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[CI,v11,06/23] drm/dsc: Define the DSC 1.1 and 1.2 Line Buffer depth constants

Message ID 20181127180043.21459-6-manasi.d.navare@intel.com (mailing list archive)
State New, archived
Headers show
Series [CI,v11,01/23] drm/dsc: Modify DRM helper to return complete DSC color depth capabilities | expand

Commit Message

Navare, Manasi Nov. 27, 2018, 6 p.m. UTC 
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: dri-devel@lists.freedesktop.org
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Gaurav K Singh <gaurav.k.singh@intel.com>
Signed-off-by: Manasi Navare <manasi.d.navare@intel.com>
Reviewed-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
---
 include/drm/drm_dsc.h | 3 +++
 1 file changed, 3 insertions(+)
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Patch

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 {