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Message-Id: <1667996206-4153-2-git-send-email-quic_kalyant@quicinc.com>
Date: Wed, 9 Nov 2022 04:16:44 -0800
From: Kalyan Thota <quic_kalyant@...cinc.com>
To: dri-devel@...ts.freedesktop.org, linux-arm-msm@...r.kernel.org,
freedreno@...ts.freedesktop.org, devicetree@...r.kernel.org
Cc: Kalyan Thota <quic_kalyant@...cinc.com>,
linux-kernel@...r.kernel.org, robdclark@...omium.org,
dianders@...omium.org, swboyd@...omium.org,
quic_vpolimer@...cinc.com, dmitry.baryshkov@...aro.org,
quic_abhinavk@...cinc.com
Subject: [PATCH 2/4] drm/msm/disp/dpu1: populate disp_info if an interface is external
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 <quic_kalyant@...cinc.com>
---
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_mode Boolean 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_private *dp;
diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h
index ea80846..3b9f8d2 100644
--- a/drivers/gpu/drm/msm/msm_drv.h
+++ b/drivers/gpu/drm/msm/msm_drv.h
@@ -331,7 +331,7 @@ void msm_dp_snapshot(struct msm_disp_state *disp_state, struct msm_dp *dp_displa
void msm_dp_debugfs_init(struct msm_dp *dp_display, struct drm_minor *minor);
bool msm_dp_wide_bus_available(const struct msm_dp *dp_display);
-
+bool msm_dp_is_external(const struct msm_dp *dp_display);
#else
static inline int __init msm_dp_register(void)
{
@@ -365,6 +365,11 @@ static inline bool msm_dp_wide_bus_available(const struct msm_dp *dp_display)
return false;
}
+static inline bool msm_dp_is_external(const struct msm_dp *dp_display)
+{
+ return false;
+}
+
#endif
#ifdef CONFIG_DRM_MSM_MDP4
--
2.7.4
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