On 24.07.2018 09:49, Inki Dae wrote:
> Hi,
>
> 2018년 06월 19일 17:19에 Maciej Purski 이(가) 쓴 글:
>> When adding support for peripheral out bridges, the "bridge" name
>> becomes imprecise as it refers to a different device than the
>> "out_bridge".
> Could you give me more details? I'm afriad that I don't understand what you
> say.
The problem is that MIC is an input bridge and now we will have also
output bridge (Toshiba DSI/LVDS converter).
So we will have to distinguish them.
>
> And in case of Exynos5433 SoC, SMIES(Samsung Mobile Image Enhancement System)
> can be located between DECON and MIPI-DSI devices also.
> Therefore, having specific name isn't reasonable.
So probably in_bridge would be a better name. I will rephrase message
and bridge name.
Regars
Andrzej
>
> Thanks,
> Inki Dae
>
>> Signed-off-by: Maciej Purski <m.pur...@samsung.com>
>> ---
>> drivers/gpu/drm/exynos/exynos_drm_dsi.c | 16 ++++++++--------
>> 1 file changed, 8 insertions(+), 8 deletions(-)
>>
>> diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c
>> b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
>> index eae44fd..9599e6b 100644
>> --- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c
>> +++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
>> @@ -279,7 +279,7 @@ struct exynos_dsi {
>> struct list_head transfer_list;
>>
>> const struct exynos_dsi_driver_data *driver_data;
>> - struct device_node *bridge_node;
>> + struct device_node *mic_bridge_node;
>> };
>>
>> #define host_to_dsi(host) container_of(host, struct exynos_dsi, dsi_host)
>> @@ -1631,7 +1631,7 @@ static int exynos_dsi_parse_dt(struct exynos_dsi *dsi)
>> if (ret < 0)
>> return ret;
>>
>> - dsi->bridge_node = of_graph_get_remote_node(node, DSI_PORT_IN, 0);
>> + dsi->mic_bridge_node = of_graph_get_remote_node(node, DSI_PORT_IN, 0);
>>
>> return 0;
>> }
>> @@ -1642,7 +1642,7 @@ static int exynos_dsi_bind(struct device *dev, struct
>> device *master,
>> struct drm_encoder *encoder = dev_get_drvdata(dev);
>> struct exynos_dsi *dsi = encoder_to_dsi(encoder);
>> struct drm_device *drm_dev = data;
>> - struct drm_bridge *bridge;
>> + struct drm_bridge *mic_bridge;
>> int ret;
>>
>> drm_encoder_init(drm_dev, encoder, &exynos_dsi_encoder_funcs,
>> @@ -1661,10 +1661,10 @@ static int exynos_dsi_bind(struct device *dev,
>> struct device *master,
>> return ret;
>> }
>>
>> - if (dsi->bridge_node) {
>> - bridge = of_drm_find_bridge(dsi->bridge_node);
>> - if (bridge)
>> - drm_bridge_attach(encoder, bridge, NULL);
>> + if (dsi->mic_bridge_node) {
>> + mic_bridge = of_drm_find_bridge(dsi->mic_bridge_node);
>> + if (mic_bridge)
>> + drm_bridge_attach(encoder, mic_bridge, NULL);
>> }
>>
>> return mipi_dsi_host_register(&dsi->dsi_host);
>> @@ -1783,7 +1783,7 @@ static int exynos_dsi_remove(struct platform_device
>> *pdev)
>> {
>> struct exynos_dsi *dsi = platform_get_drvdata(pdev);
>>
>> - of_node_put(dsi->bridge_node);
>> + of_node_put(dsi->mic_bridge_node);
>>
>> pm_runtime_disable(&pdev->dev);
>>
>>
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