diff options
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos7_drm_decon.c')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos7_drm_decon.c | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/drivers/gpu/drm/exynos/exynos7_drm_decon.c b/drivers/gpu/drm/exynos/exynos7_drm_decon.c index d659ba24c8c2..d9798e2aedda 100644 --- a/drivers/gpu/drm/exynos/exynos7_drm_decon.c +++ b/drivers/gpu/drm/exynos/exynos7_drm_decon.c @@ -606,6 +606,7 @@ static void decon_init(struct decon_context *ctx) static void decon_enable(struct exynos_drm_crtc *crtc) { struct decon_context *ctx = crtc->ctx; + int ret; if (!ctx->suspended) return; @@ -614,10 +615,29 @@ static void decon_enable(struct exynos_drm_crtc *crtc) pm_runtime_get_sync(ctx->dev); - clk_prepare_enable(ctx->pclk); - clk_prepare_enable(ctx->aclk); - clk_prepare_enable(ctx->eclk); - clk_prepare_enable(ctx->vclk); + ret = clk_prepare_enable(ctx->pclk); + if (ret < 0) { + DRM_ERROR("Failed to prepare_enable the pclk [%d]\n", ret); + return; + } + + ret = clk_prepare_enable(ctx->aclk); + if (ret < 0) { + DRM_ERROR("Failed to prepare_enable the aclk [%d]\n", ret); + return; + } + + ret = clk_prepare_enable(ctx->eclk); + if (ret < 0) { + DRM_ERROR("Failed to prepare_enable the eclk [%d]\n", ret); + return; + } + + ret = clk_prepare_enable(ctx->vclk); + if (ret < 0) { + DRM_ERROR("Failed to prepare_enable the vclk [%d]\n", ret); + return; + } decon_init(ctx); |
