[PATCH v3 02/11] drm/ast: Add struct ast_connector

Jocelyn Falempe jfalempe at redhat.com
Mon Aug 19 09:49:28 UTC 2024


On 15/08/2024 17:18, Thomas Zimmermann wrote:
> Add struct ast_connector to track a connector's physical status. With
> the upcoming BMC support, the physical status can be different from the
> reported status.

Thanks for this, as we fake the connector to be always connected with 
BMC, it has to know internally if there is something plugged.

Reviewed-by: Jocelyn Falempe <jfalempe at redhat.com>

> 
> Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de>
> ---
>   drivers/gpu/drm/ast/ast_dp.c     |  7 ++++++-
>   drivers/gpu/drm/ast/ast_dp501.c  | 11 +++++++++--
>   drivers/gpu/drm/ast/ast_drv.h    | 24 ++++++++++++++++++++----
>   drivers/gpu/drm/ast/ast_mode.c   |  8 ++++----
>   drivers/gpu/drm/ast/ast_sil164.c | 20 ++++++++++++++++++--
>   drivers/gpu/drm/ast/ast_vga.c    | 20 ++++++++++++++++++--
>   6 files changed, 75 insertions(+), 15 deletions(-)
> 
> diff --git a/drivers/gpu/drm/ast/ast_dp.c b/drivers/gpu/drm/ast/ast_dp.c
> index 549c823c9529..c7f0f9b5dc3a 100644
> --- a/drivers/gpu/drm/ast/ast_dp.c
> +++ b/drivers/gpu/drm/ast/ast_dp.c
> @@ -364,6 +364,7 @@ static int ast_astdp_connector_helper_detect_ctx(struct drm_connector *connector
>   						 struct drm_modeset_acquire_ctx *ctx,
>   						 bool force)
>   {
> +	struct ast_connector *ast_connector = to_ast_connector(connector);
>   	struct drm_device *dev = connector->dev;
>   	struct ast_device *ast = to_ast_device(connector->dev);
>   	enum drm_connector_status status = connector_status_disconnected;
> @@ -392,6 +393,8 @@ static int ast_astdp_connector_helper_detect_ctx(struct drm_connector *connector
>   
>   	mutex_unlock(&ast->modeset_lock);
>   
> +	ast_connector->physical_status = status;
> +
>   	return status;
>   }
>   
> @@ -432,7 +435,8 @@ int ast_astdp_output_init(struct ast_device *ast)
>   	struct drm_device *dev = &ast->base;
>   	struct drm_crtc *crtc = &ast->crtc;
>   	struct drm_encoder *encoder = &ast->output.astdp.encoder;
> -	struct drm_connector *connector = &ast->output.astdp.connector;
> +	struct ast_connector *ast_connector = &ast->output.astdp.connector;
> +	struct drm_connector *connector = &ast_connector->base;
>   	int ret;
>   
>   	ret = drm_encoder_init(dev, encoder, &ast_astdp_encoder_funcs,
> @@ -446,6 +450,7 @@ int ast_astdp_output_init(struct ast_device *ast)
>   	ret = ast_astdp_connector_init(dev, connector);
>   	if (ret)
>   		return ret;
> +	ast_connector->physical_status = connector->status;
>   
>   	ret = drm_connector_attach_encoder(connector, encoder);
>   	if (ret)
> diff --git a/drivers/gpu/drm/ast/ast_dp501.c b/drivers/gpu/drm/ast/ast_dp501.c
> index 478efa226170..3904f98ef846 100644
> --- a/drivers/gpu/drm/ast/ast_dp501.c
> +++ b/drivers/gpu/drm/ast/ast_dp501.c
> @@ -540,11 +540,16 @@ static int ast_dp501_connector_helper_detect_ctx(struct drm_connector *connector
>   						 struct drm_modeset_acquire_ctx *ctx,
>   						 bool force)
>   {
> +	struct ast_connector *ast_connector = to_ast_connector(connector);
>   	struct ast_device *ast = to_ast_device(connector->dev);
> +	enum drm_connector_status status = connector_status_disconnected;
>   
>   	if (ast_dp501_is_connected(ast))
>   		return connector_status_connected;
> -	return connector_status_disconnected;
> +
> +	ast_connector->physical_status = status;
> +
> +	return status;
>   }
>   
>   static const struct drm_connector_helper_funcs ast_dp501_connector_helper_funcs = {
> @@ -584,7 +589,8 @@ int ast_dp501_output_init(struct ast_device *ast)
