diff options
| -rw-r--r-- | drivers/gpu/drm/bridge/tc358767.c | 21 |
1 files changed, 1 insertions, 20 deletions
diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c index a10f4c21337e..0338b7a7bbef 100644 --- a/drivers/gpu/drm/bridge/tc358767.c +++ b/drivers/gpu/drm/bridge/tc358767.c @@ -382,9 +382,6 @@ struct tc_data { /* HPD pin number (0 or 1) or -ENODEV */ int hpd_pin; - - /* Number of pixels to subtract from a line due to pixel clock delta */ - u32 line_pixel_subtract; }; static inline struct tc_data *aux_to_tc(struct drm_dp_aux *a) @@ -580,11 +577,6 @@ static int tc_pllupdate(struct tc_data *tc, unsigned int pllctrl) return 0; } -static u32 div64_round_up(u64 v, u32 d) -{ - return div_u64(v + d - 1, d); -} - static int tc_pxl_pll_calc(struct tc_data *tc, u32 refclk, u32 pixelclock, int *out_best_pixelclock, u32 *out_pxl_pllparam) { @@ -666,11 +658,7 @@ static int tc_pxl_pll_calc(struct tc_data *tc, u32 refclk, u32 pixelclock, return -EINVAL; } - tc->line_pixel_subtract = tc->mode.htotal - - div64_round_up(tc->mode.htotal * (u64)best_pixelclock, pixelclock); - - dev_dbg(tc->dev, "PLL: got %d, delta %d (subtract %d px)\n", best_pixelclock, - best_delta, tc->line_pixel_subtract); + dev_dbg(tc->dev, "PLL: got %d, delta %d\n", best_pixelclock, best_delta); dev_dbg(tc->dev, "PLL: %d / %d / %d * %d / %d\n", refclk, ext_div[best_pre], best_div, best_mul, ext_div[best_post]); @@ -914,13 +902,6 @@ static int tc_set_common_video_mode(struct tc_data *tc, upper_margin, lower_margin, vsync_len); dev_dbg(tc->dev, "total: %dx%d\n", mode->htotal, mode->vtotal); - if (right_margin > tc->line_pixel_subtract) { - right_margin -= tc->line_pixel_subtract; - } else { - dev_err(tc->dev, "Bridge pixel clock too slow for mode\n"); - right_margin = 0; - } - /* * LCD Ctl Frame Size * datasheet is not clear of vsdelay in case of DPI |