#include "gralloc_drm.h"
#include "gralloc_drm_priv.h"
+#include <drm_fourcc.h>
+
/*
* Return true if a bo needs fb.
*/
}
/*
+ * Modify pitches, offsets and handles according to
+ * the format and return corresponding drm format value
+ */
+static int resolve_drm_format(struct gralloc_drm_bo_t *bo,
+ uint32_t *pitches, uint32_t *offsets, uint32_t *handles)
+{
+ memset(pitches, 0, 4 * sizeof(uint32_t));
+ memset(offsets, 0, 4 * sizeof(uint32_t));
+ memset(handles, 0, 4 * sizeof(uint32_t));
+
+ pitches[0] = bo->handle->stride;
+ handles[0] = bo->fb_handle;
+
+ switch(bo->handle->format) {
+ case HAL_PIXEL_FORMAT_RGB_888:
+ case HAL_PIXEL_FORMAT_RGBX_8888:
+ case HAL_PIXEL_FORMAT_BGRA_8888:
+ return DRM_FORMAT_ARGB8888;
+ case HAL_PIXEL_FORMAT_RGBA_8888:
+ return DRM_FORMAT_RGBA8888;
+ case HAL_PIXEL_FORMAT_RGB_565:
+ return DRM_FORMAT_RGB565;
+ case HAL_PIXEL_FORMAT_YV12:
+
+ // U and V stride are half of Y plane
+ pitches[2] = pitches[0]/2;
+ pitches[1] = pitches[0]/2;
+
+ // like I420 but U and V are in reverse order
+ offsets[2] = offsets[0] +
+ pitches[0] * bo->handle->height;
+ offsets[1] = offsets[2] +
+ pitches[2] * bo->handle->height/2;
+
+ handles[1] = handles[2] = handles[0];
+
+ return DRM_FORMAT_YUV420;
+ default:
+ return 0;
+ }
+ return 0;
+}
+
+/*
* Add a fb object for a bo.
*/
int gralloc_drm_bo_add_fb(struct gralloc_drm_bo_t *bo)
{
- uint8_t bpp;
+ uint32_t pitches[4];
+ uint32_t offsets[4];
+ uint32_t handles[4];
if (bo->fb_id)
return 0;
- bpp = gralloc_drm_get_bpp(bo->handle->format) * 8;
+ int drm_format = resolve_drm_format(bo, pitches, offsets, handles);
- return drmModeAddFB(bo->drm->fd,
- bo->handle->width, bo->handle->height, bpp, bpp,
- bo->handle->stride, bo->fb_handle,
- (uint32_t *) &bo->fb_id);
+ if (drm_format == 0) {
+ ALOGE("error resolving drm format");
+ return -EINVAL;
+ }
+
+ return drmModeAddFB2(bo->drm->fd,
+ bo->handle->width, bo->handle->height,
+ drm_format, handles, pitches, offsets,
+ (uint32_t *) &bo->fb_id, 0);
}
/*
ret = drmModeSetCrtc(drm->fd, drm->crtc_id, fb_id,
0, 0, &drm->connector_id, 1, &drm->mode);
if (ret) {
- LOGE("failed to set crtc");
+ ALOGE("failed to set crtc");
return ret;
}
-#ifdef DRM_MODE_FEATURE_DIRTYFB
- if (drm->mode_dirty_fb)
+ if (drm->mode_quirk_vmwgfx)
ret = drmModeDirtyFB(drm->fd, fb_id, &drm->clip, 1);
-#endif
return ret;
}
drm->waiting_flip = 0;
if (drm->next_front) {
/* record an error and break */
- LOGE("drmHandleEvent returned without flipping");
+ ALOGE("drmHandleEvent returned without flipping");
drm->current_front = drm->next_front;
drm->next_front = NULL;
}
ret = drmModePageFlip(drm->fd, drm->crtc_id, bo->fb_id,
DRM_MODE_PAGE_FLIP_EVENT, (void *) drm);
if (ret)
- LOGE("failed to perform page flip");
+ ALOGE("failed to perform page flip");
else
drm->next_front = bo;
drmVBlank vbl;
int ret;
+ if (drm->mode_quirk_vmwgfx)
+ return;
+
flip = !!flip;
memset(&vbl, 0, sizeof(vbl));
/* get the current vblank */
ret = drmWaitVBlank(drm->fd, &vbl);
if (ret) {
- LOGW("failed to get vblank");
+ ALOGW("failed to get vblank");
return;
}
ret = drmWaitVBlank(drm->fd, &vbl);
if (ret) {
- LOGW("failed to wait vblank");
+ ALOGW("failed to wait vblank");
return;
}
}
int ret;
if (!bo->fb_id && drm->swap_mode != DRM_SWAP_COPY) {
- LOGE("unable to post bo %p without fb", bo);
+ ALOGE("unable to post bo %p without fb", bo);
return -EINVAL;
}
bo = dst;
}
- drm_kms_wait_for_post(drm, 0);
ret = drm_kms_set_crtc(drm, bo->fb_id);
if (!ret) {
drm->first_post = 0;
bo, 0, 0,
bo->handle->width,
bo->handle->height);
+ if (drm->mode_quirk_vmwgfx)
+ ret = drmModeDirtyFB(drm->fd, drm->current_front->fb_id, &drm->clip, 1);
ret = 0;
break;
case DRM_SWAP_SETCRTC:
static void on_signal(int sig)
{
- struct sigaction act;
-
- /* wait the pending flip */
- if (drm_singleton && drm_singleton->next_front) {
- /* there is race, but this function is hacky enough to ignore that */
- if (drm_singleton->waiting_flip)
- usleep(100 * 1000); /* 100ms */
- else
- drm_kms_page_flip(drm_singleton, NULL);
- }
-
- exit(-1);
