[Intel-gfx] [PATCH 01/12] drm/i915: Unify VBT version number comments
Ville Syrjala
ville.syrjala at linux.intel.com
Fri Jul 15 20:20:33 UTC 2022
From: Ville Syrjälä <ville.syrjala at linux.intel.com>
Use a more standard form for the VT version number comments.
Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
---
drivers/gpu/drm/i915/display/intel_vbt_defs.h | 206 ++++++++++--------
1 file changed, 110 insertions(+), 96 deletions(-)
diff --git a/drivers/gpu/drm/i915/display/intel_vbt_defs.h b/drivers/gpu/drm/i915/display/intel_vbt_defs.h
index 509b0a419c20..ba328d130991 100644
--- a/drivers/gpu/drm/i915/display/intel_vbt_defs.h
+++ b/drivers/gpu/drm/i915/display/intel_vbt_defs.h
@@ -75,6 +75,20 @@ struct bdb_header {
u16 bdb_size;
} __packed;
+/*
+ * BDB version number dependencies are documented as:
+ *
+ * <start>+
+ * indicates the field was introduced in version <start>
+ * and is still valid
+ *
+ * <start>-<end>
+ * indicates the field was introduced in version <start>
+ * and obsoleted in version <end>+1.
+ *
+ * ??? indicates the specific version number is unknown
+ */
+
/*
* There are several types of BIOS data blocks (BDBs), each block has
* an ID and size in the first 3 bytes (ID in first, size in next 2).
@@ -144,12 +158,12 @@ struct bdb_general_features {
/* bits 3 */
u8 disable_smooth_vision:1;
u8 single_dvi:1;
- u8 rotate_180:1; /* 181 */
+ u8 rotate_180:1; /* 181+ */
u8 fdi_rx_polarity_inverted:1;
- u8 vbios_extended_mode:1; /* 160 */
- u8 copy_ilfp_dtd_to_sdvo_lvds_dtd:1; /* 160 */
- u8 panel_best_fit_timing:1; /* 160 */
- u8 ignore_strap_state:1; /* 160 */
+ u8 vbios_extended_mode:1; /* 160+ */
+ u8 copy_ilfp_dtd_to_sdvo_lvds_dtd:1; /* 160+ */
+ u8 panel_best_fit_timing:1; /* 160+ */
+ u8 ignore_strap_state:1; /* 160+ */
/* bits 4 */
u8 legacy_monitor_detect;
@@ -164,11 +178,11 @@ struct bdb_general_features {
u8 rsvd11:2; /* finish byte */
/* bits 6 */
- u8 tc_hpd_retry_timeout:7; /* 242 */
+ u8 tc_hpd_retry_timeout:7; /* 242+ */
u8 rsvd12:1;
/* bits 7 */
- u8 afc_startup_config:2;/* 249 */
+ u8 afc_startup_config:2; /* 249+ */
u8 rsvd13:6;
} __packed;
@@ -275,27 +289,27 @@ struct bdb_general_features {
#define DVO_PORT_DPC 8
#define DVO_PORT_DPD 9
#define DVO_PORT_DPA 10
-#define DVO_PORT_DPE 11 /* 193 */
-#define DVO_PORT_HDMIE 12 /* 193 */
+#define DVO_PORT_DPE 11 /* 193+ */
+#define DVO_PORT_HDMIE 12 /* 193+ */
#define DVO_PORT_DPF 13 /* N/A */
#define DVO_PORT_HDMIF 14 /* N/A */
-#define DVO_PORT_DPG 15 /* 217 */
-#define DVO_PORT_HDMIG 16 /* 217 */
-#define DVO_PORT_DPH 17 /* 217 */
-#define DVO_PORT_HDMIH 18 /* 217 */
-#define DVO_PORT_DPI 19 /* 217 */
-#define DVO_PORT_HDMII 20 /* 217 */
-#define DVO_PORT_MIPIA 21 /* 171 */
-#define DVO_PORT_MIPIB 22 /* 171 */
-#define DVO_PORT_MIPIC 23 /* 171 */
-#define DVO_PORT_MIPID 24 /* 171 */
+#define DVO_PORT_DPG 15 /* 217+ */
