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-rw-r--r--drivers/gpu/drm/i915/display/icl_dsi.c3
-rw-r--r--drivers/gpu/drm/i915/display/intel_bios.c46
-rw-r--r--drivers/gpu/drm/i915/display/intel_display_power_well.c17
-rw-r--r--drivers/gpu/drm/i915/display/intel_display_trace.h6
-rw-r--r--drivers/gpu/drm/i915/display/intel_dpll_mgr.c200
-rw-r--r--drivers/gpu/drm/i915/display/intel_dpll_mgr.h4
-rw-r--r--drivers/gpu/drm/i915/display/intel_dsb.c14
-rw-r--r--drivers/gpu/drm/i915/display/intel_vrr.c7
8 files changed, 193 insertions, 104 deletions
diff --git a/drivers/gpu/drm/i915/display/icl_dsi.c b/drivers/gpu/drm/i915/display/icl_dsi.c
index bf0dbd7d06..67143a0f51 100644
--- a/drivers/gpu/drm/i915/display/icl_dsi.c
+++ b/drivers/gpu/drm/i915/display/icl_dsi.c
@@ -1155,7 +1155,6 @@ static void gen11_dsi_powerup_panel(struct intel_encoder *encoder)
}
intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_INIT_OTP);
- intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_DISPLAY_ON);
/* ensure all panel commands dispatched before enabling transcoder */
wait_for_cmds_dispatched_to_panel(encoder);
@@ -1256,6 +1255,8 @@ static void gen11_dsi_enable(struct intel_atomic_state *state,
/* step6d: enable dsi transcoder */
gen11_dsi_enable_transcoder(encoder);
+ intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_DISPLAY_ON);
+
/* step7: enable backlight */
intel_backlight_enable(crtc_state, conn_state);
intel_dsi_vbt_exec_sequence(intel_dsi, MIPI_SEQ_BACKLIGHT_ON);
diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c
index 4e8f1e91bb..e7ea287845 100644
--- a/drivers/gpu/drm/i915/display/intel_bios.c
+++ b/drivers/gpu/drm/i915/display/intel_bios.c
@@ -1952,16 +1952,12 @@ static int get_init_otp_deassert_fragment_len(struct drm_i915_private *i915,
* these devices we split the init OTP sequence into a deassert sequence and
* the actual init OTP part.
*/
-static void fixup_mipi_sequences(struct drm_i915_private *i915,
- struct intel_panel *panel)
+static void vlv_fixup_mipi_sequences(struct drm_i915_private *i915,
+ struct intel_panel *panel)
{
u8 *init_otp;
int len;
- /* Limit this to VLV for now. */
- if (!IS_VALLEYVIEW(i915))
- return;
-
/* Limit this to v1 vid-mode sequences */
if (panel->vbt.dsi.config->is_cmd_mode ||
panel->vbt.dsi.seq_version != 1)
@@ -1997,6 +1993,41 @@ static void fixup_mipi_sequences(struct drm_i915_private *i915,
panel->vbt.dsi.sequence[MIPI_SEQ_INIT_OTP] = init_otp + len - 1;
}
+/*
+ * Some machines (eg. Lenovo 82TQ) appear to have broken
+ * VBT sequences:
+ * - INIT_OTP is not present at all
+ * - what should be in INIT_OTP is in DISPLAY_ON
+ * - what should be in DISPLAY_ON is in BACKLIGHT_ON
+ * (along with the actual backlight stuff)
+ *
+ * To make those work we simply swap DISPLAY_ON and INIT_OTP.
+ *
+ * TODO: Do we need to limit this to specific machines,
+ * or examine the contents of the sequences to
+ * avoid false positives?
