diff options
| author |   Ville Syrjälä <ville.syrjala@linux.intel.com> | 2012-03-13 12:35:51 +0200 |
|---|---|---|
| committer |   Dave Airlie <airlied@redhat.com> | 2012-03-15 09:52:51 +0000 |
| commit | c3c50e8b651887bcefcc13beb3739c00b2379b5c (patch) | |
| tree | 087ae3ec7c437125bee9a40d50a2de79685348ed /drivers/gpu/drm | |
| parent | drm: Use a flexible array member for blob property data (diff) | |
| download | linux-dev-c3c50e8b651887bcefcc13beb3739c00b2379b5c.tar.xz linux-dev-c3c50e8b651887bcefcc13beb3739c00b2379b5c.zip | |
drm: Add drm_mode_copy()
Add a helper function to copy a display mode. Use it in
drm_mode_duplicate() and nouveau mode_fixup hooks.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/drm_modes.c | 28 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv50_dac.c | 7 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nv50_sor.c | 7 |
3 files changed, 27 insertions, 15 deletions
diff --git a/drivers/gpu/drm/drm_modes.c b/drivers/gpu/drm/drm_modes.c index 7ff13bc47ca2..b7adb4a967fd 100644 --- a/drivers/gpu/drm/drm_modes.c +++ b/drivers/gpu/drm/drm_modes.c @@ -714,6 +714,27 @@ EXPORT_SYMBOL(drm_mode_set_crtcinfo); /** + * drm_mode_copy - copy the mode + * @dst: mode to overwrite + * @src: mode to copy + * + * LOCKING: + * None. + * + * Copy an existing mode into another mode, preserving the object id + * of the destination mode. + */ +void drm_mode_copy(struct drm_display_mode *dst, const struct drm_display_mode *src) +{ + int id = dst->base.id; + + *dst = *src; + dst->base.id = id; + INIT_LIST_HEAD(&dst->head); +} +EXPORT_SYMBOL(drm_mode_copy); + +/** * drm_mode_duplicate - allocate and duplicate an existing mode * @m: mode to duplicate * @@ -727,16 +748,13 @@ struct drm_display_mode *drm_mode_duplicate(struct drm_device *dev, const struct drm_display_mode *mode) { struct drm_display_mode *nmode; - int new_id; nmode = drm_mode_create(dev); if (!nmode) return NULL; - new_id = nmode->base.id; - *nmode = *mode; - nmode->base.id = new_id; - INIT_LIST_HEAD(&nmode->head); + drm_mode_copy(nmode, mode); + return nmode; } EXPORT_SYMBOL(drm_mode_duplicate); diff --git a/drivers/gpu/drm/nouveau/nv50_dac.c b/drivers/gpu/drm/nouveau/nv50_dac.c index a0f2bebf49e3..55c56330be6d 100644 --- a/drivers/gpu/drm/nouveau/nv50_dac.c +++ b/drivers/gpu/drm/nouveau/nv50_dac.c @@ -190,11 +190,8 @@ nv50_dac_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *mode, } if (connector->scaling_mode != DRM_MODE_SCALE_NONE && - connector->native_mode) { - int id = adjusted_mode->base.id; - *adjusted_mode = *connector->native_mode; - adjusted_mode->base.id = id; - } + connector->native_mode) + drm_mode_copy(adjusted_mode, connector->native_mode); return true; } diff --git a/drivers/gpu/drm/nouveau/nv50_sor.c b/drivers/gpu/drm/nouveau/nv50_sor.c index 9a5c2c98658c..a7844ab6a50c 100644 --- a/drivers/gpu/drm/nouveau/nv50_sor.c +++ b/drivers/gpu/drm/nouveau/nv50_sor.c @@ -342,11 +342,8 @@ nv50_sor_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *mode, } if (connector->scaling_mode != DRM_MODE_SCALE_NONE && - connector->native_mode) { - int id = adjusted_mode->base.id; - *adjusted_mode = *connector->native_mode; - adjusted_mode->base.id = id; - } + connector->native_mode) + drm_mode_copy(adjusted_mode, connector->native_mode); return true; } |