drm/amd/display: Return UPDATE_TYPE_FULL on writeback update

Should do full update when display writeback is updated.

Signed-off-by: Charlene Liu <charlene.liu@amd.com>
Reviewed-by: Duke Du <Duke.Du@amd.com>
Acked-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index fd95515..8cecd58 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -1516,6 +1516,11 @@ static enum surface_update_type check_update_surfaces_for_stream(
 
                if (stream_update->dpms_off)
                        return UPDATE_TYPE_FULL;
+
+#if defined(CONFIG_DRM_AMD_DC_DCN2_0)
+               if (stream_update->wb_update)
+                       return UPDATE_TYPE_FULL;
+#endif
        }
 
        for (i = 0 ; i < surface_count; i++) {

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
index 3787398..30a25e6 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_stream.c
@@ -373,6 +373,7 @@ bool dc_stream_add_writeback(struct dc *dc,
 {
        bool isDrc = false;
        int i = 0;
+       struct dwbc *dwb;
 
        if (stream == NULL) {
                dm_error("DC: dc_stream is NULL!\n");
@@ -391,7 +392,8 @@ bool dc_stream_add_writeback(struct dc *dc,
 
        wb_info->dwb_params.out_transfer_func = stream->out_transfer_func;
 
-
+       dwb = dc->res_pool->dwbc[wb_info->dwb_pipe_inst];
+       dwb->dwb_is_drc = false;
 
        /* recalculate and apply DML parameters */
 

diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/dwb.h b/drivers/gpu/drm/amd/display/dc/inc/hw/dwb.h
index d4ae6ea..0ac21fa 100644 (file)
--- a/drivers/gpu/drm/amd/display/dc/inc/hw/dwb.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw/dwb.h
@@ -127,6 +127,7 @@ struct dwbc {
        enum dc_transfer_func_predefined tf;
        enum dc_color_space output_color_space;
        bool dwb_is_efc_transition;
+       bool dwb_is_drc;
        int wb_src_plane_inst;/*hubp, mpcc, inst*/
        bool update_privacymask;
        uint32_t mask_id;