+ */
+static void icl_fixup_mipi_sequences(struct drm_i915_private *i915,
+ struct intel_panel *panel)
+{
+ if (!panel->vbt.dsi.sequence[MIPI_SEQ_INIT_OTP] &&
+ panel->vbt.dsi.sequence[MIPI_SEQ_DISPLAY_ON]) {
+ drm_dbg_kms(&i915->drm, "Broken VBT: Swapping INIT_OTP and DISPLAY_ON sequences\n");
+
+ swap(panel->vbt.dsi.sequence[MIPI_SEQ_INIT_OTP],
+ panel->vbt.dsi.sequence[MIPI_SEQ_DISPLAY_ON]);
+ }
+}
+
+static void fixup_mipi_sequences(struct drm_i915_private *i915,
+ struct intel_panel *panel)
+{
+ if (DISPLAY_VER(i915) >= 11)
+ icl_fixup_mipi_sequences(i915, panel);
+ else if (IS_VALLEYVIEW(i915))
+ vlv_fixup_mipi_sequences(i915, panel);
+}
+
static void
parse_mipi_sequence(struct drm_i915_private *i915,
struct intel_panel *panel)
@@ -3321,6 +3352,9 @@ bool intel_bios_encoder_supports_dp_dual_mode(const struct intel_bios_encoder_da
{
const struct child_device_config *child = &devdata->child;
+ if (!devdata)
+ return false;
+
if (!intel_bios_encoder_supports_dp(devdata) ||
!intel_bios_encoder_supports_hdmi(devdata))
return false;
diff --git a/drivers/gpu/drm/i915/display/intel_display_power_well.c b/drivers/gpu/drm/i915/display/intel_display_power_well.c
index 07d6500500..82dd5be72e 100644
--- a/drivers/gpu/drm/i915/display/intel_display_power_well.c
+++ b/drivers/gpu/drm/i915/display/intel_display_power_well.c
@@ -246,7 +246,14 @@ static enum phy icl_aux_pw_to_phy(struct drm_i915_private *i915,
enum aux_ch aux_ch = icl_aux_pw_to_ch(power_well);
struct intel_digital_port *dig_port = aux_ch_to_digital_port(i915, aux_ch);
- return intel_port_to_phy(i915, dig_port->base.port);
+ /*
+ * FIXME should we care about the (VBT defined) dig_port->aux_ch
+ * relationship or should this be purely defined by the hardware layout?
+ * Currently if the port doesn't appear in the VBT, or if it's declared
+ * as HDMI-only and routed to a combo PHY, the encoder either won't be
+ * present at all or it will not have an aux_ch assigned.
+ */
+ return dig_port ? intel_port_to_phy(i915, dig_port->base.port) : PHY_NONE;
}
static void hsw_wait_for_power_well_enable(struct drm_i915_private *dev_priv,
@@ -414,7 +421,8 @@ icl_combo_phy_aux_power_well_enable(struct drm_i915_private *dev_priv,
intel_de_rmw(dev_priv, regs->driver, 0, HSW_PWR_WELL_CTL_REQ(pw_idx));
- if (DISPLAY_VER(dev_priv) < 12)
+ /* FIXME this is a mess */
+ if (phy != PHY_NONE)
intel_de_rmw(dev_priv, ICL_PORT_CL_DW12(phy),
0, ICL_LANE_ENABLE_AUX);
@@ -437,7 +445,10 @@ icl_combo_phy_aux_power_well_disable(struct drm_i915_private *dev_priv,
drm_WARN_ON(&dev_priv->drm, !IS_ICELAKE(dev_priv));
- intel_de_rmw(dev_priv, ICL_PORT_CL_DW12(phy), ICL_LANE_ENABLE_AUX, 0);
+ /* FIXME this is a mess */
+ if (phy != PHY_NONE)
+ intel_de_rmw(dev_priv, ICL_PORT_CL_DW12(phy),
+ ICL_LANE_ENABLE_AUX, 0);
intel_de_rmw(dev_priv, regs->driver, HSW_PWR_WELL_CTL_REQ(pw_idx), 0);
diff --git a/drivers/gpu/drm/i915/display/intel_display_trace.h b/drivers/gpu/drm/i915/display/intel_display_trace.h
index 99bdb83359..7862e7cefe 100644
--- a/drivers/gpu/drm/i915/display/intel_display_trace.h
+++ b/drivers/gpu/drm/i915/display/intel_display_trace.h
