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[Video/KMSDRM] Better ATOMIC caps testing: patch by Oskan Sezer.

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This commit is contained in:
Manuel Alfayate Corchete 2020-12-19 17:35:04 +01:00
parent 436499f3ec
commit ab3a390e26
1 changed files with 8 additions and 21 deletions
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29
src/video/kmsdrm/SDL_kmsdrmvideo.c
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@ -59,11 +59,14 @@
#define AMDGPU_COMPAT 1
static int check_atomic_modesetting (int fd)
static int set_client_caps (int fd)
{
if (KMSDRM_drmSetClientCap(fd, DRM_CLIENT_CAP_ATOMIC, 1)) {
return SDL_SetError("no atomic modesetting support.");
}
if (KMSDRM_drmSetClientCap(fd, DRM_CLIENT_CAP_UNIVERSAL_PLANES, 1)) {
return SDL_SetError("no universal planes support.");
}
return 0;
}
@ -81,7 +84,7 @@ check_modesetting(int devindex)
drm_fd = open(device, O_RDWR | O_CLOEXEC);
if (drm_fd >= 0) {
if (SDL_KMSDRM_LoadSymbols()) {
drmModeRes *resources = (check_atomic_modesetting(drm_fd) < 0) ? NULL : KMSDRM_drmModeGetResources(drm_fd);
drmModeRes *resources = (set_client_caps(drm_fd) < 0) ? NULL : KMSDRM_drmModeGetResources(drm_fd);
if (resources) {
SDL_LogDebug(SDL_LOG_CATEGORY_VIDEO, "%scard%d connector, encoder and CRTC counts are: %d %d %d",
KMSDRM_DRI_PATH, devindex,
@ -1029,28 +1032,13 @@ int KMSDRM_DisplayDataInit (_THIS, SDL_DisplayData *dispdata) {
SDL_LogDebug(SDL_LOG_CATEGORY_VIDEO, "Opened DRM FD (%d)", viddata->drm_fd);
/* Try ATOMIC compatibility */
ret = check_atomic_modesetting(viddata->drm_fd);
if (ret) {
goto cleanup;
}
/********************************************/
/* Block for enabling ATOMIC compatibility. */
/********************************************/
/* Set ATOMIC compatibility */
/* TODO: We have just tried ATOMIC compatibility, haven't we? */
ret = KMSDRM_drmSetClientCap(viddata->drm_fd, DRM_CLIENT_CAP_ATOMIC, 1);
/* Set ATOMIC & UNIVERSAL PLANES compatibility */
ret = set_client_caps(viddata->drm_fd);
if (ret) {
ret = SDL_SetError("no atomic modesetting support.");
goto cleanup;
}
/* Set UNIVERSAL PLANES compatibility */
ret = KMSDRM_drmSetClientCap(viddata->drm_fd, DRM_CLIENT_CAP_UNIVERSAL_PLANES, 1);
if (ret) {
ret = SDL_SetError("no universal planes support.");
goto cleanup;
}
@ -1273,8 +1261,7 @@ KMSDRM_GBMInit (_THIS, SDL_DisplayData *dispdata)
/* Reopen the FD! */
viddata->drm_fd = open(viddata->devpath, O_RDWR | O_CLOEXEC);
KMSDRM_drmSetClientCap(viddata->drm_fd, DRM_CLIENT_CAP_ATOMIC, 1);
KMSDRM_drmSetClientCap(viddata->drm_fd, DRM_CLIENT_CAP_UNIVERSAL_PLANES, 1);
set_client_caps(viddata->drm_fd);
/* Create aux dumb buffer. It's only useful to keep the PRIMARY PLANE occupied
when we destroy the GBM surface and it's KMS buffers, so not being able to