diff mbox

[v3,2/6] drm: Add drm_{crtc/encoder/connector}_mode_valid()

Message ID 6bebd65e34642151552c15f300948c5edf83f84e.1494492646.git.joabreu@synopsys.com (mailing list archive)
State New, archived
Headers show

Commit Message

Jose Abreu May 11, 2017, 9:05 a.m. UTC
Add a new helper to call crtc->mode_valid, connector->mode_valid
and encoder->mode_valid callbacks.

Suggested-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Cc: Carlos Palminha <palminha@synopsys.com>
Cc: Alexey Brodkin <abrodkin@synopsys.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Dave Airlie <airlied@linux.ie>
Cc: Andrzej Hajda <a.hajda@samsung.com>
Cc: Archit Taneja <architt@codeaurora.org>
---

Changes v2->v3:
	- Move helpers to drm_probe_helper.c (Daniel)
	- Squeeze patches that introduce the helpers into a single
	one (Daniel)

 drivers/gpu/drm/drm_crtc_helper_internal.h | 13 ++++++++++
 drivers/gpu/drm/drm_probe_helper.c         | 38 ++++++++++++++++++++++++++++++
 2 files changed, 51 insertions(+)

Comments

Andrzej Hajda May 15, 2017, 8:27 a.m. UTC | #1
On 11.05.2017 11:05, Jose Abreu wrote:
> Add a new helper to call crtc->mode_valid, connector->mode_valid
> and encoder->mode_valid callbacks.
>
> Suggested-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
> Signed-off-by: Jose Abreu <joabreu@synopsys.com>
> Cc: Carlos Palminha <palminha@synopsys.com>
> Cc: Alexey Brodkin <abrodkin@synopsys.com>
> Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
> Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
> Cc: Dave Airlie <airlied@linux.ie>
> Cc: Andrzej Hajda <a.hajda@samsung.com>
> Cc: Archit Taneja <architt@codeaurora.org>
> ---
> Changes v2->v3:
> 	- Move helpers to drm_probe_helper.c (Daniel)
> 	- Squeeze patches that introduce the helpers into a single
> 	one (Daniel)
>
>  drivers/gpu/drm/drm_crtc_helper_internal.h | 13 ++++++++++
>  drivers/gpu/drm/drm_probe_helper.c         | 38 ++++++++++++++++++++++++++++++
>  2 files changed, 51 insertions(+)
>
> diff --git a/drivers/gpu/drm/drm_crtc_helper_internal.h b/drivers/gpu/drm/drm_crtc_helper_internal.h
> index 28295e5..97dfe20 100644
> --- a/drivers/gpu/drm/drm_crtc_helper_internal.h
> +++ b/drivers/gpu/drm/drm_crtc_helper_internal.h
> @@ -26,7 +26,11 @@
>   * implementation details and are not exported to drivers.
>   */
>  
> +#include <drm/drm_connector.h>
> +#include <drm/drm_crtc.h>
>  #include <drm/drm_dp_helper.h>
> +#include <drm/drm_encoder.h>
> +#include <drm/drm_modes.h>
>  
>  /* drm_fb_helper.c */
>  #ifdef CONFIG_DRM_FBDEV_EMULATION
> @@ -62,4 +66,13 @@ static inline int drm_dp_aux_register_devnode(struct drm_dp_aux *aux)
>  static inline void drm_dp_aux_unregister_devnode(struct drm_dp_aux *aux)
>  {
>  }
> +
> +/* drm_probe_helper.c */
> +enum drm_mode_status drm_crtc_mode_valid(struct drm_crtc *crtc,
> +					 const struct drm_display_mode *mode);
> +enum drm_mode_status drm_encoder_mode_valid(struct drm_encoder *encoder,
> +					    const struct drm_display_mode *mode);
> +enum drm_mode_status drm_connector_mode_valid(struct drm_connector *connector,
> +					      struct drm_display_mode *mode);
> +
>  #endif
> diff --git a/drivers/gpu/drm/drm_probe_helper.c b/drivers/gpu/drm/drm_probe_helper.c
> index 1b0c14a..f01abdc 100644
> --- a/drivers/gpu/drm/drm_probe_helper.c
> +++ b/drivers/gpu/drm/drm_probe_helper.c
> @@ -38,6 +38,9 @@
>  #include <drm/drm_crtc_helper.h>
>  #include <drm/drm_fb_helper.h>
>  #include <drm/drm_edid.h>
> +#include <drm/drm_modeset_helper_vtables.h>
> +
> +#include "drm_crtc_helper_internal.h"
>  
>  /**
>   * DOC: output probing helper overview
> @@ -113,6 +116,41 @@ static int drm_helper_probe_add_cmdline_mode(struct drm_connector *connector)
>  	return 1;
>  }
>  
> +enum drm_mode_status drm_crtc_mode_valid(struct drm_crtc *crtc,
> +					 const struct drm_display_mode *mode)
> +{
> +	const struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
> +
> +	if (!crtc_funcs || !crtc_funcs->mode_valid)
> +		return MODE_OK;
> +
> +	return crtc_funcs->mode_valid(crtc, mode);
> +}
> +
> +enum drm_mode_status drm_encoder_mode_valid(struct drm_encoder *encoder,
> +					    const struct drm_display_mode *mode)
> +{
> +	const struct drm_encoder_helper_funcs *encoder_funcs =
> +		encoder->helper_private;
> +
> +	if (!encoder_funcs || !encoder_funcs->mode_valid)
> +		return MODE_OK;
> +
> +	return encoder_funcs->mode_valid(encoder, mode);
> +}
> +
> +enum drm_mode_status drm_connector_mode_valid(struct drm_connector *connector,
> +					      struct drm_display_mode *mode)
> +{
> +	const struct drm_connector_helper_funcs *connector_funcs =
> +		connector->helper_private;
> +
> +	if (!connector_funcs || !connector_funcs->mode_valid)
> +		return MODE_OK;
> +
> +	return connector_funcs->mode_valid(connector, mode);
> +}
> +

