holds pointers to the
manager and device structs to which it is connected. Add functions which can
register/unregister an output, or look for one. Create an enum which represent
each output instance.
Signed-off-by: Archit Taneja <archit@ti.com>
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The functions dss_mgr_wait_for_go() and dss_mgr_wait_for_go_ovl() check if there
is an enabled display connected to the manager before trying to see the state of
the GO bit.
The checks related to the display can be replaced by checking the state of the
manager, i.e, whether the manager is enabled or not. This makes more sense than
checking with the connected display as the GO bit behaviour is more connected
with the manager state rather than the display state. A GO bit can only be set
if the manager is enabled. If a manager isn't enabled, we can safely assume that
the GO bit is not set.
Signed-off-by: Archit Taneja <archit@ti.com>
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Many of the DSI functions receive the connected panel's omap_dss_device pointer
as an argument. The platform device pointer is then derived via omap_dss_device
pointers.
Most of these functions don't really require omap_dss_device pointer anymore
since we now keep copies of parameters in the driver data which were previously
available only via omap_dss_device. Replace the arguments with platform device
pointers for such functions.
Signed-off-by: Archit Taneja <archit@ti.com>
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tlpx_half bit field in DSI_DSIPHY_CFG1 is [20,16], not [22,16] as
accessed in the code currently. Fix this.
The bug should not have caused any problems on OMAP3/4, as the bits
21,22 are unused. They are used on OMAP5, though.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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In OMAP4 and OMAP5 when TILER 2D burst mode is used, a maximum of one line can
be skipped as per the respective TRMs. The MBlockStride OCP signal, which is
sum of ROWINC and image width in memory, is only 17 bits wide. In 2D mode TILER
supports 8192, 16384, 32768 and 65536 values of MBlockStride. In case when 2 or
more lines are skipped the ROWINC value exceeds 65536 resulting in OCP errors.
So, maximum vertical predecimation achievable is 2.
Signed-off-by: Chandrabhanu Mahapatra <cmahapatra@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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This series adds basic OMAP5 DSS functionality, mainly related to DSS core, DPI
and DSI.
* omap5-dss:
OMAPDSS: DSI: make OMAP2_DSS_DSI depend on ARCH_OMAP5
OMAPDSS: DSI: Add code to disable PHY DCC
OMAPDSS: DSI: Add new linebuffer size for OMAP5
OMAPDSS: DSI: Add FEAT_DSI_PLL_REFSEL
OMAPDSS: DSI: Add FEAT_DSI_PLL_SELFREQDCO
OMAPDSS: Add support for DPI source selection
OMAPDSS: move dss feats to the end of dss.c
OMAPDSS: Add basic omap5 features to dss and dispc
OMAPDSS: DSI: improve DSI clock calcs for DISPC
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This series contains patches that change how omapdss's panel devices
(omap_dss_device) are initialized and registered. There are two patches that
change behaviour, the rest are just cleanups:
The patch "omap_dss_register_device() doesn't take display index" affects the
number for the "displayX" sysfs files. This hopefully doesn't affect the
userspace, as the number has never been a clear indication of what the
particular display is.
The patch "register only one display device per output" affects how panel
devices are created. Currently we support multiple panels per output, i.e. you
could have DVI and an LCD displays using the same DPI output, as long as the
DVI and LCD are not used at the same time.
This patch changes the omapdss driver to only register one display device per
output. If there are multiple displays for the output, either the first one is
picked or, if def_display has been defined in kernel parameters and the
def_display is one of the displays for this output, the def_display is picked.
See the patch for more information.
OMAPDSS: alloc dssdevs dynamically
OMAPDSS: cleanup dss_recheck_connections further
OMAPDSS: cleanup dss_recheck_connections
OMAPDSS: handle errors in dss_init_device
OMAPDSS: explicitely initialize dssdev->channel for new displays
OMAPDSS: register only one display device per output
OMAPDSS: Add dss_get_default_display_name()
OMAPDSS: omap_dss_register_device() doesn't take display index
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On our AM3505 based board, dpi.c complains that there is no VDDS_DSI
regulator and the framebuffer cannot be enabled. However, this check
does not seem to apply to AM3505/17 chips.
This patch adds new features list for AM35xxx, which is the same as for
OMAP3 except the VDDS_DSI is removed.
Signed-off-by: Raphael Assenat <raph@8d.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Change omapdss Kconfig file to make OMAP2_DSS_DSI depend on ARCH_OMAP5.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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OMAP5 DSI PHY has DCC (Duty Cycle Corrector) block, and by default DCC
is enabled and thus the PLL clock is divided by 2 to get the DSI DDR
clk. This divider has been 4 for all previous OMAPs, and changing it
needs some reorganization of the code. The DCC can be disabled, and in
that case the divider is back to the old 4.
