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Constify many pointers to struct videomode, as well as pointers to
container structures, to ensure the video mode isn't modified after
the .check_timings() operation.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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The omap_hdmi private data structure is currently stored as a global
variable. While no platform with multiple HDMI4 encoders currently
exists nor is planned, this doesn't comply with the kernel device model
and should thus be fixed.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
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To simplify implementation of debugfs seq_file show handlers, the driver
passes the pointer to the show function through the debugfs_create_file
data pointer. This prevents using the pointer to pass driver private
data to the show handler, and requires all handlers to use global
variables to access private data.
To prepare for the removal of global private data in the driver, rework
the debugfs infrastructure to allow passing a private data pointer to
show handlers.
The price to pay is explicit removal of debugfs files to free the
internally allocated memory. This is desirable anyway as debugfs entries
should be removed when a component driver is unbound, otherwise crashes
will occur due to access to freed memory when the components will be
dynamically allocated instead of stored in global variables.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
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This removes the need to access the global DSS private data in those
functions (both for the current accesses and the future ones that will
be introduced when allocating the DSS device dynamically).
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
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To prepare for the removal of the global variable storing DSS private
data, pass its pointer to the dss_runtime_{get,put}() functions.
As this requires getting hold of the dss_device structure in the
callers, we add a new dss_get_device() function to retrieve it. The
function currently returns a pointer to the global data structure, and
will later be updated to get the pointer from device driver data when
the DSS private structure will be allocated dynamically.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
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Extend the hdmi_core_data struct with the additional fields needed
for CEC.
Also fix a simple typo in a comment.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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The OMAP4 and OMAP5 HDMI PHYs have different properties that require
specific handling in the HDMI PHY driver. This needs knowledge of the
PHY version, which is currently inferred from the DSS version. As part
of the effort to remove usage of the DSS version, use the HDMI
controller version instead.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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The HDMI wrapper code only needs to differentiate between major OMAP
revisions, which can be obtained from the HDMI transmitter compatible
string. Replace the OMAP SoC model checks to prepare for removal of the
OMAP SoC version platform data.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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The FEAT_HDMI_* features are specific to the HDMI4, move them from the
omap_dss_features structure to the hdmi4 driver.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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PHY features are stored in a global variable, while they should be
properties of the PHY object. As existing OMAP platforms have a single
HDMI PHY this doesn't cause any issue, but doesn't follow the driver
model.
Move the PHY features to the HDMI PHY data structure to follow the
driver model and pave the road for multiple HDMI PHYs support.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Use 'vm' to refer to a struct videomode instead of 'p', 't', 'timings' or
something else.
The code will be easier to follow if we use consistent names.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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omap_video_timings can be replaced with the generic videomode in omapdrm
and the omap_video_timings can be removed.
This patch will replace the omap_video_timings with videomode.
With the change we no longer need the functions to convert to/from
videomode and drm_display_mode to omap_video_timings, these can be removed
as well.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Merge omapdss public header refactoring, which separates the public
header into omapdrm and omapfb parts.
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All drivers to include the omapdrm/dss/omapdss.h header file. This header
includes the <video/omapdss.h>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
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Clean up the header files regarding to hdmi audio so the omap-hdmi-audio.h
file will only need to include the platform_data/omapdss.h file.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
CC: Mark Brown <broonie@kernel.org>
CC: Jyri Sarha <jsarha@ti.com>
CC: Liam Girdwood <liam.r.girdwood@linux.intel.com>
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Move hdmi_pll_compute(), used to calculate the config for HDMI PLL, from
hdmi_pll.c to pll.c, with the name of dss_pll_calc_b(), to make it
available to non-HDMI users.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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To make it possible to use HDMI PLL for other video outputs than HDMI,
the HDMI PLL code needs to do runtime_get/put for the HDMI IP, so that
the IP (include the PLL) is enabled.
To do that we also need to store the HDMI pdev in the hdmi_pll_data.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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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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