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Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Signed-off-by: Dave Airlie <airlied@redhat.com>
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The omapdrm driver relies on this header to be included
implicitly, but this does not always work, and I get
this error in randconfig builds:
gpu/drm/omapdrm/dss/hdmi_phy.c: In function 'hdmi_phy_dump':
gpu/drm/omapdrm/dss/hdmi_phy.c:34:2: error: implicit declaration of function 'seq_printf' [-Werror=implicit-function-declaration]
gpu/drm/omapdrm/dss/hdmi_wp.c: In function 'hdmi_wp_dump':
gpu/drm/omapdrm/dss/hdmi_wp.c:26:2: error: implicit declaration of function 'seq_printf' [-Werror=implicit-function-declaration]
gpu/drm/omapdrm/dss/hdmi_pll.c: In function 'hdmi_pll_dump':
gpu/drm/omapdrm/dss/hdmi_pll.c:30:2: error: implicit declaration of function 'seq_printf' [-Werror=implicit-function-declaration]
This adds the #include statements in all files that have
a seq_printf statement.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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regulator_can_change_voltage() is deprecated and it's use is not necessary
as commit:
6a0028b3dd67b regulator: Deprecate regulator_can_change_voltage()
describers it clearly.
Also, regulator_set_voltage() is misused in the driver, as it is
supposed to be used only in cases where the regulator voltage needs to
be changed dynamically at runtime. In DSS's case, we always want a fixed
voltage, set in the .dts files.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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The DDC scl high and low times were set to the minimum values
from the i2c specification, but the i2c specification takes into
account the rise time and fall time to calculate the frequency.
To pass HDMI certification DDC can not exceed 100kHz therefore in
a system where the rise times and fall times are negligible the high
and low times for scl need to be 10us.
Signed-off-by: Jim Lodes <jim.lodes@garmin.com>
Signed-off-by: J.D. Schroeder <jay.schroeder@garmin.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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The AVI infoframe R0-R3 in the 2nd data byte represents the
Active Format Aspect Ratio. It is four bits long not two bits.
This fixes that mask used to extract the bits before writing the
bits to the hardware registers.
Signed-off-by: Jim Lodes <jim.lodes@garmin.com>
Signed-off-by: J.D. Schroeder <jay.schroeder@garmin.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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hdmi_core_powerdown_disable() is supposed to disable HDMI core's
power-down mode. However, the function sets the power-down bit to 0,
which means "enable power-down".
This hasn't caused any issues as the PD seems to affect only interrupts
from HDMI core, and none of those interrupts are used at the moment. CEC
functionality requires core interrupts, and the PD mode needs to be
fixed.
This patch fixes hdmi_core_powerdown_disable() to actually disable the
PD mode.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reported-by: Hans Verkuil <hverkuil@xs4all.nl>
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With certain kernel config options many omapdrm files fail to compile
due to missing include of linux/gpio/consumer.h and linux/of.h.
This patch adds those includes.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reported-by: Dan Murphy <dmurphy@ti.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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In some configurations, we can build the OMAP dss driver without
implictly including the pinctrl consumer definitions, causing
a build error:
gpu/drm/omapdrm/dss/dss.c: In function 'dss_runtime_suspend':
gpu/drm/omapdrm/dss/dss.c:1268:2: error: implicit declaration of function 'pinctrl_pm_select_sleep_state' [-Werror=implicit-function-declaration]
This adds an explicit #include.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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dispc_ovl_check() is not used anywhere, so it can be removed.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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We have removed all the uses of compat code from omapdrm and the
non-compat parts of omapdss, so now we can remove all the compat code
itself.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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We are removing the uses of 'struct omap_overlay_manager'. This patch
changes DSI driver to use 'omap_channel' instead.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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We are removing the uses of 'struct omap_overlay_manager'. This patch
changes VENC driver to use 'omap_channel' instead.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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We are removing the uses of 'struct omap_overlay_manager'. This patch
changes SDI driver to use 'omap_channel' instead.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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We are removing the uses of 'struct omap_overlay_manager'. This patch
changes HDMI4 driver to use 'omap_channel' instead.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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We are removing the uses of 'struct omap_overlay_manager'. This patch
changes HDMI5 driver to use 'omap_channel' instead.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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We are removing the uses of 'struct omap_overlay_manager'. This patch
changes DPI driver to use 'omap_channel' instead.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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The DSS output drivers check 'dssdev->manager' in disconnect()
functions. This check is not needed as the manager must always be set if
the output device was connected. Remove the check.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Both dpi and sdi check for 'mgr != NULL' in check_timings. This check is
not necessary, as mgr must always be set before check_timings. Remove
the check.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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We are removing uses of 'struct omap_overlay_manager'. This patch
changes dss_mgr_unregister_framedone_handler() to accept 'enum
omap_channel' instead of 'struct omap_overlay_manager'.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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We are removing uses of 'struct omap_overlay_manager'. This patch
changes dss_mgr_register_framedone_handler() to accept 'enum
