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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: [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]>
Acked-by: Sean Paul <[email protected]> (For merging through
drm-intel)
Reviewed-by: Anusha Srivatsa <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
This commit is contained in:
Manasi Navare 2018-11-27 13:41:08 -08:00
commit f25310c736
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 {