From: Harry Wentland <[email protected]>

This patchset enables support for the PQ_125 EOTF and its inverse
on all existing plane 1D curve colorops, i.e., on DEGAM, SHAPER,
and BLND blocks.

With this patchset the following IGT subtests are passing:
kms_colorop --run plane-XR30-XR30-pq_125_eotf
kms_colorop --run plane-XR30-XR30-pq_125_inv_eotf
kms_colorop --run plane-XR30-XR30-pq_125_eotf-pq_125_inv_eotf
kms_colorop --run plane-XR30-XR30-pq_125_eotf-pq_125_inv_eotf-pq_125_eotf

Signed-off-by: Alex Hung <[email protected]>
Signed-off-by: Harry Wentland <[email protected]>
Reviewed-by: Daniel Stone <[email protected]>
---
v10:
 - Move amdgpu_dm_supported_*_tfs check here from Patch 32 (Melissa Wen)

v8: 
 - Move BIT(DRM_COLOROP_1D_CURVE_PQ_125_EOTF) in amdgpu_dm_supported_blnd_tfs
   from "drm/amd/display: Add support for BT.709 and BT.2020 TFs" (Leo Li)

 .../amd/display/amdgpu_dm/amdgpu_dm_color.c   | 28 +++++++++++++------
 .../amd/display/amdgpu_dm/amdgpu_dm_colorop.c |  9 ++++--
 2 files changed, 25 insertions(+), 12 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c 
b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c
index 53e1469cb3b9..eb9b1b0d1025 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c
@@ -26,6 +26,7 @@
 #include "amdgpu.h"
 #include "amdgpu_mode.h"
 #include "amdgpu_dm.h"
+#include "amdgpu_dm_colorop.h"
 #include "dc.h"
 #include "modules/color/color_gamma.h"
 
@@ -674,6 +675,9 @@ amdgpu_colorop_tf_to_dc_tf(enum drm_colorop_curve_1d_type 
tf)
        case DRM_COLOROP_1D_CURVE_SRGB_EOTF:
        case DRM_COLOROP_1D_CURVE_SRGB_INV_EOTF:
                return TRANSFER_FUNCTION_SRGB;
+       case DRM_COLOROP_1D_CURVE_PQ_125_EOTF:
+       case DRM_COLOROP_1D_CURVE_PQ_125_INV_EOTF:
+               return TRANSFER_FUNCTION_PQ;
        default:
                return TRANSFER_FUNCTION_LINEAR;
        }
@@ -1197,8 +1201,10 @@ __set_colorop_in_tf_1d_curve(struct dc_plane_state 
*dc_plane_state,
        struct drm_colorop *colorop = colorop_state->colorop;
        struct drm_device *drm = colorop->dev;
 
-       if (colorop->type != DRM_COLOROP_1D_CURVE ||
-           colorop_state->curve_1d_type != DRM_COLOROP_1D_CURVE_SRGB_EOTF)
+       if (colorop->type != DRM_COLOROP_1D_CURVE)
+               return -EINVAL;
+
+       if (!(BIT(colorop_state->curve_1d_type) & 
amdgpu_dm_supported_degam_tfs))
                return -EINVAL;
 
        if (colorop_state->bypass) {
@@ -1230,7 +1236,7 @@ __set_dm_plane_colorop_degamma(struct drm_plane_state 
*plane_state,
        /* 1st op: 1d curve - degamma */
        for_each_new_colorop_in_state(state, colorop, new_colorop_state, i) {
                if (new_colorop_state->colorop == old_colorop &&
-                   new_colorop_state->curve_1d_type == 
DRM_COLOROP_1D_CURVE_SRGB_EOTF) {
+                   (BIT(new_colorop_state->curve_1d_type) & 
amdgpu_dm_supported_degam_tfs)) {
                        colorop_state = new_colorop_state;
                        break;
                }
@@ -1250,8 +1256,10 @@ __set_colorop_in_shaper_1d_curve(struct dc_plane_state 
*dc_plane_state,
        struct drm_colorop *colorop = colorop_state->colorop;
        struct drm_device *drm = colorop->dev;
 
