Re: [Freedreno] [v1] drm/msm/disp/dpu1: populate disp_info with connector type

2022-11-11 Thread Dmitry Baryshkov

On 11/11/2022 16:56, Kalyan Thota wrote:

Populate disp_info with connector type. Since DRM encoder type
for few encoders can be similar (like eDP and DP) this information
will be useful to differentiate interfaces.

Changes in v1:
- add connector type in the disp_info (Dmitry)


You can get connector type from


- add helper functions to know encoder type
- update commit text reflecting the change

Signed-off-by: Kalyan Thota 
---
  drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 44 +++--
  drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h | 26 +++--
  drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c |  2 ++
  drivers/gpu/drm/msm/dp/dp_display.c |  5 
  drivers/gpu/drm/msm/msm_drv.h   |  7 -
  5 files changed, 77 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c 
b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
index 9c6817b..c9058aa 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
@@ -217,6 +217,40 @@ static u32 dither_matrix[DITHER_MATRIX_SZ] = {
15, 7, 13, 5, 3, 11, 1, 9, 12, 4, 14, 6, 0, 8, 2, 10
  };
  
+bool dpu_encoder_is_external(struct drm_encoder *drm_enc)

+{
+   struct dpu_encoder_virt *dpu_enc;
+
+   if (!drm_enc)
+   return false;
+
+   dpu_enc = to_dpu_encoder_virt(drm_enc);
+   return (dpu_enc->disp_info.connector_type ==
+   DRM_MODE_CONNECTOR_DisplayPort);


And also HDMI, DVI, VGA and several other connector types.

It is much easier to enumerate non-interesting (in other words, 
non-external ones):

- Unknown
- LVDS
- eDP
- DSI
- DPI
- VIRTUAL
- WRITEBACK


+}
+
+bool dpu_encoder_is_virtual(struct drm_encoder *drm_enc)
+{
+   struct dpu_encoder_virt *dpu_enc;
+
+   if (!drm_enc)
+   return false;
+
+   dpu_enc = to_dpu_encoder_virt(drm_enc);
+   return (dpu_enc->disp_info.connector_type == 
DRM_MODE_CONNECTOR_WRITEBACK);
+}
+
+bool dpu_encoder_is_primary(struct drm_encoder *drm_enc)
+{
+   struct dpu_encoder_virt *dpu_enc;
+
+   if (!drm_enc)
+   return false;
+
+   dpu_enc = to_dpu_encoder_virt(drm_enc);
+   return((dpu_enc->disp_info.connector_type == DRM_MODE_CONNECTOR_DSI) ||
+   (dpu_enc->disp_info.connector_type == DRM_MODE_CONNECTOR_eDP));


Why do you need a separate is_primary?


+}
  
  bool dpu_encoder_is_widebus_enabled(const struct drm_encoder *drm_enc)

  {
@@ -2412,7 +2446,7 @@ int dpu_encoder_setup(struct drm_device *dev, struct 
drm_encoder *enc,
struct dpu_kms *dpu_kms = to_dpu_kms(priv->kms);
struct drm_encoder *drm_enc = NULL;
struct dpu_encoder_virt *dpu_enc = NULL;
-   int ret = 0;
+   int ret = 0, intf_i;
  
  	dpu_enc = to_dpu_encoder_virt(enc);
  
@@ -2424,13 +2458,17 @@ int dpu_encoder_setup(struct drm_device *dev, struct drm_encoder *enc,

timer_setup(_enc->frame_done_timer,
dpu_encoder_frame_done_timeout, 0);
  
+	intf_i = disp_info->h_tile_instance[0];

if (disp_info->intf_type == DRM_MODE_ENCODER_DSI)
timer_setup(_enc->vsync_event_timer,
dpu_encoder_vsync_event_handler,
0);
-   else if (disp_info->intf_type == DRM_MODE_ENCODER_TMDS)
+   else if (disp_info->intf_type == DRM_MODE_ENCODER_TMDS) {
dpu_enc->wide_bus_en = msm_dp_wide_bus_available(
-   priv->dp[disp_info->h_tile_instance[0]]);
+   priv->dp[intf_i]);
+   disp_info->connector_type =
+   msm_dp_get_connector_type(priv->dp[intf_i]);
+   }
  
  	INIT_DELAYED_WORK(_enc->delayed_off_work,

dpu_encoder_off_work);
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h 
b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h
index 9e7236e..d361c5d 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h
@@ -25,16 +25,18 @@
   * @num_of_h_tiles: Number of horizontal tiles in case of split interface
   * @h_tile_instance:Controller instance used per tile. Number of elements 
is
   *  based on num_of_h_tiles
- * @is_cmd_modeBoolean to indicate if the CMD mode is requested
+ * @is_cmd_mode:Boolean to indicate if the CMD mode is requested


Unrelated change. If you want to fix a whitespace, please do so. In a 
separate patch.



+ * @connector_type: DRM_MODE_CONNECTOR_ type


You can get this kind of information from the atomic state.
See the for_each_connector_on_encoder


   * @is_te_using_watchdog_timer:  Boolean to indicate watchdog TE is
- *  used instead of panel TE in cmd mode panels
- * @dsc:   DSC configuration data for DSC-enabled displays
+ *  used instead of panel TE in cmd mode panels
+ * 

[Freedreno] [v1] drm/msm/disp/dpu1: populate disp_info with connector type

2022-11-11 Thread Kalyan Thota
Populate disp_info with connector type. Since DRM encoder type
for few encoders can be similar (like eDP and DP) this information
will be useful to differentiate interfaces.

