[PATCH v4 22/32] drm/amd/display: add HDR multiplier support

[Melissa Wen]

From: Joshua Ashton <jos...@froggi.es>

With `dc_fixpt_from_s3132()` translation, we can just use it to set
hdr_mult.

Reviewed-by: Harry Wentland <harry.wentl...@amd.com>
Signed-off-by: Joshua Ashton <jos...@froggi.es>
Signed-off-by: Melissa Wen <m...@igalia.com>
---
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c       | 1 +
 drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_color.c | 3 +++
 2 files changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c 
b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index a8a1690b7322..ded52dd780c8 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -8286,6 +8286,7 @@ static void amdgpu_dm_commit_planes(struct 
drm_atomic_state *state,
                        bundle->surface_updates[planes_count].gamma = 
dc_plane->gamma_correction;
                        bundle->surface_updates[planes_count].in_transfer_func 
= dc_plane->in_transfer_func;
                        
bundle->surface_updates[planes_count].gamut_remap_matrix = 
&dc_plane->gamut_remap_matrix;
+                       bundle->surface_updates[planes_count].hdr_mult = 
dc_plane->hdr_mult;
                }
 
                amdgpu_dm_plane_fill_dc_scaling_info(dm->adev, new_plane_state,
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 599bba566226..849e07dd436a 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
@@ -926,6 +926,7 @@ int amdgpu_dm_update_plane_color_mgmt(struct dm_crtc_state 
*crtc,
                                      struct drm_plane_state *plane_state,
                                      struct dc_plane_state *dc_plane_state)
 {
+       struct dm_plane_state *dm_plane_state = to_dm_plane_state(plane_state);
        bool has_crtc_cm_degamma;
        int ret;
 
@@ -936,6 +937,8 @@ int amdgpu_dm_update_plane_color_mgmt(struct dm_crtc_state 
*crtc,
        /* After, we start to update values according to color props */
        has_crtc_cm_degamma = (crtc->cm_has_degamma || 
crtc->cm_is_degamma_srgb);
 
+       dc_plane_state->hdr_mult = 
dc_fixpt_from_s3132(dm_plane_state->hdr_mult);
+
        ret = __set_dm_plane_degamma(plane_state, dc_plane_state);
        if (ret == -ENOMEM)
                return ret;
-- 
2.40.1