@@ -411,7 +411,7 @@ TRACE_EVENT(intel_fbc_activate,
struct intel_crtc *crtc = intel_crtc_for_pipe(to_i915(plane->base.dev),
plane->pipe);
__assign_str(dev, __dev_name_kms(plane));
- __assign_str(name, plane->base.name)
+ __assign_str(name, plane->base.name);
__entry->pipe = crtc->pipe;
__entry->frame = intel_crtc_get_vblank_counter(crtc);
__entry->scanline = intel_get_crtc_scanline(crtc);
@@ -438,7 +438,7 @@ TRACE_EVENT(intel_fbc_deactivate,
struct intel_crtc *crtc = intel_crtc_for_pipe(to_i915(plane->base.dev),
plane->pipe);
__assign_str(dev, __dev_name_kms(plane));
- __assign_str(name, plane->base.name)
+ __assign_str(name, plane->base.name);
__entry->pipe = crtc->pipe;
__entry->frame = intel_crtc_get_vblank_counter(crtc);
__entry->scanline = intel_get_crtc_scanline(crtc);
@@ -465,7 +465,7 @@ TRACE_EVENT(intel_fbc_nuke,
struct intel_crtc *crtc = intel_crtc_for_pipe(to_i915(plane->base.dev),
plane->pipe);
__assign_str(dev, __dev_name_kms(plane));
- __assign_str(name, plane->base.name)
+ __assign_str(name, plane->base.name);
__entry->pipe = crtc->pipe;
__entry->frame = intel_crtc_get_vblank_counter(crtc);
__entry->scanline = intel_get_crtc_scanline(crtc);
diff --git a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
index 399653a20f..fb694ff9dc 100644
--- a/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
+++ b/drivers/gpu/drm/i915/display/intel_dpll_mgr.c
@@ -631,9 +631,9 @@ static const struct intel_shared_dpll_funcs ibx_pch_dpll_funcs = {
};
static const struct dpll_info pch_plls[] = {
- { "PCH DPLL A", &ibx_pch_dpll_funcs, DPLL_ID_PCH_PLL_A, 0 },
- { "PCH DPLL B", &ibx_pch_dpll_funcs, DPLL_ID_PCH_PLL_B, 0 },
- { },
+ { .name = "PCH DPLL A", .funcs = &ibx_pch_dpll_funcs, .id = DPLL_ID_PCH_PLL_A, },
+ { .name = "PCH DPLL B", .funcs = &ibx_pch_dpll_funcs, .id = DPLL_ID_PCH_PLL_B, },
+ {}
};
static const struct intel_dpll_mgr pch_pll_mgr = {
@@ -1239,13 +1239,16 @@ static const struct intel_shared_dpll_funcs hsw_ddi_lcpll_funcs = {
};
static const struct dpll_info hsw_plls[] = {
- { "WRPLL 1", &hsw_ddi_wrpll_funcs, DPLL_ID_WRPLL1, 0 },
- { "WRPLL 2", &hsw_ddi_wrpll_funcs, DPLL_ID_WRPLL2, 0 },
- { "SPLL", &hsw_ddi_spll_funcs, DPLL_ID_SPLL, 0 },
- { "LCPLL 810", &hsw_ddi_lcpll_funcs, DPLL_ID_LCPLL_810, INTEL_DPLL_ALWAYS_ON },
- { "LCPLL 1350", &hsw_ddi_lcpll_funcs, DPLL_ID_LCPLL_1350, INTEL_DPLL_ALWAYS_ON },
- { "LCPLL 2700", &hsw_ddi_lcpll_funcs, DPLL_ID_LCPLL_2700, INTEL_DPLL_ALWAYS_ON },
- { },
+ { .name = "WRPLL 1", .funcs = &hsw_ddi_wrpll_funcs, .id = DPLL_ID_WRPLL1, },
+ { .name = "WRPLL 2", .funcs = &hsw_ddi_wrpll_funcs, .id = DPLL_ID_WRPLL2, },
+ { .name = "SPLL", .funcs = &hsw_ddi_spll_funcs, .id = DPLL_ID_SPLL, },
+ { .name = "LCPLL 810", .funcs = &hsw_ddi_lcpll_funcs, .id = DPLL_ID_LCPLL_810,
+ .flags = INTEL_DPLL_ALWAYS_ON, },
+ { .name = "LCPLL 1350", .funcs = &hsw_ddi_lcpll_funcs, .id = DPLL_ID_LCPLL_1350,
+ .flags = INTEL_DPLL_ALWAYS_ON, },
+ { .name = "LCPLL 2700", .funcs = &hsw_ddi_lcpll_funcs, .id = DPLL_ID_LCPLL_2700,
+ .flags = INTEL_DPLL_ALWAYS_ON, },
+ {}
};
static const struct intel_dpll_mgr hsw_pll_mgr = {
@@ -1921,11 +1924,12 @@ static const struct intel_shared_dpll_funcs skl_ddi_dpll0_funcs = {
