[Intel-gfx] [PATCH 2/3] drm/i915/display/dsi: Add support to pipe D

[Lucas De Marchi]

On Thu, Nov 07, 2019 at 01:45:58PM -0800, Jose Souza wrote:
>Adding pipe D support to DSI transcoder.
>Not adding it for EDP transcoder code paths as only TGL has 4 pipes
>and it do not have a EDP transcoder.
>
>Cc: Lucas De Marchi <lucas.demarchi at intel.com>
>Signed-off-by: José Roberto de Souza <jose.souza at intel.com>

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

Lucas De Marchi

>---
> drivers/gpu/drm/i915/display/icl_dsi.c | 6 ++++++
> drivers/gpu/drm/i915/i915_reg.h        | 1 +
> 2 files changed, 7 insertions(+)
>
>diff --git a/drivers/gpu/drm/i915/display/icl_dsi.c b/drivers/gpu/drm/i915/display/icl_dsi.c
>index 8eb2d7f29c82..f688207932e0 100644
>--- a/drivers/gpu/drm/i915/display/icl_dsi.c
>+++ b/drivers/gpu/drm/i915/display/icl_dsi.c
>@@ -745,6 +745,9 @@ gen11_dsi_configure_transcoder(struct intel_encoder *encoder,
> 		case PIPE_C:
> 			tmp |= TRANS_DDI_EDP_INPUT_C_ONOFF;
> 			break;
>+		case PIPE_D:
>+			tmp |= TRANS_DDI_EDP_INPUT_D_ONOFF;
>+			break;
> 		}
>
> 		/* enable DDI buffer */
>@@ -1325,6 +1328,9 @@ static bool gen11_dsi_get_hw_state(struct intel_encoder *encoder,
> 		case TRANS_DDI_EDP_INPUT_C_ONOFF:
> 			*pipe = PIPE_C;
> 			break;
>+		case TRANS_DDI_EDP_INPUT_D_ONOFF:
>+			*pipe = PIPE_D;
>+			break;
> 		default:
> 			DRM_ERROR("Invalid PIPE input\n");
> 			goto out;
>diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
>index 70459a3d93e3..88d1430a6800 100644
>--- a/drivers/gpu/drm/i915/i915_reg.h
>+++ b/drivers/gpu/drm/i915/i915_reg.h
>@@ -9665,6 +9665,7 @@ enum skl_power_gate {
> #define  TRANS_DDI_EDP_INPUT_A_ONOFF	(4 << 12)
> #define  TRANS_DDI_EDP_INPUT_B_ONOFF	(5 << 12)
> #define  TRANS_DDI_EDP_INPUT_C_ONOFF	(6 << 12)
>+#define  TRANS_DDI_EDP_INPUT_D_ONOFF	(7 << 12)
> #define  TRANS_DDI_MST_TRANSPORT_SELECT_MASK	REG_GENMASK(11, 10)
> #define  TRANS_DDI_MST_TRANSPORT_SELECT(trans)	\
> 	REG_FIELD_PREP(TRANS_DDI_MST_TRANSPORT_SELECT_MASK, trans)
>-- 
>2.24.0
>
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