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path: root/drivers/gpu/drm/i915/display/intel_display.c
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Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_display.c')
-rw-r--r--drivers/gpu/drm/i915/display/intel_display.c245
1 files changed, 203 insertions, 42 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index eec6c9e9cda7..134a6acbd8fb 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -59,6 +59,7 @@
#include "display/intel_hdmi.h"
#include "display/intel_lvds.h"
#include "display/intel_sdvo.h"
+#include "display/intel_snps_phy.h"
#include "display/intel_tv.h"
#include "display/intel_vdsc.h"
#include "display/intel_vrr.h"
@@ -975,7 +976,7 @@ void intel_enable_pipe(const struct intel_crtc_state *new_crtc_state)
/* FIXME: assert CPU port conditions for SNB+ */
}
- /* Wa_22012358565:adlp */
+ /* Wa_22012358565:adl-p */
if (DISPLAY_VER(dev_priv) == 13)
intel_de_rmw(dev_priv, PIPE_ARB_CTL(pipe),
0, PIPE_ARB_USE_PROG_SLOTS);
@@ -1035,6 +1036,10 @@ void intel_disable_pipe(const struct intel_crtc_state *old_crtc_state)
if (!IS_I830(dev_priv))
val &= ~PIPECONF_ENABLE;
+ if (DISPLAY_VER(dev_priv) >= 12)
+ intel_de_rmw(dev_priv, CHICKEN_TRANS(cpu_transcoder),
+ FECSTALL_DIS_DPTSTREAM_DPTTG, 0);
+
intel_de_write(dev_priv, reg, val);
if ((val & PIPECONF_ENABLE) == 0)
intel_wait_for_pipe_off(old_crtc_state);
@@ -1331,6 +1336,9 @@ retry:
ret = i915_gem_object_lock(obj, &ww);
if (!ret && phys_cursor)
ret = i915_gem_object_attach_phys(obj, alignment);
+ else if (!ret && HAS_LMEM(dev_priv))
+ ret = i915_gem_object_migrate(obj, &ww, INTEL_REGION_LMEM);
+ /* TODO: Do we need to sync when migration becomes async? */
if (!ret)
ret = i915_gem_object_pin_pages(obj);
if (ret)
@@ -2204,8 +2212,29 @@ unlock:
clear_bit_unlock(I915_RESET_MODESET, &dev_priv->gt.reset.flags);
}
-static void icl_set_pipe_chicken(struct intel_crtc *crtc)
+static bool underrun_recovery_supported(const struct intel_crtc_state *crtc_state)
+{
+ if (crtc_state->pch_pfit.enabled &&
+ (crtc_state->pipe_src_w > drm_rect_width(&crtc_state->pch_pfit.dst) ||
+ crtc_state->pipe_src_h > drm_rect_height(&crtc_state->pch_pfit.dst) ||
+ crtc_state->output_format == INTEL_OUTPUT_FORMAT_YCBCR420))
+ return false;
+
+ if (crtc_state->dsc.compression_enable)
+ return false;
+
+ if (crtc_state->has_psr2)
+ return false;
+
+ if (crtc_state->splitter.enable)
+ return false;
+
+ return true;
+}
+
+static void icl_set_pipe_chicken(const struct intel_crtc_state *crtc_state)
{
+ struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
enum pipe pipe = crtc->pipe;
u32 tmp;
@@ -2226,19 +2255,19 @@ static void icl_set_pipe_chicken(struct intel_crtc *crtc)
*/
tmp |= PIXEL_ROUNDING_TRUNC_FB_PASSTHRU;
- /*
- * "The underrun recovery mechanism should be disabled
- * when the following is enabled for this pipe:
- * WiDi
- * Downscaling (this includes YUV420 fullblend)
- * COG
- * DSC
- * PSR2"
- *
- * FIXME: enable whenever possible...
- */
- if (IS_ALDERLAKE_P(dev_priv))
- tmp |= UNDERRUN_RECOVERY_DISABLE;
+ if (IS_DG2(dev_priv)) {
+ /*
+ * Underrun recovery must always be disabled on DG2. However
+ * the chicken bit meaning is inverted compared to other
+ * platforms.
