openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

drm: Make drm_crtc_check_viewport non-static 

This function will be used by the universal plane helpers and may also
be useful for individual drivers.

Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
Matt Roper 2014-04-01 15:22:34 -07:00 committed by Rob Clark
parent 2b79dc13dc
commit af93629d15
2 changed files with 17 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
drivers/gpu/drm/drm_crtc.c
View File

@ -2186,14 +2186,19 @@ int drm_mode_set_config_internal(struct drm_mode_set *set)
}
EXPORT_SYMBOL(drm_mode_set_config_internal);
/*
* Checks that the framebuffer is big enough for the CRTC viewport
* (x, y, hdisplay, vdisplay)
/**
* drm_crtc_check_viewport - Checks that a framebuffer is big enough for the
* CRTC viewport
* @crtc: CRTC that framebuffer will be displayed on
* @x: x panning
* @y: y panning
* @mode: mode that framebuffer will be displayed under
* @fb: framebuffer to check size of
*/
static int drm_crtc_check_viewport(const struct drm_crtc *crtc,
int x, int y,
const struct drm_display_mode *mode,
const struct drm_framebuffer *fb)
int drm_crtc_check_viewport(const struct drm_crtc *crtc,
int x, int y,
const struct drm_display_mode *mode,
const struct drm_framebuffer *fb)
{
int hdisplay, vdisplay;
@ -2224,6 +2229,7 @@ static int drm_crtc_check_viewport(const struct drm_crtc *crtc,
return 0;
}
EXPORT_SYMBOL(drm_crtc_check_viewport);
/**
* drm_mode_setcrtc - set CRTC configuration

4
include/drm/drm_crtc.h
View File

@ -882,6 +882,10 @@ extern int drm_plane_init(struct drm_device *dev,
bool priv);
extern void drm_plane_cleanup(struct drm_plane *plane);
extern void drm_plane_force_disable(struct drm_plane *plane);
extern int drm_crtc_check_viewport(const struct drm_crtc *crtc,
int x, int y,
const struct drm_display_mode *mode,
const struct drm_framebuffer *fb);
extern void drm_encoder_cleanup(struct drm_encoder *encoder);