On Thu, Mar 16, 2017 at 03:47:46PM +0200, Ander Conselvan De Oliveira wrote: > On Tue, 2017-03-14 at 13:01 -0700, Manasi Navare wrote: > > From: "Navare, Manasi D" <manasi.d.navare@xxxxxxxxx> > > > > Display stream compression is supported on DP 1.4 DP > > devices. This patch adds the corersponding DPCD > > register definitions for DSC. > > > > v3: > > * Add some SHIFTS and MASKS for uniformity (Jani Nikula) > > v2: > > * Rebased on drm-tip > > > > Signed-off-by: Manasi Navare <manasi.d.navare@xxxxxxxxx> > > Cc: Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx> > > Cc: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx> > > Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx > > --- > > include/drm/drm_dp_helper.h | 105 ++++++++++++++++++++++++++++++++++++++++++++ > > 1 file changed, 105 insertions(+) > > > > diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h > > index c0bd0d7..e1fb04f 100644 > > --- a/include/drm/drm_dp_helper.h > > +++ b/include/drm/drm_dp_helper.h > > @@ -179,6 +179,111 @@ > > > > #define DP_GUID 0x030 /* 1.2 */ > > > > +#define DP_DSC_SUPPORT 0x060 /* DP 1.4 */ > > +# define DP_DSC_DECOMPRESSION_IS_SUPPORTED (1 << 0) > > + > > +#define DP_DSC_REV 0x061 > > +# define DP_DSC_MAJOR_MASK (0xf << 0) > > +# define DP_DSC_MINOR_MASK (0xf << 4) > > +# define DP_DSC_MAJOR_SHIFT 0 > > +# define DP_DSC_MINOR_SHIFT 4 > > + > > +#define DP_DSC_RC_BUF_BLK_SIZE 0x062 > > +# define DP_DSC_RC_BUF_BLK_SIZE_1 0x0 > > +# define DP_DSC_RC_BUF_BLK_SIZE_4 0x1 > > +# define DP_DSC_RC_BUF_BLK_SIZE_16 0x2 > > +# define DP_DSC_RC_BUF_BLK_SIZE_64 0x3 > > + > > +#define DP_DSC_RC_BUF_SIZE 0x063 > > + > > +#define DP_DSC_SLICE_CAP_1 0x064 > > +# define DP_DSC_1_PER_DP_DSC_SINK (1 << 0) > > +# define DP_DSC_2_PER_DP_DSC_SINK (1 << 1) > > +# define DP_DSC_4_PER_DP_DSC_SINK (1 << 3) > > +# define DP_DSC_6_PER_DP_DSC_SINK (1 << 4) > > +# define DP_DSC_8_PER_DP_DSC_SINK (1 << 5) > > +# define DP_DSC_10_PER_DP_DSC_SINK (1 << 6) > > +# define DP_DSC_12_PER_DP_DSC_SINK (1 << 7) > > + > > +#define DP_DSC_LINE_BUF_BIT_DEPTH 0x065 > > +# define DP_DSC_LINE_BUF_BIT_DEPTH_MASK (0xf << 0) > > +# define DP_DSC_LINE_BUF_BIT_DEPTH_9 0x0 > > +# define DP_DSC_LINE_BUF_BIT_DEPTH_10 0x1 > > +# define DP_DSC_LINE_BUF_BIT_DEPTH_11 0x2 > > +# define DP_DSC_LINE_BUF_BIT_DEPTH_12 0x3 > > +# define DP_DSC_LINE_BUF_BIT_DEPTH_13 0x4 > > +# define DP_DSC_LINE_BUF_BIT_DEPTH_14 0x5 > > +# define DP_DSC_LINE_BUF_BIT_DEPTH_15 0x6 > > +# define DP_DSC_LINE_BUF_BIT_DEPTH_16 0x7 > > +# define DP_DSC_LINE_BUF_BIT_DEPTH_8 0x8 > > + > > +#define DP_DSC_BLK_PREDICTION_SUPPORT 0x066 > > +# define DP_DSC_BLK_PREDICTION_IS_SUPPORTED (1 << 0) > > + > > +#define DP_DSC_MAX_BITS_PER_PIXEL_LOW 0x067 /* eDP 1.4 */ > > + > > +#define DP_DSC_MAX_BITS_PER_PIXEL_HI 0x068 /* eDP 1.4 */ > > + > > +#define DP_DSC_DEC_COLOR_FORMAT_CAP 0x069 > > +# define DP_DSC_RGB (1 << 0) > > +# define DP_DSC_YCbCr444 (1 << 1) > > +# define