>   	struct drm_device *dev = &ast->base;
>   	struct drm_crtc *crtc = &ast->crtc;
>   	struct drm_encoder *encoder = &ast->output.dp501.encoder;
> -	struct drm_connector *connector = &ast->output.dp501.connector;
> +	struct ast_connector *ast_connector = &ast->output.dp501.connector;
> +	struct drm_connector *connector = &ast_connector->base;
>   	int ret;
>   
>   	ret = drm_encoder_init(dev, encoder, &ast_dp501_encoder_funcs,
> @@ -598,6 +604,7 @@ int ast_dp501_output_init(struct ast_device *ast)
>   	ret = ast_dp501_connector_init(dev, connector);
>   	if (ret)
>   		return ret;
> +	ast_connector->physical_status = connector->status;
>   
>   	ret = drm_connector_attach_encoder(connector, encoder);
>   	if (ret)
> diff --git a/drivers/gpu/drm/ast/ast_drv.h b/drivers/gpu/drm/ast/ast_drv.h
> index 3a4f80cb5c0f..b29625d45a11 100644
> --- a/drivers/gpu/drm/ast/ast_drv.h
> +++ b/drivers/gpu/drm/ast/ast_drv.h
> @@ -146,6 +146,22 @@ static inline struct ast_plane *to_ast_plane(struct drm_plane *plane)
>   	return container_of(plane, struct ast_plane, base);
>   }
>   
> +/*
> + * Connector
> + */
> +
> +struct ast_connector {
> +	struct drm_connector base;
> +
> +	enum drm_connector_status physical_status;
> +};
> +
> +static inline struct ast_connector *
> +to_ast_connector(struct drm_connector *connector)
> +{
> +	return container_of(connector, struct ast_connector, base);
> +}
> +
>   /*
>    * BMC
>    */
> @@ -192,19 +208,19 @@ struct ast_device {
>   	struct {
>   		struct {
>   			struct drm_encoder encoder;
> -			struct drm_connector connector;
> +			struct ast_connector connector;
>   		} vga;
>   		struct {
>   			struct drm_encoder encoder;
> -			struct drm_connector connector;
> +			struct ast_connector connector;
>   		} sil164;
>   		struct {
>   			struct drm_encoder encoder;
> -			struct drm_connector connector;
> +			struct ast_connector connector;
>   		} dp501;
>   		struct {
>   			struct drm_encoder encoder;
> -			struct drm_connector connector;
> +			struct ast_connector connector;
>   		} astdp;
>   		struct {
>   			struct drm_encoder encoder;
> diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c
> index d823e9d85b04..8ce1637268e1 100644
> --- a/drivers/gpu/drm/ast/ast_mode.c
> +++ b/drivers/gpu/drm/ast/ast_mode.c
> @@ -1502,25 +1502,25 @@ int ast_mode_config_init(struct ast_device *ast)
>   		ret = ast_vga_output_init(ast);
>   		if (ret)
>   			return ret;
> -		physical_connector = &ast->output.vga.connector;
> +		physical_connector = &ast->output.vga.connector.base;
>   	}
>   	if (ast->tx_chip_types & AST_TX_SIL164_BIT) {
>   		ret = ast_sil164_output_init(ast);
>   		if (ret)
>   			return ret;
> -		physical_connector = &ast->output.sil164.connector;
> +		physical_connector = &ast->output.sil164.connector.base;
>   	}
>   	if (ast->tx_chip_types & AST_TX_DP501_BIT) {
>   		ret = ast_dp501_output_init(ast);
>   		if (ret)
>   			return ret;
> -		physical_connector = &ast->output.dp501.connector;
> +		physical_connector = &ast->output.dp501.connector.base;
>   	}
>   	if (ast->tx_chip_types & AST_TX_ASTDP_BIT) {
>   		ret = ast_astdp_output_init(ast);
>   		if (ret)
>   			return ret;
> -		physical_connector = &ast->output.astdp.connector;
> +		physical_connector = &ast->output.astdp.connector.base;
>   	}
>   	ret = ast_bmc_output_init(ast, physical_connector);
>   	if (ret)
> diff --git a/drivers/gpu/drm/ast/ast_sil164.c b/drivers/gpu/drm/ast/ast_sil164.c
> index 6e17d84f994e..05f991aa34ca 100644
> --- a/drivers/gpu/drm/ast/ast_sil164.c
> +++ b/drivers/gpu/drm/ast/ast_sil164.c
