diff options
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_fimd.c')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_fimd.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c index cec508f9a335..3efe1aa89416 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c @@ -397,9 +397,16 @@ static void fimd_clear_channels(struct exynos_drm_crtc *crtc) static u32 fimd_calc_clkdiv(struct fimd_context *ctx, const struct drm_display_mode *mode) { - unsigned long ideal_clk = mode->htotal * mode->vtotal * mode->vrefresh; + unsigned long ideal_clk; u32 clkdiv; + if (mode->clock == 0) { + DRM_ERROR("Mode has zero clock value.\n"); + return 0xff; + } + + ideal_clk = mode->clock * 1000; + if (ctx->i80_if) { /* * The frame done interrupt should be occurred prior to the |