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Commit 972145c7 authored by Rahul Sharma's avatar Rahul Sharma Committed by Inki Dae
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drm/exynos: remove hardware overlays disable from fimd probe 



System hangs when FIMD registers are accessed to disable
hardware overlays. This is because of the clocks which are
not enabled before register access.

'Hardware overlay disable' is cleaned from the FIMD probe.

Signed-off-by: default avatarRahul Sharma <rahul.sharma@samsung.com>
Signed-off-by: default avatarInki Dae <inki.dae@samsung.com>
parent 7a80ec79

drivers/gpu/drm/exynos/exynos_drm_fimd.c

+0 −17
Original line number Diff line number Diff line
@@ -703,19 +703,6 @@ static void fimd_win_disable(struct exynos_drm_manager *mgr, int zpos) 
	win_data->enabled = false;

}



static void fimd_clear_win(struct fimd_context *ctx, int win)

{

	writel(0, ctx->regs + WINCON(win));

	writel(0, ctx->regs + VIDOSD_A(win));

	writel(0, ctx->regs + VIDOSD_B(win));

	writel(0, ctx->regs + VIDOSD_C(win));



	if (win == 1 || win == 2)

		writel(0, ctx->regs + VIDOSD_D(win));



	fimd_shadow_protect_win(ctx, win, false);

}



static void fimd_window_suspend(struct exynos_drm_manager *mgr)

{

	struct fimd_context *ctx = mgr->ctx;
@@ -898,16 +885,12 @@ static int fimd_bind(struct device *dev, struct device *master, void *data) 
{

	struct fimd_context *ctx = fimd_manager.ctx;

	struct drm_device *drm_dev = data;

	int win;



	fimd_mgr_initialize(&fimd_manager, drm_dev);

	exynos_drm_crtc_create(&fimd_manager);

	if (ctx->display)

		exynos_drm_create_enc_conn(drm_dev, ctx->display);



	for (win = 0; win < WINDOWS_NR; win++)

		fimd_clear_win(ctx, win);



	return 0;



}