| Message ID | 1533071239-28815-10-git-send-email-manasi.d.navare@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Display Stream Compression enabling on eDP/DP | expand |
On Tue, Jul 31, 2018 at 02:07:05PM -0700, Manasi Navare wrote: > 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> Tested and double checked the values with DSC spec so 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 eda323d..ebd99d7 100644 > --- a/include/drm/drm_dsc.h > +++ b/include/drm/drm_dsc.h > @@ -33,6 +33,12 @@ > #define DSC_MUX_WORD_SIZE_8_10_BPC 48 > #define DSC_MUX_WORD_SIZE_12_BPC 64 > > +/* 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 dsc_rc_range_parameters { > /* Min Quantization Parameters allowed for this range */ > -- > 2.7.4 >
diff --git a/include/drm/drm_dsc.h b/include/drm/drm_dsc.h index eda323d..ebd99d7 100644 --- a/include/drm/drm_dsc.h +++ b/include/drm/drm_dsc.h @@ -33,6 +33,12 @@ #define DSC_MUX_WORD_SIZE_8_10_BPC 48 #define DSC_MUX_WORD_SIZE_12_BPC 64 +/* 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 dsc_rc_range_parameters { /* Min Quantization Parameters allowed for this range */