[Intel-gfx] [PATCH] drm/i915/mtl: update DP 2.0 vswing table for C20 phy

[Kahola, Mika]

> -----Original Message-----
> From: Lee, Shawn C <shawn.c.lee at intel.com>
> Sent: Tuesday, June 6, 2023 1:43 PM
> To: intel-gfx at lists.freedesktop.org
> Cc: Lee, Shawn C <shawn.c.lee at intel.com>; Kahola, Mika <mika.kahola at intel.com>; Taylor, Clinton A
> <clinton.a.taylor at intel.com>; Sripada, Radhakrishna <radhakrishna.sripada at intel.com>; Shankar, Uma
> <uma.shankar at intel.com>
> Subject: [PATCH] drm/i915/mtl: update DP 2.0 vswing table for C20 phy
> 
> Update preset 15 setting to align the latest bspec value.
> 
> Bspec: 74104

Reviewed-by: Mika Kahola <mika.kahola at intel.com>

> Signed-off-by: Lee Shawn C <shawn.c.lee at intel.com>
> Cc: Mika Kahola <mika.kahola at intel.com>
> Cc: Clint Taylor <Clinton.A.Taylor at intel.com>
> Cc: Radhakrishna Sripada <radhakrishna.sripada at intel.com>
> Cc: Uma Shankar <uma.shankar at intel.com>
> ---
>  drivers/gpu/drm/i915/display/intel_ddi_buf_trans.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_ddi_buf_trans.c b/drivers/gpu/drm/i915/display/intel_ddi_buf_trans.c
> index 6a1507515119..2af91a06f5fe 100644
> --- a/drivers/gpu/drm/i915/display/intel_ddi_buf_trans.c
> +++ b/drivers/gpu/drm/i915/display/intel_ddi_buf_trans.c
> @@ -1086,7 +1086,7 @@ static const union intel_ddi_buf_trans_entry _mtl_c20_trans_uhbr[] = {
>  	{ .snps = { 37, 4, 7 } },       /* preset 12 */
>  	{ .snps = { 33, 4, 11 } },      /* preset 13 */
>  	{ .snps = { 40, 8, 0 } },	/* preset 14 */
> -	{ .snps = { 28, 2, 2 } },	/* preset 15 */
> +	{ .snps = { 30, 2, 2 } },	/* preset 15 */
>  };
> 
>  /* HDMI2.0 */
> --
> 2.31.1