Re: [RESEND PATCH] drm/tilcdc: fix raster control register setting

From: Jyri Sarha
Date: Thu Feb 18 2021 - 13:30:41 EST


On 2021-02-16 22:22, Dario Binacchi wrote:
The fdd property of the tilcdc_panel_info structure must set the reqdly
bit field (bit 12 to 19) of the raster control register. The previous
statement set the least significant bit instead.

Signed-off-by: Dario Binacchi <dariobin@xxxxxxxxx>

Reviewed-by: Jyri Sarha <jyri.sarha@xxxxxx>
Tested-by: Jyri Sarha <jyri.sarha@xxxxxx>

Thanks for a good catch. I'll merge to this drm-misc-next soon.

Best regards,
Jyri


---

drivers/gpu/drm/tilcdc/tilcdc_crtc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
index 30213708fc99..238068e28729 100644
--- a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
+++ b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c
@@ -393,7 +393,7 @@ static void tilcdc_crtc_set_mode(struct drm_crtc *crtc)
return;
}
}
- reg |= info->fdd < 12;
+ reg |= info->fdd << 12;
tilcdc_write(dev, LCDC_RASTER_CTRL_REG, reg);

if (info->invert_pxl_clk)