drm/amd/display: Remove duplicate code across dcn30 and dcn31

The function CalculateBytePerPixelAnd256BBlockSizes was defined four
times: on display_mode_vba_30.c, display_rq_dlg_calc_30.c,
display_mode_vba_31.c and display_rq_dlg_calc_31.c. In order to avoid
code duplication, the CalculateBytePerPixelAnd256BBlockSizes is defined
on display_mode_vba_30.h and used across dcn30 and dcn31.

Signed-off-by: Maíra Canal <mairacanal@riseup.net>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

3 files changed, 17 insertions, 108 deletions

diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.c b/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.c
index fb4aa4c800bf..842eb94ebe04 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.c
@@ -712,18 +712,6 @@ static double CalculateUrgentLatency(
 		double UrgentLatencyAdjustmentFabricClockReference,
 		double FabricClockSingle);
 
-static bool CalculateBytePerPixelAnd256BBlockSizes(
-		enum source_format_class SourcePixelFormat,
-		enum dm_swizzle_mode SurfaceTiling,
-		unsigned int *BytePerPixelY,
-		unsigned int *BytePerPixelC,
-		double       *BytePerPixelDETY,
-		double       *BytePerPixelDETC,
-		unsigned int *BlockHeight256BytesY,
-		unsigned int *BlockHeight256BytesC,
-		unsigned int *BlockWidth256BytesY,
-		unsigned int *BlockWidth256BytesC);
-
 void dml30_recalculate(struct display_mode_lib *mode_lib)
 {
 	ModeSupportAndSystemConfiguration(mode_lib);
@@ -2095,7 +2083,7 @@ static void DISPCLKDPPCLKDCFCLKDeepSleepPrefetchParametersWatermarksAndPerforman
 	DTRACE("   return_bus_bw      = %f", v->ReturnBW);
 
 	for (k = 0; k < v->NumberOfActivePlanes; ++k) {
-		CalculateBytePerPixelAnd256BBlockSizes(
+		dml30_CalculateBytePerPixelAnd256BBlockSizes(
 				v->SourcePixelFormat[k],
 				v->SurfaceTiling[k],
 				&v->BytePerPixelY[k],
@@ -3165,7 +3153,7 @@ static void DisplayPipeConfiguration(struct display_mode_lib *mode_lib)
 
 	for (k = 0; k < mode_lib->vba.NumberOfActivePlanes; ++k) {
 
-		CalculateBytePerPixelAnd256BBlockSizes(
+		dml30_CalculateBytePerPixelAnd256BBlockSizes(
 				mode_lib->vba.SourcePixelFormat[k],
 				mode_lib->vba.SurfaceTiling[k],
 				&BytePerPixY[k],
@@ -3218,7 +3206,7 @@ static void DisplayPipeConfiguration(struct display_mode_lib *mode_lib)
 			&dummysinglestring);
 }
 
-static bool CalculateBytePerPixelAnd256BBlockSizes(
+void dml30_CalculateBytePerPixelAnd256BBlockSizes(
 		enum source_format_class SourcePixelFormat,
 		enum dm_swizzle_mode SurfaceTiling,
 		unsigned int *BytePerPixelY,
@@ -3305,7 +3293,6 @@ static bool CalculateBytePerPixelAnd256BBlockSizes(
 		*BlockWidth256BytesY = 256U / *BytePerPixelY / *BlockHeight256BytesY;
 		*BlockWidth256BytesC = 256U / *BytePerPixelC / *BlockHeight256BytesC;
 	}
-	return true;
 }
 
 static double CalculateTWait(
@@ -3709,7 +3696,7 @@ void dml30_ModeSupportAndSystemConfigurationFull(struct display_mode_lib *mode_l
 	/*Bandwidth Support Check*/
 
 	for (k = 0; k <= v->NumberOfActivePlanes - 1; k++) {
-		CalculateBytePerPixelAnd256BBlockSizes(
+		dml30_CalculateBytePerPixelAnd256BBlockSizes(
 				v->SourcePixelFormat[k],
 				v->SurfaceTiling[k],
 				&v->BytePerPixelY[k],
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.h b/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.h
index 4e249eaabfdb..daaf0883b84d 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.h
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_mode_vba_30.h
@@ -39,5 +39,16 @@ double dml30_CalculateWriteBackDISPCLK(
 		long   WritebackDestinationWidth,
 		unsigned int HTotal,
 		unsigned int WritebackLineBufferSize);
+void dml30_CalculateBytePerPixelAnd256BBlockSizes(
+		enum source_format_class SourcePixelFormat,
+		enum dm_swizzle_mode SurfaceTiling,
+		unsigned int *BytePerPixelY,
+		unsigned int *BytePerPixelC,
+		double       *BytePerPixelDETY,
+		double       *BytePerPixelDETC,
+		unsigned int *BlockHeight256BytesY,
+		unsigned int *BlockHeight256BytesC,
+		unsigned int *BlockWidth256BytesY,
+		unsigned int *BlockWidth256BytesC);
 
 #endif /* __DML30_DISPLAY_MODE_VBA_H__ */
diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.c b/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.c
index 747167083dea..8179be1f34bb 100644
--- a/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.c
+++ b/drivers/gpu/drm/amd/display/dc/dml/dcn30/display_rq_dlg_calc_30.c
@@ -29,6 +29,7 @@
 #include "../display_mode_vba.h"
 #include "../dml_inline_defs.h"
 #include "display_rq_dlg_calc_30.h"
+#include "display_mode_vba_30.h"
 
 static bool is_dual_plane(enum source_format_class source_format)
 {
@@ -275,96 +276,6 @@ static void handle_det_buf_split(struct display_mode_lib *mode_lib,
 		full_swath_bytes_packed_c);
 }
 
