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drm/i915/tc: Add TC PHY hook to get the TC-cold blocking power domain

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Instead of the corresponding if ladder, add a TC PHY hook to get the
platform and TC mode specific power domain used for blocking the TC-cold
power state.

Reviewed-by: Mika Kahola <mika.kahola@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230323142035.1432621-20-imre.deak@intel.com
This commit is contained in:
Imre Deak
2023-03-23 16:20:25 +02:00
parent bc5f983a3d
commit 16cf693e31
1 changed files with 59 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

73
drivers/gpu/drm/i915/display/intel_tc.c
View File

@@ -25,6 +25,7 @@ enum tc_port_mode {
struct intel_tc_port;
struct intel_tc_phy_ops {
enum intel_display_power_domain (*cold_off_domain)(struct intel_tc_port *tc);
u32 (*hpd_live_status)(struct intel_tc_port *tc);
bool (*is_ready)(struct intel_tc_port *tc);
bool (*is_owned)(struct intel_tc_port *tc);
@@ -53,6 +54,8 @@ struct intel_tc_port {
u8 phy_fia_idx;
};
static enum intel_display_power_domain
tc_phy_cold_off_domain(struct intel_tc_port *);
static u32 tc_phy_hpd_live_status(struct intel_tc_port *tc);
static bool tc_phy_is_ready(struct intel_tc_port *tc);
static bool tc_phy_take_ownership(struct intel_tc_port *tc, bool take);
@@ -113,20 +116,8 @@ bool intel_tc_cold_requires_aux_pw(struct intel_digital_port *dig_port)
struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
struct intel_tc_port *tc = to_tc_port(dig_port);
return (DISPLAY_VER(i915) == 11 && tc->legacy_port) ||
IS_ALDERLAKE_P(i915);
}
static enum intel_display_power_domain
tc_phy_cold_off_domain(struct intel_tc_port *tc)
{
struct drm_i915_private *i915 = tc_to_i915(tc);
struct intel_digital_port *dig_port = tc->dig_port;
if (tc->mode == TC_PORT_TBT_ALT || !intel_tc_cold_requires_aux_pw(dig_port))
return POWER_DOMAIN_TC_COLD_OFF;
return intel_display_power_legacy_aux_domain(i915, dig_port->aux_ch);
return tc_phy_cold_off_domain(tc) ==
intel_display_power_legacy_aux_domain(i915, dig_port->aux_ch);
}
static intel_wakeref_t
@@ -334,6 +325,18 @@ static void tc_port_fixup_legacy_flag(struct intel_tc_port *tc,
* ICL TC PHY handlers
* -------------------
*/
static enum intel_display_power_domain
icl_tc_phy_cold_off_domain(struct intel_tc_port *tc)
{
struct drm_i915_private *i915 = tc_to_i915(tc);
struct intel_digital_port *dig_port = tc->dig_port;
if (tc->legacy_port)
return intel_display_power_legacy_aux_domain(i915, dig_port->aux_ch);
return POWER_DOMAIN_TC_COLD_OFF;
}
static u32 icl_tc_phy_hpd_live_status(struct intel_tc_port *tc)
{
struct drm_i915_private *i915 = tc_to_i915(tc);
@@ -540,6 +543,27 @@ static void icl_tc_phy_disconnect(struct intel_tc_port *tc)
}
static const struct intel_tc_phy_ops icl_tc_phy_ops = {
.cold_off_domain = icl_tc_phy_cold_off_domain,
.hpd_live_status = icl_tc_phy_hpd_live_status,
.is_ready = icl_tc_phy_is_ready,
.is_owned = icl_tc_phy_is_owned,
.get_hw_state = icl_tc_phy_get_hw_state,
.connect = icl_tc_phy_connect,
.disconnect = icl_tc_phy_disconnect,
};
/*
* TGL TC PHY handlers
* -------------------
*/
static enum intel_display_power_domain
tgl_tc_phy_cold_off_domain(struct intel_tc_port *tc)
{
return POWER_DOMAIN_TC_COLD_OFF;
}
static const struct intel_tc_phy_ops tgl_tc_phy_ops = {
.cold_off_domain = tgl_tc_phy_cold_off_domain,
.hpd_live_status = icl_tc_phy_hpd_live_status,
.is_ready = icl_tc_phy_is_ready,
.is_owned = icl_tc_phy_is_owned,
@@ -552,6 +576,18 @@ static const struct intel_tc_phy_ops icl_tc_phy_ops = {
* ADLP TC PHY handlers
* --------------------
*/
static enum intel_display_power_domain
adlp_tc_phy_cold_off_domain(struct intel_tc_port *tc)
{
struct drm_i915_private *i915 = tc_to_i915(tc);
struct intel_digital_port *dig_port = tc->dig_port;
if (tc->mode != TC_PORT_TBT_ALT)
return intel_display_power_legacy_aux_domain(i915, dig_port->aux_ch);
return POWER_DOMAIN_TC_COLD_OFF;
}
static u32 adlp_tc_phy_hpd_live_status(struct intel_tc_port *tc)
{
struct drm_i915_private *i915 = tc_to_i915(tc);
@@ -624,6 +660,7 @@ static bool adlp_tc_phy_is_owned(struct intel_tc_port *tc)
}
static const struct intel_tc_phy_ops adlp_tc_phy_ops = {
.cold_off_domain = adlp_tc_phy_cold_off_domain,
.hpd_live_status = adlp_tc_phy_hpd_live_status,
.is_ready = adlp_tc_phy_is_ready,
.is_owned = adlp_tc_phy_is_owned,
@@ -636,6 +673,12 @@ static const struct intel_tc_phy_ops adlp_tc_phy_ops = {
* Generic TC PHY handlers
* -----------------------
*/
static enum intel_display_power_domain
tc_phy_cold_off_domain(struct intel_tc_port *tc)
{
return tc->phy_ops->cold_off_domain(tc);
}
static u32 tc_phy_hpd_live_status(struct intel_tc_port *tc)
{
struct drm_i915_private *i915 = tc_to_i915(tc);
@@ -1246,6 +1289,8 @@ int intel_tc_port_init(struct intel_digital_port *dig_port, bool is_legacy)
if (DISPLAY_VER(i915) >= 13)
tc->phy_ops = &adlp_tc_phy_ops;
else if (DISPLAY_VER(i915) >= 12)
tc->phy_ops = &tgl_tc_phy_ops;
else
tc->phy_ops = &icl_tc_phy_ops;