samsung-sm8650/android_kernel_samsung_sm8650-modules
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

disp: msm: sde: add support for noise layer

Browse Source 
DPU has added support for noise injection into the layer stack. Change
adds support for noise layer programming and exposes the hardware block
to the user space modules.

Change-Id: Id176eea54fcdcd5d399457b14133a1ccde07299f
This commit is contained in:
Gopikrishnaiah Anandan
2020-07-17 14:31:51 -07:00
committed by Gerrit - the friendly Code Review server
parent 0902623719
commit e7c7283510
7 changed files with 282 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

23
include/uapi/display/drm/sde_drm.h
View File

@@ -680,6 +680,29 @@ struct drm_msm_display_hint {
__u32 hint_flags;
};
#define DRM_NOISE_LAYER_CFG
#define DRM_NOISE_TEMPORAL_FLAG (1 << 0)
#define DRM_NOISE_ATTN_MAX 255
#define DRM_NOISE_STREN_MAX 6
/**
* struct drm_msm_noise_layer_cfg: Payload to enable/disable noise blend
* @flags: operation control flags, for future use
* @zposn: noise zorder
* @zposattn: attenuation zorder
* @attn_factor: attenuation factor in range of 1 to 255
* @stength: strength in range of 0 to 6
* @alpha_noise: attenuation in range of 1 to 255
*/
struct drm_msm_noise_layer_cfg {
__u64 flags;
__u32 zposn;
__u32 zposattn;
__u32 attn_factor;
__u32 strength;
__u32 alpha_noise;
};
#define DRM_SDE_WB_CONFIG 0x40
#define DRM_MSM_REGISTER_EVENT 0x41
#define DRM_MSM_DEREGISTER_EVENT 0x42