Commit db2bad93 authored by Alex Hung's avatar Alex Hung Committed by Simon Ser
Browse files

drm/amd/display: Enable support for Gamma 2.2 



This patchset enables support for the Gamma 2.2.

With this patch the following IGT subtests pass:

kms_colorop --run plane-XR30-XR30-gamma_2_2

kms_colorop --run plane-XR30-XR30-gamma_2_2_inv-gamma_2_2

kms_colorop --run plane-XR30-XR30-gamma_2_2_inv-gamma_2_2-gamma_2_2_inv

Reviewed-by: default avatarHarry Wentland <harry.wentland@amd.com>
Signed-off-by: default avatarAlex Hung <alex.hung@amd.com>
Signed-off-by: default avatarSimon Ser <contact@emersion.fr>
Link: https://patch.msgid.link/20251115000237.3561250-52-alex.hung@amd.com
parent 8e304a45

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c

+3 −0
Original line number Diff line number Diff line
@@ -890,6 +890,9 @@ amdgpu_colorop_tf_to_dc_tf(enum drm_colorop_curve_1d_type tf) 
	case DRM_COLOROP_1D_CURVE_BT2020_INV_OETF:

	case DRM_COLOROP_1D_CURVE_BT2020_OETF:

		return TRANSFER_FUNCTION_BT709;

	case DRM_COLOROP_1D_CURVE_GAMMA22:

	case DRM_COLOROP_1D_CURVE_GAMMA22_INV:

		return TRANSFER_FUNCTION_GAMMA22;

	default:

		return TRANSFER_FUNCTION_LINEAR;

	}

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_colorop.c

+6 −3
Original line number Diff line number Diff line
@@ -36,17 +36,20 @@ 
const u64 amdgpu_dm_supported_degam_tfs =

	BIT(DRM_COLOROP_1D_CURVE_SRGB_EOTF) |

	BIT(DRM_COLOROP_1D_CURVE_PQ_125_EOTF) |

	BIT(DRM_COLOROP_1D_CURVE_BT2020_INV_OETF);

	BIT(DRM_COLOROP_1D_CURVE_BT2020_INV_OETF) |

	BIT(DRM_COLOROP_1D_CURVE_GAMMA22_INV);



const u64 amdgpu_dm_supported_shaper_tfs =

	BIT(DRM_COLOROP_1D_CURVE_SRGB_INV_EOTF) |

	BIT(DRM_COLOROP_1D_CURVE_PQ_125_INV_EOTF) |

	BIT(DRM_COLOROP_1D_CURVE_BT2020_OETF);

	BIT(DRM_COLOROP_1D_CURVE_BT2020_OETF) |

	BIT(DRM_COLOROP_1D_CURVE_GAMMA22);



const u64 amdgpu_dm_supported_blnd_tfs =

	BIT(DRM_COLOROP_1D_CURVE_SRGB_EOTF) |

	BIT(DRM_COLOROP_1D_CURVE_PQ_125_EOTF) |

	BIT(DRM_COLOROP_1D_CURVE_BT2020_INV_OETF);

	BIT(DRM_COLOROP_1D_CURVE_BT2020_INV_OETF) |

	BIT(DRM_COLOROP_1D_CURVE_GAMMA22_INV);



#define MAX_COLOR_PIPELINE_OPS 10