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drivers/DRM:Support 10.1 inch special HDMI displays.

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Adjust pixel clock for compatibility with 10.1 inch special displays.

Signed-off-by: Xiubin Zhang <zhangxiubin1@huawei.com>
This commit is contained in:
Xiubin Zhang
2018-05-25 14:21:19 +08:00
committed by Guodong Xu
parent ade06f4298
commit 1f8c6de4da
1 changed files with 4 additions and 0 deletions
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drivers/gpu/drm/hisilicon/kirin9xx/kirin_drm_dss.c
+4
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@@ -271,6 +271,10 @@ static void dss_ldi_set_mode(struct dss_crtc *acrtc)
else else
clk_Hz = mode->clock * 1000UL; clk_Hz = mode->clock * 1000UL;
/* Adjust pixel clock for compatibility with 10.1 inch special displays. */
if (mode->clock == 148500 && mode->width_mm == 532 && mode->height_mm == 299)
clk_Hz = 152000 * 1000UL;
DRM_INFO("HDMI real need clock = %llu \n", clk_Hz); DRM_INFO("HDMI real need clock = %llu \n", clk_Hz);
hdmi_pxl_ppll7_init(ctx, clk_Hz); hdmi_pxl_ppll7_init(ctx, clk_Hz);
adj_mode->clock = clk_Hz / 1000; adj_mode->clock = clk_Hz / 1000;