Re: [RFC PATCH 03/13] drm/msm/dsi: add support for dsc data

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On 21/05/2021 15:49, Vinod Koul wrote:
DSC needs some configuration from device tree, add support to read and
store these params and add DSC structures in msm_drv

Signed-off-by: Vinod Koul <vkoul@xxxxxxxxxx>
---
  drivers/gpu/drm/msm/dsi/dsi_host.c | 170 +++++++++++++++++++++++++++++
  drivers/gpu/drm/msm/msm_drv.h      |  32 ++++++
  2 files changed, 202 insertions(+)



[skipped]


  		DRM_DEV_ERROR(dev, "%s: invalid lane configuration %d\n",
diff --git a/drivers/gpu/drm/msm/msm_drv.h b/drivers/gpu/drm/msm/msm_drv.h
index 2668941df529..26661dd43936 100644
--- a/drivers/gpu/drm/msm/msm_drv.h
+++ b/drivers/gpu/drm/msm/msm_drv.h
@@ -30,6 +30,7 @@
  #include <drm/drm_plane_helper.h>
  #include <drm/drm_probe_helper.h>
  #include <drm/drm_fb_helper.h>
+#include <drm/drm_dsc.h>
  #include <drm/msm_drm.h>
  #include <drm/drm_gem.h>
@@ -70,6 +71,16 @@ enum msm_mdp_plane_property {
  #define MSM_GPU_MAX_RINGS 4
  #define MAX_H_TILES_PER_DISPLAY 2
+/**
+ * enum msm_display_compression_type - compression method used for pixel stream
+ * @MSM_DISPLAY_COMPRESSION_NONE:	Pixel data is not compressed
+ * @MSM_DISPLAY_COMPRESSION_DSC:	DSC compresison is used
+ */
+enum msm_display_compression_type {
+	MSM_DISPLAY_COMPRESSION_NONE,
+	MSM_DISPLAY_COMPRESSION_DSC,
+};
+

Seems to be unused

  /**
   * enum msm_display_caps - features/capabilities supported by displays
   * @MSM_DISPLAY_CAP_VID_MODE:           Video or "active" mode supported



--
With best wishes
Dmitry



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