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disp: msm: add allowed_mode_switch blob property

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The change adds a new mode property allowed_mode_switch. The new
property is a 32bit bitmask that indicates the modes each mode
can switch to. This change is required to pass the driver mode
switching capabilities, so that user mode can reject any mode switch
that is not supported by the driver.

Change-Id: I76d1733a07a6d57487ba9f461055270d7e60e060
Signed-off-by: Satya Rama Aditya Pinapala <psraditya30@codeaurora.org>
This commit is contained in:
Satya Rama Aditya Pinapala
2020-08-25 17:21:48 -07:00
parent 4d3912297a
commit 03f9c40e7d
7 changed files with 129 additions and 0 deletions
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7
msm/sde/sde_connector.c
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@@ -2204,6 +2204,10 @@ static int sde_connector_fill_modes(struct drm_connector *connector,
mode_count = drm_helper_probe_single_connector_modes(connector,
max_width, max_height);
if (sde_conn->ops.set_allowed_mode_switch)
sde_conn->ops.set_allowed_mode_switch(connector,
sde_conn->display);
rc = sde_connector_set_blob_data(connector,
connector->state,
CONNECTOR_PROP_MODE_INFO);
@@ -2554,6 +2558,9 @@ static int sde_connector_populate_mode_info(struct drm_connector *conn,
sde_kms_info_add_keyint(info, "mdp_transfer_time_us",
mode_info.mdp_transfer_time_us);
sde_kms_info_add_keyint(info, "allowed_mode_switch",
mode_info.allowed_mode_switches);
if (!mode_info.roi_caps.num_roi)
continue;