diff options
| author | Aurabindo Pillai <aurabindo.pillai@amd.com> | 2023-11-03 13:58:00 -0400 |
|---|---|---|
| committer | Aurabindo Pillai <aurabindo.pillai@amd.com> | 2023-11-08 14:35:52 -0500 |
| commit | 2c13e6422ff847eb7523ca5291c21294f8b34ef6 (patch) | |
| tree | 81690f10cf27325dcb08ad82b0261762fd5e2d8b | |
| parent | 0380778314e81d5ca9ef250b16930abd12a5a117 (diff) | |
lib/amd: Add check for SubVP feature status
Add an API to check whether Subviewport feature is supported and enabled
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Reviewed-by: Alex Hung <alex.hung@amd.com>
| -rw-r--r-- | lib/igt_amd.c | 29 | ||||
| -rw-r--r-- | lib/igt_amd.h | 1 |
2 files changed, 30 insertions, 0 deletions
diff --git a/lib/igt_amd.c b/lib/igt_amd.c index 177a1094d..247a42f37 100644 --- a/lib/igt_amd.c +++ b/lib/igt_amd.c @@ -45,6 +45,8 @@ #define Y6 64 #define Y7 128 +#define subvp_supported "sub-viewport supported: yes" +#define subvp_enabled "sub-viewport supported: yes, enabled: yes" #define mall_supported "mall supported: yes" #define mall_enabled "mall supported: yes, enabled: yes" @@ -1204,6 +1206,33 @@ void igt_amd_get_mall_status(int drm_fd, bool *supported, bool *enabled) } /** + * @brief check if AMDGPU sub-viewport support exists + * + * @param drm_fd DRM file descriptor + * @param supported set to true if harwdare supports subviewport + * @param enabled set tot true if subviewport is currently in use + */ +void igt_amd_get_subvp_status(int drm_fd, bool *supported, bool *enabled) +{ + char buf[1024]; + char *subvp_loc; + + *supported = false; + *enabled = false; + + if (!get_dm_capabilities(drm_fd, buf, 1024)) + return; + + subvp_loc = strstr(buf, subvp_supported); + if (subvp_loc) + *supported = true; + + subvp_loc = strstr(buf, subvp_enabled); + if (subvp_loc && *supported) + *enabled = true; +} + +/** * @brief check if AMDGPU DM visual confirm debugfs interface entry exist and defined * * @param drm_fd DRM file descriptor diff --git a/lib/igt_amd.h b/lib/igt_amd.h index de992ac4f..1e66348ad 100644 --- a/lib/igt_amd.h +++ b/lib/igt_amd.h @@ -200,5 +200,6 @@ int igt_amd_get_visual_confirm(int drm_fd); bool igt_amd_set_visual_confirm(int drm_fd, enum amdgpu_debug_visual_confirm option); void igt_amd_get_mall_status(int drm_fd, bool *supported, bool *enabled); +void igt_amd_get_subvp_status(int drm_fd, bool *supported, bool *enabled); bool igt_amd_output_has_odm_combine_segments(int drm_fd, char *connector_name); #endif /* IGT_AMD_H */ |