+ */
+ tmp &= ~UNDERRUN_RECOVERY_ENABLE_DG2;
+ } else if (DISPLAY_VER(dev_priv) >= 13) {
+ if (underrun_recovery_supported(crtc_state))
+ tmp &= ~UNDERRUN_RECOVERY_DISABLE_ADLP;
+ else
+ tmp |= UNDERRUN_RECOVERY_DISABLE_ADLP;
+ }
intel_de_write(dev_priv, PIPE_CHICKEN(pipe), tmp);
}
@@ -3188,6 +3217,28 @@ static void intel_encoders_enable(struct intel_atomic_state *state,
}
}
+static void intel_encoders_pre_disable(struct intel_atomic_state *state,
+ struct intel_crtc *crtc)
+{
+ const struct intel_crtc_state *old_crtc_state =
+ intel_atomic_get_old_crtc_state(state, crtc);
+ const struct drm_connector_state *old_conn_state;
+ struct drm_connector *conn;
+ int i;
+
+ for_each_old_connector_in_state(&state->base, conn, old_conn_state, i) {
+ struct intel_encoder *encoder =
+ to_intel_encoder(old_conn_state->best_encoder);
+
+ if (old_conn_state->crtc != &crtc->base)
+ continue;
+
+ if (encoder->pre_disable)
+ encoder->pre_disable(state, encoder, old_crtc_state,
+ old_conn_state);
+ }
+}
+
static void intel_encoders_disable(struct intel_atomic_state *state,
struct intel_crtc *crtc)
{
@@ -3397,13 +3448,17 @@ static void glk_pipe_scaler_clock_gating_wa(struct drm_i915_private *dev_priv,
intel_de_write(dev_priv, CLKGATE_DIS_PSL(pipe), val);
}
-static void icl_pipe_mbus_enable(struct intel_crtc *crtc)
+static void icl_pipe_mbus_enable(struct intel_crtc *crtc, bool joined_mbus)
{
struct drm_i915_private *dev_priv = to_i915(crtc->base.dev);
enum pipe pipe = crtc->pipe;
u32 val;
- val = MBUS_DBOX_A_CREDIT(2);
+ /* Wa_22010947358:adl-p */
+ if (IS_ALDERLAKE_P(dev_priv))
+ val = joined_mbus ? MBUS_DBOX_A_CREDIT(6) : MBUS_DBOX_A_CREDIT(4);
+ else
+ val = MBUS_DBOX_A_CREDIT(2);
if (DISPLAY_VER(dev_priv) >= 12) {
val |= MBUS_DBOX_BW_CREDIT(2);
@@ -3471,7 +3526,8 @@ static void icl_ddi_bigjoiner_pre_enable(struct intel_atomic_state *state,
* Enable sequence steps 1-7 on bigjoiner master
*/
intel_encoders_pre_pll_enable(state, master);
- intel_enable_shared_dpll(master_crtc_state);
+ if (master_crtc_state->shared_dpll)
+ intel_enable_shared_dpll(master_crtc_state);
intel_encoders_pre_enable(state, master);
/* and DSC on slave */
@@ -3529,7 +3585,7 @@ static void hsw_crtc_enable(struct intel_atomic_state *state,
crtc->active = true;
- /* Display WA #1180: WaDisableScalarClockGating: glk, cnl */
+ /* Display WA #1180: WaDisableScalarClockGating: glk */
psl_clkgate_wa = DISPLAY_VER(dev_priv) == 10 &&
new_crtc_state->pch_pfit.enabled;
if (psl_clkgate_wa)
@@ -3553,13 +3609,17 @@ static void hsw_crtc_enable(struct intel_atomic_state *state,
hsw_set_linetime_wm(new_crtc_state);
if (DISPLAY_VER(dev_priv) >= 11)
- icl_set_pipe_chicken(crtc);
+ icl_set_pipe_chicken(new_crtc_state);
if (dev_priv->display.initial_watermarks)
dev_priv->display.initial_watermarks(state, crtc);
- if (DISPLAY_VER(dev_priv) >= 11)
- icl_pipe_mbus_enable(crtc);
+ if (DISPLAY_VER(dev_priv) >= 11) {
+ const struct intel_dbuf_state *dbuf_state =
+ intel_atomic_get_new_dbuf_state(state);
+
+ icl_pipe_mbus_enable(crtc, dbuf_state->joined_mbus);
+ }
if (new_crtc_state->bigjoiner_slave)
intel_crtc_vblank_on(new_crtc_state);
@@ -3693,6 +3753,13 @@ bool intel_phy_is_combo(struct drm_i915_private *dev_priv, enum phy phy)
{
if (phy == PHY_NONE)
return false;
+ else if (IS_DG2(dev_priv))
+ /*
+ * DG2 outputs labelled as "combo PHY" in the bspec use
+ * SNPS PHYs with completely different programming,
+ * hence we always return false here.
