From f7ee16f12ee8a44ee2472f2967ca27768106e00f Mon Sep 17 00:00:00 2001 From: Ondrej Jirman Date: Mon, 28 Nov 2022 10:12:50 +0100 Subject: [PATCH 298/389] drm: rockchip: dw-mipi-dsi: Fix data rate calculation This results in selection of target_mbps=500 for Pinephone Pro MIPI-DSI LCD, which fixes display corruption with that panel. Signed-off-by: Ondrej Jirman --- drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c b/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c index f4df9820b295..c4a27838b3cb 100644 --- a/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c +++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi-rockchip.c @@ -575,7 +575,7 @@ dw_mipi_dsi_get_lane_mbps(void *priv_data, const struct drm_display_mode *mode, mpclk = DIV_ROUND_UP(mode->clock, MSEC_PER_SEC); if (mpclk) { /* take 1 / 0.8, since mbps must big than bandwidth of RGB */ - tmp = mpclk * (bpp / lanes) * 10 / 8; + tmp = mpclk * (bpp / lanes) * 10 / 9; if (tmp < max_mbps) target_mbps = tmp; else -- 2.35.3