"Copy/Paste" as the main generic programming technique in C :)
I guess clever/scary macro wouldn't be an option.

Anyway:
Reviewed-by: Andrzej Hajda <a.hajda@samsung.com>

 --
Regards
Andrzej

>  #define DRM_OUTPUT_POLL_PERIOD (10*HZ)
>  /**
>   * drm_kms_helper_poll_enable - re-enable output polling.
diff mbox

Patch

diff --git a/drivers/gpu/drm/drm_crtc_helper_internal.h b/drivers/gpu/drm/drm_crtc_helper_internal.h
index 28295e5..97dfe20 100644
--- a/drivers/gpu/drm/drm_crtc_helper_internal.h
+++ b/drivers/gpu/drm/drm_crtc_helper_internal.h
@@ -26,7 +26,11 @@ 
  * implementation details and are not exported to drivers.
  */
 
+#include <drm/drm_connector.h>
+#include <drm/drm_crtc.h>
 #include <drm/drm_dp_helper.h>
+#include <drm/drm_encoder.h>
+#include <drm/drm_modes.h>
 
 /* drm_fb_helper.c */
 #ifdef CONFIG_DRM_FBDEV_EMULATION
@@ -62,4 +66,13 @@  static inline int drm_dp_aux_register_devnode(struct drm_dp_aux *aux)
 static inline void drm_dp_aux_unregister_devnode(struct drm_dp_aux *aux)
 {
 }
+
+/* drm_probe_helper.c */
+enum drm_mode_status drm_crtc_mode_valid(struct drm_crtc *crtc,
+					 const struct drm_display_mode *mode);
+enum drm_mode_status drm_encoder_mode_valid(struct drm_encoder *encoder,
+					    const struct drm_display_mode *mode);
+enum drm_mode_status drm_connector_mode_valid(struct drm_connector *connector,
+					      struct drm_display_mode *mode);
+
 #endif
diff --git a/drivers/gpu/drm/drm_probe_helper.c b/drivers/gpu/drm/drm_probe_helper.c
index 1b0c14a..f01abdc 100644
--- a/drivers/gpu/drm/drm_probe_helper.c
+++ b/drivers/gpu/drm/drm_probe_helper.c
@@ -38,6 +38,9 @@ 
 #include <drm/drm_crtc_helper.h>
 #include <drm/drm_fb_helper.h>
 #include <drm/drm_edid.h>
+#include <drm/drm_modeset_helper_vtables.h>
+
+#include "drm_crtc_helper_internal.h"
 
 /**
  * DOC: output probing helper overview
@@ -113,6 +116,41 @@  static int drm_helper_probe_add_cmdline_mode(struct drm_connector *connector)
 	return 1;
 }
 
+enum drm_mode_status drm_crtc_mode_valid(struct drm_crtc *crtc,
+					 const struct drm_display_mode *mode)
+{
+	const struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
+
+	if (!crtc_funcs || !crtc_funcs->mode_valid)
+		return MODE_OK;
+
+	return crtc_funcs->mode_valid(crtc, mode);
+}
+
+enum drm_mode_status drm_encoder_mode_valid(struct drm_encoder *encoder,
+					    const struct drm_display_mode *mode)
+{
+	const struct drm_encoder_helper_funcs *encoder_funcs =
+		encoder->helper_private;
+
+	if (!encoder_funcs || !encoder_funcs->mode_valid)
+		return MODE_OK;
+
+	return encoder_funcs->mode_valid(encoder, mode);
+}
+
+enum drm_mode_status drm_connector_mode_valid(struct drm_connector *connector,
+					      struct drm_display_mode *mode)
+{
+	const struct drm_connector_helper_funcs *connector_funcs =
+		connector->helper_private;
+
+	if (!connector_funcs || !connector_funcs->mode_valid)
+		return MODE_OK;
+
+	return connector_funcs->mode_valid(connector, mode);
+}
+
 #define DRM_OUTPUT_POLL_PERIOD (10*HZ)
 /**
  * drm_kms_helper_poll_enable - re-enable output polling.