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drm: rcar-du: Replace encoder mode_fixup with atomic_check

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The encoder .mode_fixup() operation is legacy, atomic updates uses the
new .atomic_check() operation. Convert the encoders drivers.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
This commit is contained in:
Laurent Pinchart 2015-02-22 21:02:39 +02:00
parent f348323240
commit ede7714f2e
2 changed files with 20 additions and 29 deletions
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35
drivers/gpu/drm/rcar-du/rcar_du_encoder.c
View file

@ -58,35 +58,24 @@ static void rcar_du_encoder_enable(struct drm_encoder *encoder)
rcar_du_lvdsenc_enable(renc->lvds, encoder->crtc, true);
}
static bool rcar_du_encoder_mode_fixup(struct drm_encoder *encoder,
const struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
static int rcar_du_encoder_atomic_check(struct drm_encoder *encoder,
struct drm_crtc_state *crtc_state,
struct drm_connector_state *conn_state)
{
struct rcar_du_encoder *renc = to_rcar_encoder(encoder);
struct drm_display_mode *adjusted_mode = &crtc_state->adjusted_mode;
const struct drm_display_mode *mode = &crtc_state->mode;
const struct drm_display_mode *panel_mode;
struct drm_connector *connector = conn_state->connector;
struct drm_device *dev = encoder->dev;
struct drm_connector *connector;
bool found = false;
/* DAC encoders have currently no restriction on the mode. */
if (encoder->encoder_type == DRM_MODE_ENCODER_DAC)
return true;
list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
if (connector->encoder == encoder) {
found = true;
break;
}
}
if (!found) {
dev_dbg(dev->dev, "mode_fixup: no connector found\n");
return false;
}
return 0;
if (list_empty(&connector->modes)) {
dev_dbg(dev->dev, "mode_fixup: empty modes list\n");
return false;
dev_dbg(dev->dev, "encoder: empty modes list\n");
return -EINVAL;
}
panel_mode = list_first_entry(&connector->modes,
@ -95,7 +84,7 @@ static bool rcar_du_encoder_mode_fixup(struct drm_encoder *encoder,
/* We're not allowed to modify the resolution. */
if (mode->hdisplay != panel_mode->hdisplay ||
mode->vdisplay != panel_mode->vdisplay)
return false;
return -EINVAL;
/* The flat panel mode is fixed, just copy it to the adjusted mode. */
drm_mode_copy(adjusted_mode, panel_mode);
@ -107,7 +96,7 @@ static bool rcar_du_encoder_mode_fixup(struct drm_encoder *encoder,
adjusted_mode->clock = clamp(adjusted_mode->clock,
30000, 150000);
return true;
return 0;
}
static void rcar_du_encoder_mode_set(struct drm_encoder *encoder,
@ -120,10 +109,10 @@ static void rcar_du_encoder_mode_set(struct drm_encoder *encoder,
}
static const struct drm_encoder_helper_funcs encoder_helper_funcs = {
.mode_fixup = rcar_du_encoder_mode_fixup,
.mode_set = rcar_du_encoder_mode_set,
.disable = rcar_du_encoder_disable,
.enable = rcar_du_encoder_enable,
.atomic_check = rcar_du_encoder_atomic_check,
};
static const struct drm_encoder_funcs encoder_funcs = {

14
drivers/gpu/drm/rcar-du/rcar_du_hdmienc.c
View file

@ -62,12 +62,14 @@ static void rcar_du_hdmienc_enable(struct drm_encoder *encoder)
hdmienc->enabled = true;
}
static bool rcar_du_hdmienc_mode_fixup(struct drm_encoder *encoder,
const struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
static int rcar_du_hdmienc_atomic_check(struct drm_encoder *encoder,
struct drm_crtc_state *crtc_state,
struct drm_connector_state *conn_state)
{
struct rcar_du_hdmienc *hdmienc = to_rcar_hdmienc(encoder);
struct drm_encoder_slave_funcs *sfuncs = to_slave_funcs(encoder);
struct drm_display_mode *adjusted_mode = &crtc_state->adjusted_mode;
const struct drm_display_mode *mode = &crtc_state->mode;
/* The internal LVDS encoder has a clock frequency operating range of
* 30MHz to 150MHz. Clamp the clock accordingly.
@ -77,9 +79,9 @@ static bool rcar_du_hdmienc_mode_fixup(struct drm_encoder *encoder,
30000, 150000);
if (sfuncs->mode_fixup == NULL)
return true;
return 0;
return sfuncs->mode_fixup(encoder, mode, adjusted_mode);
return sfuncs->mode_fixup(encoder, mode, adjusted_mode) ? 0 : -EINVAL;
}
static void rcar_du_hdmienc_mode_set(struct drm_encoder *encoder,
@ -96,10 +98,10 @@ static void rcar_du_hdmienc_mode_set(struct drm_encoder *encoder,
}
static const struct drm_encoder_helper_funcs encoder_helper_funcs = {
.mode_fixup = rcar_du_hdmienc_mode_fixup,
.mode_set = rcar_du_hdmienc_mode_set,
.disable = rcar_du_hdmienc_disable,
.enable = rcar_du_hdmienc_enable,
.atomic_check = rcar_du_hdmienc_atomic_check,
};
static void rcar_du_hdmienc_cleanup(struct drm_encoder *encoder)