[Intel-gfx] [PATCH] drm/i915/dgfx: DGFX uses direct VBT pin mapping

[Lucas De Marchi]

On Fri, Feb 03, 2023 at 03:20:20PM -0800, Clint Taylor wrote:
>DDC pin mapping for DGFX cards uses direct VBT pin mapping
>
>Cc: Lucas De Marchi <lucas.demarchi at intel.com>
>Cc: Matt Roper <matthew.d.roper at intel.com>
>Signed-off-by: Clint Taylor <clinton.a.taylor at intel.com>


Reviewed-by: Lucas De Marchi <lucas.demarchi at intel.com>

Lucas De Marchi

>---
> drivers/gpu/drm/i915/display/intel_bios.c | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
>diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c
>index e6ca51232dcf..c1fcf4d53471 100644
>--- a/drivers/gpu/drm/i915/display/intel_bios.c
>+++ b/drivers/gpu/drm/i915/display/intel_bios.c
>@@ -2189,14 +2189,15 @@ static u8 map_ddc_pin(struct drm_i915_private *i915, u8 vbt_pin)
> 	const u8 *ddc_pin_map;
> 	int n_entries;
>
>+	if (IS_DGFX(i915))
>+		return vbt_pin;
>+
> 	if (HAS_PCH_MTP(i915) || IS_ALDERLAKE_P(i915)) {
> 		ddc_pin_map = adlp_ddc_pin_map;
> 		n_entries = ARRAY_SIZE(adlp_ddc_pin_map);
> 	} else if (IS_ALDERLAKE_S(i915)) {
> 		ddc_pin_map = adls_ddc_pin_map;
> 		n_entries = ARRAY_SIZE(adls_ddc_pin_map);
>-	} else if (INTEL_PCH_TYPE(i915) >= PCH_DG1) {
>-		return vbt_pin;
> 	} else if (IS_ROCKETLAKE(i915) && INTEL_PCH_TYPE(i915) == PCH_TGP) {
> 		ddc_pin_map = rkl_pch_tgp_ddc_pin_map;
> 		n_entries = ARRAY_SIZE(rkl_pch_tgp_ddc_pin_map);
>-- 
>2.25.1
>