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authordec05eba <dec05eba@protonmail.com>2023-10-22 04:56:34 +0200
committerdec05eba <dec05eba@protonmail.com>2023-10-22 04:56:34 +0200
commit51154b71be6be742541f53a21b5c9d39d0033270 (patch)
tree348cc95ce90744c14884b2821136586b5ea8ed09 /kms
parent44d50065b92284638398b4989490ac66eb34c53e (diff)
Fix vram leak for reals
Diffstat (limited to 'kms')
-rw-r--r--kms/server/kms_server.c48
1 files changed, 37 insertions, 11 deletions
diff --git a/kms/server/kms_server.c b/kms/server/kms_server.c
index 7bc555d..f42567a 100644
--- a/kms/server/kms_server.c
+++ b/kms/server/kms_server.c
@@ -185,6 +185,26 @@ static void map_crtc_to_connector_ids(gsr_drm *drm, connector_to_crtc_map *c2crt
drmModeFreeResources(resources);
}
+static void drm_mode_cleanup_handles(int drmfd, drmModeFB2Ptr drmfb) {
+ for(int i = 0; i < 4; ++i) {
+ if(!drmfb->handles[i])
+ continue;
+
+ bool already_closed = false;
+ for(int j = 0; j < i; ++j) {
+ if(drmfb->handles[i] == drmfb->handles[j]) {
+ already_closed = true;
+ break;
+ }
+ }
+
+ if(already_closed)
+ continue;
+
+ drmCloseBufferHandle(drmfd, drmfb->handles[i]);
+ }
+}
+
static int kms_get_fb(gsr_drm *drm, gsr_kms_response *response, connector_to_crtc_map *c2crtc_map) {
int result = -1;
@@ -194,7 +214,7 @@ static int kms_get_fb(gsr_drm *drm, gsr_kms_response *response, connector_to_crt
for(uint32_t i = 0; i < drm->planes->count_planes && response->num_fds < GSR_KMS_MAX_PLANES; ++i) {
drmModePlanePtr plane = NULL;
- drmModeFBPtr drmfb = NULL;
+ drmModeFB2Ptr drmfb = NULL;
plane = drmModeGetPlane(drm->drmfd, drm->planes->planes[i]);
if(!plane) {
@@ -207,8 +227,7 @@ static int kms_get_fb(gsr_drm *drm, gsr_kms_response *response, connector_to_crt
if(!plane->fb_id)
goto next;
- // TODO: drmModeGetFB2 can't be used because it causes a vram leak when the fb_fd is sent amd/intel.. why?
- drmfb = drmModeGetFB(drm->drmfd, plane->fb_id);
+ drmfb = drmModeGetFB2(drm->drmfd, plane->fb_id);
if(!drmfb) {
// Commented out for now because we get here if the cursor is moved to another monitor and we dont care about the cursor
//response->result = KMS_RESULT_FAILED_TO_GET_PLANE;
@@ -217,23 +236,23 @@ static int kms_get_fb(gsr_drm *drm, gsr_kms_response *response, connector_to_crt
goto next;
}
- if(!drmfb->handle) {
+ if(!drmfb->handles[0]) {
response->result = KMS_RESULT_FAILED_TO_GET_PLANE;
snprintf(response->err_msg, sizeof(response->err_msg), "drmfb handle is NULL");
fprintf(stderr, "kms server error: %s\n", response->err_msg);
- goto next;
+ goto cleanup_handles;
}
// TODO: Check if dimensions have changed by comparing width and height to previous time this was called.
// TODO: Support other plane formats than rgb (with multiple planes, such as direct YUV420 on wayland).
int fb_fd = -1;
- const int ret = drmPrimeHandleToFD(drm->drmfd, drmfb->handle, O_RDONLY, &fb_fd);
+ const int ret = drmPrimeHandleToFD(drm->drmfd, drmfb->handles[0], O_RDONLY, &fb_fd);
if(ret != 0 || fb_fd == -1) {
response->result = KMS_RESULT_FAILED_TO_GET_PLANE;
snprintf(response->err_msg, sizeof(response->err_msg), "failed to get fd from drm handle, error: %s", strerror(errno));
fprintf(stderr, "kms server error: %s\n", response->err_msg);
- goto next;
+ goto cleanup_handles;
}
bool is_cursor = false;
@@ -243,10 +262,11 @@ static int kms_get_fb(gsr_drm *drm, gsr_kms_response *response, connector_to_crt
response->fds[response->num_fds].fd = fb_fd;
response->fds[response->num_fds].width = drmfb->width;
response->fds[response->num_fds].height = drmfb->height;
- response->fds[response->num_fds].pitch = drmfb->pitch;
- response->fds[response->num_fds].offset = 0;//drmfb->offsets[0];
- // TODO?
+ response->fds[response->num_fds].pitch = drmfb->pitches[0];
+ response->fds[response->num_fds].offset = drmfb->offsets[0];
+ // TODO:
response->fds[response->num_fds].pixel_format = DRM_FORMAT_ARGB8888;//drmfb->pixel_format;
+ // TODO:
response->fds[response->num_fds].modifier = 0;//drmfb->modifier;
response->fds[response->num_fds].connector_id = get_connector_by_crtc_id(c2crtc_map, plane->crtc_id);
response->fds[response->num_fds].is_cursor = is_cursor;
@@ -264,13 +284,19 @@ static int kms_get_fb(gsr_drm *drm, gsr_kms_response *response, connector_to_crt
}
++response->num_fds;
+ cleanup_handles:
+ drm_mode_cleanup_handles(drm->drmfd, drmfb);
+
next:
if(drmfb)
- drmModeFreeFB(drmfb);
+ drmModeFreeFB2(drmfb);
if(plane)
drmModeFreePlane(plane);
}
+ if(response->num_fds > 0)
+ response->result = KMS_RESULT_OK;
+
if(response->result == KMS_RESULT_OK) {
result = 0;
} else {