Re: [PATCH 3/4] drm/msm/disp/dpu1: helper function to determine if encoder is virtual

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On 09/11/2022 15:16, Kalyan Thota wrote:
Add a helper function to determine if an encoder is of type
virtual.

Please use commit messages to describe why you are doing something, not what you are doing. In this case I can predict, why do you need this API without going to patch 4.


Signed-off-by: Kalyan Thota <quic_kalyant@xxxxxxxxxxx>
---
  drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c | 11 +++++++++++
  drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h |  6 ++++++
  2 files changed, 17 insertions(+)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
index 5d6ad1f..4c56a16 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
@@ -2469,6 +2469,17 @@ bool dpu_encoder_is_external(struct drm_encoder *drm_enc)
  	return dpu_enc->disp_info.is_external;
  }
+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.intf_type == DRM_MODE_ENCODER_VIRTUAL);
+}
+
  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 43f0d8b..6ae3c62 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.h
@@ -136,6 +136,12 @@ void dpu_encoder_virt_runtime_resume(struct drm_encoder *encoder);
  bool dpu_encoder_is_external(struct drm_encoder *drm_enc);
/**
+ * dpu_encoder_is_virtual - find if the encoder is of type virtual.
+ * @drm_enc:    Pointer to previously created drm encoder structure
+ */
+bool dpu_encoder_is_virtual(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

--
With best wishes
Dmitry




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