+#define DVO_PORT_HDMIG 16 /* 217+ */
+#define DVO_PORT_DPH 17 /* 217+ */
+#define DVO_PORT_HDMIH 18 /* 217+ */
+#define DVO_PORT_DPI 19 /* 217+ */
+#define DVO_PORT_HDMII 20 /* 217+ */
+#define DVO_PORT_MIPIA 21 /* 171+ */
+#define DVO_PORT_MIPIB 22 /* 171+ */
+#define DVO_PORT_MIPIC 23 /* 171+ */
+#define DVO_PORT_MIPID 24 /* 171+ */
-#define HDMI_MAX_DATA_RATE_PLATFORM 0 /* 204 */
-#define HDMI_MAX_DATA_RATE_297 1 /* 204 */
-#define HDMI_MAX_DATA_RATE_165 2 /* 204 */
-#define HDMI_MAX_DATA_RATE_594 3 /* 249 */
-#define HDMI_MAX_DATA_RATE_340 4 /* 249 */
-#define HDMI_MAX_DATA_RATE_300 5 /* 249 */
+#define HDMI_MAX_DATA_RATE_PLATFORM 0 /* 204+ */
+#define HDMI_MAX_DATA_RATE_297 1 /* 204+ */
+#define HDMI_MAX_DATA_RATE_165 2 /* 204+ */
+#define HDMI_MAX_DATA_RATE_594 3 /* 249+ */
+#define HDMI_MAX_DATA_RATE_340 4 /* 249+ */
+#define HDMI_MAX_DATA_RATE_300 5 /* 249+ */
#define LEGACY_CHILD_DEVICE_CONFIG_SIZE 33
@@ -379,19 +393,19 @@ struct child_device_config {
u8 device_id[10]; /* ascii string */
struct {
u8 i2c_speed;
- u8 dp_onboard_redriver; /* 158 */
- u8 dp_ondock_redriver; /* 158 */
- u8 hdmi_level_shifter_value:5; /* 169 */
- u8 hdmi_max_data_rate:3; /* 204 */
- u16 dtd_buf_ptr; /* 161 */
- u8 edidless_efp:1; /* 161 */
- u8 compression_enable:1; /* 198 */
- u8 compression_method_cps:1; /* 198 */
- u8 ganged_edp:1; /* 202 */
+ u8 dp_onboard_redriver; /* 158+ */
+ u8 dp_ondock_redriver; /* 158+ */
+ u8 hdmi_level_shifter_value:5; /* 158+ */
+ u8 hdmi_max_data_rate:3; /* 204+ */
+ u16 dtd_buf_ptr; /* 161+ */
+ u8 edidless_efp:1; /* 161+ */
+ u8 compression_enable:1; /* 198+ */
+ u8 compression_method_cps:1; /* 198+ */
+ u8 ganged_edp:1; /* 202+ */
u8 reserved0:4;
- u8 compression_structure_index:4; /* 198 */
+ u8 compression_structure_index:4; /* 198+ */
u8 reserved1:4;
- u8 slave_port; /* 202 */
+ u8 slave_port; /* 202+ */
u8 reserved2;
} __packed;
} __packed;
@@ -412,16 +426,16 @@ struct child_device_config {
u8 ddc2_pin;
} __packed;
struct {
- u8 efp_routed:1; /* 158 */
- u8 lane_reversal:1; /* 184 */
- u8 lspcon:1; /* 192 */
- u8 iboost:1; /* 196 */
- u8 hpd_invert:1; /* 196 */
- u8 use_vbt_vswing:1; /* 218 */
+ u8 efp_routed:1; /* 158+ */
+ u8 lane_reversal:1; /* 184+ */
+ u8 lspcon:1; /* 192+ */
+ u8 iboost:1; /* 196+ */
+ u8 hpd_invert:1; /* 196+ */
+ u8 use_vbt_vswing:1; /* 218+ */
u8 flag_reserved:2;
- u8 hdmi_support:1; /* 158 */
- u8 dp_support:1; /* 158 */
- u8 tmds_support:1; /* 158 */
+ u8 hdmi_support:1; /* 158+ */
+ u8 dp_support:1; /* 158+ */
+ u8 tmds_support:1; /* 158+ */
u8 support_reserved:5;
u8 aux_channel;
u8 dongle_detect;
@@ -429,7 +443,7 @@ struct child_device_config {
} __packed;
u8 pipe_cap:2;
- u8 sdvo_stall:1; /* 158 */
+ u8 sdvo_stall:1; /* 158+ */
u8 hpd_status:2;
u8 integrated_encoder:1;
u8 capabilities_reserved:2;
@@ -437,21 +451,21 @@ struct child_device_config {
union {
