drm/msm/dpu: Use indexed array initializer to prevent mismatches
authorMarijn Suijten <marijn.suijten@somainline.org>
Sat, 26 Feb 2022 19:46:32 +0000 (20:46 +0100)
committerRob Clark <robdclark@chromium.org>
Wed, 6 Apr 2022 16:25:09 +0000 (09:25 -0700)
While there's a comment pointing from dpu_intr_set to dpu_hw_intr_reg
and vice-versa, an array initializer using indices makes it so that the
indices between the enum and array cannot possibly get out of sync even
if they're accidentially ordered wrongly.  It is still useful to keep
the comment to be made aware where the register offset mapping resides
while looking at dpu_hw_intr_reg.

Signed-off-by: Marijn Suijten <marijn.suijten@somainline.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20220226194633.204501-1-marijn.suijten@somainline.org
Signed-off-by: Rob Clark <robdclark@chromium.org>
drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.c

index c515b7c..c61b5b2 100644 (file)
@@ -54,87 +54,87 @@ struct dpu_intr_reg {
  * When making changes be sure to sync with dpu_hw_intr_reg
  */
 static const struct dpu_intr_reg dpu_intr_set[] = {
-       {
+       [MDP_SSPP_TOP0_INTR] = {
                MDP_SSPP_TOP0_OFF+INTR_CLEAR,
                MDP_SSPP_TOP0_OFF+INTR_EN,
                MDP_SSPP_TOP0_OFF+INTR_STATUS
        },
-       {
+       [MDP_SSPP_TOP0_INTR2] = {
                MDP_SSPP_TOP0_OFF+INTR2_CLEAR,
                MDP_SSPP_TOP0_OFF+INTR2_EN,
                MDP_SSPP_TOP0_OFF+INTR2_STATUS
        },
-       {
+       [MDP_SSPP_TOP0_HIST_INTR] = {
                MDP_SSPP_TOP0_OFF+HIST_INTR_CLEAR,
                MDP_SSPP_TOP0_OFF+HIST_INTR_EN,
                MDP_SSPP_TOP0_OFF+HIST_INTR_STATUS
        },
-       {
+       [MDP_INTF0_INTR] = {
                MDP_INTF_0_OFF+INTF_INTR_CLEAR,
                MDP_INTF_0_OFF+INTF_INTR_EN,
                MDP_INTF_0_OFF+INTF_INTR_STATUS
        },
-       {
+       [MDP_INTF1_INTR] = {
                MDP_INTF_1_OFF+INTF_INTR_CLEAR,
                MDP_INTF_1_OFF+INTF_INTR_EN,
                MDP_INTF_1_OFF+INTF_INTR_STATUS
        },
-       {
+       [MDP_INTF2_INTR] = {
                MDP_INTF_2_OFF+INTF_INTR_CLEAR,
                MDP_INTF_2_OFF+INTF_INTR_EN,
                MDP_INTF_2_OFF+INTF_INTR_STATUS
        },
-       {
+       [MDP_INTF3_INTR] = {
                MDP_INTF_3_OFF+INTF_INTR_CLEAR,
                MDP_INTF_3_OFF+INTF_INTR_EN,
                MDP_INTF_3_OFF+INTF_INTR_STATUS
        },
-       {
+       [MDP_INTF4_INTR] = {
                MDP_INTF_4_OFF+INTF_INTR_CLEAR,
                MDP_INTF_4_OFF+INTF_INTR_EN,
                MDP_INTF_4_OFF+INTF_INTR_STATUS
        },
-       {
+       [MDP_INTF5_INTR] = {
                MDP_INTF_5_OFF+INTF_INTR_CLEAR,
                MDP_INTF_5_OFF+INTF_INTR_EN,
                MDP_INTF_5_OFF+INTF_INTR_STATUS
        },
-       {
+       [MDP_AD4_0_INTR] = {
                MDP_AD4_0_OFF + MDP_AD4_INTR_CLEAR_OFF,
                MDP_AD4_0_OFF + MDP_AD4_INTR_EN_OFF,
                MDP_AD4_0_OFF + MDP_AD4_INTR_STATUS_OFF,
        },
-       {
+       [MDP_AD4_1_INTR] = {
                MDP_AD4_1_OFF + MDP_AD4_INTR_CLEAR_OFF,
                MDP_AD4_1_OFF + MDP_AD4_INTR_EN_OFF,
                MDP_AD4_1_OFF + MDP_AD4_INTR_STATUS_OFF,
        },
-       {
+       [MDP_INTF0_7xxx_INTR] = {
                MDP_INTF_0_OFF_REV_7xxx+INTF_INTR_CLEAR,
                MDP_INTF_0_OFF_REV_7xxx+INTF_INTR_EN,
                MDP_INTF_0_OFF_REV_7xxx+INTF_INTR_STATUS
        },
-       {
+       [MDP_INTF1_7xxx_INTR] = {
                MDP_INTF_1_OFF_REV_7xxx+INTF_INTR_CLEAR,
                MDP_INTF_1_OFF_REV_7xxx+INTF_INTR_EN,
                MDP_INTF_1_OFF_REV_7xxx+INTF_INTR_STATUS
        },
-       {
+       [MDP_INTF2_7xxx_INTR] = {
                MDP_INTF_2_OFF_REV_7xxx+INTF_INTR_CLEAR,
                MDP_INTF_2_OFF_REV_7xxx+INTF_INTR_EN,
                MDP_INTF_2_OFF_REV_7xxx+INTF_INTR_STATUS
        },
-       {
+       [MDP_INTF3_7xxx_INTR] = {
                MDP_INTF_3_OFF_REV_7xxx+INTF_INTR_CLEAR,
                MDP_INTF_3_OFF_REV_7xxx+INTF_INTR_EN,
                MDP_INTF_3_OFF_REV_7xxx+INTF_INTR_STATUS
        },
-       {
+       [MDP_INTF4_7xxx_INTR] = {
                MDP_INTF_4_OFF_REV_7xxx+INTF_INTR_CLEAR,
                MDP_INTF_4_OFF_REV_7xxx+INTF_INTR_EN,
                MDP_INTF_4_OFF_REV_7xxx+INTF_INTR_STATUS
        },
-       {
+       [MDP_INTF5_7xxx_INTR] = {
                MDP_INTF_5_OFF_REV_7xxx+INTF_INTR_CLEAR,
                MDP_INTF_5_OFF_REV_7xxx+INTF_INTR_EN,
                MDP_INTF_5_OFF_REV_7xxx+INTF_INTR_STATUS