drm/amd/display: Move phanton stream to FPU code

This commit moves phanton FPU stream to dcn32_fpu file.

Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: Harry Wentland <Harry.Wentland@amd.com>
Signed-off-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

3 files changed, 94 insertions, 87 deletions

diff --git a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c
index d52192ab9421..aee66c9ffcb0 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c
@@ -1830,93 +1830,6 @@ static void dcn32_enable_phantom_plane(struct dc *dc,
 	}
 }
 
-/**
- * ***************************************************************************************
- * dcn32_set_phantom_stream_timing: Set timing params for the phantom stream
- *
- * Set timing params of the phantom stream based on calculated output from DML.
- * This function first gets the DML pipe index using the DC pipe index, then
- * calls into DML (get_subviewport_lines_needed_in_mall) to get the number of
- * lines required for SubVP MCLK switching and assigns to the phantom stream
- * accordingly.
- *
- * - The number of SubVP lines calculated in DML does not take into account
- * FW processing delays and required pstate allow width, so we must include
- * that separately.
- *
- * - Set phantom backporch = vstartup of main pipe
- *
- * @param [in] dc: current dc state
- * @param [in] context: new dc state
- * @param [in] ref_pipe: Main pipe for the phantom stream
- * @param [in] pipes: DML pipe params
- * @param [in] pipe_cnt: number of DML pipes
- * @param [in] dc_pipe_idx: DC pipe index for the main pipe (i.e. ref_pipe)
- *
- * @return: void
- *
- * ***************************************************************************************
- */
-static void dcn32_set_phantom_stream_timing(struct dc *dc,
-		struct dc_state *context,
-		struct pipe_ctx *ref_pipe,
-		struct dc_stream_state *phantom_stream,
-		display_e2e_pipe_params_st *pipes,
-		unsigned int pipe_cnt,
-		unsigned int dc_pipe_idx)
-{
-	unsigned int i, pipe_idx;
-	struct pipe_ctx *pipe;
-	uint32_t phantom_vactive, phantom_bp, pstate_width_fw_delay_lines;
-	unsigned int vlevel = context->bw_ctx.dml.vba.VoltageLevel;
-	unsigned int dcfclk = context->bw_ctx.dml.vba.DCFCLKState[vlevel][context->bw_ctx.dml.vba.maxMpcComb];
-	unsigned int socclk = context->bw_ctx.dml.vba.SOCCLKPerState[vlevel];
-
-	// Find DML pipe index (pipe_idx) using dc_pipe_idx
-	for (i = 0, pipe_idx = 0; i < dc->res_pool->pipe_count; i++) {
-		pipe = &context->res_ctx.pipe_ctx[i];
-
-		if (!pipe->stream)
-			continue;
-
-		if (i == dc_pipe_idx)
-			break;
-
-		pipe_idx++;
-	}
-
-	// Calculate lines required for pstate allow width and FW processing delays
-	pstate_width_fw_delay_lines = ((double)(dc->caps.subvp_fw_processing_delay_us +
-			dc->caps.subvp_pstate_allow_width_us) / 1000000) *
-			(ref_pipe->stream->timing.pix_clk_100hz * 100) /
-			(double)ref_pipe->stream->timing.h_total;
-
-	// Update clks_cfg for calling into recalculate
-	pipes[0].clks_cfg.voltage = vlevel;
-	pipes[0].clks_cfg.dcfclk_mhz = dcfclk;
-	pipes[0].clks_cfg.socclk_mhz = socclk;
-
-	// DML calculation for MALL region doesn't take into account FW delay
-	// and required pstate allow width for multi-display cases
-	phantom_vactive = get_subviewport_lines_needed_in_mall(&context->bw_ctx.dml, pipes, pipe_cnt, pipe_idx) +
-				pstate_width_fw_delay_lines;
-
-	// For backporch of phantom pipe, use vstartup of the main pipe
-	phantom_bp = get_vstartup(&context->bw_ctx.dml, pipes, pipe_cnt, pipe_idx);
-
-	phantom_stream->dst.y = 0;
-	phantom_stream->dst.height = phantom_vactive;
-	phantom_stream->src.y = 0;
-	phantom_stream->src.height = phantom_vactive;
-
-	phantom_stream->timing.v_addressable = phantom_vactive;
-	phantom_stream->timing.v_front_porch = 1;
-	phantom_stream->timing.v_total = phantom_stream->timing.v_addressable +
-						phantom_stream->timing.v_front_porch +
-						phantom_stream->timing.v_sync_width +
-						phantom_bp;
-}
-
 static struct dc_stream_state *dcn32_enable_phantom_stream(struct dc *dc,
 		struct dc_state *context,
 		display_e2e_pipe_params_st *pipes,
@@ -1938,7 +1851,9 @@ static struct dc_stream_state *dcn32_enable_phantom_stream(struct dc *dc,
 	memcpy(&phantom_stream->timing, &ref_pipe->stream->timing, sizeof(phantom_stream->timing));
 	memcpy(&phantom_stream->src, &ref_pipe->stream->src, sizeof(phantom_stream->src));
 	memcpy(&phantom_stream->dst, &ref_pipe->stream->dst, sizeof(phantom_stream->dst));
+	DC_FP_START();
 	dcn32_set_phantom_stream_timing(dc, context, ref_pipe, phantom_stream, pipes, pipe_cnt, dc_pipe_idx);
+	DC_FP_END();
 
 	dc_add_stream_to_ctx(dc, context, phantom_stream);
 	return phantom_stream;
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 4223a9a9dd45..74ccf453349c 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
@@ -377,3 +377,87 @@ void insert_entry_into_table_sorted(struct _vcs_dpi_voltage_scaling_st *table,
 	}
 }
 