omap_channel' instead of 'struct omap_overlay_manager'.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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We are removing uses of 'struct omap_overlay_manager'. This patch
changes dss_mgr_start_update() to accept 'enum omap_channel' instead of
'struct omap_overlay_manager'.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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We are removing uses of 'struct omap_overlay_manager'. This patch
changes dss_mgr_disable() to accept 'enum omap_channel' instead of
'struct omap_overlay_manager'.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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We are removing uses of 'struct omap_overlay_manager'. This patch
changes dss_mgr_enable() to accept 'enum omap_channel' instead of
'struct omap_overlay_manager'.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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We are removing uses of 'struct omap_overlay_manager'. This patch
changes dss_mgr_set_lcd_config() to accept 'enum omap_channel' instead
of 'struct omap_overlay_manager'.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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We are removing uses of 'struct omap_overlay_manager'. This patch
changes dss_mgr_set_timings() to accept 'enum omap_channel' instead of
'struct omap_overlay_manager'.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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We are removing uses of 'struct omap_overlay_manager'. This patch
changes dss_mgr_disconnect() to accept 'enum omap_channel' instead of
'struct omap_overlay_manager'.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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We are removing uses of 'struct omap_overlay_manager'. This patch
changes dss_mgr_connect() to accept 'enum omap_channel' instead of
'struct omap_overlay_manager'.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Use 'out->dispc_channel_connected' to check if the device is connected
to an overlay manager or not, instead of using 'out->manager'.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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We are removing the use of 'struct omap_overlay_manager' from omapdrm.
This patch changes the function pointers in 'dss_mgr_ops' to get 'enum
omap_channel' parameter instead of 'struct omap_overlay_manager'.
The change is very straightforward, as we still use 'struct
omap_overlay_manager' inside the function implementations where needed.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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In order to remove uses of 'struct omap_overlay_manager' we need to get
rid of using omapdss_find_mgr_from_display() when initializing omapdrm.
Instead of using omapdss_find_mgr_from_display() and mgr->id to find the
dispc channel used for the given display, we can instead use
omapdss_find_output_from_display(), and get the output->dispc_channel
from there.
We can also remove omapdss_find_mgr_from_display() as it's no longer
used.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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We are removing the use of the 'struct omap_overlay_manager' from
omapdrm, and one part of that is removing the use of
mgr->supported_outputs field.
This patch adds dispc_mgr_get_supported_outputs() function which can be
used instead of mgr->supported_outputs. omap_crtc.c is changed to use
the new function.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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This patch continues the work to create private versions of the
omapdss.h header for omapdrm and omapfb. This one moves the dss_mgr_*
function declarations.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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This patch continues the work to create private versions of the
omapdss.h header for omapdrm and omapfb. This one moves 'struct dss_mgr_ops'.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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omapdrm and omapfb still share the same include/video/omapdss.h. We need
to change that so that we can proceed with omapdrm work.
However, it's not trivial to make separate omapfb and omapdrm versions
of omapdss.h, as that file is also included in other places like arch
code, audio code and omap_vout code. So we'll do it piece by piece.
This patch makes private versions of all the dispc function declarations
that are in omapdss.h. For omapdrm we create a new file,
drivers/gpu/drm/omapdrm/dss/omapdss.h, which will contain headers meant
to be visible outside omapdss.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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core.c is the only caller of dss_disable_all_devices(). We can thus move
the function from display.c to core.c and make it static.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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For legacy reasons omapdss handles system suspend/resume via PM notifier
callback, where the driver disables/resumes all the outputs.
This doesn't work well with omapdrm. What happens on suspend is that the
omapdss disables the displays while omapdrm is still happily continuing
its work, possibly waiting for an vsync irq, which will never come if
the display output is disabled, leading to timeouts and errors sent to
userspace.
This patch moves the suspend/resume handling to omapdrm, and the
suspend/resume is now done safely inside modeset lock.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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DISPC requires the x resolution to be divisible by 8 when stall mode is
not used.
Add a check to the DPI driver to verify this.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Now that interlace support has been added, we can remove the check that
prevents interlace.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Add the missing bits for interlace:
* Set VBLANK_OSC if the videomode's vblank is fractional
* Halve the vertical timings for interlace
* Double the horizontal timings for double-pixel mode
* Set FC_PRCONF properly for double-pixel mode
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The HDMI driver copies the timing values one by one. Instead we can just
copy the whole struct.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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For some reason the HDMI FC's HSW value is programmed to hsw-1. There's
no indication in the documentation that this would be correct, and no
other blanking value needs -1 either.
