diff options
| author | Noralf Trønnes <noralf@tronnes.org> | 2016-05-05 16:24:32 +0300 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2016-05-10 09:54:09 +0300 |
| commit | 75229eca569fb275de6d1a0e019df7d63b298762 (patch) | |
| tree | 705e9ecce695ab429fe3ad32515c8e0f223a6c8f /drivers/gpu/drm/drm_crtc_helper.c | |
| parent | 8863dc7f5642737e49ff681cbb842d2c614bdcf4 (diff) | |
| download | linux-75229eca569fb275de6d1a0e019df7d63b298762.tar.xz | |
drm: Make drm_encoder_helper_funcs optional
Make drm_encoder_helper_funcs and it's functions optional to avoid
having dummy functions.
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1462454674-2246-3-git-send-email-noralf@tronnes.org
Diffstat (limited to 'drivers/gpu/drm/drm_crtc_helper.c')
| -rw-r--r-- | drivers/gpu/drm/drm_crtc_helper.c | 41 |
1 files changed, 33 insertions, 8 deletions
diff --git a/drivers/gpu/drm/drm_crtc_helper.c b/drivers/gpu/drm/drm_crtc_helper.c index f47a252ffa89..a6e42433ef0e 100644 --- a/drivers/gpu/drm/drm_crtc_helper.c +++ b/drivers/gpu/drm/drm_crtc_helper.c @@ -170,11 +170,14 @@ drm_encoder_disable(struct drm_encoder *encoder) { const struct drm_encoder_helper_funcs *encoder_funcs = encoder->helper_private; + if (!encoder_funcs) + return; + drm_bridge_disable(encoder->bridge); if (encoder_funcs->disable) (*encoder_funcs->disable)(encoder); - else + else if (encoder_funcs->dpms) (*encoder_funcs->dpms)(encoder, DRM_MODE_DPMS_OFF); drm_bridge_post_disable(encoder->bridge); @@ -248,6 +251,9 @@ drm_crtc_prepare_encoders(struct drm_device *dev) drm_for_each_encoder(encoder, dev) { encoder_funcs = encoder->helper_private; + if (!encoder_funcs) + continue; + /* Disable unused encoders */ if (encoder->crtc == NULL) drm_encoder_disable(encoder); @@ -326,6 +332,10 @@ bool drm_crtc_helper_set_mode(struct drm_crtc *crtc, if (encoder->crtc != crtc) continue; + encoder_funcs = encoder->helper_private; + if (!encoder_funcs) + continue; + ret = drm_bridge_mode_fixup(encoder->bridge, mode, adjusted_mode); if (!ret) { @@ -360,11 +370,15 @@ bool drm_crtc_helper_set_mode(struct drm_crtc *crtc, if (encoder->crtc != crtc) continue; + encoder_funcs = encoder->helper_private; + if (!encoder_funcs) + continue; + drm_bridge_disable(encoder->bridge); - encoder_funcs = encoder->helper_private; /* Disable the encoders as the first thing we do. */ - encoder_funcs->prepare(encoder); + if (encoder_funcs->prepare) + encoder_funcs->prepare(encoder); drm_bridge_post_disable(encoder->bridge); } @@ -385,11 +399,15 @@ bool drm_crtc_helper_set_mode(struct drm_crtc *crtc, if (encoder->crtc != crtc) continue; + encoder_funcs = encoder->helper_private; + if (!encoder_funcs) + continue; + DRM_DEBUG_KMS("[ENCODER:%d:%s] set [MODE:%d:%s]\n", encoder->base.id, encoder->name, mode->base.id, mode->name); - encoder_funcs = encoder->helper_private; - encoder_funcs->mode_set(encoder, mode, adjusted_mode); + if (encoder_funcs->mode_set) + encoder_funcs->mode_set(encoder, mode, adjusted_mode); drm_bridge_mode_set(encoder->bridge, mode, adjusted_mode); } @@ -402,10 +420,14 @@ bool drm_crtc_helper_set_mode(struct drm_crtc *crtc, if (encoder->crtc != crtc) continue; + encoder_funcs = encoder->helper_private; + if (!encoder_funcs) + continue; + drm_bridge_pre_enable(encoder->bridge); - encoder_funcs = encoder->helper_private; - encoder_funcs->commit(encoder); + if (encoder_funcs->commit) + encoder_funcs->commit(encoder); drm_bridge_enable(encoder->bridge); } @@ -790,12 +812,15 @@ static void drm_helper_encoder_dpms(struct drm_encoder *encoder, int mode) struct drm_bridge *bridge = encoder->bridge; const struct drm_encoder_helper_funcs *encoder_funcs; + encoder_funcs = encoder->helper_private; + if (!encoder_funcs) + return; + if (mode == DRM_MODE_DPMS_ON) drm_bridge_pre_enable(bridge); else drm_bridge_disable(bridge); - encoder_funcs = encoder->helper_private; if (encoder_funcs->dpms) encoder_funcs->dpms(encoder, mode); |