+ struct gralloc_drm_t *drm = drm_singleton;
+
+ /* wait the pending flip */
+ if (drm && drm->swap_mode == DRM_SWAP_FLIP && drm->next_front) {
+ /* there is race, but this function is hacky enough to ignore that */
+ if (drm_singleton->waiting_flip)
+ usleep(100 * 1000); /* 100ms */
+ else
+ drm_kms_page_flip(drm_singleton, NULL);
+ }
+
+ exit(-1);
}
static void drm_kms_init_features(struct gralloc_drm_t *drm)
drm->fb_format,
GRALLOC_USAGE_HW_FB);
if (front && gralloc_drm_bo_add_fb(front)) {
- gralloc_drm_bo_destroy(front);
+ gralloc_drm_bo_decref(front);
front = NULL;
}
break;
}
- LOGD("will use %s for fb posting", swap_mode);
+ ALOGD("will use %s for fb posting", swap_mode);
}
static drmModeModeInfoPtr find_mode(drmModeConnectorPtr connector, int *bpp)
if (sscanf(value, "%dx%d", &xres, &yres) != 2)
xres = yres = 0;
}
+
+ if ((xres && yres) || *bpp) {
+ ALOGI("will find the closest match for %dx%d@%d",
+ xres, yres, *bpp);
+ }
}
else {
*bpp = 0;
drm->crtc_id = drm->resources->crtcs[i];
drm->connector_id = connector->connector_id;
+ /* print connector info */
+ if (connector->count_modes > 1) {
+ ALOGI("there are %d modes on connector 0x%x",
+ connector->count_modes,
+ connector->connector_id);
+ for (i = 0; i < connector->count_modes; i++)
+ ALOGI(" %s", connector->modes[i].name);
+ }
+ else {
+ ALOGI("there is one mode on connector 0x%d: %s",
+ connector->connector_id,
+ connector->modes[0].name);
+ }
+
mode = find_mode(connector, &bpp);
+
+ ALOGI("the best mode is %s", mode->name);
+
drm->mode = *mode;
switch (bpp) {
case 2:
drm->resources = drmModeGetResources(drm->fd);
if (!drm->resources) {
- LOGE("failed to get modeset resources");
+ ALOGE("failed to get modeset resources");
return -EINVAL;
}
+ drm->plane_resources = drmModeGetPlaneResources(drm->fd);
+ if (!drm->plane_resources) {
+ ALOGD("no planes found from drm resources");
+ } else {
+ ALOGD("supported drm planes and formats");
+ /* fill a helper structure for hwcomposer */
+ drm->planes = calloc(drm->plane_resources->count_planes,
+ sizeof(struct gralloc_drm_plane_t));
+
+ for (i = 0; i < drm->plane_resources->count_planes; i++) {
+
+ unsigned int j;
+
+ drm->planes[i].drm_plane = drmModeGetPlane(drm->fd,
+ drm->plane_resources->planes[i]);
+
+ ALOGD("plane id %d", drm->planes[i].drm_plane->plane_id);
+ for (j = 0; j < drm->planes[i].drm_plane->count_formats; j++)
+ ALOGD(" format %c%c%c%c",
+ (drm->planes[i].drm_plane->formats[j]),
+ (drm->planes[i].drm_plane->formats[j])>>8,
+ (drm->planes[i].drm_plane->formats[j])>>16,
+ (drm->planes[i].drm_plane->formats[j])>>24);
+ }
+ }
+
/* find the crtc/connector/mode to use */
for (i = 0; i < drm->resources->count_connectors; i++) {
drmModeConnectorPtr connector;
}
}
if (i == drm->resources->count_connectors) {
- LOGE("failed to find a valid crtc/connector/mode combination");
+ ALOGE("failed to find a valid crtc/connector/mode combination");
drmModeFreeResources(drm->resources);
drm->resources = NULL;
return 0;
}
+void gralloc_drm_fini_kms(struct gralloc_drm_t *drm)
+{
+ switch (drm->swap_mode) {
+ case DRM_SWAP_FLIP:
+ drm_kms_page_flip(drm, NULL);
+ break;
+ case DRM_SWAP_COPY:
+ {
+ struct gralloc_drm_bo_t **bo = (drm->current_front) ?
+ &drm->current_front : &drm->next_front;
+
+ if (*bo)
+ gralloc_drm_bo_decref(*bo);
+ *bo = NULL;
+ }
+ break;
+ default:
+ break;
+ }
+
+ /* restore crtc? */
+
+ if (drm->resources) {
+ drmModeFreeResources(drm->resources);
+ drm->resources = NULL;
+ }
+
+ if (drm->planes) {
+ unsigned int i;
+ for (i = 0; i < drm->plane_resources->count_planes; i++)
+ drmModeFreePlane(drm->planes[i].drm_plane);
+ free(drm->planes);
+ drm->planes = NULL;
+ }
+
+ if (drm->plane_resources) {
+ drmModeFreePlaneResources(drm->plane_resources);
+ drm->plane_resources = NULL;
+ }
+
+ drm_singleton = NULL;
+}
+
+int gralloc_drm_is_kms_initialized(struct gralloc_drm_t *drm)
+{
+ return (drm->resources != NULL);
+}
+
/*
* Initialize a framebuffer device with KMS info.
*/
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