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drm/imx: atomic phase 3 step 2: Legacy callback fixups

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Now that we can use atomic configurations, all the legacy callbacks
of CRTCs, encoders and connectors can be switched to the atomic version.
For the imx-ldb driver, there is a clock parent setting mismatch bewteen
->enable and ->disable after the switch, so a fixup is added.  For the
imx-tve driver, since the encoder's callback ->dpms is replaced by
->disable, we need to move the setting for the IPU_CLK_EN bit(in register
TVE_COM_CONF_REG) from ->enable/->disable to ->mode_set, otherwise, the
relevant CRTC cannot be disabled correctly with a warning on DC stop timeout.

Signed-off-by: Liu Ying <gnuiyl@gmail.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
This commit is contained in:
Liu Ying 2016-07-08 17:41:01 +08:00 • committed by Philipp Zabel
parent 6b7279e13e
commit f6e396e509
5 changed files with 27 additions and 82 deletions
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27
drivers/gpu/drm/imx/imx-tve.c
View file

@ -147,8 +147,7 @@ static void tve_enable(struct imx_tve *tve)
tve->enabled = true;
clk_prepare_enable(tve->clk);
ret = regmap_update_bits(tve->regmap, TVE_COM_CONF_REG,
TVE_IPU_CLK_EN | TVE_EN,
TVE_IPU_CLK_EN | TVE_EN);
TVE_EN, TVE_EN);
}
/* clear interrupt status register */
@ -171,7 +170,7 @@ static void tve_disable(struct imx_tve *tve)
if (tve->enabled) {
tve->enabled = false;
ret = regmap_update_bits(tve->regmap, TVE_COM_CONF_REG,
TVE_IPU_CLK_EN | TVE_EN, 0);
TVE_EN, 0);
clk_disable_unprepare(tve->clk);
}
}
@ -274,18 +273,6 @@ static struct drm_encoder *imx_tve_connector_best_encoder(
return &tve->imx_encoder.encoder;
}
static void imx_tve_encoder_dpms(struct drm_encoder *encoder, int mode)
{
struct imx_drm_encoder *imx_encoder = enc_to_imx_enc(encoder);
struct imx_tve *tve = imx_enc_to_tve(imx_encoder);
int ret;
ret = regmap_update_bits(tve->regmap, TVE_COM_CONF_REG,
TVE_TV_OUT_MODE_MASK, TVE_TV_OUT_DISABLE);
if (ret < 0)
dev_err(tve->dev, "failed to disable TVOUT: %d\n", ret);
}
static void imx_tve_encoder_mode_set(struct drm_encoder *encoder,
struct drm_display_mode *orig_mode,
struct drm_display_mode *mode)
@ -315,6 +302,9 @@ static void imx_tve_encoder_mode_set(struct drm_encoder *encoder,
ret);
}
regmap_update_bits(tve->regmap, TVE_COM_CONF_REG,
TVE_IPU_CLK_EN, TVE_IPU_CLK_EN);
if (tve->mode == TVE_MODE_VGA)
ret = tve_setup_vga(tve);
else
@ -323,7 +313,7 @@ static void imx_tve_encoder_mode_set(struct drm_encoder *encoder,
dev_err(tve->dev, "failed to set configuration: %d\n", ret);
}
static void imx_tve_encoder_commit(struct drm_encoder *encoder)
static void imx_tve_encoder_enable(struct drm_encoder *encoder)
{
struct imx_drm_encoder *imx_encoder = enc_to_imx_enc(encoder);
struct imx_tve *tve = imx_enc_to_tve(imx_encoder);
@ -340,7 +330,7 @@ static void imx_tve_encoder_disable(struct drm_encoder *encoder)
}
static const struct drm_connector_funcs imx_tve_connector_funcs = {
.dpms = drm_helper_connector_dpms,
.dpms = drm_atomic_helper_connector_dpms,
.fill_modes = drm_helper_probe_single_connector_modes,
.detect = imx_tve_connector_detect,
.destroy = imx_drm_connector_destroy,
@ -360,9 +350,8 @@ static const struct drm_encoder_funcs imx_tve_encoder_funcs = {
};
static const struct drm_encoder_helper_funcs imx_tve_encoder_helper_funcs = {
.dpms = imx_tve_encoder_dpms,
.mode_set = imx_tve_encoder_mode_set,
.commit = imx_tve_encoder_commit,
.enable = imx_tve_encoder_enable,
.disable = imx_tve_encoder_disable,
};