-       if (colorop->type != DRM_COLOROP_1D_CURVE &&
-           colorop_state->curve_1d_type != DRM_COLOROP_1D_CURVE_SRGB_INV_EOTF)
+       if (colorop->type != DRM_COLOROP_1D_CURVE)
+               return -EINVAL;
+
+       if (!(BIT(colorop_state->curve_1d_type) & 
amdgpu_dm_supported_shaper_tfs))
                return -EINVAL;
 
        if (colorop_state->bypass) {
@@ -1287,7 +1295,7 @@ __set_dm_plane_colorop_shaper(struct drm_plane_state 
*plane_state,
        /* 2nd op: 1d curve - shaper */
        for_each_new_colorop_in_state(state, colorop, new_colorop_state, i) {
                if (new_colorop_state->colorop == old_colorop &&
-                   new_colorop_state->curve_1d_type == 
DRM_COLOROP_1D_CURVE_SRGB_INV_EOTF) {
+                   (BIT(new_colorop_state->curve_1d_type) & 
amdgpu_dm_supported_shaper_tfs)) {
                        colorop_state = new_colorop_state;
                        break;
                }
@@ -1316,8 +1324,10 @@ __set_colorop_1d_curve_blend_tf_lut(struct 
dc_plane_state *dc_plane_state,
        const struct drm_color_lut *blend_lut = NULL;
        uint32_t blend_size = 0;
 
-       if (colorop->type != DRM_COLOROP_1D_CURVE &&
-           colorop_state->curve_1d_type != DRM_COLOROP_1D_CURVE_SRGB_EOTF)
+       if (colorop->type != DRM_COLOROP_1D_CURVE)
+               return -EINVAL;
+
+       if (!(BIT(colorop_state->curve_1d_type) & amdgpu_dm_supported_blnd_tfs))
                return -EINVAL;
 
        if (colorop_state->bypass) {
@@ -1353,7 +1363,7 @@ __set_dm_plane_colorop_blend(struct drm_plane_state 
*plane_state,
        /* 3nd op: 1d curve - blend */
        for_each_new_colorop_in_state(state, colorop, new_colorop_state, i) {
                if (new_colorop_state->colorop == old_colorop &&
-                   new_colorop_state->curve_1d_type == 
DRM_COLOROP_1D_CURVE_SRGB_EOTF) {
+                   (BIT(new_colorop_state->curve_1d_type) & 
amdgpu_dm_supported_blnd_tfs)) {
                        colorop_state = new_colorop_state;
                        break;
                }
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_colorop.c 
b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_colorop.c
index e8ba66962ce4..f79b52ef7d5d 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_colorop.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_colorop.c
@@ -32,13 +32,16 @@
 #include "amdgpu_dm_colorop.h"
 
 const u64 amdgpu_dm_supported_degam_tfs =
-       BIT(DRM_COLOROP_1D_CURVE_SRGB_EOTF);
+       BIT(DRM_COLOROP_1D_CURVE_SRGB_EOTF) |
+       BIT(DRM_COLOROP_1D_CURVE_PQ_125_EOTF);
 
 const u64 amdgpu_dm_supported_shaper_tfs =
-       BIT(DRM_COLOROP_1D_CURVE_SRGB_INV_EOTF);
+       BIT(DRM_COLOROP_1D_CURVE_SRGB_INV_EOTF) |
+       BIT(DRM_COLOROP_1D_CURVE_PQ_125_INV_EOTF);
 
 const u64 amdgpu_dm_supported_blnd_tfs =
-       BIT(DRM_COLOROP_1D_CURVE_SRGB_EOTF);
+       BIT(DRM_COLOROP_1D_CURVE_SRGB_EOTF) |
+       BIT(DRM_COLOROP_1D_CURVE_PQ_125_EOTF);
 
 #define MAX_COLOR_PIPELINE_OPS 10
 
-- 
2.43.0

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