The grouping of DSI VBT definitions is hard to follow and match against the spec. Use anonymous structs and add comments with the spec description.
Signed-off-by: Jani Nikula <jani.nik...@intel.com> --- .../gpu/drm/i915/display/intel_dsi_vbt_defs.h | 87 ++++++++++--------- 1 file changed, 47 insertions(+), 40 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_dsi_vbt_defs.h b/drivers/gpu/drm/i915/display/intel_dsi_vbt_defs.h index f83d42ed0c5a..7ac872dbba8d 100644 --- a/drivers/gpu/drm/i915/display/intel_dsi_vbt_defs.h +++ b/drivers/gpu/drm/i915/display/intel_dsi_vbt_defs.h @@ -47,53 +47,55 @@ struct mipi_config { u16 panel_id; /* General Params */ - u32 enable_dithering:1; - u32 rsvd1:1; - u32 is_bridge:1; + struct { + u32 enable_dithering:1; + u32 rsvd1:1; + u32 is_bridge:1; - u32 panel_arch_type:2; - u32 is_cmd_mode:1; + u32 panel_arch_type:2; + u32 is_cmd_mode:1; #define NON_BURST_SYNC_PULSE 0x1 #define NON_BURST_SYNC_EVENTS 0x2 #define BURST_MODE 0x3 - u32 video_transfer_mode:2; + u32 video_transfer_mode:2; - u32 cabc_supported:1; + u32 cabc_supported:1; #define PPS_BLC_PMIC 0 #define PPS_BLC_SOC 1 - u32 pwm_blc:1; + u32 pwm_blc:1; - /* Bit 13:10 */ #define PIXEL_FORMAT_RGB565 0x1 #define PIXEL_FORMAT_RGB666 0x2 #define PIXEL_FORMAT_RGB666_LOOSELY_PACKED 0x3 #define PIXEL_FORMAT_RGB888 0x4 - u32 videomode_color_format:4; + u32 videomode_color_format:4; - /* Bit 15:14 */ #define ENABLE_ROTATION_0 0x0 #define ENABLE_ROTATION_90 0x1 #define ENABLE_ROTATION_180 0x2 #define ENABLE_ROTATION_270 0x3 - u32 rotation:2; - u32 bta_enabled:1; - u32 rsvd2:15; + u32 rotation:2; + u32 bta_enabled:1; + u32 rsvd2:15; + } __packed; - /* 2 byte Port Description */ + /* Port Desc */ + struct { #define DUAL_LINK_NOT_SUPPORTED 0 #define DUAL_LINK_FRONT_BACK 1 #define DUAL_LINK_PIXEL_ALT 2 - u16 dual_link:2; - u16 lane_cnt:2; - u16 pixel_overlap:3; - u16 rgb_flip:1; + u16 dual_link:2; + u16 lane_cnt:2; + u16 pixel_overlap:3; + u16 rgb_flip:1; #define DL_DCS_PORT_A 0x00 #define DL_DCS_PORT_C 0x01 #define DL_DCS_PORT_A_AND_C 0x02 - u16 dl_dcs_cabc_ports:2; - u16 dl_dcs_backlight_ports:2; - u16 rsvd3:4; + u16 dl_dcs_cabc_ports:2; + u16 dl_dcs_backlight_ports:2; + u16 rsvd3:4; + } __packed; u16 rsvd4; @@ -102,18 +104,22 @@ struct mipi_config { u32 dsi_ddr_clk; u32 bridge_ref_clk; + /* LP Byte Clock */ + struct { #define BYTE_CLK_SEL_20MHZ 0 #define BYTE_CLK_SEL_10MHZ 1 #define BYTE_CLK_SEL_5MHZ 2 - u8 byte_clk_sel:2; - - u8 rsvd6:6; - - /* DPHY Flags */ - u16 dphy_param_valid:1; - u16 eot_pkt_disabled:1; - u16 enable_clk_stop:1; - u16 rsvd7:13; + u8 byte_clk_sel:2; + u8 rsvd6:6; + } __packed; + + /* DPhy Flags */ + struct { + u16 dphy_param_valid:1; + u16 eot_pkt_disabled:1; + u16 enable_clk_stop:1; + u16 rsvd7:13; + } __packed; u32 hs_tx_timeout; u32 lp_rx_timeout; @@ -123,14 +129,16 @@ struct mipi_config { u32 dbi_bw_timer; u32 lp_byte_clk_val; - /* 4 byte Dphy Params */ - u32 prepare_cnt:6; - u32 rsvd8:2; - u32 clk_zero_cnt:8; - u32 trail_cnt:5; - u32 rsvd9:3; - u32 exit_zero_cnt:6; - u32 rsvd10:2; + /* DPhy Params */ + struct { + u32 prepare_cnt:6; + u32 rsvd8:2; + u32 clk_zero_cnt:8; + u32 trail_cnt:5; + u32 rsvd9:3; + u32 exit_zero_cnt:6; + u32 rsvd10:2; + } __packed; u32 clk_lane_switch_cnt; u32 hl_switch_cnt; @@ -168,7 +176,6 @@ struct mipi_config { u8 reset_r_n; u8 pwr_down_r; u8 stdby_r_n; - } __packed; /* all delays have a unit of 100us */ -- 2.47.2