diff options
| author | Gustavo Padovan <gustavo.padovan@collabora.co.uk> | 2015-06-03 17:17:16 -0300 |
|---|---|---|
| committer | Inki Dae <daeinki@gmail.com> | 2015-06-20 00:32:54 +0900 |
| commit | 38000dbb71ded4121b27338a2d41ad060001592a (patch) | |
| tree | 8ecf65b65621b30664bbdb141ca6c25e657157e5 /drivers/gpu/drm/exynos/exynos_drm_fimd.c | |
| parent | 1e5507cecbf3fdb2bd7914b8ebc396ad23f3da67 (diff) | |
| download | linux-38000dbb71ded4121b27338a2d41ad060001592a.tar.bz2 | |
drm/exynos: add error messages if clks failed to get enabled
Check error and call DRM_ERROR if clk_prepare_enable() fails.
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_fimd.c')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_fimd.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c index 96618534358e..7c8ba614cd44 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c @@ -808,6 +808,7 @@ static void fimd_apply(struct fimd_context *ctx) static void fimd_enable(struct exynos_drm_crtc *crtc) { struct fimd_context *ctx = crtc->ctx; + int ret; if (!ctx->suspended) return; @@ -816,8 +817,17 @@ static void fimd_enable(struct exynos_drm_crtc *crtc) pm_runtime_get_sync(ctx->dev); - clk_prepare_enable(ctx->bus_clk); - clk_prepare_enable(ctx->lcd_clk); + ret = clk_prepare_enable(ctx->bus_clk); + if (ret < 0) { + DRM_ERROR("Failed to prepare_enable the bus clk [%d]\n", ret); + return; + } + + ret = clk_prepare_enable(ctx->lcd_clk); + if (ret < 0) { + DRM_ERROR("Failed to prepare_enable the lcd clk [%d]\n", ret); + return; + } /* if vblank was enabled status, enable it again. */ if (test_and_clear_bit(0, &ctx->irq_flags)) |