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

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