/**
* sti_hqvdp_disable
* @hqvdp: hqvdp pointer
*
* Disables the HQVDP plane
*/
static void sti_hqvdp_disable(struct sti_hqvdp *hqvdp)
{
int i;
DRM_DEBUG_DRIVER("%s\n", sti_plane_to_str(&hqvdp->plane));
/* Unregister VTG Vsync callback */
if (sti_vtg_unregister_client(hqvdp->vtg, &hqvdp->vtg_nb))
DRM_DEBUG_DRIVER("Warning: cannot unregister VTG notifier\n");
/* Set next cmd to NULL */
writel(0, hqvdp->regs + HQVDP_MBX_NEXT_CMD);
for (i = 0; i < POLL_MAX_ATTEMPT; i++) {
if (readl(hqvdp->regs + HQVDP_MBX_INFO_XP70)
& INFO_XP70_FW_READY)
break;
msleep(POLL_DELAY_MS);
}
/* VTG can stop now */
clk_disable_unprepare(hqvdp->clk_pix_main);
if (i == POLL_MAX_ATTEMPT)
DRM_ERROR("XP70 could not revert to idle\n");
hqvdp->plane.status = STI_PLANE_DISABLED;
}
/**
* sti_gdp_disable_layer
* @lay: gdp layer
*
* Disable a GDP.
*
* RETURNS:
* 0 on success.
*/
static int sti_gdp_disable_layer(struct sti_layer *layer)
{
unsigned int i;
struct sti_gdp *gdp = to_sti_gdp(layer);
struct sti_compositor *compo = dev_get_drvdata(layer->dev);
DRM_DEBUG_DRIVER("%s\n", sti_layer_to_str(layer));
/* Set the nodes as 'to be ignored on mixer' */
for (i = 0; i < GDP_NODE_NB_BANK; i++) {
gdp->node_list[i].top_field->gam_gdp_ppt |= GAM_GDP_PPT_IGNORE;
gdp->node_list[i].btm_field->gam_gdp_ppt |= GAM_GDP_PPT_IGNORE;
}
if (sti_vtg_unregister_client(layer->mixer_id == STI_MIXER_MAIN ?
compo->vtg_main : compo->vtg_aux, &gdp->vtg_field_nb))
DRM_DEBUG_DRIVER("Warning: cannot unregister VTG notifier\n");
if (gdp->clk_pix)
clk_disable_unprepare(gdp->clk_pix);
return 0;
}
