Use a Macro to clean up intel_dsc_get_pps_reg so that we don't have
to replicate so many if/else blocks.

Signed-off-by: Suraj Kandpal <suraj.kand...@intel.com>
---
 drivers/gpu/drm/i915/display/intel_vdsc.c | 124 ++++++----------------
 1 file changed, 32 insertions(+), 92 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_vdsc.c 
b/drivers/gpu/drm/i915/display/intel_vdsc.c
index 6d319f351a12..ed8fda431226 100644
--- a/drivers/gpu/drm/i915/display/intel_vdsc.c
+++ b/drivers/gpu/drm/i915/display/intel_vdsc.c
@@ -313,131 +313,71 @@ static void intel_dsc_get_pps_reg(struct 
intel_crtc_state *crtc_state, int pps,
 
        pipe_dsc = is_pipe_dsc(crtc, cpu_transcoder);
 
+#define PRE_MTL_GET_DSC_REGISTER(pps, is_pipe_dsc, pipe) do { \
+       if (is_pipe_dsc) { \
+               *dsc_reg0 = ICL_DSC0_PICTURE_PARAMETER_SET_##pps(pipe); \
+               *dsc_reg1 = ICL_DSC1_PICTURE_PARAMETER_SET_##pps(pipe); \
+       } else { \
+               *dsc_reg0 = DSCA_PICTURE_PARAMETER_SET_##pps; \
+               *dsc_reg1 = DSCC_PICTURE_PARAMETER_SET_##pps; \
+       } \
+} while (0)
+
+#define MTL_GET_DSC_REGISTER(pps, pipe) do { \
+               *dsc_reg0 = MTL_DSC0_PICTURE_PARAMETER_SET_##pps(pipe); \
+               *dsc_reg1 = MTL_DSC1_PICTURE_PARAMETER_SET_##pps(pipe); \
+} while (0)
+
        switch (pps) {
        case 0:
-               if (pipe_dsc) {
-                       *dsc_reg0 = ICL_DSC0_PICTURE_PARAMETER_SET_0(pipe);
-                       *dsc_reg1 = ICL_DSC1_PICTURE_PARAMETER_SET_0(pipe);
-               } else {
-                       *dsc_reg0 = DSCA_PICTURE_PARAMETER_SET_0;
-                       *dsc_reg1 = DSCC_PICTURE_PARAMETER_SET_0;
-               }
+               PRE_MTL_GET_DSC_REGISTER(0, pipe_dsc, pipe);
                break;
        case 1:
-               if (pipe_dsc) {
-                       *dsc_reg0 = ICL_DSC0_PICTURE_PARAMETER_SET_1(pipe);
-                       *dsc_reg1 = ICL_DSC1_PICTURE_PARAMETER_SET_1(pipe);
-               } else {
-                       *dsc_reg0 = DSCA_PICTURE_PARAMETER_SET_1;
-                       *dsc_reg1 = DSCC_PICTURE_PARAMETER_SET_1;
-               }
+               PRE_MTL_GET_DSC_REGISTER(1, pipe_dsc, pipe);
                break;
        case 2:
-               if (pipe_dsc) {
-                       *dsc_reg0 = ICL_DSC0_PICTURE_PARAMETER_SET_2(pipe);
-                       *dsc_reg1 = ICL_DSC1_PICTURE_PARAMETER_SET_2(pipe);
-               } else {
-                       *dsc_reg0 = DSCA_PICTURE_PARAMETER_SET_2;
-                       *dsc_reg1 = DSCC_PICTURE_PARAMETER_SET_2;
-               }
+               PRE_MTL_GET_DSC_REGISTER(2, pipe_dsc, pipe);
                break;
        case 3:
-               if (pipe_dsc) {
-                       *dsc_reg0 = ICL_DSC0_PICTURE_PARAMETER_SET_3(pipe);
-                       *dsc_reg1 = ICL_DSC1_PICTURE_PARAMETER_SET_3(pipe);
-               } else {
-                       *dsc_reg0 = DSCA_PICTURE_PARAMETER_SET_3;
-                       *dsc_reg1 = DSCC_PICTURE_PARAMETER_SET_3;
-               }
+               PRE_MTL_GET_DSC_REGISTER(3, pipe_dsc, pipe);
                break;
        case 4:
-               if (pipe_dsc) {
-                       *dsc_reg0 = ICL_DSC0_PICTURE_PARAMETER_SET_4(pipe);
-                       *dsc_reg1 = ICL_DSC1_PICTURE_PARAMETER_SET_4(pipe);
-               } else {
-                       *dsc_reg0 = DSCA_PICTURE_PARAMETER_SET_4;
-                       *dsc_reg1 = DSCC_PICTURE_PARAMETER_SET_4;
-               }
+               PRE_MTL_GET_DSC_REGISTER(4, pipe_dsc, pipe);
                break;
        case 5:
-               if (pipe_dsc) {
-                       *dsc_reg0 = ICL_DSC0_PICTURE_PARAMETER_SET_5(pipe);
-                       *dsc_reg1 = ICL_DSC1_PICTURE_PARAMETER_SET_5(pipe);
-               } else {