This patch adds dss feature for the DCC, and adds code to always disable
the DCC.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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OMAP5's DSI has a larger line buffer than earlier OMAPs. This patch adds
support for this to the DSI driver.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Add FEAT_DSI_PLL_REFSEL. OMAP5's DSI PLL needs configuration to select
the reference clock to be used. We always use SYSCLK.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Add FEAT_DSI_PLL_SELFREQDCO. OMAP5's DSI PLL has a new configuration
option that needs to be programmed depending on the PLL's output clock
frequency.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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We can select the video source for DPI output as follows:
OMAP2/3: always LCD1
OMAP4: LCD2 or DIGIT
OMAP5: LCD1/LCD2/LCD3/DIGIT
This patch adds support to select the source, and makes dpi.c call the
function to set the source.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Cc: David Anders <x0132446@ti.com>
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Move dss_features to the end of dss.c the same way they are in dispc.c,
so that we don't have to declare prototypes for static feat-related
functions.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Add basic omap5 features for dss and dispc.
Signed-off-by: Archit Taneja <archit@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Commit ee144e645a081daad5de1ccac77f0a0e98e6a67b added
dsi_pll_calc_ddrfreq() which calculates PLL dividers based on given DSI
bus clock speed. The function works ok, but it can be improved for the
DISPC clock calc.
The current version calculates the clock going from the PLL to the DISPC
simply by setting the clock as close to DISPC maximum as possible, and
the pixel clock is calculated based on that.
This patch changes the function to calculate DISPC clock more
dynamically, iterating through different DISPC clocks and pixel clock
values, and thus we'll get more suitable pixel clocks.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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'dsim' is allocated and checked for NULL in the probe function.
Hence this check is redundant. This cleanup also fixes a potential NULL
pointer dereference error when dsim which is NULL references its member
in the error print message.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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This code is never executed and hence removed.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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This driver doesn't need to use these mach includes so remove
them. This is a necessary step to support a single zImage.
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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Convert a nonnegative error return code to a negative one, as returned
elsewhere in the function.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
(
if@p1 (\(ret < 0\|ret != 0\))
{ ... return ret; }
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ret@p1 = 0
)
... when != ret = e1
when != &ret
*if(...)
{
... when != ret = e2
when forall
return ret;
}
// </smpl>
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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Convert a nonnegative error return code to a negative one, as returned
elsewhere in the function.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
(
if@p1 (\(ret < 0\|ret != 0\))
{ ... return ret; }
|
ret@p1 = 0
)
... when != ret = e1
when != &ret
*if(...)
{
... when != ret = e2
when forall
return ret;
}
// </smpl>
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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Convert a nonnegative error return code to a negative one, as returned
elsewhere in the function.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
(
if@p1 (\(ret < 0\|ret != 0\))
{ ... return ret; }
|
ret@p1 = 0
)
... when != ret = e1
when != &ret
*if(...)
{
... when != ret = e2
when forall
return ret;
}
// </smpl>
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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Convert a nonnegative error return code to a negative one, as returned
elsewhere in the function.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
(
if@p1 (\(ret < 0\|ret != 0\))
{ ... return ret; }
|
ret@p1 = 0
)
... when != ret = e1
when != &ret
*if(...)
{
... when != ret = e2
when forall
return ret;
}
// </smpl>
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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Convert a nonnegative error return code to a negative one, as returned
elsewhere in the function.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
(
if@p1 (\(ret < 0\|ret != 0\))
{ ... return ret; }
|
ret@p1 = 0
)
... when != ret = e1
when != &ret
*if(...)
{
... when != ret = e2
when forall
return ret;
}
// </smpl>
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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Convert a nonnegative error return code to a negative one, as returned
elsewhere in the function.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
(
if@p1 (\(ret < 0\|ret != 0\))
{ ... return ret; }
|
ret@p1 = 0
)
... when != ret = e1
when != &ret
*if(...)
{
... when != ret = e2
when forall
return ret;
}
// </smpl>
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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Convert a nonnegative error return code to a negative one, as returned
elsewhere in the function.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
(
if@p1 (\(ret < 0\|ret != 0\))
{ ... return ret; }
|
ret@p1 = 0
)
... when != ret = e1
when != &ret
*if(...)
{
... when != ret = e2
when forall
return ret;
}
// </smpl>
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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Convert a nonnegative error return code to a negative one, as returned
elsewhere in the function.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
(
if@p1 (\(ret < 0\|ret != 0\))
{ ... return ret; }
|
ret@p1 = 0
)
... when != ret = e1
when != &ret
*if(...)
