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path: root/drivers/gpu/drm/amd/display/dc/dc_helper.c
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Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dc_helper.c')
-rw-r--r--drivers/gpu/drm/amd/display/dc/dc_helper.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dc_helper.c b/drivers/gpu/drm/amd/display/dc/dc_helper.c
index c5ff7b6d733d..a950dd53bca4 100644
--- a/drivers/gpu/drm/amd/display/dc/dc_helper.c
+++ b/drivers/gpu/drm/amd/display/dc/dc_helper.c
@@ -65,6 +65,20 @@ uint32_t generic_reg_get3(const struct dc_context *ctx, uint32_t addr,
return reg_val;
}
+uint32_t generic_reg_get4(const struct dc_context *ctx, uint32_t addr,
+ uint8_t shift1, uint32_t mask1, uint32_t *field_value1,
+ uint8_t shift2, uint32_t mask2, uint32_t *field_value2,
+ uint8_t shift3, uint32_t mask3, uint32_t *field_value3,
+ uint8_t shift4, uint32_t mask4, uint32_t *field_value4)
+{
+ uint32_t reg_val = dm_read_reg(ctx, addr);
+ *field_value1 = get_reg_field_value_ex(reg_val, mask1, shift1);
+ *field_value2 = get_reg_field_value_ex(reg_val, mask2, shift2);
+ *field_value3 = get_reg_field_value_ex(reg_val, mask3, shift3);
+ *field_value4 = get_reg_field_value_ex(reg_val, mask4, shift4);
+ return reg_val;
+}
+
uint32_t generic_reg_get5(const struct dc_context *ctx, uint32_t addr,
uint8_t shift1, uint32_t mask1, uint32_t *field_value1,
uint8_t shift2, uint32_t mask2, uint32_t *field_value2,