-                       *dsc_reg0 = DSCA_PICTURE_PARAMETER_SET_5;
-                       *dsc_reg1 = DSCC_PICTURE_PARAMETER_SET_5;
-               }
+               PRE_MTL_GET_DSC_REGISTER(5, pipe_dsc, pipe);
                break;
        case 6:
-               if (pipe_dsc) {
-                       *dsc_reg0 = ICL_DSC0_PICTURE_PARAMETER_SET_6(pipe);
-                       *dsc_reg1 = ICL_DSC1_PICTURE_PARAMETER_SET_6(pipe);
-               } else {
-                       *dsc_reg0 = DSCA_PICTURE_PARAMETER_SET_6;
-                       *dsc_reg1 = DSCC_PICTURE_PARAMETER_SET_6;
-               }
+               PRE_MTL_GET_DSC_REGISTER(6, pipe_dsc, pipe);
                break;
        case 7:
-               if (pipe_dsc) {
-                       *dsc_reg0 = ICL_DSC0_PICTURE_PARAMETER_SET_7(pipe);
-                       *dsc_reg1 = ICL_DSC1_PICTURE_PARAMETER_SET_7(pipe);
-               } else {
-                       *dsc_reg0 = DSCA_PICTURE_PARAMETER_SET_7;
-                       *dsc_reg1 = DSCC_PICTURE_PARAMETER_SET_7;
-               }
+               PRE_MTL_GET_DSC_REGISTER(7, pipe_dsc, pipe);
                break;
        case 8:
-               if (pipe_dsc) {
-                       *dsc_reg0 = ICL_DSC0_PICTURE_PARAMETER_SET_8(pipe);
-                       *dsc_reg1 = ICL_DSC1_PICTURE_PARAMETER_SET_8(pipe);
-               } else {
-                       *dsc_reg0 = DSCA_PICTURE_PARAMETER_SET_8;
-                       *dsc_reg1 = DSCC_PICTURE_PARAMETER_SET_8;
-               }
+               PRE_MTL_GET_DSC_REGISTER(8, pipe_dsc, pipe);
                break;
        case 9:
-               if (pipe_dsc) {
-                       *dsc_reg0 = ICL_DSC0_PICTURE_PARAMETER_SET_9(pipe);
-                       *dsc_reg1 = ICL_DSC1_PICTURE_PARAMETER_SET_9(pipe);
-               } else {
-                       *dsc_reg0 = DSCA_PICTURE_PARAMETER_SET_9;
-                       *dsc_reg1 = DSCC_PICTURE_PARAMETER_SET_9;
-               }
+               PRE_MTL_GET_DSC_REGISTER(9, pipe_dsc, pipe);
                break;
        case 10:
-               if (pipe_dsc) {
-                       *dsc_reg0 = ICL_DSC0_PICTURE_PARAMETER_SET_10(pipe);
-                       *dsc_reg1 = ICL_DSC1_PICTURE_PARAMETER_SET_10(pipe);
-               } else {
-                       *dsc_reg0 = DSCA_PICTURE_PARAMETER_SET_10;
-                       *dsc_reg1 = DSCC_PICTURE_PARAMETER_SET_10;
-               }
+               PRE_MTL_GET_DSC_REGISTER(10, pipe_dsc, pipe);
                break;
        case 16:
-               if (pipe_dsc) {
-                       *dsc_reg0 = ICL_DSC0_PICTURE_PARAMETER_SET_16(pipe);
-                       *dsc_reg1 = ICL_DSC1_PICTURE_PARAMETER_SET_16(pipe);
-               } else {
-                       *dsc_reg0 = DSCA_PICTURE_PARAMETER_SET_16;
-                       *dsc_reg1 = DSCC_PICTURE_PARAMETER_SET_16;
-               }
+               PRE_MTL_GET_DSC_REGISTER(16, pipe_dsc, pipe);
                break;
-       /*
-        * Since PPS_17 and PPS_18 were introduced from MTL dsc check
-        * need not be done
-        */
        case 17:
-               *dsc_reg0 = MTL_DSC0_PICTURE_PARAMETER_SET_17(pipe);
-               *dsc_reg1 = MTL_DSC1_PICTURE_PARAMETER_SET_17(pipe);
+               MTL_GET_DSC_REGISTER(17, pipe);
                break;
        case 18:
-               *dsc_reg0 = MTL_DSC0_PICTURE_PARAMETER_SET_18(pipe);
-               *dsc_reg1 = MTL_DSC1_PICTURE_PARAMETER_SET_18(pipe);
+               MTL_GET_DSC_REGISTER(18, pipe);
                break;
        default:
                MISSING_CASE(pps);
                break;
        }
+
+#undef PRE_MTL_GET_DSC_REGISTER
+#undef MTL_GET_DSC_REGISTER
 }
 
 static void intel_dsc_pps_configure(const struct intel_crtc_state *crtc_state)
-- 
2.25.1

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