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drm: rcar-du: Switch mode config to atomic helpers 

This removes the legacy mode config code. The CRTC and encoder prepare
and commit operations are not used anymore, remove them.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
This commit is contained in:
Laurent Pinchart 2015-02-20 15:16:55 +02:00
parent 336d04a180
commit cf1cc6f249
3 changed files with 6 additions and 73 deletions
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55
drivers/gpu/drm/rcar-du/rcar_du_crtc.c
View File

@ -362,12 +362,10 @@ static void rcar_du_crtc_start(struct rcar_du_crtc *rcrtc)
/* FIXME: Commit the planes state. This is required here as the CRTC can
* be started from the DPMS and system resume handler, which don't go
* through .atomic_plane_update() and .atomic_flush() to commit plane
* state. Similarly a mode set operation without any update to planes
* will not go through atomic plane configuration either. Additionally,
* given that the plane state atomic commit occurs between CRTC disable
* and enable, the hardware state could also be lost due to runtime PM,
* requiring a full commit here. This will be fixed later after
* switching to atomic updates completely.
* state. Additionally, given that the plane state atomic commit occurs
* between CRTC disable and enable, the hardware state could also be
* lost due to runtime PM, requiring a full commit here. This will be
* fixed later after switching to atomic updates completely.
*/
mutex_lock(&rcrtc->group->planes.lock);
rcar_du_crtc_update_planes(crtc);
@ -474,6 +472,7 @@ static void rcar_du_crtc_disable(struct drm_crtc *crtc)
rcar_du_crtc_put(rcrtc);
rcrtc->enabled = false;
rcrtc->outputs = 0;
}
static void rcar_du_crtc_dpms(struct drm_crtc *crtc, int mode)
@ -492,43 +491,6 @@ static bool rcar_du_crtc_mode_fixup(struct drm_crtc *crtc,
return true;
}
static void rcar_du_crtc_mode_prepare(struct drm_crtc *crtc)
{
struct rcar_du_crtc *rcrtc = to_rcar_crtc(crtc);
/* We need to access the hardware during mode set, acquire a reference
* to the CRTC.
*/
rcar_du_crtc_get(rcrtc);
/* Stop the CRTC, force enabled to false as a result. */
rcar_du_crtc_stop(rcrtc);
rcrtc->enabled = false;
rcrtc->outputs = 0;
}
static void rcar_du_crtc_mode_set_nofb(struct drm_crtc *crtc)
{
/* No-op. We should configure the display timings here, but as we're
* called with the CRTC disabled clocks might be off, and we thus can't
* access the hardware. Let's just configure everything when enabling
* the CRTC.
*/
}
static void rcar_du_crtc_mode_commit(struct drm_crtc *crtc)
{
struct rcar_du_crtc *rcrtc = to_rcar_crtc(crtc);
/* We're done, restart the CRTC and set enabled to true. The reference
* to the DU acquired at prepare() time will thus be released by the
* disable() handler.
*/
rcar_du_crtc_start(rcrtc);
rcrtc->enabled = true;
}
static void rcar_du_crtc_atomic_begin(struct drm_crtc *crtc)
{
struct rcar_du_crtc *rcrtc = to_rcar_crtc(crtc);
@ -556,11 +518,6 @@ static void rcar_du_crtc_atomic_flush(struct drm_crtc *crtc)
static const struct drm_crtc_helper_funcs crtc_helper_funcs = {
.dpms = rcar_du_crtc_dpms,
.mode_fixup = rcar_du_crtc_mode_fixup,
.prepare = rcar_du_crtc_mode_prepare,
.commit = rcar_du_crtc_mode_commit,
.mode_set = drm_helper_crtc_mode_set,
.mode_set_nofb = rcar_du_crtc_mode_set_nofb,
.mode_set_base = drm_helper_crtc_mode_set_base,
.disable = rcar_du_crtc_disable,
.enable = rcar_du_crtc_enable,
.atomic_begin = rcar_du_crtc_atomic_begin,
@ -602,7 +559,7 @@ static int rcar_du_crtc_page_flip(struct drm_crtc *crtc,
static const struct drm_crtc_funcs crtc_funcs = {
.reset = drm_atomic_helper_crtc_reset,
.destroy = drm_crtc_cleanup,
.set_config = drm_crtc_helper_set_config,
.set_config = drm_atomic_helper_set_config,
.page_flip = rcar_du_crtc_page_flip,
.atomic_duplicate_state = drm_atomic_helper_crtc_duplicate_state,
.atomic_destroy_state = drm_atomic_helper_crtc_destroy_state,

12
drivers/gpu/drm/rcar-du/rcar_du_encoder.c
View File

@ -118,16 +118,6 @@ static bool rcar_du_encoder_mode_fixup(struct drm_encoder *encoder,
return true;
}
static void rcar_du_encoder_mode_prepare(struct drm_encoder *encoder)
{
rcar_du_encoder_disable(encoder);
}
static void rcar_du_encoder_mode_commit(struct drm_encoder *encoder)
{
rcar_du_encoder_enable(encoder);
}
static void rcar_du_encoder_mode_set(struct drm_encoder *encoder,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
@ -140,8 +130,6 @@ static void rcar_du_encoder_mode_set(struct drm_encoder *encoder,
static const struct drm_encoder_helper_funcs encoder_helper_funcs = {
.dpms = rcar_du_encoder_dpms,
.mode_fixup = rcar_du_encoder_mode_fixup,
.prepare = rcar_du_encoder_mode_prepare,
.commit = rcar_du_encoder_mode_commit,
.mode_set = rcar_du_encoder_mode_set,
.disable = rcar_du_encoder_disable,
.enable = rcar_du_encoder_enable,

12
drivers/gpu/drm/rcar-du/rcar_du_hdmienc.c
View File

@ -96,16 +96,6 @@ static bool rcar_du_hdmienc_mode_fixup(struct drm_encoder *encoder,
return sfuncs->mode_fixup(encoder, mode, adjusted_mode);
}
static void rcar_du_hdmienc_mode_prepare(struct drm_encoder *encoder)
{
rcar_du_hdmienc_dpms(encoder, DRM_MODE_DPMS_OFF);
}
static void rcar_du_hdmienc_mode_commit(struct drm_encoder *encoder)
{
rcar_du_hdmienc_dpms(encoder, DRM_MODE_DPMS_ON);
}
static void rcar_du_hdmienc_mode_set(struct drm_encoder *encoder,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
@ -122,8 +112,6 @@ static void rcar_du_hdmienc_mode_set(struct drm_encoder *encoder,
static const struct drm_encoder_helper_funcs encoder_helper_funcs = {
.dpms = rcar_du_hdmienc_dpms,
.mode_fixup = rcar_du_hdmienc_mode_fixup,
.prepare = rcar_du_hdmienc_mode_prepare,
.commit = rcar_du_hdmienc_mode_commit,
.mode_set = rcar_du_hdmienc_mode_set,
.disable = rcar_du_hdmienc_disable,
.enable = rcar_du_hdmienc_enable,