diff options
| author | Mitul Golani <[email protected]> | 2024-06-10 12:51:59 +0530 |
|---|---|---|
| committer | Suraj Kandpal <[email protected]> | 2024-06-11 09:58:14 +0530 |
| commit | eba88f28121507b14b328c6e61818c794f313b17 (patch) | |
| tree | 0a64a33b2b198e65368eb420675b072df8f51ff0 | |
| parent | a20c6d954d75b2e188618e36de43d13d413d4e06 (diff) | |
drm/i915/display: Add support for pack and unpack
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).
--v3:
- target_rr_divider is bools so set accordingly (Ankit).
Signed-off-by: Mitul Golani <[email protected]>
Reviewed-by: Ankit Nautiyal <[email protected]>
Signed-off-by: Suraj Kandpal <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index fd054e16850d..ac81b172b1ec 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -4232,6 +4232,9 @@ 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; } @@ -4413,6 +4416,7 @@ 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 ? true : false; return 0; } |