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23bee889e3
Correct and add kernel-doc comments to eliminate all warnings: Warning: ../drivers/gpu/drm/msm/dp/dp_debug.h:31 expecting prototype for msm_dp_debug_get(). Prototype was for msm_dp_debug_init() instead Warning: ../drivers/gpu/drm/msm/dp/dp_drm.c:24 function parameter 'connector' not described in 'msm_dp_bridge_detect' Warning: ../drivers/gpu/drm/msm/dp/dp_link.h:90 expecting prototype for mdss_dp_test_bit_depth_to_bpp(). Prototype was for msm_dp_link_bit_depth_to_bpp() instead Warning: ../drivers/gpu/drm/msm/dp/dp_link.h:126 function parameter 'aux' not described in 'msm_dp_link_get' Warning: ../drivers/gpu/drm/msm/dp/dp_link.h:126 function parameter 'dev' not described in 'msm_dp_link_get' Warning: ../drivers/gpu/drm/msm/dp/dp_panel.h:70 function parameter 'bw_code' not described in 'is_link_rate_valid' Warning: ../drivers/gpu/drm/msm/dp/dp_panel.h:84 expecting prototype for msm_dp_link_is_lane_count_valid(). Prototype was for is_lane_count_valid() instead Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com> Patchwork: https://patchwork.freedesktop.org/patch/695647/ Link: https://lore.kernel.org/r/20251219184638.1813181-3-rdunlap@infradead.org Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
97 lines
2.6 KiB
C
97 lines
2.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2012-2020, The Linux Foundation. All rights reserved.
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*/
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#ifndef _DP_PANEL_H_
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#define _DP_PANEL_H_
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#include <drm/drm_modes.h>
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#include <drm/msm_drm.h>
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#include "dp_aux.h"
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#include "dp_link.h"
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struct edid;
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struct msm_dp_display_mode {
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struct drm_display_mode drm_mode;
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u32 bpp;
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u32 h_active_low;
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u32 v_active_low;
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bool out_fmt_is_yuv_420;
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};
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struct msm_dp_panel_psr {
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u8 version;
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u8 capabilities;
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};
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struct msm_dp_panel {
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/* dpcd raw data */
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u8 dpcd[DP_RECEIVER_CAP_SIZE];
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u8 downstream_ports[DP_MAX_DOWNSTREAM_PORTS];
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struct msm_dp_link_info link_info;
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const struct drm_edid *drm_edid;
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struct drm_connector *connector;
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struct msm_dp_display_mode msm_dp_mode;
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struct msm_dp_panel_psr psr_cap;
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bool video_test;
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bool vsc_sdp_supported;
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u32 hw_revision;
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u32 max_bw_code;
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};
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int msm_dp_panel_init_panel_info(struct msm_dp_panel *msm_dp_panel);
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int msm_dp_panel_deinit(struct msm_dp_panel *msm_dp_panel);
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int msm_dp_panel_timing_cfg(struct msm_dp_panel *msm_dp_panel, bool wide_bus_en);
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int msm_dp_panel_read_sink_caps(struct msm_dp_panel *msm_dp_panel,
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struct drm_connector *connector);
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u32 msm_dp_panel_get_mode_bpp(struct msm_dp_panel *msm_dp_panel, u32 mode_max_bpp,
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u32 mode_pclk_khz);
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int msm_dp_panel_get_modes(struct msm_dp_panel *msm_dp_panel,
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struct drm_connector *connector);
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void msm_dp_panel_handle_sink_request(struct msm_dp_panel *msm_dp_panel);
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void msm_dp_panel_tpg_config(struct msm_dp_panel *msm_dp_panel, bool enable);
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void msm_dp_panel_clear_dsc_dto(struct msm_dp_panel *msm_dp_panel);
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void msm_dp_panel_enable_vsc_sdp(struct msm_dp_panel *msm_dp_panel, struct dp_sdp *vsc_sdp);
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void msm_dp_panel_disable_vsc_sdp(struct msm_dp_panel *msm_dp_panel);
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/**
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* is_link_rate_valid() - validates the link rate
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* @bw_code: link rate requested by the sink
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*
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* Returns: true if the requested link rate is supported.
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*/
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static inline bool is_link_rate_valid(u32 bw_code)
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{
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return (bw_code == DP_LINK_BW_1_62 ||
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bw_code == DP_LINK_BW_2_7 ||
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bw_code == DP_LINK_BW_5_4 ||
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bw_code == DP_LINK_BW_8_1);
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}
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/**
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* is_lane_count_valid() - validates the lane count
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* @lane_count: lane count requested by the sink
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*
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* Returns: true if the requested lane count is supported.
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*/
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static inline bool is_lane_count_valid(u32 lane_count)
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{
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return (lane_count == 1 ||
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lane_count == 2 ||
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lane_count == 4);
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}
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struct msm_dp_panel *msm_dp_panel_get(struct device *dev, struct drm_dp_aux *aux,
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struct msm_dp_link *link,
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void __iomem *link_base,
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void __iomem *p0_base);
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void msm_dp_panel_put(struct msm_dp_panel *msm_dp_panel);
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#endif /* _DP_PANEL_H_ */
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