static void decon_disable(struct exynos_drm_crtc *crtc)
{
struct decon_context *ctx = crtc->ctx;
int i;
if (test_bit(BIT_SUSPENDED, &ctx->flags))
return;
/*
* We need to make sure that all windows are disabled before we
* suspend that connector. Otherwise we might try to scan from
* a destroyed buffer later.
*/
for (i = ctx->first_win; i < WINDOWS_NR; i++)
decon_disable_plane(crtc, &ctx->planes[i]);
decon_swreset(ctx);
clear_bit(BIT_CLKS_ENABLED, &ctx->flags);
exynos_drm_pipe_clk_enable(crtc, false);
pm_runtime_put_sync(ctx->dev);
set_bit(BIT_SUSPENDED, &ctx->flags);
}
static void decon_disable(struct exynos_drm_crtc *crtc)
{
struct decon_context *ctx = crtc->ctx;
int i;
if (ctx->suspended)
return;
/*
* We need to make sure that all windows are disabled before we
* suspend that connector. Otherwise we might try to scan from
* a destroyed buffer later.
*/
for (i = 0; i < WINDOWS_NR; i++)
decon_disable_plane(crtc, &ctx->planes[i]);
decon_swreset(ctx);
for (i = 0; i < ARRAY_SIZE(decon_clks_name); i++)
clk_disable_unprepare(ctx->clks[i]);
clear_bit(BIT_CLKS_ENABLED, &ctx->enabled);
pm_runtime_put_sync(ctx->dev);
ctx->suspended = true;
}
static void decon_enable(struct exynos_drm_crtc *crtc)
{
struct decon_context *ctx = crtc->ctx;
if (!test_and_clear_bit(BIT_SUSPENDED, &ctx->flags))
return;
pm_runtime_get_sync(ctx->dev);
exynos_drm_pipe_clk_enable(crtc, true);
set_bit(BIT_CLKS_ENABLED, &ctx->flags);
decon_swreset(ctx);
/* if vblank was enabled status, enable it again. */
if (test_and_clear_bit(BIT_IRQS_ENABLED, &ctx->flags))
decon_enable_vblank(ctx->crtc);
decon_commit(ctx->crtc);
}
