[PATCH 11/49] staging: hikey9xx/gpu: Add support 10.1 inch special HDMI displays.

[Mauro Carvalho Chehab]

From: Xiubin Zhang <zhangxiubin1 at huawei.com>

Adjust pixel clock for compatibility with 10.1 inch special displays.

Signed-off-by: Xiubin Zhang <zhangxiubin1 at huawei.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei at kernel.org>
---
 drivers/staging/hikey9xx/gpu/kirin_drm_dss.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/staging/hikey9xx/gpu/kirin_drm_dss.c b/drivers/staging/hikey9xx/gpu/kirin_drm_dss.c
index 11d847e2da3d..693f5499c8d0 100644
--- a/drivers/staging/hikey9xx/gpu/kirin_drm_dss.c
+++ b/drivers/staging/hikey9xx/gpu/kirin_drm_dss.c
@@ -270,6 +270,10 @@ static void dss_ldi_set_mode(struct dss_crtc *acrtc)
 		else
 			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);
 		hdmi_pxl_ppll7_init(ctx, clk_Hz);
 		adj_mode->clock = clk_Hz / 1000;
-- 
2.26.2