> @@ -21,9 +21,23 @@ static const struct drm_encoder_funcs ast_sil164_encoder_funcs = {
>    * Connector
>    */
>   
> +static int ast_sil164_connector_helper_detect_ctx(struct drm_connector *connector,
> +						  struct drm_modeset_acquire_ctx *ctx,
> +						  bool force)
> +{
> +	struct ast_connector *ast_connector = to_ast_connector(connector);
> +	enum drm_connector_status status;
> +
> +	status = drm_connector_helper_detect_from_ddc(connector, ctx, force);
> +
> +	ast_connector->physical_status = status;
> +
> +	return status;
> +}
> +
>   static const struct drm_connector_helper_funcs ast_sil164_connector_helper_funcs = {
>   	.get_modes = drm_connector_helper_get_modes,
> -	.detect_ctx = drm_connector_helper_detect_from_ddc,
> +	.detect_ctx = ast_sil164_connector_helper_detect_ctx,
>   };
>   
>   static const struct drm_connector_funcs ast_sil164_connector_funcs = {
> @@ -67,7 +81,8 @@ int ast_sil164_output_init(struct ast_device *ast)
>   	struct drm_device *dev = &ast->base;
>   	struct drm_crtc *crtc = &ast->crtc;
>   	struct drm_encoder *encoder = &ast->output.sil164.encoder;
> -	struct drm_connector *connector = &ast->output.sil164.connector;
> +	struct ast_connector *ast_connector = &ast->output.sil164.connector;
> +	struct drm_connector *connector = &ast_connector->base;
>   	int ret;
>   
>   	ret = drm_encoder_init(dev, encoder, &ast_sil164_encoder_funcs,
> @@ -79,6 +94,7 @@ int ast_sil164_output_init(struct ast_device *ast)
>   	ret = ast_sil164_connector_init(dev, connector);
>   	if (ret)
>   		return ret;
> +	ast_connector->physical_status = connector->status;
>   
>   	ret = drm_connector_attach_encoder(connector, encoder);
>   	if (ret)
> diff --git a/drivers/gpu/drm/ast/ast_vga.c b/drivers/gpu/drm/ast/ast_vga.c
> index 2ea0763844f3..fdbd0daca7dc 100644
> --- a/drivers/gpu/drm/ast/ast_vga.c
> +++ b/drivers/gpu/drm/ast/ast_vga.c
> @@ -21,9 +21,23 @@ static const struct drm_encoder_funcs ast_vga_encoder_funcs = {
>    * Connector
>    */
>   
> +static int ast_vga_connector_helper_detect_ctx(struct drm_connector *connector,
> +					       struct drm_modeset_acquire_ctx *ctx,
> +					       bool force)
> +{
> +	struct ast_connector *ast_connector = to_ast_connector(connector);
> +	enum drm_connector_status status;
> +
> +	status = drm_connector_helper_detect_from_ddc(connector, ctx, force);
> +
> +	ast_connector->physical_status = status;
> +
> +	return status;
> +}
> +
>   static const struct drm_connector_helper_funcs ast_vga_connector_helper_funcs = {
>   	.get_modes = drm_connector_helper_get_modes,
> -	.detect_ctx = drm_connector_helper_detect_from_ddc,
> +	.detect_ctx = ast_vga_connector_helper_detect_ctx,
>   };
>   
>   static const struct drm_connector_funcs ast_vga_connector_funcs = {
> @@ -67,7 +81,8 @@ int ast_vga_output_init(struct ast_device *ast)
>   	struct drm_device *dev = &ast->base;
>   	struct drm_crtc *crtc = &ast->crtc;
>   	struct drm_encoder *encoder = &ast->output.vga.encoder;
> -	struct drm_connector *connector = &ast->output.vga.connector;
> +	struct ast_connector *ast_connector = &ast->output.vga.connector;
> +	struct drm_connector *connector = &ast_connector->base;
>   	int ret;
>   
>   	ret = drm_encoder_init(dev, encoder, &ast_vga_encoder_funcs,
> @@ -79,6 +94,7 @@ int ast_vga_output_init(struct ast_device *ast)
>   	ret = ast_vga_connector_init(dev, connector);
>   	if (ret)
>   		return ret;
> +	ast_connector->physical_status = connector->status;
>   
>   	ret = drm_connector_attach_encoder(connector, encoder);
>   	if (ret)



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