};
static const struct dpll_info skl_plls[] = {
- { "DPLL 0", &skl_ddi_dpll0_funcs, DPLL_ID_SKL_DPLL0, INTEL_DPLL_ALWAYS_ON },
- { "DPLL 1", &skl_ddi_pll_funcs, DPLL_ID_SKL_DPLL1, 0 },
- { "DPLL 2", &skl_ddi_pll_funcs, DPLL_ID_SKL_DPLL2, 0 },
- { "DPLL 3", &skl_ddi_pll_funcs, DPLL_ID_SKL_DPLL3, 0 },
- { },
+ { .name = "DPLL 0", .funcs = &skl_ddi_dpll0_funcs, .id = DPLL_ID_SKL_DPLL0,
+ .flags = INTEL_DPLL_ALWAYS_ON, },
+ { .name = "DPLL 1", .funcs = &skl_ddi_pll_funcs, .id = DPLL_ID_SKL_DPLL1, },
+ { .name = "DPLL 2", .funcs = &skl_ddi_pll_funcs, .id = DPLL_ID_SKL_DPLL2, },
+ { .name = "DPLL 3", .funcs = &skl_ddi_pll_funcs, .id = DPLL_ID_SKL_DPLL3, },
+ {}
};
static const struct intel_dpll_mgr skl_pll_mgr = {
@@ -2376,10 +2380,10 @@ static const struct intel_shared_dpll_funcs bxt_ddi_pll_funcs = {
};
static const struct dpll_info bxt_plls[] = {
- { "PORT PLL A", &bxt_ddi_pll_funcs, DPLL_ID_SKL_DPLL0, 0 },
- { "PORT PLL B", &bxt_ddi_pll_funcs, DPLL_ID_SKL_DPLL1, 0 },
- { "PORT PLL C", &bxt_ddi_pll_funcs, DPLL_ID_SKL_DPLL2, 0 },
- { },
+ { .name = "PORT PLL A", .funcs = &bxt_ddi_pll_funcs, .id = DPLL_ID_SKL_DPLL0, },
+ { .name = "PORT PLL B", .funcs = &bxt_ddi_pll_funcs, .id = DPLL_ID_SKL_DPLL1, },
+ { .name = "PORT PLL C", .funcs = &bxt_ddi_pll_funcs, .id = DPLL_ID_SKL_DPLL2, },
+ {}
};
static const struct intel_dpll_mgr bxt_pll_mgr = {
@@ -2485,7 +2489,7 @@ static void icl_wrpll_params_populate(struct skl_wrpll_params *params,
static bool
ehl_combo_pll_div_frac_wa_needed(struct drm_i915_private *i915)
{
- return (((IS_ELKHARTLAKE(i915) || IS_JASPERLAKE(i915)) &&
+ return ((IS_ELKHARTLAKE(i915) &&
IS_DISPLAY_STEP(i915, STEP_B0, STEP_FOREVER)) ||
IS_TIGERLAKE(i915) || IS_ALDERLAKE_S(i915) || IS_ALDERLAKE_P(i915)) &&
i915->display.dpll.ref_clks.nssc == 38400;
@@ -3284,6 +3288,8 @@ static int icl_compute_tc_phy_dplls(struct intel_atomic_state *state,
struct drm_i915_private *i915 = to_i915(state->base.dev);
struct intel_crtc_state *crtc_state =
intel_atomic_get_new_crtc_state(state, crtc);
+ const struct intel_crtc_state *old_crtc_state =
+ intel_atomic_get_old_crtc_state(state, crtc);
struct icl_port_dpll *port_dpll =
&crtc_state->icl_port_dplls[ICL_PORT_DPLL_DEFAULT];
struct skl_wrpll_params pll_params = {};
@@ -3302,7 +3308,11 @@ static int icl_compute_tc_phy_dplls(struct intel_atomic_state *state,
return ret;
/* this is mainly for the fastset check */
- icl_set_active_port_dpll(crtc_state, ICL_PORT_DPLL_MG_PHY);
+ if (old_crtc_state->shared_dpll &&
+ old_crtc_state->shared_dpll->info->id == DPLL_ID_ICL_TBTPLL)
+ icl_set_active_port_dpll(crtc_state, ICL_PORT_DPLL_DEFAULT);
+ else
+ icl_set_active_port_dpll(crtc_state, ICL_PORT_DPLL_MG_PHY);
crtc_state->port_clock = icl_ddi_mg_pll_get_freq(i915, NULL,
&port_dpll->hw_state);
@@ -4014,14 +4024,15 @@ static const struct intel_shared_dpll_funcs mg_pll_funcs = {
};
static const struct dpll_info icl_plls[] = {
- { "DPLL 0", &combo_pll_funcs, DPLL_ID_ICL_DPLL0, 0 },
- { "DPLL 1", &combo_pll_funcs, DPLL_ID_ICL_DPLL1, 0 },
- { "TBT PLL", &tbt_pll_funcs, DPLL_ID_ICL_TBTPLL, 0 },