u8 dvo2_wiring;
- u8 mipi_bridge_type; /* 171 */
+ u8 mipi_bridge_type; /* 171+ */
} __packed;
u16 extended_type;
u8 dvo_function;
- u8 dp_usb_type_c:1; /* 195 */
- u8 tbt:1; /* 209 */
- u8 flags2_reserved:2; /* 195 */
- u8 dp_port_trace_length:4; /* 209 */
- u8 dp_gpio_index; /* 195 */
- u16 dp_gpio_pin_num; /* 195 */
- u8 dp_iboost_level:4; /* 196 */
- u8 hdmi_iboost_level:4; /* 196 */
- u8 dp_max_link_rate:3; /* 216/230 GLK+ */
- u8 dp_max_link_rate_reserved:5; /* 216/230 */
+ u8 dp_usb_type_c:1; /* 195+ */
+ u8 tbt:1; /* 209+ */
+ u8 flags2_reserved:2; /* 195+ */
+ u8 dp_port_trace_length:4; /* 209+ */
+ u8 dp_gpio_index; /* 195+ */
+ u16 dp_gpio_pin_num; /* 195+ */
+ u8 dp_iboost_level:4; /* 196+ */
+ u8 hdmi_iboost_level:4; /* 196+ */
+ u8 dp_max_link_rate:3; /* 216+ */
+ u8 dp_max_link_rate_reserved:5; /* 216+ */
} __packed;
struct bdb_general_definitions {
@@ -690,18 +704,18 @@ struct bdb_edp {
u32 sdrrs_msa_timing_delay;
/* ith bit indicates enabled/disabled for (i+1)th panel */
- u16 edp_s3d_feature; /* 162 */
- u16 edp_t3_optimization; /* 165 */
- u64 edp_vswing_preemph; /* 173 */
- u16 fast_link_training; /* 182 */
- u16 dpcd_600h_write_required; /* 185 */
- struct edp_pwm_delays pwm_delays[16]; /* 186 */
- u16 full_link_params_provided; /* 199 */
- struct edp_full_link_params full_link_params[16]; /* 199 */
- u16 apical_enable; /* 203 */
- struct edp_apical_params apical_params[16]; /* 203 */
- u16 edp_fast_link_training_rate[16]; /* 224 */
- u16 edp_max_port_link_rate[16]; /* 244 */
+ u16 edp_s3d_feature; /* 162+ */
+ u16 edp_t3_optimization; /* 165+ */
+ u64 edp_vswing_preemph; /* 173+ */
+ u16 fast_link_training; /* 182+ */
+ u16 dpcd_600h_write_required; /* 185+ */
+ struct edp_pwm_delays pwm_delays[16]; /* 186+ */
+ u16 full_link_params_provided; /* 199+ */
+ struct edp_full_link_params full_link_params[16]; /* 199+ */
+ u16 apical_enable; /* 203+ */
+ struct edp_apical_params apical_params[16]; /* 203+ */
+ u16 edp_fast_link_training_rate[16]; /* 224+ */
+ u16 edp_max_port_link_rate[16]; /* 244+ */
} __packed;
/*
@@ -710,7 +724,7 @@ struct bdb_edp {
struct bdb_lvds_options {
u8 panel_type;
- u8 panel_type2; /* 212 */
+ u8 panel_type2; /* 212+ */
/* LVDS capabilities, stored in a dword */
u8 pfit_mode:2;
u8 pfit_text_mode_enhanced:1;
@@ -733,9 +747,9 @@ struct bdb_lvds_options {
/* LVDS backlight control type bits stored here */
u32 blt_control_type_bits;
- u16 lcdvcc_s0_enable; /* 200 */
- u32 rotation; /* 228 */
- u32 position; /* 240 */
+ u16 lcdvcc_s0_enable; /* 200+ */
+ u32 rotation; /* 228+ */
+ u32 position; /* 240+ */
} __packed;
/*
@@ -756,7 +770,7 @@ struct lvds_lfp_data_ptr {
struct bdb_lvds_lfp_data_ptrs {
u8 lvds_entries;
struct lvds_lfp_data_ptr ptr[16];
- struct lvds_lfp_data_ptr_table panel_name; /* 156-163? */
+ struct lvds_lfp_data_ptr_table panel_name; /* (156-163?)+ */
