drm/amd/display: Add missing DCE6 SCL_HORZ_FILTER_INIT* SRIs

Without these, it's impossible to program these registers.

Fixes: 102b2f5 ("drm/amd/display: dce_transform: DCE6 Scaling Horizontal Filter Init (v2)")
Reviewed-by: Alex Deucher <[email protected]>
Signed-off-by: Timur Kristóf <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

Author: Timur Kristóf

drivers/gpu/drm/amd/display/dc/dce/dce_transform.h

@@ -155,6 +155,8 @@
 	SRI(SCL_COEF_RAM_TAP_DATA, SCL, id), \
 	SRI(VIEWPORT_START, SCL, id), \
 	SRI(VIEWPORT_SIZE, SCL, id), \
+	SRI(SCL_HORZ_FILTER_INIT_RGB_LUMA, SCL, id), \
+	SRI(SCL_HORZ_FILTER_INIT_CHROMA, SCL, id), \
 	SRI(SCL_HORZ_FILTER_SCALE_RATIO, SCL, id), \
 	SRI(SCL_VERT_FILTER_SCALE_RATIO, SCL, id), \
 	SRI(SCL_VERT_FILTER_INIT, SCL, id), \