On Tue, 23 Jan 2018, Harry Wentland <harry.wentland@xxxxxxx> wrote: > On 2018-01-22 05:43 PM, Manasi Navare wrote: >> Existing helpers add support upto HBR2. This patch >> adds support for HBR3 rate (8.1 Gbps) introduced as >> part of DP 1.4 specification. >> >> Cc: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx> >> Cc: Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx> >> Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx >> Signed-off-by: Manasi Navare <manasi.d.navare@xxxxxxxxx> > > Both patches look right according to DP 1.4 spec. > > Series is > Reviewed-by: Harry Wentland <harry.wentland@xxxxxxx> Both pushed to drm-misc-next, thanks for the patches and review. BR, Jani. > > Harry > >> --- >> drivers/gpu/drm/drm_dp_helper.c | 4 ++++ >> drivers/gpu/drm/drm_dp_mst_topology.c | 3 +++ >> include/drm/drm_dp_helper.h | 1 + >> 3 files changed, 8 insertions(+) >> >> diff --git a/drivers/gpu/drm/drm_dp_helper.c b/drivers/gpu/drm/drm_dp_helper.c >> index adf79be..ffe14ec 100644 >> --- a/drivers/gpu/drm/drm_dp_helper.c >> +++ b/drivers/gpu/drm/drm_dp_helper.c >> @@ -146,6 +146,8 @@ u8 drm_dp_link_rate_to_bw_code(int link_rate) >> return DP_LINK_BW_2_7; >> case 540000: >> return DP_LINK_BW_5_4; >> + case 810000: >> + return DP_LINK_BW_8_1; >> } >> } >> EXPORT_SYMBOL(drm_dp_link_rate_to_bw_code); >> @@ -161,6 +163,8 @@ int drm_dp_bw_code_to_link_rate(u8 link_bw) >> return 270000; >> case DP_LINK_BW_5_4: >> return 540000; >> + case DP_LINK_BW_8_1: >> + return 810000; >> } >> } >> EXPORT_SYMBOL(drm_dp_bw_code_to_link_rate); >> diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c >> index 70dcfa5..36df7df 100644 >> --- a/drivers/gpu/drm/drm_dp_mst_topology.c >> +++ b/drivers/gpu/drm/drm_dp_mst_topology.c >> @@ -2087,6 +2087,9 @@ static bool drm_dp_get_vc_payload_bw(int dp_link_bw, >> case DP_LINK_BW_5_4: >> *out = 10 * dp_link_count; >> break; >> + case DP_LINK_BW_8_1: >> + *out = 15 * dp_link_count; >> + break; >> } >> return true; >> } >> diff --git a/include/drm/drm_dp_helper.h b/include/drm/drm_dp_helper.h >> index 9d3ce3b..c80fa92 100644 >> --- a/include/drm/drm_dp_helper.h >> +++ b/include/drm/drm_dp_helper.h >> @@ -334,6 +334,7 @@ >> # define DP_LINK_BW_1_62 0x06 >> # define DP_LINK_BW_2_7 0x0a >> # define DP_LINK_BW_5_4 0x14 /* 1.2 */ >> +# define DP_LINK_BW_8_1 0x1e /* 1.4 */ >> >> #define DP_LANE_COUNT_SET 0x101 >> # define DP_LANE_COUNT_MASK 0x0f >> > _______________________________________________ > dri-devel mailing list > dri-devel@xxxxxxxxxxxxxxxxxxxxx > https://lists.freedesktop.org/mailman/listinfo/dri-devel -- Jani Nikula, Intel Open Source Technology Center _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
