| Message ID | 20240524102432.2499104-6-mitulkumar.ajitkumar.golani@intel.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | Implement CMRR Support | expand |
On 5/24/2024 3:54 PM, Mitul Golani wrote: > Add support of pack and unpack for target_rr_divider. > > --v2: > - Set Target Refresh Rate Divider bit when related > AS SDP bit is set (Ankit). > > Signed-off-by: Mitul Golani <mitulkumar.ajitkumar.golani@intel.com> > --- > drivers/gpu/drm/i915/display/intel_dp.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c > index c0a3b6d50681..15aab14c4206 100644 > --- a/drivers/gpu/drm/i915/display/intel_dp.c > +++ b/drivers/gpu/drm/i915/display/intel_dp.c > @@ -4230,6 +4230,9 @@ static ssize_t intel_dp_as_sdp_pack(const struct drm_dp_as_sdp *as_sdp, > sdp->db[3] = as_sdp->target_rr & 0xFF; > sdp->db[4] = (as_sdp->target_rr >> 8) & 0x3; > > + if (as_sdp->target_rr_divider) > + sdp->db[4] |= 0x20; > + > return length; > } > > @@ -4410,6 +4413,7 @@ int intel_dp_as_sdp_unpack(struct drm_dp_as_sdp *as_sdp, > as_sdp->mode = sdp->db[0] & DP_ADAPTIVE_SYNC_SDP_OPERATION_MODE; > as_sdp->vtotal = (sdp->db[2] << 8) | sdp->db[1]; > as_sdp->target_rr = (u64)sdp->db[3] | ((u64)sdp->db[4] & 0x3); > + as_sdp->target_rr_divider = sdp->db[4] & 0x20; Missed to point this last time: target_rr_divider is a bool so perhaps: as_sdp->target_rr_divider = sdp->db[4] & 0x20 ? true : false Regards, Ankit > > return 0; > }
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index c0a3b6d50681..15aab14c4206 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -4230,6 +4230,9 @@ static ssize_t intel_dp_as_sdp_pack(const struct drm_dp_as_sdp *as_sdp, sdp->db[3] = as_sdp->target_rr & 0xFF; sdp->db[4] = (as_sdp->target_rr >> 8) & 0x3; + if (as_sdp->target_rr_divider) + sdp->db[4] |= 0x20; + return length; } @@ -4410,6 +4413,7 @@ int intel_dp_as_sdp_unpack(struct drm_dp_as_sdp *as_sdp, as_sdp->mode = sdp->db[0] & DP_ADAPTIVE_SYNC_SDP_OPERATION_MODE; as_sdp->vtotal = (sdp->db[2] << 8) | sdp->db[1]; as_sdp->target_rr = (u64)sdp->db[3] | ((u64)sdp->db[4] & 0x3); + as_sdp->target_rr_divider = sdp->db[4] & 0x20; return 0; }
Add support of pack and unpack for target_rr_divider. --v2: - Set Target Refresh Rate Divider bit when related AS SDP bit is set (Ankit). Signed-off-by: Mitul Golani <mitulkumar.ajitkumar.golani@intel.com> --- drivers/gpu/drm/i915/display/intel_dp.c | 4 ++++ 1 file changed, 4 insertions(+)