757a2f36ab
Widebus feature will transmit two pixel data per pixel clock to interface. This feature now is required to be enabled to easy migrant to higher resolution applications in future. However since some legacy chipsets does not support this feature, this feature is enabled by setting wide_bus_en flag to true within msm_dp_desc struct. changes in v2: -- remove compression related code from timing -- remove op_info from struct msm_drm_private -- remove unnecessary wide_bus_en variables -- pass wide_bus_en into timing configuration by struct msm_dp Changes in v3: -- split patch into 3 patches -- enable widebus feature base on chip hardware revision Changes in v5: -- DP_INTF_CONFIG_DATABUS_WIDEN Changes in v6: -- static inline bool msm_dp_wide_bus_enable() in msm_drv.h Changes in v7: -- add Tested-by Changes in v9: -- add wide_bus_en to msm_dp_desc Changes in v10: -- add wide_bus_en boolean to dp_catalog struc to avoid passing it as parameter Changes in v11: -- add const to dp_catalog_hw_revision() -- add const to msm_dp_wide_bus_available() Changes in v12: -- dp_catalog_hw_revision(const struct dp_catalog *dp_catalog) -- msm_dp_wide_bus_available(const struct msm_dp *dp_display) Signed-off-by: Kuogee Hsieh <quic_khsieh@quicinc.com> Reported-by: kernel test robot <lkp@intel.com> Tested-by: Bjorn Andersson <bjorn.andersson@linaro.org> Reviewed-by: Stephen Boyd <swboyd@chromium.org> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Patchwork: https://patchwork.freedesktop.org/patch/476283/ Link: https://lore.kernel.org/r/1645824192-29670-5-git-send-email-quic_khsieh@quicinc.com [DB: fixed the compilation] Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
40 lines
1.2 KiB
C
40 lines
1.2 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_CTRL_H_
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#define _DP_CTRL_H_
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#include "dp_aux.h"
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#include "dp_panel.h"
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#include "dp_link.h"
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#include "dp_parser.h"
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#include "dp_power.h"
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#include "dp_catalog.h"
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struct dp_ctrl {
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bool orientation;
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atomic_t aborted;
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u32 pixel_rate;
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bool wide_bus_en;
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};
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int dp_ctrl_on_link(struct dp_ctrl *dp_ctrl);
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int dp_ctrl_on_stream(struct dp_ctrl *dp_ctrl);
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int dp_ctrl_off_link_stream(struct dp_ctrl *dp_ctrl);
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int dp_ctrl_off(struct dp_ctrl *dp_ctrl);
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void dp_ctrl_push_idle(struct dp_ctrl *dp_ctrl);
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void dp_ctrl_isr(struct dp_ctrl *dp_ctrl);
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void dp_ctrl_handle_sink_request(struct dp_ctrl *dp_ctrl);
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struct dp_ctrl *dp_ctrl_get(struct device *dev, struct dp_link *link,
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struct dp_panel *panel, struct drm_dp_aux *aux,
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struct dp_power *power, struct dp_catalog *catalog,
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struct dp_parser *parser);
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void dp_ctrl_reset_irq_ctrl(struct dp_ctrl *dp_ctrl, bool enable);
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void dp_ctrl_phy_init(struct dp_ctrl *dp_ctrl);
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void dp_ctrl_phy_exit(struct dp_ctrl *dp_ctrl);
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void dp_ctrl_irq_phy_exit(struct dp_ctrl *dp_ctrl);
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#endif /* _DP_CTRL_H_ */
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