- { "MG PLL 1", &mg_pll_funcs, DPLL_ID_ICL_MGPLL1, 0 },
- { "MG PLL 2", &mg_pll_funcs, DPLL_ID_ICL_MGPLL2, 0 },
- { "MG PLL 3", &mg_pll_funcs, DPLL_ID_ICL_MGPLL3, 0 },
- { "MG PLL 4", &mg_pll_funcs, DPLL_ID_ICL_MGPLL4, 0 },
- { },
+ { .name = "DPLL 0", .funcs = &combo_pll_funcs, .id = DPLL_ID_ICL_DPLL0, },
+ { .name = "DPLL 1", .funcs = &combo_pll_funcs, .id = DPLL_ID_ICL_DPLL1, },
+ { .name = "TBT PLL", .funcs = &tbt_pll_funcs, .id = DPLL_ID_ICL_TBTPLL,
+ .flags = INTEL_DPLL_IS_ALT_PORT_DPLL, },
+ { .name = "MG PLL 1", .funcs = &mg_pll_funcs, .id = DPLL_ID_ICL_MGPLL1, },
+ { .name = "MG PLL 2", .funcs = &mg_pll_funcs, .id = DPLL_ID_ICL_MGPLL2, },
+ { .name = "MG PLL 3", .funcs = &mg_pll_funcs, .id = DPLL_ID_ICL_MGPLL3, },
+ { .name = "MG PLL 4", .funcs = &mg_pll_funcs, .id = DPLL_ID_ICL_MGPLL4, },
+ {}
};
static const struct intel_dpll_mgr icl_pll_mgr = {
@@ -4035,10 +4046,10 @@ static const struct intel_dpll_mgr icl_pll_mgr = {
};
static const struct dpll_info ehl_plls[] = {
- { "DPLL 0", &combo_pll_funcs, DPLL_ID_ICL_DPLL0, 0 },
- { "DPLL 1", &combo_pll_funcs, DPLL_ID_ICL_DPLL1, 0 },
- { "DPLL 4", &combo_pll_funcs, DPLL_ID_EHL_DPLL4, 0 },
- { },
+ { .name = "DPLL 0", .funcs = &combo_pll_funcs, .id = DPLL_ID_ICL_DPLL0, },
+ { .name = "DPLL 1", .funcs = &combo_pll_funcs, .id = DPLL_ID_ICL_DPLL1, },
+ { .name = "DPLL 4", .funcs = &combo_pll_funcs, .id = DPLL_ID_EHL_DPLL4, },
+ {}
};
static const struct intel_dpll_mgr ehl_pll_mgr = {
@@ -4058,16 +4069,17 @@ static const struct intel_shared_dpll_funcs dkl_pll_funcs = {
};
static const struct dpll_info tgl_plls[] = {
- { "DPLL 0", &combo_pll_funcs, DPLL_ID_ICL_DPLL0, 0 },
- { "DPLL 1", &combo_pll_funcs, DPLL_ID_ICL_DPLL1, 0 },
- { "TBT PLL", &tbt_pll_funcs, DPLL_ID_ICL_TBTPLL, 0 },
- { "TC PLL 1", &dkl_pll_funcs, DPLL_ID_ICL_MGPLL1, 0 },
- { "TC PLL 2", &dkl_pll_funcs, DPLL_ID_ICL_MGPLL2, 0 },
- { "TC PLL 3", &dkl_pll_funcs, DPLL_ID_ICL_MGPLL3, 0 },
- { "TC PLL 4", &dkl_pll_funcs, DPLL_ID_ICL_MGPLL4, 0 },
- { "TC PLL 5", &dkl_pll_funcs, DPLL_ID_TGL_MGPLL5, 0 },
- { "TC PLL 6", &dkl_pll_funcs, DPLL_ID_TGL_MGPLL6, 0 },
- { },
+ { .name = "DPLL 0", .funcs = &combo_pll_funcs, .id = DPLL_ID_ICL_DPLL0, },
+ { .name = "DPLL 1", .funcs = &combo_pll_funcs, .id = DPLL_ID_ICL_DPLL1, },
+ { .name = "TBT PLL", .funcs = &tbt_pll_funcs, .id = DPLL_ID_ICL_TBTPLL,
+ .flags = INTEL_DPLL_IS_ALT_PORT_DPLL, },
+ { .name = "TC PLL 1", .funcs = &dkl_pll_funcs, .id = DPLL_ID_ICL_MGPLL1, },
+ { .name = "TC PLL 2", .funcs = &dkl_pll_funcs, .id = DPLL_ID_ICL_MGPLL2, },
+ { .name = "TC PLL 3", .funcs = &dkl_pll_funcs, .id = DPLL_ID_ICL_MGPLL3, },
+ { .name = "TC PLL 4", .funcs = &dkl_pll_funcs, .id = DPLL_ID_ICL_MGPLL4, },
+ { .name = "TC PLL 5", .funcs = &dkl_pll_funcs, .id = DPLL_ID_TGL_MGPLL5, },
+ { .name = "TC PLL 6", .funcs = &dkl_pll_funcs, .id = DPLL_ID_TGL_MGPLL6, },
+ {}
};
static const struct intel_dpll_mgr tgl_pll_mgr = {
@@ -4081,10 +4093,10 @@ static const struct intel_dpll_mgr tgl_pll_mgr = {
};
static const struct dpll_info rkl_plls[] = {
- { "DPLL 0", &combo_pll_funcs, DPLL_ID_ICL_DPLL0, 0 },
- { "DPLL 1", &combo_pll_funcs, DPLL_ID_ICL_DPLL1, 0 },