DP_DSC_YCbCr422_Simple (1 << 2) > > +# define DP_DSC_YCbCr422_Native (1 << 3) > > +# define DP_DSC_YCbCr420_Native (1 << 4) > > + > > +#define DP_DSC_DEC_COLOR_DEPTH_CAP 0x06A > > +# define DP_DSC_8_BPC (1 << 1) > > +# define DP_DSC_10_BPC (1 << 2) > > +# define DP_DSC_12_BPC (1 << 3) > > + > > +#define DP_DSC_PEAK_THROUGHPUT 0x06B > > +# define DP_DSC_THROUGHPUT_MODE_0_MASK (0xf << 0) > > +# define DP_DSC_THROUGHPUT_MODE_0_SHIFT 0 > > +# define DP_DSC_THROUGHPUT_MODE_0_340 (1 << 0) > > +# define DP_DSC_THROUGHPUT_MODE_0_400 (2 << 0) > > +# define DP_DSC_THROUGHPUT_MODE_0_450 (3 << 0) > > +# define DP_DSC_THROUGHPUT_MODE_0_500 (4 << 0) > > +# define DP_DSC_THROUGHPUT_MODE_0_550 (5 << 0) > > +# define DP_DSC_THROUGHPUT_MODE_0_600 (6 << 0) > > +# define DP_DSC_THROUGHPUT_MODE_0_650 (7 << 0) > > +# define DP_DSC_THROUGHPUT_MODE_0_700 (8 << 0) > > +# define DP_DSC_THROUGHPUT_MODE_0_750 (9 << 0) > > +# define DP_DSC_THROUGHPUT_MODE_0_800 (10 << 0) > > +# define DP_DSC_THROUGHPUT_MODE_0_850 (11 << 0) > > +# define DP_DSC_THROUGHPUT_MODE_0_900 (12 << 0) > > +# define DP_DSC_THROUGHPUT_MODE_0_950 (13 << 0) > > +# define DP_DSC_THROUGHPUT_MODE_0_1000 (14 << 0) > > +# define DP_DSC_THROUGHPUT_MODE_1_MASK (0xf << 4) > > +# define DP_DSC_THROUGHPUT_MODE_1_SHIFT 4 > > +# define DP_DSC_THROUGHPUT_MODE_1_340 (1 << 4) > > +# define DP_DSC_THROUGHPUT_MODE_1_400 (2 << 4) > > +# define DP_DSC_THROUGHPUT_MODE_1_450 (3 << 4) > > +# define DP_DSC_THROUGHPUT_MODE_1_500 (4 << 4) > > +# define DP_DSC_THROUGHPUT_MODE_1_550 (5 << 4) > > +# define DP_DSC_THROUGHPUT_MODE_1_600 (6 << 4) > > +# define DP_DSC_THROUGHPUT_MODE_1_650 (7 << 4) > > +# define DP_DSC_THROUGHPUT_MODE_1_700 (8 << 4) > > +# define DP_DSC_THROUGHPUT_MODE_1_750 (9 << 4) > > +# define DP_DSC_THROUGHPUT_MODE_1_800 (10 << 4) > > +# define DP_DSC_THROUGHPUT_MODE_1_850 (11 << 4) > > +# define DP_DSC_THROUGHPUT_MODE_1_900 (12 << 4) > > +# define DP_DSC_THROUGHPUT_MODE_1_950 (13 << 4) > > +# define DP_DSC_THROUGHPUT_MODE_1_1000 (14 << 4) > > + > > +#define DP_DSC_MAX_SLICE_WIDTH 0x06C > > + > > +#define DP_DSC_SLICE_CAP_2 0x06D > > +# define DP_DSC_16_PER_DP_DSC_SINK (1 << 0) > > +# define DP_DSC_20_PER_DP_DSC_SINK (1 << 1) > > +# define DP_DSC_24_PER_DP_DSC_SINK (1 << 2) > > + > > +#define DP_DSC_BITS_PER_PIXEL_INC 0x06F > > +# define DP_DSC_BITS_PER_PIXEL_1_16 0x0 > > +# define DP_DSC_BITS_PER_PIXEL_1_8 0x1 > > +# define DP_DSC_BITS_PER_PIXEL_1_4 0x2 > > +# define DP_DSC_BITS_PER_PIXEL_1_2 0x3 > > +# define DP_DSC_BITS_PER_PIXEL_1 0x4 > > + > > Maybe add the DSC enable dpcd too (0x160)? > > Ander > Thanks for catching this. I missed it because after 0x06F it says end of DSC register set. I will add this and submit a new revision. Regards Manasi > > > #define DP_PSR_SUPPORT 0x070 /* XXX 1.2? */ > > # define DP_PSR_IS_SUPPORTED 1 > > # define DP_PSR2_IS_SUPPORTED 2 /* eDP 1.4 */ _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
