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drm/bridge: ti-sn65dsi86: Use pm_runtime autosuspend 

Let's make the bridge use autosuspend with a 500ms delay. This is in
preparation for promoting DP AUX transfers to their own sub-driver so
that we're not constantly powering up and down the device as we
transfer all the chunks.

Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210423095743.v5.11.I4c0b4a87e4dc19e5023b4d0a21bbfa6d9c09ebd8@changeid
This commit is contained in:
Douglas Anderson 2021-04-23 09:58:57 -07:00
Родитель 5c4381eeb7
Коммит 9bede63127
1 изменённых файлов: 8 добавлений и 6 удалений
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14
drivers/gpu/drm/bridge/ti-sn65dsi86.c
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@ -243,7 +243,7 @@ static int status_show(struct seq_file *s, void *data)
seq_printf(s, "[0x%02x] = 0x%08x\n", reg, val); seq_printf(s, "[0x%02x] = 0x%08x\n", reg, val);
} }
pm_runtime_put(pdata->dev); pm_runtime_put_autosuspend(pdata->dev);
return 0; return 0;
} }
@ -293,7 +293,7 @@ static int ti_sn_bridge_connector_get_modes(struct drm_connector *connector)
if (!edid) { if (!edid) {
pm_runtime_get_sync(pdata->dev); pm_runtime_get_sync(pdata->dev);
edid = pdata->edid = drm_get_edid(connector, &pdata->aux.ddc); edid = pdata->edid = drm_get_edid(connector, &pdata->aux.ddc);
pm_runtime_put(pdata->dev); pm_runtime_put_autosuspend(pdata->dev);
} }
if (edid && drm_edid_is_valid(edid)) { if (edid && drm_edid_is_valid(edid)) {
@ -420,7 +420,7 @@ static int ti_sn_bridge_attach(struct drm_bridge *bridge,
/* check if continuous dsi clock is required or not */ /* check if continuous dsi clock is required or not */
pm_runtime_get_sync(pdata->dev); pm_runtime_get_sync(pdata->dev);
regmap_read(pdata->regmap, SN_DPPLL_SRC_REG, &val); regmap_read(pdata->regmap, SN_DPPLL_SRC_REG, &val);
pm_runtime_put(pdata->dev); pm_runtime_put_autosuspend(pdata->dev);
if (!(val & DPPLL_CLK_SRC_DSICLK)) if (!(val & DPPLL_CLK_SRC_DSICLK))
dsi->mode_flags |= MIPI_DSI_CLOCK_NON_CONTINUOUS; dsi->mode_flags |= MIPI_DSI_CLOCK_NON_CONTINUOUS;
@ -1051,7 +1051,7 @@ static int ti_sn_bridge_gpio_get(struct gpio_chip *chip, unsigned int offset)
*/ */
pm_runtime_get_sync(pdata->dev); pm_runtime_get_sync(pdata->dev);
ret = regmap_read(pdata->regmap, SN_GPIO_IO_REG, &val); ret = regmap_read(pdata->regmap, SN_GPIO_IO_REG, &val);
pm_runtime_put(pdata->dev); pm_runtime_put_autosuspend(pdata->dev);
if (ret) if (ret)
return ret; return ret;
@ -1102,7 +1102,7 @@ static int ti_sn_bridge_gpio_direction_input(struct gpio_chip *chip,
* it off and when it comes back it will have lost all state, but * it off and when it comes back it will have lost all state, but
* that's OK because the default is input and we're now an input. * that's OK because the default is input and we're now an input.
*/ */
pm_runtime_put(pdata->dev); pm_runtime_put_autosuspend(pdata->dev);
return 0; return 0;
} }
@ -1128,7 +1128,7 @@ static int ti_sn_bridge_gpio_direction_output(struct gpio_chip *chip,
SN_GPIO_MUX_OUTPUT << shift); SN_GPIO_MUX_OUTPUT << shift);
if (ret) { if (ret) {
clear_bit(offset, pdata->gchip_output); clear_bit(offset, pdata->gchip_output);
pm_runtime_put(pdata->dev); pm_runtime_put_autosuspend(pdata->dev);
} }
return ret; return ret;
@ -1419,6 +1419,8 @@ static int ti_sn65dsi86_probe(struct i2c_client *client,
ret = devm_add_action_or_reset(dev, ti_sn65dsi86_runtime_disable, dev); ret = devm_add_action_or_reset(dev, ti_sn65dsi86_runtime_disable, dev);
if (ret) if (ret)
return ret; return ret;
pm_runtime_set_autosuspend_delay(pdata->dev, 500);
pm_runtime_use_autosuspend(pdata->dev);
ti_sn65dsi86_debugfs_init(pdata); ti_sn65dsi86_debugfs_init(pdata);