* [PATCH V2] drm: update kerneldoc for changes introduced by commits "16fadc2568e9" and "9671e228fb78"
@ 2016-08-16 13:34 Lothar Waßmann
2016-08-16 15:38 ` Daniel Vetter
0 siblings, 1 reply; 2+ messages in thread
From: Lothar Waßmann @ 2016-08-16 13:34 UTC (permalink / raw)
To: Philipp Zabel; +Cc: kernel, dri-devel, Lothar Waßmann
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>
---
Changes vs. v1:
- added missing characters
drivers/gpu/drm/drm_modes.c | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c
index 1570487..53f07ac 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
--
2.1.4
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^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH V2] drm: update kerneldoc for changes introduced by commits "16fadc2568e9" and "9671e228fb78"
2016-08-16 13:34 [PATCH V2] drm: update kerneldoc for changes introduced by commits "16fadc2568e9" and "9671e228fb78" Lothar Waßmann
@ 2016-08-16 15:38 ` Daniel Vetter
0 siblings, 0 replies; 2+ messages in thread
From: Daniel Vetter @ 2016-08-16 15:38 UTC (permalink / raw)
To: Lothar Waßmann; +Cc: dri-devel, kernel
On Tue, Aug 16, 2016 at 03:34:37PM +0200, Lothar Waßmann wrote:
> 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>
Applied to drm-misc, thanks.
-Daniel
> ---
> Changes vs. v1:
> - added missing characters
>
> drivers/gpu/drm/drm_modes.c | 10 ++++++++++
> 1 file changed, 10 insertions(+)
>
> diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c
> index 1570487..53f07ac 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
> --
> 2.1.4
>
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
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2016-08-16 13:34 [PATCH V2] drm: update kerneldoc for changes introduced by commits "16fadc2568e9" and "9671e228fb78" Lothar Waßmann
2016-08-16 15:38 ` Daniel Vetter
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