DSC specification defines linebuf_depth which contains the
line buffer bit depth used to generate the bitstream.
These values are defined as per Table 4.1 in DSC 1.2 spec

v2 (From Manasi):
* Rename as MAX_LINEBUF_DEPTH for DSC 1.1 and DSC 1.2

Cc: [email protected]
Cc: Jani Nikula <[email protected]>
Cc: Ville Syrjälä <[email protected]>
Signed-off-by: Gaurav K Singh <[email protected]>
Signed-off-by: Manasi Navare <[email protected]>
Reviewed-by: Anusha Srivatsa <[email protected]>
---
 include/drm/drm_dsc.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/drm/drm_dsc.h b/include/drm/drm_dsc.h
index 52e57ceaff80..d03f1b83421a 100644
--- a/include/drm/drm_dsc.h
+++ b/include/drm/drm_dsc.h
@@ -40,6 +40,9 @@
 #define DSC_PPS_RC_RANGE_MINQP_SHIFT           11
 #define DSC_PPS_RC_RANGE_MAXQP_SHIFT           6
 #define DSC_PPS_NATIVE_420_SHIFT               1
+#define DSC_1_2_MAX_LINEBUF_DEPTH_BITS         16
+#define DSC_1_2_MAX_LINEBUF_DEPTH_VAL          0
+#define DSC_1_1_MAX_LINEBUF_DEPTH_BITS         13
 
 /* Configuration for a single Rate Control model range */
 struct drm_dsc_rc_range_parameters {
-- 
2.18.0

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