[Intel-gfx] [PATCH] drm/i915/tgl: Update TC DP vswing table

Almahallawy, Khaled khaled.almahallawy at intel.com
Sat May 30 01:02:44 UTC 2020


On Fri, 2020-05-29 at 16:27 -0700, José Roberto de Souza wrote:
> Small updates in dkl_de_emphasis_control field.
> 
> BSpec: 49292
> Signed-off-by: José Roberto de Souza <jose.souza at intel.com>
> ---
>  drivers/gpu/drm/i915/display/intel_ddi.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c
> b/drivers/gpu/drm/i915/display/intel_ddi.c
> index aa22465bb56e..cd211f48c401 100644
> --- a/drivers/gpu/drm/i915/display/intel_ddi.c
> +++ b/drivers/gpu/drm/i915/display/intel_ddi.c
> @@ -639,11 +639,11 @@ struct tgl_dkl_phy_ddi_buf_trans {
>  static const struct tgl_dkl_phy_ddi_buf_trans
> tgl_dkl_phy_dp_ddi_trans[] = {
>  				/* VS	pre-emp	Non-trans mV	Pre-
> emph dB */
>  	{ 0x7, 0x0, 0x00 },	/* 0	0	400mV		0 dB
> */
> -	{ 0x5, 0x0, 0x03 },	/* 0	1	400mV		3.5
> dB */
> -	{ 0x2, 0x0, 0x0b },	/* 0	2	400mV		6 dB
> */
> +	{ 0x5, 0x0, 0x05 },	/* 0	1	400mV		3.5
> dB */
> +	{ 0x2, 0x0, 0x0B },	/* 0	2	400mV		6 dB
> */
>  	{ 0x0, 0x0, 0x19 },	/* 0	3	400mV		9.5
> dB */
>  	{ 0x5, 0x0, 0x00 },	/* 1	0	600mV		0 dB
> */
> -	{ 0x2, 0x0, 0x03 },	/* 1	1	600mV		3.5
> dB */
> +	{ 0x2, 0x0, 0x08 },	/* 1	1	600mV		3.5
> dB */
>  	{ 0x0, 0x0, 0x14 },	/* 1	2	600mV		6 dB
> */
>  	{ 0x2, 0x0, 0x00 },	/* 2	0	800mV		0 dB
> */
>  	{ 0x0, 0x0, 0x0B },	/* 2	1	800mV		3.5
> dB */

Reviewed-by: Khaled Almahallawy <khaled.almahallawy at intel.com>

Thanks
Khaled


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