+/**
+ * dcn32_set_phantom_stream_timing: Set timing params for the phantom stream
+ *
+ * Set timing params of the phantom stream based on calculated output from DML.
+ * This function first gets the DML pipe index using the DC pipe index, then
+ * calls into DML (get_subviewport_lines_needed_in_mall) to get the number of
+ * lines required for SubVP MCLK switching and assigns to the phantom stream
+ * accordingly.
+ *
+ * - The number of SubVP lines calculated in DML does not take into account
+ * FW processing delays and required pstate allow width, so we must include
+ * that separately.
+ *
+ * - Set phantom backporch = vstartup of main pipe
+ *
+ * @dc: current dc state
+ * @context: new dc state
+ * @ref_pipe: Main pipe for the phantom stream
+ * @pipes: DML pipe params
+ * @pipe_cnt: number of DML pipes
+ * @dc_pipe_idx: DC pipe index for the main pipe (i.e. ref_pipe)
+ */
+void dcn32_set_phantom_stream_timing(struct dc *dc,
+				     struct dc_state *context,
+				     struct pipe_ctx *ref_pipe,
+				     struct dc_stream_state *phantom_stream,
+				     display_e2e_pipe_params_st *pipes,
+				     unsigned int pipe_cnt,
+				     unsigned int dc_pipe_idx)
+{
+	unsigned int i, pipe_idx;
+	struct pipe_ctx *pipe;
+	uint32_t phantom_vactive, phantom_bp, pstate_width_fw_delay_lines;
+	unsigned int vlevel = context->bw_ctx.dml.vba.VoltageLevel;
+	unsigned int dcfclk = context->bw_ctx.dml.vba.DCFCLKState[vlevel][context->bw_ctx.dml.vba.maxMpcComb];
+	unsigned int socclk = context->bw_ctx.dml.vba.SOCCLKPerState[vlevel];
+
+	dc_assert_fp_enabled();
+
+	// Find DML pipe index (pipe_idx) using dc_pipe_idx
+	for (i = 0, pipe_idx = 0; i < dc->res_pool->pipe_count; i++) {
+		pipe = &context->res_ctx.pipe_ctx[i];
+
+		if (!pipe->stream)
+			continue;
+
+		if (i == dc_pipe_idx)
+			break;
+
+		pipe_idx++;
+	}
+
+	// Calculate lines required for pstate allow width and FW processing delays
+	pstate_width_fw_delay_lines = ((double)(dc->caps.subvp_fw_processing_delay_us +
+			dc->caps.subvp_pstate_allow_width_us) / 1000000) *
+			(ref_pipe->stream->timing.pix_clk_100hz * 100) /
+			(double)ref_pipe->stream->timing.h_total;
+
+	// Update clks_cfg for calling into recalculate
+	pipes[0].clks_cfg.voltage = vlevel;
+	pipes[0].clks_cfg.dcfclk_mhz = dcfclk;
+	pipes[0].clks_cfg.socclk_mhz = socclk;
+
+	// DML calculation for MALL region doesn't take into account FW delay
+	// and required pstate allow width for multi-display cases
+	phantom_vactive = get_subviewport_lines_needed_in_mall(&context->bw_ctx.dml, pipes, pipe_cnt, pipe_idx) +
+				pstate_width_fw_delay_lines;
+
+	// For backporch of phantom pipe, use vstartup of the main pipe
+	phantom_bp = get_vstartup(&context->bw_ctx.dml, pipes, pipe_cnt, pipe_idx);
+
+	phantom_stream->dst.y = 0;
+	phantom_stream->dst.height = phantom_vactive;
+	phantom_stream->src.y = 0;
+	phantom_stream->src.height = phantom_vactive;
+
+	phantom_stream->timing.v_addressable = phantom_vactive;
+	phantom_stream->timing.v_front_porch = 1;
+	phantom_stream->timing.v_total = phantom_stream->timing.v_addressable +
+						phantom_stream->timing.v_front_porch +
+						phantom_stream->timing.v_sync_width +
+						phantom_bp;
+}
+
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.h b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.h
index 62cb0c1d462c..4abef908dca9 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.h
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.h
@@ -49,4 +49,12 @@ void insert_entry_into_table_sorted(struct _vcs_dpi_voltage_scaling_st *table,
 				    unsigned int *num_entries,
 				    struct _vcs_dpi_voltage_scaling_st *entry);
 
+void dcn32_set_phantom_stream_timing(struct dc *dc,
+				     struct dc_state *context,
+				     struct pipe_ctx *ref_pipe,
+				     struct dc_stream_state *phantom_stream,
+				     display_e2e_pipe_params_st *pipes,
+				     unsigned int pipe_cnt,
+				     unsigned int dc_pipe_idx);
+
 #endif