+ */
+ return false;
else if (IS_ALDERLAKE_S(dev_priv))
return phy <= PHY_E;
else if (IS_DG1(dev_priv) || IS_ROCKETLAKE(dev_priv))
@@ -3707,7 +3774,10 @@ bool intel_phy_is_combo(struct drm_i915_private *dev_priv, enum phy phy)
bool intel_phy_is_tc(struct drm_i915_private *dev_priv, enum phy phy)
{
- if (IS_ALDERLAKE_P(dev_priv))
+ if (IS_DG2(dev_priv))
+ /* DG2's "TC1" output uses a SNPS PHY */
+ return false;
+ else if (IS_ALDERLAKE_P(dev_priv))
return phy >= PHY_F && phy <= PHY_I;
else if (IS_TIGERLAKE(dev_priv))
return phy >= PHY_D && phy <= PHY_I;
@@ -3717,6 +3787,20 @@ bool intel_phy_is_tc(struct drm_i915_private *dev_priv, enum phy phy)
return false;
}
+bool intel_phy_is_snps(struct drm_i915_private *dev_priv, enum phy phy)
+{
+ if (phy == PHY_NONE)
+ return false;
+ else if (IS_DG2(dev_priv))
+ /*
+ * All four "combo" ports and the TC1 port (PHY E) use
+ * Synopsis PHYs.
+ */
+ return phy <= PHY_E;
+
+ return false;
+}
+
enum phy intel_port_to_phy(struct drm_i915_private *i915, enum port port)
{
if (DISPLAY_VER(i915) >= 13 && port >= PORT_D_XELPD)
@@ -3861,7 +3945,7 @@ static u64 get_crtc_power_domains(struct intel_crtc_state *crtc_state)
}
if (HAS_DDI(dev_priv) && crtc_state->has_audio)
- mask |= BIT_ULL(POWER_DOMAIN_AUDIO);
+ mask |= BIT_ULL(POWER_DOMAIN_AUDIO_MMIO);
if (crtc_state->shared_dpll)
mask |= BIT_ULL(POWER_DOMAIN_DISPLAY_CORE);
@@ -5757,16 +5841,18 @@ static void bdw_set_pipemisc(const struct intel_crtc_state *crtc_state)
switch (crtc_state->pipe_bpp) {
case 18:
- val |= PIPEMISC_DITHER_6_BPC;
+ val |= PIPEMISC_6_BPC;
break;
case 24:
- val |= PIPEMISC_DITHER_8_BPC;
+ val |= PIPEMISC_8_BPC;
break;
case 30:
- val |= PIPEMISC_DITHER_10_BPC;
+ val |= PIPEMISC_10_BPC;
break;
case 36:
- val |= PIPEMISC_DITHER_12_BPC;
+ /* Port output 12BPC defined for ADLP+ */
+ if (DISPLAY_VER(dev_priv) > 12)
+ val |= PIPEMISC_12_BPC_ADLP;
break;
default:
MISSING_CASE(crtc_state->pipe_bpp);
@@ -5819,15 +5905,27 @@ int bdw_get_pipemisc_bpp(struct intel_crtc *crtc)
tmp = intel_de_read(dev_priv, PIPEMISC(crtc->pipe));
- switch (tmp & PIPEMISC_DITHER_BPC_MASK) {
- case PIPEMISC_DITHER_6_BPC:
+ switch (tmp & PIPEMISC_BPC_MASK) {
+ case PIPEMISC_6_BPC:
return 18;
- case PIPEMISC_DITHER_8_BPC:
+ case PIPEMISC_8_BPC:
return 24;
- case PIPEMISC_DITHER_10_BPC:
+ case PIPEMISC_10_BPC:
return 30;
- case PIPEMISC_DITHER_12_BPC:
- return 36;
+ /*
+ * PORT OUTPUT 12 BPC defined for ADLP+.
