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disp: msm: sde: expose system cache support for writeback

Forráskód böngészése 
Add a custom cache_enable property in writeback connector to allow
user-mode to control the cache setting on a frame basis. Configure
the hw and activate/deactivate the llcc based on the property. The
custom property is added based on the availability of the system
cache for writeback.

Change-Id: I812b31955eb36c75c33ac279b56502a13f7cdcbf
Signed-off-by: Veera Sundaram Sankaran <veeras@codeaurora.org>
This commit is contained in:
Veera Sundaram Sankaran
2021-07-22 10:46:46 -07:00
szülő ebe5742806
commit 993f61c91d
9 fájl változott, egészen pontosan 108 új sor hozzáadva és 24 régi sor törölve
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25
msm/sde/sde_wb.c
Fájl megtekintése

@@ -530,20 +530,43 @@ int sde_wb_connector_post_init(struct drm_connector *connector, void *display)
{
struct sde_connector *c_conn;
struct sde_wb_device *wb_dev = display;
struct msm_drm_private *priv;
struct sde_kms *sde_kms;
struct sde_mdss_cfg *catalog;
struct sde_sc_cfg *sde_cfg;
static const struct drm_prop_enum_list e_fb_translation_mode[] = {
{SDE_DRM_FB_NON_SEC, "non_sec"},
{SDE_DRM_FB_SEC, "sec"},
};
static const struct drm_prop_enum_list e_cache_state[] = {
{CACHE_STATE_DISABLED, "cache_state_disabled"},
{CACHE_STATE_ENABLED, "cache_state_enabled"},
};
if (!connector || !display || !wb_dev->wb_cfg) {
if (!connector || !display || !wb_dev->wb_cfg || !wb_dev->drm_dev->dev_private) {
SDE_ERROR("invalid params\n");
return -EINVAL;
}
priv = wb_dev->drm_dev->dev_private;
sde_kms = to_sde_kms(priv->kms);
if (!sde_kms || !sde_kms->catalog) {
SDE_ERROR("invalid sde_kms\n");
return -EINVAL;
}
catalog = sde_kms->catalog;
sde_cfg = &catalog->sc_cfg[SDE_SYS_CACHE_DISP_WB];
c_conn = to_sde_connector(connector);
wb_dev->connector = connector;
wb_dev->detect_status = connector_status_connected;
if (sde_cfg->has_sys_cache)
msm_property_install_enum(&c_conn->property_info, "cache_state",
0x0, 0, e_cache_state, ARRAY_SIZE(e_cache_state),
0, CONNECTOR_PROP_CACHE_STATE);
/*
* Add extra connector properties
*/