samsung-sm8650/android_kernel_samsung_sm8650-modules
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disp: msm: dp: add parameter to pass PBN divider

Telusuri Sumber 
Commit 1c6c1cb5afc7 ("drm/dp_mst: Manually overwrite
PBN divider for calculating timeslots") adds a parameter
enabling PBN divider to be overriden. This change updates
the dp driver to set this to 0, which will not override
by default.

Change-Id: I902acc29508f4d32abd34d616b4024e51ee71fd7
Signed-off-by: Samantha Tran <samtran@codeaurora.org>
Signed-off-by: Nilaan Gunabalachandran <ngunabal@codeaurora.org>
This commit is contained in:
Nilaan Gunabalachandran
2020-12-15 13:51:37 -05:00
orang tua af5aee268a
melakukan edc49ec57e
1 mengubah file dengan 3 tambahan dan 2 penghapusan
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5
msm/dp/dp_mst_drm.c
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@@ -57,7 +57,8 @@ struct dp_drm_mst_fw_helper_ops {
int (*find_vcpi_slots)(struct drm_dp_mst_topology_mgr *mgr, int pbn);
int (*atomic_find_vcpi_slots)(struct drm_atomic_state *state,
struct drm_dp_mst_topology_mgr *mgr,
struct drm_dp_mst_port *port, int pbn);
struct drm_dp_mst_port *port,
int pbn, int pbn_div);
bool (*allocate_vcpi)(struct drm_dp_mst_topology_mgr *mgr,
struct drm_dp_mst_port *port,
int pbn, int slots);
@@ -817,7 +818,7 @@ static int _dp_mst_compute_config(struct drm_atomic_state *state,
pbn = mst->mst_fw_cbs->calc_pbn_mode(mode);
slots = mst->mst_fw_cbs->atomic_find_vcpi_slots(state,
&mst->mst_mgr, c_conn->mst_port, pbn);
&mst->mst_mgr, c_conn->mst_port, pbn, 0);
if (slots < 0) {
DP_ERR("conn:%d failed to find vcpi slots. pbn:%d, slots:%d\n",
connector->base.id, pbn, slots);