- { "DPLL 4", &combo_pll_funcs, DPLL_ID_EHL_DPLL4, 0 },
- { },
+ { .name = "DPLL 0", .funcs = &combo_pll_funcs, .id = DPLL_ID_ICL_DPLL0, },
+ { .name = "DPLL 1", .funcs = &combo_pll_funcs, .id = DPLL_ID_ICL_DPLL1, },
+ { .name = "DPLL 4", .funcs = &combo_pll_funcs, .id = DPLL_ID_EHL_DPLL4, },
+ {}
};
static const struct intel_dpll_mgr rkl_pll_mgr = {
@@ -4097,11 +4109,11 @@ static const struct intel_dpll_mgr rkl_pll_mgr = {
};
static const struct dpll_info dg1_plls[] = {
- { "DPLL 0", &combo_pll_funcs, DPLL_ID_DG1_DPLL0, 0 },
- { "DPLL 1", &combo_pll_funcs, DPLL_ID_DG1_DPLL1, 0 },
- { "DPLL 2", &combo_pll_funcs, DPLL_ID_DG1_DPLL2, 0 },
- { "DPLL 3", &combo_pll_funcs, DPLL_ID_DG1_DPLL3, 0 },
- { },
+ { .name = "DPLL 0", .funcs = &combo_pll_funcs, .id = DPLL_ID_DG1_DPLL0, },
+ { .name = "DPLL 1", .funcs = &combo_pll_funcs, .id = DPLL_ID_DG1_DPLL1, },
+ { .name = "DPLL 2", .funcs = &combo_pll_funcs, .id = DPLL_ID_DG1_DPLL2, },
+ { .name = "DPLL 3", .funcs = &combo_pll_funcs, .id = DPLL_ID_DG1_DPLL3, },
+ {}
};
static const struct intel_dpll_mgr dg1_pll_mgr = {
@@ -4114,11 +4126,11 @@ static const struct intel_dpll_mgr dg1_pll_mgr = {
};
static const struct dpll_info adls_plls[] = {
- { "DPLL 0", &combo_pll_funcs, DPLL_ID_ICL_DPLL0, 0 },
- { "DPLL 1", &combo_pll_funcs, DPLL_ID_ICL_DPLL1, 0 },
- { "DPLL 2", &combo_pll_funcs, DPLL_ID_DG1_DPLL2, 0 },
- { "DPLL 3", &combo_pll_funcs, DPLL_ID_DG1_DPLL3, 0 },
- { },
+ { .name = "DPLL 0", .funcs = &combo_pll_funcs, .id = DPLL_ID_ICL_DPLL0, },
+ { .name = "DPLL 1", .funcs = &combo_pll_funcs, .id = DPLL_ID_ICL_DPLL1, },
+ { .name = "DPLL 2", .funcs = &combo_pll_funcs, .id = DPLL_ID_DG1_DPLL2, },
+ { .name = "DPLL 3", .funcs = &combo_pll_funcs, .id = DPLL_ID_DG1_DPLL3, },
+ {}
};
static const struct intel_dpll_mgr adls_pll_mgr = {
@@ -4131,14 +4143,15 @@ static const struct intel_dpll_mgr adls_pll_mgr = {
};
static const struct dpll_info adlp_plls[] = {
- { "DPLL 0", &combo_pll_funcs, DPLL_ID_ICL_DPLL0, 0 },
- { "DPLL 1", &combo_pll_funcs, DPLL_ID_ICL_DPLL1, 0 },
- { "TBT PLL", &tbt_pll_funcs, DPLL_ID_ICL_TBTPLL, 0 },
- { "TC PLL 1", &dkl_pll_funcs, DPLL_ID_ICL_MGPLL1, 0 },
- { "TC PLL 2", &dkl_pll_funcs, DPLL_ID_ICL_MGPLL2, 0 },
- { "TC PLL 3", &dkl_pll_funcs, DPLL_ID_ICL_MGPLL3, 0 },
- { "TC PLL 4", &dkl_pll_funcs, DPLL_ID_ICL_MGPLL4, 0 },
- { },
+ { .name = "DPLL 0", .funcs = &combo_pll_funcs, .id = DPLL_ID_ICL_DPLL0, },
+ { .name = "DPLL 1", .funcs = &combo_pll_funcs, .id = DPLL_ID_ICL_DPLL1, },
+ { .name = "TBT PLL", .funcs = &tbt_pll_funcs, .id = DPLL_ID_ICL_TBTPLL,
+ .flags = INTEL_DPLL_IS_ALT_PORT_DPLL, },
+ { .name = "TC PLL 1", .funcs = &dkl_pll_funcs, .id = DPLL_ID_ICL_MGPLL1, },
+ { .name = "TC PLL 2", .funcs = &dkl_pll_funcs, .id = DPLL_ID_ICL_MGPLL2, },
+ { .name = "TC PLL 3", .funcs = &dkl_pll_funcs, .id = DPLL_ID_ICL_MGPLL3, },
+ { .name = "TC PLL 4", .funcs = &dkl_pll_funcs, .id = DPLL_ID_ICL_MGPLL4, },
+ {}
};
static const struct intel_dpll_mgr adlp_pll_mgr = {
@@ -4462,31 +4475,29 @@ verify_single_dpll_state(struct drm_i915_private *i915,
struct intel_crtc *crtc,
const struct intel_crtc_state *new_crtc_state)
{
- struct intel_dpll_hw_state dpll_hw_state;
