drm/amd/display: Make create_stream_for_sink more consistent

We've got a helper function to call dc_create_stream_for_sink and one
other place that calls it directly. Make sure we call the helper
functions always since we need to update a bunch of things in stream and
don't want to miss that.

Signed-off-by: Harry Wentland <harry.wentland@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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 e635db8..ce541f5 100644 (file)
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -2016,30 +2016,32 @@ static void update_stream_scaling_settings(const struct drm_display_mode *mode,
        dst.width = stream->timing.h_addressable;
        dst.height = stream->timing.v_addressable;
 
-       rmx_type = dm_state->scaling;
-       if (rmx_type == RMX_ASPECT || rmx_type == RMX_OFF) {
-               if (src.width * dst.height <
-                               src.height * dst.width) {
-                       /* height needs less upscaling/more downscaling */
-                       dst.width = src.width *
-                                       dst.height / src.height;
-               } else {
-                       /* width needs less upscaling/more downscaling */
-                       dst.height = src.height *
-                                       dst.width / src.width;
+       if (dm_state) {
+               rmx_type = dm_state->scaling;
+               if (rmx_type == RMX_ASPECT || rmx_type == RMX_OFF) {
+                       if (src.width * dst.height <
+                                       src.height * dst.width) {
+                               /* height needs less upscaling/more downscaling */
+                               dst.width = src.width *
+                                               dst.height / src.height;
+                       } else {
+                               /* width needs less upscaling/more downscaling */
+                               dst.height = src.height *
+                                               dst.width / src.width;
+                       }
+               } else if (rmx_type == RMX_CENTER) {
+                       dst = src;
                }
-       } else if (rmx_type == RMX_CENTER) {
-               dst = src;
-       }
 
-       dst.x = (stream->timing.h_addressable - dst.width) / 2;
-       dst.y = (stream->timing.v_addressable - dst.height) / 2;
+               dst.x = (stream->timing.h_addressable - dst.width) / 2;
+               dst.y = (stream->timing.v_addressable - dst.height) / 2;
 
-       if (dm_state->underscan_enable) {
-               dst.x += dm_state->underscan_hborder / 2;
-               dst.y += dm_state->underscan_vborder / 2;
-               dst.width -= dm_state->underscan_hborder;
-               dst.height -= dm_state->underscan_vborder;
+               if (dm_state->underscan_enable) {
+                       dst.x += dm_state->underscan_hborder / 2;
+                       dst.y += dm_state->underscan_vborder / 2;
+                       dst.width -= dm_state->underscan_hborder;
+                       dst.height -= dm_state->underscan_vborder;
+               }
        }
 
        stream->src = src;
@@ -2367,11 +2369,6 @@ create_stream_for_sink(struct amdgpu_dm_connector *aconnector,
                return stream;
        }
 
-       if (dm_state == NULL) {
-               DRM_ERROR("dm_state is NULL!\n");
-               return stream;
-       }
-
        drm_connector = &aconnector->base;
 
        if (!aconnector->dc_sink) {
@@ -2418,7 +2415,7 @@ create_stream_for_sink(struct amdgpu_dm_connector *aconnector,
        } else {
                decide_crtc_timing_for_drm_display_mode(
                                &mode, preferred_mode,
-                               dm_state->scaling != RMX_OFF);
+                               dm_state ? (dm_state->scaling != RMX_OFF) : false);
        }
 
        fill_stream_properties_from_drm_display_mode(stream,
@@ -2800,7 +2797,7 @@ int amdgpu_dm_connector_mode_valid(struct drm_connector *connector,
                goto fail;
        }
 
-       stream = dc_create_stream_for_sink(dc_sink);
+       stream = create_stream_for_sink(aconnector, mode, NULL);
        if (stream == NULL) {
                DRM_ERROR("Failed to create stream for sink!\n");
                goto fail;