diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_display_device.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_display_device.c | 60 |
1 files changed, 58 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display_device.c b/drivers/gpu/drm/i915/display/intel_display_device.c index a6a18eae7ae8..2b1ec23ba9c3 100644 --- a/drivers/gpu/drm/i915/display/intel_display_device.c +++ b/drivers/gpu/drm/i915/display/intel_display_device.c @@ -926,7 +926,7 @@ void intel_display_device_probe(struct drm_i915_private *i915) else info = probe_display(i915); - i915->display.info.__device_info = info; + DISPLAY_INFO(i915) = info; memcpy(DISPLAY_RUNTIME_INFO(i915), &DISPLAY_INFO(i915)->__runtime_defaults, @@ -939,7 +939,7 @@ void intel_display_device_probe(struct drm_i915_private *i915) } } -void intel_display_device_info_runtime_init(struct drm_i915_private *i915) +static void __intel_display_device_info_runtime_init(struct drm_i915_private *i915) { struct intel_display_runtime_info *display_runtime = DISPLAY_RUNTIME_INFO(i915); enum pipe pipe; @@ -948,6 +948,13 @@ void intel_display_device_info_runtime_init(struct drm_i915_private *i915) BUILD_BUG_ON(BITS_PER_TYPE(display_runtime->cpu_transcoder_mask) < I915_MAX_TRANSCODERS); BUILD_BUG_ON(BITS_PER_TYPE(display_runtime->port_mask) < I915_MAX_PORTS); + /* This covers both ULT and ULX */ + if (IS_HASWELL_ULT(i915) || IS_BROADWELL_ULT(i915)) + display_runtime->port_mask &= ~BIT(PORT_D); + + if (IS_ICL_WITH_PORT_F(i915)) + display_runtime->port_mask |= BIT(PORT_F); + /* Wa_14011765242: adl-s A0,A1 */ if (IS_ALDERLAKE_S(i915) && IS_DISPLAY_STEP(i915, STEP_A0, STEP_A2)) for_each_pipe(i915, pipe) @@ -1065,12 +1072,44 @@ void intel_display_device_info_runtime_init(struct drm_i915_private *i915) display_runtime->has_dsc = 0; } + if (DISPLAY_VER(i915) >= 20) { + u32 cap = intel_de_read(i915, XE2LPD_DE_CAP); + + if (REG_FIELD_GET(XE2LPD_DE_CAP_DSC_MASK, cap) == + XE2LPD_DE_CAP_DSC_REMOVED) + display_runtime->has_dsc = 0; + + if (REG_FIELD_GET(XE2LPD_DE_CAP_SCALER_MASK, cap) == + XE2LPD_DE_CAP_SCALER_SINGLE) { + for_each_pipe(i915, pipe) + if (display_runtime->num_scalers[pipe]) + display_runtime->num_scalers[pipe] = 1; + } + } + return; display_fused_off: memset(display_runtime, 0, sizeof(*display_runtime)); } +void intel_display_device_info_runtime_init(struct drm_i915_private *i915) +{ + if (HAS_DISPLAY(i915)) + __intel_display_device_info_runtime_init(i915); + + /* Display may have been disabled by runtime init */ + if (!HAS_DISPLAY(i915)) { + i915->drm.driver_features &= ~(DRIVER_MODESET | DRIVER_ATOMIC); + i915->display.info.__device_info = &no_display; + } + + /* Disable nuclear pageflip by default on pre-g4x */ + if (!i915->params.nuclear_pageflip && + DISPLAY_VER(i915) < 5 && !IS_G4X(i915)) + i915->drm.driver_features &= ~DRIVER_ATOMIC; +} + void intel_display_device_info_print(const struct intel_display_device_info *info, const struct intel_display_runtime_info *runtime, struct drm_printer *p) @@ -1091,3 +1130,20 @@ void intel_display_device_info_print(const struct intel_display_device_info *inf drm_printf(p, "has_dmc: %s\n", str_yes_no(runtime->has_dmc)); drm_printf(p, "has_dsc: %s\n", str_yes_no(runtime->has_dsc)); } + +/* + * Assuming the device has display hardware, should it be enabled? + * + * It's an error to call this function if the device does not have display + * hardware. + * + * Disabling display means taking over the display hardware, putting it to + * sleep, and preventing connectors from being connected via any means. + */ +bool intel_display_device_enabled(struct drm_i915_private *i915) +{ + /* Only valid when HAS_DISPLAY() is true */ + drm_WARN_ON(&i915->drm, !HAS_DISPLAY(i915)); + + return !i915->params.disable_display && !intel_opregion_headless_sku(i915); +} |