{
... when != ret = e2
when forall
return ret;
}
// </smpl>
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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Convert a nonnegative error return code to a negative one, as returned
elsewhere in the function.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
(
if@p1 (\(ret < 0\|ret != 0\))
{ ... return ret; }
|
ret@p1 = 0
)
... when != ret = e1
when != &ret
*if(...)
{
... when != ret = e2
when forall
return ret;
}
// </smpl>
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
|
|
Convert a nonnegative error return code to a negative one, as returned
elsewhere in the function.
A simplified version of the semantic match that finds this problem is as
follows: (http://coccinelle.lip6.fr/)
// <smpl>
(
if@p1 (\(ret < 0\|ret != 0\))
{ ... return ret; }
|
ret@p1 = 0
)
... when != ret = e1
when != &ret
*if(...)
{
... when != ret = e2
when forall
return ret;
}
// </smpl>
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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The value of AUX channel differential amplitude current is changed
from 8 mA to 16 mA, in order to increase AUX channel voltage level.
In this case, AUX channel voltage level can be changed from 400 mV
to 800 mV, when resistance between AUX TX and RX is 100 ohm.
According to DP spec, although the normative voltage level is 390 mV,
the informative voltage level is 430 mV. So, 800 mV can be helpful
to improve voltage margin of AUX channel.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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This patch adds bit-masking for LINK_TRAINING_CTL register, when
pre-emphasis level is set. The bit 3 and bit 2 of LINK_TRAINING_CTL
register are used for pre-emphasis level setting, so other bits
should be masked.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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This patch fixes the checkpatch warnings listed below:
WARNING: usleep_range should not use min == max args; see Documentation/timers/timers-howto.txt
WARNING: quoted string split across lines
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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printk calls are replaced by pr_* and dev_* calls to silence
checkpatch warnings.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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Use devm_request_and_ioremap instead of request_mem_region + devm_ioremap.
This also fixes the following compile error introduced in commit b2ca7f4d
("drivers/video/jz4740_fb.c: use devm_ functions"):
drivers/video/jz4740_fb.c: In function 'jzfb_probe':
drivers/video/jz4740_fb.c:676:2: error: implicit declaration of function 'devm_ioremap'
drivers/video/jz4740_fb.c:676:13: warning: assignment makes pointer from integer without a cast
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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removes unnecessary semicolon
Found by Coccinelle: http://coccinelle.lip6.fr/
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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It doesn't seem these spinlocks were properly initialized.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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Using list_move_tail() instead of list_del() + list_add_tail().
spatch with a semantic match is used to found this problem.
(http://coccinelle.lip6.fr/)
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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As detailed in the thread titled "viafb PLL/clock tweaking causes XO-1.5
instability," enabling or disabling the IGA1/IGA2 clocks causes occasional
stability problems during suspend/resume cycles on this platform.
This is rather odd, as the documentation suggests that clocks have two
states (on/off) and the default (stable) configuration is configured to
enable the clock only when it is needed. However, explicitly enabling *or*
disabling the clock triggers this system instability, suggesting that there
is a 3rd state at play here.
Leaving the clock enable/disable registers alone solves this problem.
This fixes spurious reboots during suspend/resume behaviour introduced by
commit b692a63a.
Signed-off-by: Daniel Drake <dsd@laptop.org>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Cc: stable@vger.kernel.org
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equalization
To check channel equalization, the value of LANE_ALIGN_STATUS_UPDATED is
necessary in exynos_dp_channel_eq_ok(). Also, link_align includes this value.
However, link_status does not include this value, so it makes the problem
that channel equalization is failed during link training.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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It is expected that LCDC to continue to be disabled after
resume if it is blanked before suspend. This is also true
for DVFS. But it is observed that LCDC being enabled after
suspend/resume cycle or DVFS.
Correcting it by having check for FB_BLANK_UNBLANK before
enabling.
Signed-off-by: Manjunathappa, Prakash <prakash.pm@ti.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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This fixes below build error:
CC [M] drivers/video/mbx/mbxfb.o
drivers/video/mbx/mbxfb.c: In function 'mbxfb_probe':
drivers/video/mbx/mbxfb.c:942:2: error: implicit declaration of function 'devm_ioremap_nocache' [-Werror=implicit-function-declaration]
drivers/video/mbx/mbxfb.c:942:22: warning: assignment makes pointer from integer without a cast [enabled by default]
drivers/video/mbx/mbxfb.c:952:21: warning: assignment makes pointer from integer without a cast [enabled by default]
cc1: some warnings being treated as errors
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
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