} __packed;
/*
@@ -808,20 +822,20 @@ struct lvds_lfp_panel_name {
} __packed;
struct lvds_lfp_black_border {
- u8 top; /* 227 */
- u8 bottom; /* 227 */
- u8 left; /* 238 */
- u8 right; /* 238 */
+ u8 top; /* 227+ */
+ u8 bottom; /* 227+ */
+ u8 left; /* 238+ */
+ u8 right; /* 238+ */
} __packed;
struct bdb_lvds_lfp_data_tail {
- struct lvds_lfp_panel_name panel_name[16]; /* 156-163? */
- u16 scaling_enable; /* 187 */
- u8 seamless_drrs_min_refresh_rate[16]; /* 188 */
- u8 pixel_overlap_count[16]; /* 208 */
- struct lvds_lfp_black_border black_border[16]; /* 227 */
- u16 dual_lfp_port_sync_enable; /* 231 */
- u16 gpu_dithering_for_banding_artifacts; /* 245 */
+ struct lvds_lfp_panel_name panel_name[16]; /* (156-163?)+ */
+ u16 scaling_enable; /* 187+ */
+ u8 seamless_drrs_min_refresh_rate[16]; /* 188+ */
+ u8 pixel_overlap_count[16]; /* 208+ */
+ struct lvds_lfp_black_border black_border[16]; /* 227+ */
+ u16 dual_lfp_port_sync_enable; /* 231+ */
+ u16 gpu_dithering_for_banding_artifacts; /* 245+ */
} __packed;
/*
@@ -836,7 +850,7 @@ struct lfp_backlight_data_entry {
u8 active_low_pwm:1;
u8 obsolete1:5;
u16 pwm_freq_hz;
- u8 min_brightness; /* Obsolete from 234+ */
+ u8 min_brightness; /* ???-233 */
u8 obsolete2;
u8 obsolete3;
} __packed;
@@ -859,7 +873,7 @@ struct lfp_brightness_level {
struct bdb_lfp_backlight_data {
u8 entry_size;
struct lfp_backlight_data_entry data[16];
- u8 level[16]; /* Obsolete from 234+ */
+ u8 level[16]; /* ???-233 */
struct lfp_backlight_control_method backlight_control[16];
struct lfp_brightness_level brightness_level[16]; /* 234+ */
struct lfp_brightness_level brightness_min_level[16]; /* 234+ */
@@ -908,11 +922,11 @@ struct bdb_lfp_power {
u16 adb;
u16 lace_enabled_status;
struct aggressiveness_profile_entry aggressiveness[16];
- u16 hobl; /* 232+ */
- u16 vrr_feature_enabled; /* 233+ */
- u16 elp; /* 247+ */
- u16 opst; /* 247+ */
- struct aggressiveness_profile2_entry aggressiveness2[16]; /* 247+ */
+ u16 hobl; /* 232+ */
+ u16 vrr_feature_enabled; /* 233+ */
+ u16 elp; /* 247+ */
+ u16 opst; /* 247+ */
+ struct aggressiveness_profile2_entry aggressiveness2[16]; /* 247+ */
} __packed;
/*
@@ -922,10 +936,10 @@ struct bdb_lfp_power {
#define MAX_MIPI_CONFIGURATIONS 6
struct bdb_mipi_config {
- struct mipi_config config[MAX_MIPI_CONFIGURATIONS]; /* 175 */
- struct mipi_pps_data pps[MAX_MIPI_CONFIGURATIONS]; /* 177 */
- struct edp_pwm_delays pwm_delays[MAX_MIPI_CONFIGURATIONS]; /* 186 */
- u8 pmic_i2c_bus_number[MAX_MIPI_CONFIGURATIONS]; /* 190 */
+ struct mipi_config config[MAX_MIPI_CONFIGURATIONS]; /* 175+ */
+ struct mipi_pps_data pps[MAX_MIPI_CONFIGURATIONS]; /* 177+ */
+ struct edp_pwm_delays pwm_delays[MAX_MIPI_CONFIGURATIONS]; /* 186+ */
+ u8 pmic_i2c_bus_number[MAX_MIPI_CONFIGURATIONS]; /* 190+ */
} __packed;
/*
--
2.35.1
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