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Suspend and Resume methods

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This commit is contained in:
Vincent Wei
2019-06-14 15:50:37 +08:00
parent 80773ab228
commit c445b5a80d
2 changed files with 67 additions and 4 deletions
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69
src/newgal/drm/drmvideo.c
View File

@@ -69,6 +69,8 @@ static GAL_Surface *DRM_SetVideoMode_Dumb(_THIS, GAL_Surface *current,
int width, int height, int bpp, Uint32 flags);
static int DRM_AllocHWSurface_Dumb(_THIS, GAL_Surface *surface);
static void DRM_FreeHWSurface_Dumb(_THIS, GAL_Surface *surface);
static int DRM_Suspend_Dumb(_THIS);
static int DRM_Resume_Dumb(_THIS);
/* DRM engine operators accelerated */
static GAL_Surface *DRM_SetVideoMode_Accl(_THIS, GAL_Surface *current,
@@ -154,14 +156,18 @@ static void drm_cleanup(DrmVideoData* vdata)
if (vdata->saved_crtc) {
/* restore saved CRTC configuration */
drmModeSetCrtc(vdata->dev_fd,
int ret = drmModeSetCrtc(vdata->dev_fd,
vdata->saved_crtc->crtc_id,
vdata->saved_crtc->buffer_id,
vdata->saved_crtc->x,
vdata->saved_crtc->y,
&vdata->conn,
1,
&vdata->saved_info->conn, 1,
&vdata->saved_crtc->mode);
if (ret) {
_ERR_PRINTF ("NEWGAL>DRM: failed to restore CRTC for connector %u (%d): %m\n",
vdata->saved_info->conn, errno);
}
drmModeFreeCrtc(vdata->saved_crtc);
}
@@ -350,6 +356,8 @@ static GAL_VideoDevice *DRM_CreateDevice(int devindex)
device->SetHWColorKey = NULL;
device->SetHWAlpha = NULL;
device->FreeHWSurface = DRM_FreeHWSurface_Dumb;
device->Suspend = DRM_Suspend_Dumb;
device->Resume = DRM_Resume_Dumb;
}
device->free = DRM_DeleteDevice;
@@ -735,6 +743,8 @@ static GAL_Surface *DRM_SetVideoMode_Dumb(_THIS, GAL_Surface *current,
return NULL;
}
this->hidden->saved_info = info;
/* Set up the new mode framebuffer */
/* Allocate the new pixel format for the screen */
if (!GAL_ReallocFormat (current, bpp, 0, 0, 0, 0)) {
@@ -764,6 +774,59 @@ static void DRM_FreeHWSurface_Dumb(_THIS, GAL_Surface *surface)
surface->pixels = NULL;
}
static int DRM_Resume_Dumb(_THIS)
{
DrmVideoData* vdata = this->hidden;
int ret = -1;
_DBG_PRINTF ("NEWGAL>DRM: %s called\n", __FUNCTION__);
if (vdata->saved_info) {
vdata->saved_crtc = drmModeGetCrtc(vdata->dev_fd,
vdata->saved_info->crtc);
ret = drmModeSetCrtc(vdata->dev_fd,
vdata->saved_info->crtc,
vdata->buff, 0, 0,
&vdata->saved_info->conn, 1,
&vdata->saved_info->mode);
}
if (ret) {
_ERR_PRINTF ("NEWGAL>DRM: Failed to resume dumb frame buffer: %d.\n",
ret);
}
return ret;
}
static int DRM_Suspend_Dumb(_THIS)
{
DrmVideoData* vdata = this->hidden;
int ret = -1;
_DBG_PRINTF ("NEWGAL>DRM: %s called\n", __FUNCTION__);
if (vdata->saved_crtc) {
/* restore saved CRTC configuration */
ret = drmModeSetCrtc(vdata->dev_fd,
vdata->saved_crtc->crtc_id,
vdata->saved_crtc->buffer_id,
vdata->saved_crtc->x,
vdata->saved_crtc->y,
&vdata->saved_info->conn, 1,
&vdata->saved_crtc->mode);
drmModeFreeCrtc(vdata->saved_crtc);
vdata->saved_crtc = NULL;
}
if (ret) {
_ERR_PRINTF ("NEWGAL>DRM: Failed to suspend dumb frame buffer: %m.\n");
}
return ret;
}
/* DRM engine methods for accelerated buffers */
static GAL_Surface *DRM_SetVideoMode_Accl(_THIS, GAL_Surface *current,
int width, int height, int bpp, Uint32 flags)

2
src/newgal/drm/drmvideo.h
View File

@@ -63,10 +63,10 @@ typedef struct GAL_PrivateVideoData {
uint32_t pitch;
uint32_t size;
uint32_t conn;
uint32_t buff;
uint32_t handle;
DrmModeInfo* saved_info;
drmModeCrtc* saved_crtc;
uint8_t* fb;
} DrmVideoData;