diff options
Diffstat (limited to 'drivers/media/v4l2-core/v4l2-dv-timings.c')
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-dv-timings.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/media/v4l2-core/v4l2-dv-timings.c b/drivers/media/v4l2-core/v4l2-dv-timings.c index 5792192bce6c..89866100a74a 100644 --- a/drivers/media/v4l2-core/v4l2-dv-timings.c +++ b/drivers/media/v4l2-core/v4l2-dv-timings.c @@ -561,20 +561,22 @@ bool v4l2_detect_gtf(unsigned frame_height, num = ((image_width * GTF_D_C_PRIME * (u64)hfreq) - ((u64)image_width * GTF_D_M_PRIME * 1000)); - den = hfreq * (100 - GTF_D_C_PRIME) + GTF_D_M_PRIME * 1000; + den = (hfreq * (100 - GTF_D_C_PRIME) + GTF_D_M_PRIME * 1000) * + (2 * GTF_CELL_GRAN); h_blank = div_u64((num + (den >> 1)), den); + h_blank *= (2 * GTF_CELL_GRAN); } else { u64 num; u32 den; num = ((image_width * GTF_S_C_PRIME * (u64)hfreq) - ((u64)image_width * GTF_S_M_PRIME * 1000)); - den = hfreq * (100 - GTF_S_C_PRIME) + GTF_S_M_PRIME * 1000; + den = (hfreq * (100 - GTF_S_C_PRIME) + GTF_S_M_PRIME * 1000) * + (2 * GTF_CELL_GRAN); h_blank = div_u64((num + (den >> 1)), den); + h_blank *= (2 * GTF_CELL_GRAN); } - h_blank = ((h_blank + GTF_CELL_GRAN) / (2 * GTF_CELL_GRAN)) * - (2 * GTF_CELL_GRAN); frame_width = image_width + h_blank; pix_clk = (image_width + h_blank) * hfreq; |