[PATCH] drm/amd/display: Use mpc.preblend flag to indicate 3D LUT

[Alex Hung]

[WHAT]
New ASIC's 3D LUT is indicated by mpc.preblend.

Fixes: 0de2b1afea8d ("drm/amd/display: add 3D LUT colorop")
Signed-off-by: Alex Hung <alex.h...@amd.com>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c   | 6 ++++--
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_colorop.c | 3 ++-
 2 files changed, 6 insertions(+), 3 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 2ba98f384685..cd1e58b8defc 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
@@ -1706,6 +1706,7 @@ __set_dm_plane_colorop_3dlut(struct drm_plane_state 
*plane_state,
        struct dc_transfer_func *tf = &dc_plane_state->in_shaper_func;
        struct drm_atomic_state *state = plane_state->state;
        const struct amdgpu_device *adev = drm_to_adev(colorop->dev);
+       bool has_3dlut = adev->dm.dc->caps.color.dpp.hw_3d_lut || 
adev->dm.dc->caps.color.mpc.preblend;
        const struct drm_device *dev = colorop->dev;
        const struct drm_color_lut32 *lut3d;
        uint32_t lut3d_size;
@@ -1722,7 +1723,7 @@ __set_dm_plane_colorop_3dlut(struct drm_plane_state 
*plane_state,
        }
 
        if (colorop_state && !colorop_state->bypass && colorop->type == 
DRM_COLOROP_3D_LUT) {
-               if (!adev->dm.dc->caps.color.dpp.hw_3d_lut) {
+               if (!has_3dlut) {
                        drm_dbg(dev, "3D LUT is not supported by hardware\n");
                        return -EINVAL;
                }
@@ -1875,6 +1876,7 @@ amdgpu_dm_plane_set_colorop_properties(struct 
drm_plane_state *plane_state,
        struct drm_colorop *colorop = plane_state->color_pipeline;
        struct drm_device *dev = plane_state->plane->dev;
        struct amdgpu_device *adev = drm_to_adev(dev);
+       bool has_3dlut = adev->dm.dc->caps.color.dpp.hw_3d_lut || 
adev->dm.dc->caps.color.mpc.preblend;
        int ret;
 
        /* 1D Curve - DEGAM TF */
@@ -1907,7 +1909,7 @@ amdgpu_dm_plane_set_colorop_properties(struct 
drm_plane_state *plane_state,
        if (ret)
                return ret;
 
-       if (adev->dm.dc->caps.color.dpp.hw_3d_lut) {
+       if (has_3dlut) {
                /* 1D Curve & LUT - SHAPER TF & LUT */
                colorop = colorop->next;
                if (!colorop) {
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 f25c0ede7199..d59ba82d3d7c 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
@@ -60,6 +60,7 @@ int amdgpu_dm_initialize_default_pipeline(struct drm_plane 
*plane, struct drm_pr
        struct drm_colorop *ops[MAX_COLOR_PIPELINE_OPS];
        struct drm_device *dev = plane->dev;
        struct amdgpu_device *adev = drm_to_adev(dev);
+       bool has_3dlut = adev->dm.dc->caps.color.dpp.hw_3d_lut || 
adev->dm.dc->caps.color.mpc.preblend;
        int ret;
        int i = 0;
 
@@ -112,7 +113,7 @@ int amdgpu_dm_initialize_default_pipeline(struct drm_plane 
*plane, struct drm_pr
 
        i++;
 
-       if (adev->dm.dc->caps.color.dpp.hw_3d_lut) {
+       if (has_3dlut) {
                /* 1D curve - SHAPER TF */
                ops[i] = kzalloc_obj(*ops[0]);
                if (!ops[i]) {
-- 
2.43.0