So remove the -1.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Interlace field order is different between VENC and HDMI. The driver
currently sets the field order for VENC.
This patch adds the code to set the field order for HDMI.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The HDMI WP timings are not programmed correctly for interlace.
We need to halve the vertical timings when interlace is used, and double
the horizontal timings when pixel doubling is used.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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On OMAP4 and OMAP5 ES1.0 the HDMI_WP_VIDEO_TIMING_H:HSW field is
set directly to the HSW value. On later SoCs the field needs to be
programmed with the value of HSW-1.
Currently the driver always programs the field with the HSW value. Most
videomodes seem to work fine with that, but at least low resolution
interlaced modes don't work at all.
This patch fixes the HSW for OMAP5 ES2.0+ SoCs.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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We need double-pixel mode (pixel repetition) for interlace modes. This
patch adds the necessary support to HDMI to double the pixel clock when
double-pixel mode is used.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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We need double-pixel mode (pixel repetition) for interlace modes. This
patch adds the necessary support to DISPC to output double-pixel mode.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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We occasionally see DISPC sync-lost errors when enabling and disabling
HDMI. Sometimes we get only a few, which get handled (ignored) by the
driver, but sometimes there's a flood of the errors which doesn't seem
to stop.
The HW team has root caused this to the order in which HDMI and DISPC
are enabled/disabled. Currently we enable HDMI first, and then DISPC,
and vice versa when disabling. HW team's suggestion is to do it the
other way around.
This patch changes the order, but this has two side effects as the pixel
clock is produced by HDMI, and the clock is not running when we
enable/disable DISPC:
* When enabling DISPC first, we don't get vertical sync events
* When disabling DISPC last, we don't get FRAMEDONE event
At the moment we use both of those to verify that DISPC has been
enabled/disabled properly. Thus this patch also needs to change the
omapdrm and omapdss which handle the DISPC side.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux
Pull fbdev updates from Tomi Valkeinen:
"Summary:
- pxafb: device-tree support
- An unsafe kernel parameter 'lockless_register_fb' for debugging
problems happening while inside the console lock
- Small miscellaneous fixes & cleanups
- omapdss: add writeback support functions
- Separation of omapfb and omapdrm (see below)
About the separation of omapfb and omapdrm, see
http://permalink.gmane.org/gmane.comp.video.dri.devel/143151
for longer story. The short version:
omapfb and omapdrm have shared low level drivers (omapdss and panel
drivers), making further development of omapdrm difficult. After
these patches omapfb and omapdrm have their own versions of the
drivers, which are more or less direct copies for now but will diverge
soon.
This also means that omapfb (everything under drivers/video/fbdev/omap2/)
is now in maintenance mode, and all new development will be done for
omapdrm (drivers/gpu/drm/omapdrm/)"
* tag 'fbdev-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux: (49 commits)
video: fbdev: pxafb: fix out of memory error path
drm/omap: make omapdrm select OMAP2_DSS
drm/omap: move omapdss & displays under omapdrm
omapfb: move vrfb into omapfb
omapfb: take omapfb's private omapdss into use
omapfb/displays: change CONFIG_DISPLAY_* to CONFIG_FB_OMAP2_*
omapfb/dss: change CONFIG_OMAP* to CONFIG_FB_OMAP*
omapdss: remove CONFIG_OMAP2_DSS_VENC from omapdss.h
omapfb: copy omapdss & displays for omapfb
omapfb: allow compilation only if DRM_OMAP is disabled
fbdev: omap2: panel-dpi: simplify gpio setting
fbdev: omap2: panel-dpi: in .disable first disable backlight then display
OMAPDSS: DSS: fix a warning message
video: omapdss: delete unneeded of_node_put
OMAPDSS: DISPC: Remove boolean comparisons
OMAPDSS: DSI: cleanup DSI_IRQ_ERROR_MASK define
OMAPDSS: remove extra out == NULL checks
OMAPDSS: change internal dispc functions to static
OMAPDSS: make a two dss feat funcs internal to omapdss
OMAPDSS: remove extra EXPORT_SYMBOLs
...
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Now that omapfb has its own copy of omapdss and display drivers, we can
move omapdss and display drivers which omapdrm uses to omapdrm's
directory.
We also need to change the main drm Makefile so that omapdrm directory
is always entered, because omapdss has a file that can't be built as a
module.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Acked-by: Dave Airlie <airlied@gmail.com>
Acked-by: Rob Clark <robdclark@gmail.com>
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