From: "Srivatsa, Anusha" anusha.srivatsa@intel.com
DSC has some Rate Control values that remain constant across all configurations. These are as per the DSC standard.
v3: * Define them in drm_dsc.h as they are DSC constants (Manasi) v2: * Add DP_DSC_ prefix (Jani Nikula)
Cc: dri-devel@lists.freedesktop.org Cc: Manasi Navare manasi.d.navare@intel.com Cc: Jani Nikula jani.nikula@linux.intel.com Cc: Ville Syrjala ville.syrjala@linux.intel.com Cc: Gaurav K Singh gaurav.k.singh@intel.com Cc: Harry Wentland harry.wentland@amd.com Signed-off-by: Anusha Srivatsa anusha.srivatsa@intel.com Reviewed-by: Manasi Navare manasi.d.navare@intel.com --- include/drm/drm_dsc.h | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/include/drm/drm_dsc.h b/include/drm/drm_dsc.h index 3292dfed9d0a..b88e31bd9da7 100644 --- a/include/drm/drm_dsc.h +++ b/include/drm/drm_dsc.h @@ -18,6 +18,12 @@ #define DSC_SCALE_DECREMENT_INTERVAL_MAX 4095 #define DSC_RANGE_BPG_OFFSET_MASK 0x3f
+/* DSC Rate Control Constants */ +#define DSC_RC_MODEL_SIZE_CONST 8192 +#define DSC_RC_EDGE_FACTOR_CONST 6 +#define DSC_RC_TGT_OFFSET_HI_CONST 3 +#define DSC_RC_TGT_OFFSET_LO_CONST 3 + /* Configuration for a single Rate Control model range */ struct drm_dsc_rc_range_parameters { /* Min Quantization Parameters allowed for this range */