________________________________________
From: Intel-gfx [intel-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx] on behalf of Manasi Navare [manasi.d.navare@xxxxxxxxx]
Sent: Friday, October 05, 2018 4:22 PM
To: intel-gfx@xxxxxxxxxxxxxxxxxxxxx; dri-devel@xxxxxxxxxxxxxxxxxxxxx
Subject: [PATCH v5 15/28] drm/dsc: Define the DSC 1.1 and 1.2 Line Buffer depth constants
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@xxxxxxxxxxxxxxxxxxxxx
Cc: Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx>
Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Signed-off-by: Gaurav K Singh <gaurav.k.singh@xxxxxxxxx>
Signed-off-by: Manasi Navare <manasi.d.navare@xxxxxxxxx>
Reviewed-by: Anusha Srivatsa <anusha.srivatsa@xxxxxxxxx>
---
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 0e5e3368d645..8562d8ee8161 100644
--- a/include/drm/drm_dsc.h
+++ b/include/drm/drm_dsc.h
@@ -41,6 +41,9 @@
#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 dsc_rc_range_parameters {
--
2.18.0
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