+ struct intel_dpll_hw_state dpll_hw_state = {};
u8 pipe_mask;
bool active;
- memset(&dpll_hw_state, 0, sizeof(dpll_hw_state));
-
- drm_dbg_kms(&i915->drm, "%s\n", pll->info->name);
-
active = intel_dpll_get_hw_state(i915, pll, &dpll_hw_state);
if (!(pll->info->flags & INTEL_DPLL_ALWAYS_ON)) {
I915_STATE_WARN(i915, !pll->on && pll->active_mask,
- "pll in active use but not on in sw tracking\n");
+ "%s: pll in active use but not on in sw tracking\n",
+ pll->info->name);
I915_STATE_WARN(i915, pll->on && !pll->active_mask,
- "pll is on but not used by any active pipe\n");
+ "%s: pll is on but not used by any active pipe\n",
+ pll->info->name);
I915_STATE_WARN(i915, pll->on != active,
- "pll on state mismatch (expected %i, found %i)\n",
- pll->on, active);
+ "%s: pll on state mismatch (expected %i, found %i)\n",
+ pll->info->name, pll->on, active);
}
if (!crtc) {
I915_STATE_WARN(i915,
pll->active_mask & ~pll->state.pipe_mask,
- "more active pll users than references: 0x%x vs 0x%x\n",
- pll->active_mask, pll->state.pipe_mask);
+ "%s: more active pll users than references: 0x%x vs 0x%x\n",
+ pll->info->name, pll->active_mask, pll->state.pipe_mask);
return;
}
@@ -4495,21 +4506,30 @@ verify_single_dpll_state(struct drm_i915_private *i915,
if (new_crtc_state->hw.active)
I915_STATE_WARN(i915, !(pll->active_mask & pipe_mask),
- "pll active mismatch (expected pipe %c in active mask 0x%x)\n",
- pipe_name(crtc->pipe), pll->active_mask);
+ "%s: pll active mismatch (expected pipe %c in active mask 0x%x)\n",
+ pll->info->name, pipe_name(crtc->pipe), pll->active_mask);
else
I915_STATE_WARN(i915, pll->active_mask & pipe_mask,
- "pll active mismatch (didn't expect pipe %c in active mask 0x%x)\n",
- pipe_name(crtc->pipe), pll->active_mask);
+ "%s: pll active mismatch (didn't expect pipe %c in active mask 0x%x)\n",
+ pll->info->name, pipe_name(crtc->pipe), pll->active_mask);
I915_STATE_WARN(i915, !(pll->state.pipe_mask & pipe_mask),
- "pll enabled crtcs mismatch (expected 0x%x in 0x%x)\n",
- pipe_mask, pll->state.pipe_mask);
+ "%s: pll enabled crtcs mismatch (expected 0x%x in 0x%x)\n",
+ pll->info->name, pipe_mask, pll->state.pipe_mask);
I915_STATE_WARN(i915,
pll->on && memcmp(&pll->state.hw_state, &dpll_hw_state,
sizeof(dpll_hw_state)),
- "pll hw state mismatch\n");
+ "%s: pll hw state mismatch\n",
+ pll->info->name);
+}
+
+static bool has_alt_port_dpll(const struct intel_shared_dpll *old_pll,
+ const struct intel_shared_dpll *new_pll)
+{
+ return old_pll && new_pll && old_pll != new_pll &&
+ (old_pll->info->flags & INTEL_DPLL_IS_ALT_PORT_DPLL ||
+ new_pll->info->flags & INTEL_DPLL_IS_ALT_PORT_DPLL);
}
void intel_shared_dpll_state_verify(struct intel_atomic_state *state,
@@ -4531,11 +4551,15 @@ void intel_shared_dpll_state_verify(struct intel_atomic_state *state,
struct intel_shared_dpll *pll = old_crtc_state->shared_dpll;
I915_STATE_WARN(i915, pll->active_mask & pipe_mask,
- "pll active mismatch (didn't expect pipe %c in active mask (0x%x))\n",
- pipe_name(crtc->pipe), pll->active_mask);
- I915_STATE_WARN(i915, pll->state.pipe_mask & pipe_mask,
- "pll enabled crtcs mismatch (found %x in enabled mask (0x%x))\n",
