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path: root/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c
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Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c')
-rw-r--r--drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c
index 27b62ef4f62d..3372ede2dc28 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c
@@ -27,6 +27,7 @@
#include "dcn32/dcn32_resource.h"
#include "dcn20/dcn20_resource.h"
#include "display_mode_vba_util_32.h"
+#include "dml/dcn32/display_mode_vba_32.h"
// We need this includes for WATERMARKS_* defines
#include "clk_mgr/dcn32/dcn32_smu13_driver_if.h"
#include "dcn30/dcn30_resource.h"
@@ -1618,6 +1619,7 @@ bool dcn32_internal_validate_bw(struct dc *dc,
}
dml_log_pipe_params(&context->bw_ctx.dml, pipes, pipe_cnt);
+ context->bw_ctx.dml.soc.max_vratio_pre = dcn32_determine_max_vratio_prefetch(dc, context);
if (!fast_validate)
dcn32_full_validate_bw_helper(dc, context, pipes, &vlevel, split, merge, &pipe_cnt);
@@ -2744,3 +2746,33 @@ bool dcn32_allow_subvp_with_active_margin(struct pipe_ctx *pipe)
}
return allow;
}
+
+/**
+ * *******************************************************************************************
+ * dcn32_determine_max_vratio_prefetch: Determine max Vratio for prefetch by driver policy
+ *
+ * @param [in]: dc: Current DC state
+ * @param [in]: context: New DC state to be programmed
+ *
+ * @return: Max vratio for prefetch
+ *
+ * *******************************************************************************************
+ */
+double dcn32_determine_max_vratio_prefetch(struct dc *dc, struct dc_state *context)
+{
+ double max_vratio_pre = __DML_MAX_BW_RATIO_PRE__; // Default value is 4
+ int i;
+
+ /* For single display MPO configs, allow the max vratio to be 8
+ * if any plane is YUV420 format
+ */
+ if (context->stream_count == 1 && context->stream_status[0].plane_count > 1) {
+ for (i = 0; i < context->stream_status[0].plane_count; i++) {
+ if (context->stream_status[0].plane_states[i]->format == SURFACE_PIXEL_FORMAT_VIDEO_420_YCbCr ||
+ context->stream_status[0].plane_states[i]->format == SURFACE_PIXEL_FORMAT_VIDEO_420_YCrCb) {
+ max_vratio_pre = __DML_MAX_VRATIO_PRE__;
+ }
+ }
+ }
+ return max_vratio_pre;
+}