Changes in v1:
- add connector type in the disp_info (Dmitry)
- add helper functions to know encoder type
- update commit text reflecting the change

Signed-off-by: Kalyan Thota 
---
 drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 44 +++--
 drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h | 26 +++--
 drivers/gpu/drm/msm/disp/dpu1/dpu_kms.c |  2 ++
 drivers/gpu/drm/msm/dp/dp_display.c |  5 
 drivers/gpu/drm/msm/msm_drv.h   |  7 -
 5 files changed, 77 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c 
b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
index 9c6817b..c9058aa 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
@@ -217,6 +217,40 @@ static u32 dither_matrix[DITHER_MATRIX_SZ] = {
15, 7, 13, 5, 3, 11, 1, 9, 12, 4, 14, 6, 0, 8, 2, 10
 };
 
+bool dpu_encoder_is_external(struct drm_encoder *drm_enc)
+{
+   struct dpu_encoder_virt *dpu_enc;
+
+   if (!drm_enc)
+   return false;
+
+   dpu_enc = to_dpu_encoder_virt(drm_enc);
+   return (dpu_enc->disp_info.connector_type ==
+   DRM_MODE_CONNECTOR_DisplayPort);
+}
+
+bool dpu_encoder_is_virtual(struct drm_encoder *drm_enc)
+{
+   struct dpu_encoder_virt *dpu_enc;
+
+   if (!drm_enc)
+   return false;
+
+   dpu_enc = to_dpu_encoder_virt(drm_enc);
+   return (dpu_enc->disp_info.connector_type == 
DRM_MODE_CONNECTOR_WRITEBACK);
+}
+
+bool dpu_encoder_is_primary(struct drm_encoder *drm_enc)
+{
+   struct dpu_encoder_virt *dpu_enc;
+
+   if (!drm_enc)
+   return false;
+
+   dpu_enc = to_dpu_encoder_virt(drm_enc);
+   return((dpu_enc->disp_info.connector_type == DRM_MODE_CONNECTOR_DSI) ||
+   (dpu_enc->disp_info.connector_type == DRM_MODE_CONNECTOR_eDP));
+}
 
 bool dpu_encoder_is_widebus_enabled(const struct drm_encoder *drm_enc)
 {
@@ -2412,7 +2446,7 @@ int dpu_encoder_setup(struct drm_device *dev, struct 
drm_encoder *enc,
struct dpu_kms *dpu_kms = to_dpu_kms(priv->kms);
struct drm_encoder *drm_enc = NULL;
struct dpu_encoder_virt *dpu_enc = NULL;
-   int ret = 0;
+   int ret = 0, intf_i;
 
dpu_enc = to_dpu_encoder_virt(enc);
 
@@ -2424,13 +2458,17 @@ int dpu_encoder_setup(struct drm_device *dev, struct 
drm_encoder *enc,
timer_setup(_enc->frame_done_timer,
dpu_encoder_frame_done_timeout, 0);
 
+   intf_i = disp_info->h_tile_instance[0];
if (disp_info->intf_type == DRM_MODE_ENCODER_DSI)
timer_setup(_enc->vsync_event_timer,
dpu_encoder_vsync_event_handler,
0);
-   else if (disp_info->intf_type == DRM_MODE_ENCODER_TMDS)
+   else if (disp_info->intf_type == DRM_MODE_ENCODER_TMDS) {
dpu_enc->wide_bus_en = msm_dp_wide_bus_available(
-   priv->dp[disp_info->h_tile_instance[0]]);
+   priv->dp[intf_i]);
+   disp_info->connector_type =
+   msm_dp_get_connector_type(priv->dp[intf_i]);
+   }
 
INIT_DELAYED_WORK(_enc->delayed_off_work,
dpu_encoder_off_work);
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h 
b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h
index 9e7236e..d361c5d 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h
@@ -25,16 +25,18 @@
  * @num_of_h_tiles: Number of horizontal tiles in case of split interface
  * @h_tile_instance:Controller instance used per tile. Number of elements 
is
  *  based on num_of_h_tiles
- * @is_cmd_modeBoolean to indicate if the CMD mode is requested
+ * @is_cmd_mode:Boolean to indicate if the CMD mode is requested
+ * @connector_type: DRM_MODE_CONNECTOR_ type
  * @is_te_using_watchdog_timer:  Boolean to indicate watchdog TE is
- *  used instead of panel TE in cmd mode panels
- * @dsc:   DSC configuration data for DSC-enabled displays
+ *  used instead of panel TE in cmd mode panels
+ * @dsc:DSC configuration data for DSC-enabled displays
  */
 struct msm_display_info {
int intf_type;
uint32_t num_of_h_tiles;
uint32_t h_tile_instance[MAX_H_TILES_PER_DISPLAY];
bool is_cmd_mode;
+   int connector_type;
bool is_te_using_watchdog_timer;
struct drm_dsc_config *dsc;
 };
@@ -224,4 +226,22 @@ void dpu_encoder_cleanup_wb_job(struct drm_encoder 
*drm_enc,
  */
 bool dpu_encoder_is_valid_for_commit(struct drm_encoder *drm_enc);
 
+/**
+*