+ *
+ * TODO:
+ * For previous platforms with DSI interface, bits 5:7
+ * are used for storing pipe_bpp irrespective of dithering.
+ * Since the value of 12 BPC is not defined for these bits
+ * on older platforms, need to find a workaround for 12 BPC
+ * MIPI DSI HW readout.
+ */
+ case PIPEMISC_12_BPC_ADLP:
+ if (DISPLAY_VER(dev_priv) > 12)
+ return 36;
+ fallthrough;
default:
MISSING_CASE(tmp);
return 0;
@@ -8630,10 +8728,11 @@ intel_pipe_config_compare(const struct intel_crtc_state *current_config,
PIPE_CONF_CHECK_BOOL(double_wide);
- PIPE_CONF_CHECK_P(shared_dpll);
+ if (dev_priv->dpll.mgr)
+ PIPE_CONF_CHECK_P(shared_dpll);
/* FIXME do the readout properly and get rid of this quirk */
- if (!PIPE_CONF_QUIRK(PIPE_CONFIG_QUIRK_BIGJOINER_SLAVE)) {
+ if (dev_priv->dpll.mgr && !PIPE_CONF_QUIRK(PIPE_CONFIG_QUIRK_BIGJOINER_SLAVE)) {
PIPE_CONF_CHECK_X(dpll_hw_state.dpll);
PIPE_CONF_CHECK_X(dpll_hw_state.dpll_md);
PIPE_CONF_CHECK_X(dpll_hw_state.fp0);
@@ -8665,7 +8764,9 @@ intel_pipe_config_compare(const struct intel_crtc_state *current_config,
PIPE_CONF_CHECK_X(dpll_hw_state.mg_pll_ssc);
PIPE_CONF_CHECK_X(dpll_hw_state.mg_pll_bias);
PIPE_CONF_CHECK_X(dpll_hw_state.mg_pll_tdc_coldst_bias);
+ }
+ if (!PIPE_CONF_QUIRK(PIPE_CONFIG_QUIRK_BIGJOINER_SLAVE)) {
PIPE_CONF_CHECK_X(dsi_pll.ctrl);
PIPE_CONF_CHECK_X(dsi_pll.div);
@@ -9003,6 +9104,10 @@ verify_crtc_state(struct intel_crtc *crtc,
if (!new_crtc_state->hw.active)
return;
+ if (new_crtc_state->bigjoiner_slave)
+ /* No PLLs set for slave */
+ pipe_config->shared_dpll = NULL;
+
intel_pipe_config_sanity_check(dev_priv, pipe_config);
if (!intel_pipe_config_compare(new_crtc_state,
@@ -9106,6 +9211,55 @@ verify_shared_dpll_state(struct intel_crtc *crtc,
}
static void
+verify_mpllb_state(struct intel_atomic_state *state,
+ struct intel_crtc_state *new_crtc_state)
+{
+ struct drm_i915_private *i915 = to_i915(state->base.dev);
+ struct intel_mpllb_state mpllb_hw_state = { 0 };
+ struct intel_mpllb_state *mpllb_sw_state = &new_crtc_state->mpllb_state;
+ struct intel_crtc *crtc = to_intel_crtc(new_crtc_state->uapi.crtc);
+ struct intel_encoder *encoder;
+
+ if (!IS_DG2(i915))
+ return;
+
+ if (!new_crtc_state->hw.active)
+ return;
+
+ if (new_crtc_state->bigjoiner_slave)
+ return;
+
+ encoder = intel_get_crtc_new_encoder(state, new_crtc_state);
+ intel_mpllb_readout_hw_state(encoder, &mpllb_hw_state);
+
+#define MPLLB_CHECK(name) do { \
+ if (mpllb_sw_state->name != mpllb_hw_state.name) { \
+ pipe_config_mismatch(false, crtc, "MPLLB:" __stringify(name), \
+ "(expected 0x%08x, found 0x%08x)", \
+ mpllb_sw_state->name, \
+ mpllb_hw_state.name); \
+ } \
+} while (0)
+
+ MPLLB_CHECK(mpllb_cp);
+ MPLLB_CHECK(mpllb_div);
+ MPLLB_CHECK(mpllb_div2);
+ MPLLB_CHECK(mpllb_fracn1);
+ MPLLB_CHECK(mpllb_fracn2);
+ MPLLB_CHECK(mpllb_sscen);
+ MPLLB_CHECK(mpllb_sscstep);
+
+ /*
+ * ref_control is handled by the hardware/firemware and never
+ * programmed by the software, but the proper values are supplied
+ * in the bspec for verification purposes.
