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UPSTREAM: drm/dsc: Define the DSC 1.1 and 1.2 Line Buffer depth constants

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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>
Acked-by: Sean Paul <seanpaul@chromium.org> (For merging through
drm-intel)
Reviewed-by: Anusha Srivatsa <anusha.srivatsa@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181127214125.17658-6-manasi.d.navare@intel.com
(cherry picked from commit f25310c736)
Change-Id: I1582b2b49463810f356bf7fdaf35b0730a81308c
This commit is contained in:
Manasi Navare
2018-11-27 13:41:08 -08:00
committed by Tao Huang
parent 24674c188c
commit d9e8d88cb0
1 changed files with 3 additions and 0 deletions
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3
include/drm/drm_dsc.h
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@@ -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 {