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