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disp: msm: sde: frame data feature

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Add support to send a data packet of info, written to
predefined buffers, providing information about each submitted frame.
Add required UAPI definitions for frame data buffers and event
notification.
Add support to read ubwc statistics from hw, based on defined rois.

Change-Id: I51f279de98ae4e2a02b0df6943d334764011d5db
Signed-off-by: Nilaan Gunabalachandran <ngunabal@codeaurora.org>
This commit is contained in:
Nilaan Gunabalachandran
2020-08-10 11:59:27 -04:00
parent 9f954a19ff
commit c5835a215e
10 changed files with 483 additions and 118 deletions
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87
include/uapi/display/drm/sde_drm.h
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@@ -526,6 +526,92 @@ struct sde_drm_roi_v1 {
#define SDE_RECOVERY_CAPTURE 1
#define SDE_RECOVERY_HARD_RESET 2
/**
* Define UBWC statistics config
*/
#define UBWC_STATS_MAX_ROI 0x3
/**
* struct sde_drm_ubwc_stats_roi - region of interest for ubwc stats
* y_coord0: first y offset from top of display
* y_coord1: second y offset from top of display
*/
struct sde_drm_ubwc_stats_roi {
__u16 y_coord0;
__u16 y_coord1;
};
/**
* struct sde_drm_ubwc_stats_data: ubwc statistics
* roi: region of interest
* worst_bw: worst bandwidth, per roi
* worst_bw_y_coord: y offset (row) location of worst bandwidth, per roi
* total_bw: total bandwidth, per roi
* error: error status
* meta_error: meta error data
*/
struct sde_drm_ubwc_stats_data {
struct sde_drm_ubwc_stats_roi roi;
__u16 worst_bw[UBWC_STATS_MAX_ROI];
__u16 worst_bw_y_coord[UBWC_STATS_MAX_ROI];
__u32 total_bw[UBWC_STATS_MAX_ROI];
__u32 error;
__u32 meta_error;
};
/**
* Define frame data config
*/
#define SDE_FRAME_DATA_BUFFER_MAX 0x3
#define SDE_FRAME_DATA_GUARD_BYTES 0xFF
#define SDE_FRAME_DATA_MAX_PLANES 0x10
/**
* struct sde_drm_frame_data_buffers_ctrl - control frame data buffers
* num_buffers: number of allocated buffers
* fds: fd list for allocated buffers
*/
struct sde_drm_frame_data_buffers_ctrl {
__u32 num_buffers;
__u32 fds[SDE_FRAME_DATA_BUFFER_MAX];
};
/**
* struct sde_drm_frame_data_buf - frame data buffer info sent to userspace
* fd: buffer fd
* offset: offset from buffer address
* status: status flag
*/
struct sde_drm_frame_data_buf {
__u32 fd;
__u32 offset;
__u32 status;
};
/**
* struct sde_drm_plane_frame_data - definition of plane frame data struct
* plane_id: drm plane id
* ubwc_stats: ubwc statistics
*/
struct sde_drm_plane_frame_data {
__u32 plane_id;
struct sde_drm_ubwc_stats_data ubwc_stats;
};
/**
* struct sde_drm_frame_data_packet - definition of frame data struct
* frame_count: interface frame count
* commit_count: sw commit count
* plane_frame_data: data available per plane
*/
struct sde_drm_frame_data_packet {
__u32 frame_count;
__u64 commit_count;
struct sde_drm_plane_frame_data plane_frame_data[SDE_FRAME_DATA_MAX_PLANES];
};
/*
* Colorimetry Data Block values
* These bit nums are defined as per the CTA spec
@@ -723,6 +809,7 @@ struct drm_msm_noise_layer_cfg {
#define DRM_EVENT_LTM_WB_PB 0X80000009
#define DRM_EVENT_LTM_OFF 0X8000000A
#define DRM_EVENT_MMRM_CB 0X8000000B
#define DRM_EVENT_FRAME_DATA 0x8000000C
#ifndef DRM_MODE_FLAG_VID_MODE_PANEL
#define DRM_MODE_FLAG_VID_MODE_PANEL 0x01