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Non-DT booting is no longer supported, so remove legacy code.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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We only use read_irqenable() to flush posted write. Instead of having a
separate function for this, do the flush implicitly in write_irqenable().
Thus we can remove read_irqenable().
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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At the moment we have ovl_set_channel_out() to configure the output
channel of an overlay. It makes sense to have this configuration as part
of the rest of overlay configuration, and in DSS6+ we need the output
channel when doing the other overlay configuration.
This patch adds a 'channel' parameter to ovl_setup(), so that all
overlay configuration is done via the same function, and removes the
ovl_set_channel_out().
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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ovl_enabled() is not used anywhere, so remove it.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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The default display name is both unused and never set by platform data.
Remove default display name module parameter, platform data field and
runtime infrastructure.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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The OMAP driver has its own OF graph helpers that are similar to the
common helpers. This commit replaces most of the calls with the common
helpers. There's still a couple of custom helpers left, but the driver
needs more extensive changes to get rid of them.
In dss_init_ports, we invert the loop, looping through the known ports
and matching them to DT nodes rather than looping thru DT nodes and
matching them to the ports.
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sean Paul <seanpaul@chromium.org>
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The enum omap_plane conflicted with the same struct name for omapdrm
plane private data. This rename should solve the conflict.
The rename was implement with this very simple coccinelle patch:
------------------------
@@
@@
enum
-omap_plane
+omap_plane_id
------------------------
The patch was applied like this:
spatch --sp-file <cocci_file> --all-includes --in-place --dir drivers/gpu/drm/omapdrm
The above patch did not rename the actual enum definition. That was
added manually on top of the spatch changes.
Signed-off-by: Jyri Sarha <jsarha@ti.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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When omapdss is loaded (all core components are in place) create a list of
devices used in the display graph. This list later can be used by omapdrm
via the omapdss_stack_is_ready() function to check that these components
are loaded. Based on this information, omapdrm can defer probe in case when
the omapdss stack is not ready yet.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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The functions can be used to check a component (by it's of_node) if it is
part of the omapdss display or output list. If the component is found, it
means that the driver is loaded.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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DSS uses "replication logic" to convert color components from smaller
bit widths to bigger bit widths. Without replication logic, the color
component would be shifted and the least significant bits would be left
at 0, whereas with replication logic, the least significat bits will be
filled with the most significant bit.
For some reason omapdrm leaves replication logic always to off, which,
in the most common case, means that showing 16-bit RGB colors on 24-bit
display gives a bit darker colors than expected.
The reset value of the replication logic bit is enabled, and it should
always be set, as there's no practical reason to disable it. This patch
removes the option to disable it from omapdrm, and always sets it to
enabled in dispc.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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omapdrm now uses dispc_ops instead of direct function calls so we can
remove all EXPORT_SYMBOLs from dispc. Most of the functions can also be
made static, but a few are used outside dispc.c.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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We want to change the dispc API from plain functions to a struct with
functions pointers, so that omapdrm can call either omapdss or omapdss6
depending on the platform.
This patch adds 'struct dispc_ops' and adds functions to omapdss-base
to set and get the ops.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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omapdrm still uses a few non-dispc functions: dss_feat_get_num_mgrs(),
dss_feat_get_num_ovls() and dss_feat_get_supported_color_modes(). We
want to provide omapdrm a single dispc_ops function pointer struct so
that omapdrm will use either the current omapdss or the new omapdss6
driver depending on the platform.
Those three functions are really dispc functions, but are located in the
dss_features.c for legacy reasons.
This patch adds similar functionss to the dispc, and changes omapdrm to
use those new functions. Underneath the functions still call the
functions from dss_feature.c.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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This patch moves the common parts of omapdss to omapdss-base so that
both the current omapdss driver and the new omapdss6 driver can use
them.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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omapdss_is_initialized() is used to find out if omapdss has been probed
successfully. This patch moves the related code to the common
omapdss-base module, so that the same support will be there for both
omapdss and omapdss6.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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The omapdrm DSS manager enable/disable operations check the DSS manager
state to avoid double enabling/disabling. Check the CRTC software state
instead to decrease the dependency of the DRM layer to the DSS layer.
The dispc_mgr_is_enabled() function then be turned into a static
function, but needs to be moved up in its compilation unit to avoid a
forward declaration.
Add a WARN_ON to catch double enable or disable that should be prevented
by the DRM core and would be a clear sign of a bug. The warning should
eventually be removed.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-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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omap_video_timings struct have the same members as struct videomode, but
their types are different. As first step change the types of the
omap_video_timings struct members to match their counterpart in
struct videomode to catch any type cast related issues.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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In preparation to move the stack to use the generic videmode struct for
display timing information use display_flags for sync edge.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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In preparation to move the stack to use the generic videmode struct for
display timing information use display_flags for pixel data edge.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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In preparation to move the stack to use the generic videmode struct for
display timing information use display_flags for double_pixel mode.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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In preparation to move the stack to use the generic videmode struct for
display timing information use display_flags for DE level.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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In preparation to move the stack to use the generic videmode struct for
display timing information use display_flags for h/vsync level.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Remove the interlace member and add display_flags to omap_video_timings to
configure the interlace mode.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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In preparation to move the stack to use the generic videmode struct for
display timing information rename the vbp member to vback_porch.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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In preparation to move the stack to use the generic videmode struct for
display timing information rename the vfp member to vfront_porch.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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In preparation to move the stack to use the generic videmode struct for
display timing information rename the vsw member to vsync_len.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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In preparation to move the stack to use the generic videmode struct for
display timing information rename the hbp member to hback_porch.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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In preparation to move the stack to use the generic videmode struct for
display timing information rename the hfp member to hfront_porch.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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In preparation to move the stack to use the generic videmode struct for
display timing information rename the hsw member to hsync_len.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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In preparation to move the stack to use the generic videmode struct for
display timing information rename the y_res member to vactive.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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In preparation to move the stack to use the generic videmode struct for
display timing information rename the x_res member to hactive.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Add gamma table support to DSS dispc.
DSS driver initializes the default gamma table at component bind time
and holds a copy of all gamma tables in its internal data structure.
Each call to dispc_mgr_set_gamma() updates the internal table and
triggers write to the HW, if it is enabled. The tables are restored to
HW in PM resume callback. The drivers internal data structure match
the HW tables in size and in number of significant bits per color
component. The dispc_mgr_set_gamma() converts the size of any given
table for the internal data structure using linear interpolation.
Default gamma table is restored if NULL is given in place of gamma
lut.
dispc_mgr_gamma_size() gives HW gamma table size for the channel and
returns 0 if gamma table is not supported by the HW or the DSS driver.
Signed-off-by: Jyri Sarha <jsarha@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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Move the contents of the video/omapdss.h header file to omapdrm/dss local
header file and remove the original global header. The omapfb stach is
using video/omapfb_dss.h so this change will complete the separation of the
two driver implementation.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@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 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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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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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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