-static bool CalculateBytePerPixelAnd256BBlockSizes(
-		enum source_format_class SourcePixelFormat,
-		enum dm_swizzle_mode SurfaceTiling,
-		unsigned int *BytePerPixelY,
-		unsigned int *BytePerPixelC,
-		double       *BytePerPixelDETY,
-		double       *BytePerPixelDETC,
-		unsigned int *BlockHeight256BytesY,
-		unsigned int *BlockHeight256BytesC,
-		unsigned int *BlockWidth256BytesY,
-		unsigned int *BlockWidth256BytesC)
-{
-	if (SourcePixelFormat == dm_444_64) {
-		*BytePerPixelDETY = 8;
-		*BytePerPixelDETC = 0;
-		*BytePerPixelY = 8;
-		*BytePerPixelC = 0;
-	} else if (SourcePixelFormat == dm_444_32 || SourcePixelFormat == dm_rgbe) {
-		*BytePerPixelDETY = 4;
-		*BytePerPixelDETC = 0;
-		*BytePerPixelY = 4;
-		*BytePerPixelC = 0;
-	} else if (SourcePixelFormat == dm_444_16) {
-		*BytePerPixelDETY = 2;
-		*BytePerPixelDETC = 0;
-		*BytePerPixelY = 2;
-		*BytePerPixelC = 0;
-	} else if (SourcePixelFormat == dm_444_8) {
-		*BytePerPixelDETY = 1;
-		*BytePerPixelDETC = 0;
-		*BytePerPixelY = 1;
-		*BytePerPixelC = 0;
-	} else if (SourcePixelFormat == dm_rgbe_alpha) {
-		*BytePerPixelDETY = 4;
-		*BytePerPixelDETC = 1;
-		*BytePerPixelY = 4;
-		*BytePerPixelC = 1;
-	} else if (SourcePixelFormat == dm_420_8) {
-		*BytePerPixelDETY = 1;
-		*BytePerPixelDETC = 2;
-		*BytePerPixelY = 1;
-		*BytePerPixelC = 2;
-	} else if (SourcePixelFormat == dm_420_12) {
-		*BytePerPixelDETY = 2;
-		*BytePerPixelDETC = 4;
-		*BytePerPixelY = 2;
-		*BytePerPixelC = 4;
-	} else {
-		*BytePerPixelDETY = 4.0 / 3;
-		*BytePerPixelDETC = 8.0 / 3;
-		*BytePerPixelY = 2;
-		*BytePerPixelC = 4;
-	}
-
-	if ((SourcePixelFormat == dm_444_64 || SourcePixelFormat == dm_444_32
-			|| SourcePixelFormat == dm_444_16 || SourcePixelFormat == dm_444_8
-			|| SourcePixelFormat == dm_mono_16 || SourcePixelFormat == dm_mono_8
-			|| SourcePixelFormat == dm_rgbe)) {
-		if (SurfaceTiling == dm_sw_linear) {
-			*BlockHeight256BytesY = 1;
-		} else if (SourcePixelFormat == dm_444_64) {
-			*BlockHeight256BytesY = 4;
-		} else if (SourcePixelFormat == dm_444_8) {
-			*BlockHeight256BytesY = 16;
-		} else {
-			*BlockHeight256BytesY = 8;
-		}
-		*BlockWidth256BytesY = 256U / *BytePerPixelY / *BlockHeight256BytesY;
-		*BlockHeight256BytesC = 0;
-		*BlockWidth256BytesC = 0;
-	} else {
-		if (SurfaceTiling == dm_sw_linear) {
-			*BlockHeight256BytesY = 1;
-			*BlockHeight256BytesC = 1;
-		} else if (SourcePixelFormat == dm_rgbe_alpha) {
-			*BlockHeight256BytesY = 8;
-			*BlockHeight256BytesC = 16;
-		} else if (SourcePixelFormat == dm_420_8) {
-			*BlockHeight256BytesY = 16;
-			*BlockHeight256BytesC = 8;
-		} else {
-			*BlockHeight256BytesY = 8;
-			*BlockHeight256BytesC = 8;
-		}
-		*BlockWidth256BytesY = 256U / *BytePerPixelY / *BlockHeight256BytesY;
-		*BlockWidth256BytesC = 256U / *BytePerPixelC / *BlockHeight256BytesC;
-	}
-	return true;
-}
-
 static void get_meta_and_pte_attr(struct display_mode_lib *mode_lib,
 	display_data_rq_dlg_params_st *rq_dlg_param,
 	display_data_rq_misc_params_st *rq_misc_param,
@@ -450,7 +361,7 @@ static void get_meta_and_pte_attr(struct display_mode_lib *mode_lib,
 	double byte_per_pixel_det_y = 0;
 	double byte_per_pixel_det_c = 0;
 
-	CalculateBytePerPixelAnd256BBlockSizes((enum source_format_class)(source_format),
+	dml30_CalculateBytePerPixelAnd256BBlockSizes((enum source_format_class)(source_format),
 		(enum dm_swizzle_mode)(tiling),
 		&bytes_per_element_y,
 		&bytes_per_element_c,