+ */
+ MPLLB_CHECK(ref_control);
+
+#undef MPLLB_CHECK
+}
+
+static void
intel_modeset_verify_crtc(struct intel_crtc *crtc,
struct intel_atomic_state *state,
struct intel_crtc_state *old_crtc_state,
@@ -9118,6 +9272,7 @@ intel_modeset_verify_crtc(struct intel_crtc *crtc,
verify_connector_state(state, crtc);
verify_crtc_state(crtc, old_crtc_state, new_crtc_state);
verify_shared_dpll_state(crtc, old_crtc_state, new_crtc_state);
+ verify_mpllb_state(state, new_crtc_state);
}
static void
@@ -9743,7 +9898,7 @@ static int intel_atomic_check_async(struct intel_atomic_state *state)
/*
* FIXME: This check is kept generic for all platforms.
- * Need to verify this for all gen9 and gen10 platforms to enable
+ * Need to verify this for all gen9 platforms to enable
* this selectively if required.
*/
switch (new_plane_state->hw.fb->modifier) {
@@ -10154,7 +10309,7 @@ static void intel_pipe_fastset(const struct intel_crtc_state *old_crtc_state,
hsw_set_linetime_wm(new_crtc_state);
if (DISPLAY_VER(dev_priv) >= 11)
- icl_set_pipe_chicken(crtc);
+ icl_set_pipe_chicken(new_crtc_state);
}
static void commit_pipe_pre_planes(struct intel_atomic_state *state,
@@ -10288,6 +10443,8 @@ static void intel_old_crtc_state_disables(struct intel_atomic_state *state,
drm_WARN_ON(&dev_priv->drm, old_crtc_state->bigjoiner_slave);
+ intel_encoders_pre_disable(state, crtc);
+
intel_crtc_disable_planes(state, crtc);
/*
@@ -11322,7 +11479,12 @@ static void intel_setup_outputs(struct drm_i915_private *dev_priv)
if (!HAS_DISPLAY(dev_priv))
return;
- if (IS_ALDERLAKE_P(dev_priv)) {
+ if (IS_DG2(dev_priv)) {
+ intel_ddi_init(dev_priv, PORT_A);
+ intel_ddi_init(dev_priv, PORT_B);
+ intel_ddi_init(dev_priv, PORT_C);
+ intel_ddi_init(dev_priv, PORT_D_XELPD);
+ } else if (IS_ALDERLAKE_P(dev_priv)) {
intel_ddi_init(dev_priv, PORT_A);
intel_ddi_init(dev_priv, PORT_B);
intel_ddi_init(dev_priv, PORT_TC1);
@@ -11375,7 +11537,6 @@ static void intel_setup_outputs(struct drm_i915_private *dev_priv)
intel_ddi_init(dev_priv, PORT_C);
intel_ddi_init(dev_priv, PORT_D);
intel_ddi_init(dev_priv, PORT_E);
- intel_ddi_init(dev_priv, PORT_F);
} else if (HAS_DDI(dev_priv)) {
u32 found;
@@ -11778,7 +11939,7 @@ intel_user_framebuffer_create(struct drm_device *dev,
/* object is backed with LMEM for discrete */
i915 = to_i915(obj->base.dev);
- if (HAS_LMEM(i915) && !i915_gem_object_validates_to_lmem(obj)) {
+ if (HAS_LMEM(i915) && !i915_gem_object_can_migrate(obj, INTEL_REGION_LMEM)) {
/* object is "remote", not in local memory */
i915_gem_object_put(obj);
return ERR_PTR(-EREMOTE);
@@ -13124,7 +13285,7 @@ get_encoder_power_domains(struct drm_i915_private *dev_priv)
static void intel_early_display_was(struct drm_i915_private *dev_priv)
{
/*
- * Display WA #1185 WaDisableDARBFClkGating:cnl,glk,icl,ehl,tgl
+ * Display WA #1185 WaDisableDARBFClkGating:glk,icl,ehl,tgl
* Also known as Wa_14010480278.
*/
if (IS_DISPLAY_VER(dev_priv, 10, 12))