On Tue, Jul 12, 2016 at 03:30:02PM +0200, Lothar Waßmann wrote:
add a helper function to extract information about pixel clock and DE polarity from DT for use by of_get_drm_display_mode(). While at it, convert spaces to tabs in indentation in drm_modes.h.
Signed-off-by: Lothar Waßmann LW@KARO-electronics.de
drivers/gpu/drm/drm_modes.c | 15 +++++++++++++++ include/drm/drm_modes.h | 3 ++- 2 files changed, 17 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c index fc5040a..51804e5 100644 --- a/drivers/gpu/drm/drm_modes.c +++ b/drivers/gpu/drm/drm_modes.c @@ -657,6 +657,21 @@ void drm_display_mode_to_videomode(const struct drm_display_mode *dmode, } EXPORT_SYMBOL_GPL(drm_display_mode_to_videomode);
+void drm_bus_flags_from_videomode(const struct videomode *vm, u32 *bus_flags)
Missing kerneldoc. Please create a patch to fix that so I can pick it up. Thanks. -Daniel
+{
- *bus_flags = 0;
- if (vm->flags & DISPLAY_FLAGS_PIXDATA_POSEDGE)
*bus_flags |= DRM_BUS_FLAG_PIXDATA_POSEDGE;- if (vm->flags & DISPLAY_FLAGS_PIXDATA_NEGEDGE)
*bus_flags |= DRM_BUS_FLAG_PIXDATA_NEGEDGE;- if (vm->flags & DISPLAY_FLAGS_DE_LOW)
*bus_flags |= DRM_BUS_FLAG_DE_LOW;- if (vm->flags & DISPLAY_FLAGS_DE_HIGH)
*bus_flags |= DRM_BUS_FLAG_DE_HIGH;+} +EXPORT_SYMBOL_GPL(drm_bus_flags_from_videomode);
#ifdef CONFIG_OF /**
- of_get_drm_display_mode - get a drm_display_mode from devicetree
diff --git a/include/drm/drm_modes.h b/include/drm/drm_modes.h index ff48177..a8164d2 100644 --- a/include/drm/drm_modes.h +++ b/include/drm/drm_modes.h @@ -434,7 +434,7 @@ struct drm_cmdline_mode; struct drm_display_mode *drm_mode_create(struct drm_device *dev); void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode); void drm_mode_convert_to_umode(struct drm_mode_modeinfo *out,
const struct drm_display_mode *in);
const struct drm_display_mode *in);int drm_mode_convert_umode(struct drm_display_mode *out, const struct drm_mode_modeinfo *in); void drm_mode_probed_add(struct drm_connector *connector, struct drm_display_mode *mode); @@ -457,6 +457,7 @@ void drm_display_mode_from_videomode(const struct videomode *vm, struct drm_display_mode *dmode); void drm_display_mode_to_videomode(const struct drm_display_mode *dmode, struct videomode *vm); +void drm_bus_flags_from_videomode(const struct videomode *vm, u32 *bus_flags); int of_get_drm_display_mode(struct device_node *np, struct drm_display_mode *dmode, int index); -- 2.1.4