- pipe_name(crtc->pipe), pll->state.pipe_mask);
+ "%s: pll active mismatch (didn't expect pipe %c in active mask (0x%x))\n",
+ pll->info->name, pipe_name(crtc->pipe), pll->active_mask);
+
+ /* TC ports have both MG/TC and TBT PLL referenced simultaneously */
+ I915_STATE_WARN(i915, !has_alt_port_dpll(old_crtc_state->shared_dpll,
+ new_crtc_state->shared_dpll) &&
+ pll->state.pipe_mask & pipe_mask,
+ "%s: pll enabled crtcs mismatch (found pipe %c in enabled mask (0x%x))\n",
+ pll->info->name, pipe_name(crtc->pipe), pll->state.pipe_mask);
}
}
diff --git a/drivers/gpu/drm/i915/display/intel_dpll_mgr.h b/drivers/gpu/drm/i915/display/intel_dpll_mgr.h
index dd4796a617..1a88ccc983 100644
--- a/drivers/gpu/drm/i915/display/intel_dpll_mgr.h
+++ b/drivers/gpu/drm/i915/display/intel_dpll_mgr.h
@@ -271,12 +271,16 @@ struct dpll_info {
enum intel_dpll_id id;
#define INTEL_DPLL_ALWAYS_ON (1 << 0)
+#define INTEL_DPLL_IS_ALT_PORT_DPLL (1 << 1)
/**
* @flags:
*
* INTEL_DPLL_ALWAYS_ON
* Inform the state checker that the DPLL is kept enabled even if
* not in use by any CRTC.
+ * INTEL_DPLL_IS_ALT_PORT_DPLL
+ * Inform the state checker that the DPLL can be used as a fallback
+ * (for TC->TBT fallback).
*/
u32 flags;
};
diff --git a/drivers/gpu/drm/i915/display/intel_dsb.c b/drivers/gpu/drm/i915/display/intel_dsb.c
index 7fd6280c54..15c3dd5d38 100644
--- a/drivers/gpu/drm/i915/display/intel_dsb.c
+++ b/drivers/gpu/drm/i915/display/intel_dsb.c
@@ -339,6 +339,17 @@ static int intel_dsb_dewake_scanline(const struct intel_crtc_state *crtc_state)
return max(0, vblank_start - intel_usecs_to_scanlines(adjusted_mode, latency));
}
+static u32 dsb_chicken(struct intel_crtc *crtc)
+{
+ if (crtc->mode_flags & I915_MODE_FLAG_VRR)
+ return DSB_CTRL_WAIT_SAFE_WINDOW |
+ DSB_CTRL_NO_WAIT_VBLANK |
+ DSB_INST_WAIT_SAFE_WINDOW |
+ DSB_INST_NO_WAIT_VBLANK;
+ else
+ return 0;
+}
+
static void _intel_dsb_commit(struct intel_dsb *dsb, u32 ctrl,
int dewake_scanline)
{
@@ -360,6 +371,9 @@ static void _intel_dsb_commit(struct intel_dsb *dsb, u32 ctrl,
intel_de_write_fw(dev_priv, DSB_CTRL(pipe, dsb->id),
ctrl | DSB_ENABLE);
+ intel_de_write_fw(dev_priv, DSB_CHICKEN(pipe, dsb->id),
+ dsb_chicken(crtc));
+
intel_de_write_fw(dev_priv, DSB_HEAD(pipe, dsb->id),
i915_ggtt_offset(dsb->vma));
diff --git a/drivers/gpu/drm/i915/display/intel_vrr.c b/drivers/gpu/drm/i915/display/intel_vrr.c
index 5d905f932c..eb5bd07439 100644
--- a/drivers/gpu/drm/i915/display/intel_vrr.c
+++ b/drivers/gpu/drm/i915/display/intel_vrr.c
@@ -187,10 +187,11 @@ void intel_vrr_set_transcoder_timings(const struct intel_crtc_state *crtc_state)
enum transcoder cpu_transcoder = crtc_state->cpu_transcoder;
/*
- * TRANS_SET_CONTEXT_LATENCY with VRR enabled
- * requires this chicken bit on ADL/DG2.
+ * This bit seems to have two meanings depending on the platform:
+ * TGL: generate VRR "safe window" for DSB vblank waits
+ * ADL/DG2: make TRANS_SET_CONTEXT_LATENCY effective with VRR
*/
- if (DISPLAY_VER(dev_priv) == 13)
+ if (IS_DISPLAY_VER(dev_priv, 12, 13))
intel_de_rmw(dev_priv, CHICKEN_TRANS(cpu_transcoder),
0, PIPE_VBLANK_WITH_DELAY);