diff options
Diffstat (limited to 'drivers/gpu/drm/msm/disp/dpu1/dpu_plane.h')
| -rw-r--r-- | drivers/gpu/drm/msm/disp/dpu1/dpu_plane.h | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.h new file mode 100644 index 000000000..b7b1b0519 --- /dev/null +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.h @@ -0,0 +1,120 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2015-2018, The Linux Foundation. All rights reserved. + * Copyright (C) 2013 Red Hat + * Author: Rob Clark <robdclark@gmail.com> + */ + +#ifndef _DPU_PLANE_H_ +#define _DPU_PLANE_H_ + +#include <drm/drm_crtc.h> + +#include "dpu_kms.h" +#include "dpu_hw_mdss.h" +#include "dpu_hw_sspp.h" + +/** + * struct dpu_plane_state: Define dpu extension of drm plane state object + * @base: base drm plane state object + * @aspace: pointer to address space for input/output buffers + * @stage: assigned by crtc blender + * @needs_qos_remap: qos remap settings need to be updated + * @multirect_index: index of the rectangle of SSPP + * @multirect_mode: parallel or time multiplex multirect mode + * @pending: whether the current update is still pending + * @plane_fetch_bw: calculated BW per plane + * @plane_clk: calculated clk per plane + * @needs_dirtyfb: whether attached CRTC needs pixel data explicitly flushed + * @rotation: simplified drm rotation hint + */ +struct dpu_plane_state { + struct drm_plane_state base; + struct msm_gem_address_space *aspace; + enum dpu_stage stage; + bool needs_qos_remap; + uint32_t multirect_index; + uint32_t multirect_mode; + bool pending; + + u64 plane_fetch_bw; + u64 plane_clk; + + bool needs_dirtyfb; + unsigned int rotation; +}; + +/** + * struct dpu_multirect_plane_states: Defines multirect pair of drm plane states + * @r0: drm plane configured on rect 0 + * @r1: drm plane configured on rect 1 + */ +struct dpu_multirect_plane_states { + const struct drm_plane_state *r0; + const struct drm_plane_state *r1; +}; + +#define to_dpu_plane_state(x) \ + container_of(x, struct dpu_plane_state, base) + +/** + * dpu_plane_pipe - return sspp identifier for the given plane + * @plane: Pointer to DRM plane object + * Returns: sspp identifier of the given plane + */ +enum dpu_sspp dpu_plane_pipe(struct drm_plane *plane); + +/** + * dpu_plane_flush - final plane operations before commit flush + * @plane: Pointer to drm plane structure + */ +void dpu_plane_flush(struct drm_plane *plane); + +/** + * dpu_plane_set_error: enable/disable error condition + * @plane: pointer to drm_plane structure + */ +void dpu_plane_set_error(struct drm_plane *plane, bool error); + +/** + * dpu_plane_init - create new dpu plane for the given pipe + * @dev: Pointer to DRM device + * @pipe: dpu hardware pipe identifier + * @type: Plane type - PRIMARY/OVERLAY/CURSOR + * @possible_crtcs: bitmask of crtc that can be attached to the given pipe + * + */ +struct drm_plane *dpu_plane_init(struct drm_device *dev, + uint32_t pipe, enum drm_plane_type type, + unsigned long possible_crtcs); + +/** + * dpu_plane_validate_multirecti_v2 - validate the multirect planes + * against hw limitations + * @plane: drm plate states of the multirect pair + */ +int dpu_plane_validate_multirect_v2(struct dpu_multirect_plane_states *plane); + +/** + * dpu_plane_clear_multirect - clear multirect bits for the given pipe + * @drm_state: Pointer to DRM plane state + */ +void dpu_plane_clear_multirect(const struct drm_plane_state *drm_state); + +/** + * dpu_plane_color_fill - enables color fill on plane + * @plane: Pointer to DRM plane object + * @color: RGB fill color value, [23..16] Blue, [15..8] Green, [7..0] Red + * @alpha: 8-bit fill alpha value, 255 selects 100% alpha + * Returns: 0 on success + */ +int dpu_plane_color_fill(struct drm_plane *plane, + uint32_t color, uint32_t alpha); + +#ifdef CONFIG_DEBUG_FS +void dpu_plane_danger_signal_ctrl(struct drm_plane *plane, bool enable); +#else +static inline void dpu_plane_danger_signal_ctrl(struct drm_plane *plane, bool enable) {} +#endif + +#endif /* _DPU_PLANE_H_ */ |