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| author | Lothar Waßmann <LW@KARO-electronics.de> | 2016-08-16 15:34:37 +0200 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2016-08-16 17:32:08 +0200 |
| commit | cb34d7f2dcf0d3a326ba76fe3a8e72011215dffc (patch) | |
| tree | 5786cede5964916d2ab721c3d237ed6330ccdf19 | |
| parent | drm/doc: Update drm_framebuffer docs (diff) | |
| download | linux-cb34d7f2dcf0d3a326ba76fe3a8e72011215dffc.tar.xz linux-cb34d7f2dcf0d3a326ba76fe3a8e72011215dffc.zip | |
drm: update kerneldoc for changes introduced by commits "16fadc2568e9" and "9671e228fb78"
Describe the new parameter 'bus_flags' to of_get_drm_display_mode() in
the kerneldoc comments and add kerneldoc comments to the new function
drm_bus_flags_from_videomode().
Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1471354477-25877-1-git-send-email-LW@KARO-electronics.de
| -rw-r--r-- | drivers/gpu/drm/drm_modes.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c index 15704873fd61..53f07ac7c174 100644 --- a/drivers/gpu/drm/drm_modes.c +++ b/drivers/gpu/drm/drm_modes.c @@ -657,6 +657,15 @@ void drm_display_mode_to_videomode(const struct drm_display_mode *dmode, } EXPORT_SYMBOL_GPL(drm_display_mode_to_videomode); +/** + * drm_bus_flags_from_videomode - extract information about pixelclk and + * DE polarity from videomode and store it in a separate variable + * @vm: videomode structure to use + * @bus_flags: information about pixelclk and DE polarity will be stored here + * + * Sets DRM_BUS_FLAG_DE_(LOW|HIGH) and DRM_BUS_FLAG_PIXDATA_(POS|NEG)EDGE + * in @bus_flags according to DISPLAY_FLAGS found in @vm + */ void drm_bus_flags_from_videomode(const struct videomode *vm, u32 *bus_flags) { *bus_flags = 0; @@ -677,6 +686,7 @@ EXPORT_SYMBOL_GPL(drm_bus_flags_from_videomode); * of_get_drm_display_mode - get a drm_display_mode from devicetree * @np: device_node with the timing specification * @dmode: will be set to the return value + * @bus_flags: information about pixelclk and DE polarity * @index: index into the list of display timings in devicetree * * This function is expensive and should only be used, if only one mode is to be |