Re: [Freedreno] [PATCH 2/4] drm/msm/disp/dpu1: populate disp_info if an interface is external

2022-11-09 Thread Dmitry Baryshkov

On 09/11/2022 15:16, Kalyan Thota wrote:

DRM encoder type is same for eDP and DP (DRM_MODE_ENCODER_TMDS)
populate is_external information in the disp_info so as to
differentiate between eDP and DP on the DPU encoder side.

Signed-off-by: Kalyan Thota 
---
  drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 20 +---
  drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h | 14 +++---
  drivers/gpu/drm/msm/dp/dp_display.c |  5 +
  drivers/gpu/drm/msm/msm_drv.h   |  7 ++-
  4 files changed, 39 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..5d6ad1f 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
@@ -2412,7 +2412,7 @@ 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 +2424,16 @@ int dpu_encoder_setup(struct drm_device *dev, struct drm_encoder *enc,

timer_setup(&dpu_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(&dpu_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->is_external = msm_dp_is_external(priv->dp[intf_i]);
+   }


I will quite myself: "And DSI can be pluggable too. Please enumerate 
connector types here rather than doing that in DP driver."

Your s/pluggable/external/ doesn't fix the issue.

  
  	INIT_DELAYED_WORK(&dpu_enc->delayed_off_work,

dpu_encoder_off_work);
@@ -2455,6 +2458,17 @@ int dpu_encoder_setup(struct drm_device *dev, struct 
drm_encoder *enc,
  
  }
  
+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.is_external;
+}
+
  struct drm_encoder *dpu_encoder_init(struct drm_device *dev,
int drm_enc_mode)
  {
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h 
b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h
index 9e7236e..43f0d8b 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
+ * @is_external:Boolean to indicate if the intf is external
   * @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;
+   bool is_external;
bool is_te_using_watchdog_timer;
struct drm_dsc_config *dsc;
  };
@@ -128,6 +130,12 @@ enum dpu_intf_mode dpu_encoder_get_intf_mode(struct 
drm_encoder *encoder);
  void dpu_encoder_virt_runtime_resume(struct drm_encoder *encoder);
  
  /**

+ * dpu_encoder_is_external - find if the encoder is of type external
+ * @drm_enc:Pointer to previously created drm encoder structure
+ */
+bool dpu_encoder_is_external(struct drm_encoder *drm_enc);
+
+/**
   * dpu_encoder_init - initialize virtual encoder object
   * @dev:Pointer to drm device structure
   * @disp_info:  Pointer to display information structure
diff --git a/drivers/gpu/drm/msm/dp/dp_display.c 
b/drivers/gpu/drm/msm/dp/dp_display.c
index bfd0aef..0bbdcca5 100644
--- a/drivers/gpu/drm/msm/dp/dp_display.c
+++ b/drivers/gpu/drm/msm/dp/dp_display.c
@@ -1509,6 +1509,11 @@ bool msm_dp_wide_bus_available(const struct msm_dp 
*dp_display)
return dp->wide_bus_en;
  }
  
+bool msm_dp_is

[Freedreno] [PATCH 2/4] drm/msm/disp/dpu1: populate disp_info if an interface is external

2022-11-09 Thread Kalyan Thota
DRM encoder type is same for eDP and DP (DRM_MODE_ENCODER_TMDS)
populate is_external information in the disp_info so as to
differentiate between eDP and DP on the DPU encoder side.

Signed-off-by: Kalyan Thota 
---
 drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 20 +---
 drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h | 14 +++---
 drivers/gpu/drm/msm/dp/dp_display.c |  5 +
 drivers/gpu/drm/msm/msm_drv.h   |  7 ++-
 4 files changed, 39 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..5d6ad1f 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
@@ -2412,7 +2412,7 @@ 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 +2424,16 @@ int dpu_encoder_setup(struct drm_device *dev, struct 
drm_encoder *enc,
timer_setup(&dpu_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(&dpu_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->is_external = msm_dp_is_external(priv->dp[intf_i]);
+   }
 
INIT_DELAYED_WORK(&dpu_enc->delayed_off_work,
dpu_encoder_off_work);
@@ -2455,6 +2458,17 @@ int dpu_encoder_setup(struct drm_device *dev, struct 
drm_encoder *enc,
 
 }
 
+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.is_external;
+}
+
 struct drm_encoder *dpu_encoder_init(struct drm_device *dev,
int drm_enc_mode)
 {
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h 
b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h
index 9e7236e..43f0d8b 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
+ * @is_external:Boolean to indicate if the intf is external
  * @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;
+   bool is_external;
bool is_te_using_watchdog_timer;
struct drm_dsc_config *dsc;
 };
@@ -128,6 +130,12 @@ enum dpu_intf_mode dpu_encoder_get_intf_mode(struct 
drm_encoder *encoder);
 void dpu_encoder_virt_runtime_resume(struct drm_encoder *encoder);
 
 /**
+ * dpu_encoder_is_external - find if the encoder is of type external
+ * @drm_enc:Pointer to previously created drm encoder structure
+ */
+bool dpu_encoder_is_external(struct drm_encoder *drm_enc);
+
+/**
  * dpu_encoder_init - initialize virtual encoder object
  * @dev:Pointer to drm device structure
  * @disp_info:  Pointer to display information structure
diff --git a/drivers/gpu/drm/msm/dp/dp_display.c 
b/drivers/gpu/drm/msm/dp/dp_display.c
index bfd0aef..0bbdcca5 100644
--- a/drivers/gpu/drm/msm/dp/dp_display.c
+++ b/drivers/gpu/drm/msm/dp/dp_display.c
@@ -1509,6 +1509,11 @@ bool msm_dp_wide_bus_available(const struct msm_dp 
*dp_display)
return dp->wide_bus_en;
 }
 
+bool msm_dp_is_external(const struct msm_dp *dp_display)
+{
+   return (dp_display->connector_type == DRM_MODE_CONNECTOR_DisplayPort);
+}
+
 void msm_dp_debugfs_init(struct msm_dp *dp_display, struct drm_minor *minor)
 {
struct dp_display_privat