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drm/imx: use bus_flags for pixel clock polarity

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This patch allows panels to set pixel clock and data enable pin polarity
other than the default of driving data at the falling pixel clock edge
and active high display enable.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
This commit is contained in:
Philipp Zabel
2016-05-09 17:02:13 +02:00
parent 7932131f63
commit 4ed094fd73
5 changed files with 25 additions and 15 deletions
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7
drivers/gpu/drm/imx/imx-drm.h
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@@ -19,7 +19,8 @@ struct imx_drm_crtc_helper_funcs {
int (*enable_vblank)(struct drm_crtc *crtc);
void (*disable_vblank)(struct drm_crtc *crtc);
int (*set_interface_pix_fmt)(struct drm_crtc *crtc,
u32 bus_format, int hsync_pin, int vsync_pin);
u32 bus_format, int hsync_pin, int vsync_pin,
u32 bus_flags);
const struct drm_crtc_helper_funcs *crtc_helper_funcs;
const struct drm_crtc_funcs *crtc_funcs;
};
@@ -41,8 +42,8 @@ void imx_drm_mode_config_init(struct drm_device *drm);
struct drm_gem_cma_object *imx_drm_fb_get_obj(struct drm_framebuffer *fb);
int imx_drm_set_bus_format_pins(struct drm_encoder *encoder,
u32 bus_format, int hsync_pin, int vsync_pin);
int imx_drm_set_bus_config(struct drm_encoder *encoder, u32 bus_format,
int hsync_pin, int vsync_pin, u32 bus_flags);
int imx_drm_set_bus_format(struct drm_encoder *encoder,
u32 bus_format);