1 files changed, 56 insertions, 2 deletions

diff --git a/drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c b/drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c
index 288129343c77..0f8332ea1160 100644
--- a/drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dce112/dce112_resource.c
@@ -50,6 +50,7 @@
 #include "dce/dce_abm.h"
 #include "dce/dce_dmcu.h"
 #include "dce/dce_aux.h"
+#include "dce/dce_i2c.h"
 
 #include "reg_helper.h"
 
@@ -383,6 +384,7 @@ static const struct resource_caps polaris_10_resource_cap = {
 		.num_audio = 6,
 		.num_stream_encoder = 6,
 		.num_pll = 8, /* why 8? 6 combo PHY PLL + 2 regular PLLs? */
+		.num_ddc = 6,
 };
 
 static const struct resource_caps polaris_11_resource_cap = {
@@ -390,6 +392,7 @@ static const struct resource_caps polaris_11_resource_cap = {
 		.num_audio = 5,
 		.num_stream_encoder = 5,
 		.num_pll = 8, /* why 8? 6 combo PHY PLL + 2 regular PLLs? */
+		.num_ddc = 5,
 };
 
 #define CTX  ctx
@@ -620,7 +623,40 @@ struct aux_engine *dce112_aux_engine_create(
 
 	return &aux_engine->base;
 }
+#define i2c_inst_regs(id) { I2C_HW_ENGINE_COMMON_REG_LIST(id) }
+
+static const struct dce_i2c_registers i2c_hw_regs[] = {
+		i2c_inst_regs(1),
+		i2c_inst_regs(2),
+		i2c_inst_regs(3),
+		i2c_inst_regs(4),
+		i2c_inst_regs(5),
+		i2c_inst_regs(6),
+};
+
+static const struct dce_i2c_shift i2c_shifts = {
+		I2C_COMMON_MASK_SH_LIST_DCE110(__SHIFT)
+};
+
+static const struct dce_i2c_mask i2c_masks = {
+		I2C_COMMON_MASK_SH_LIST_DCE110(_MASK)
+};
+
+struct dce_i2c_hw *dce112_i2c_hw_create(
+	struct dc_context *ctx,
+	uint32_t inst)
+{
+	struct dce_i2c_hw *dce_i2c_hw =
+		kzalloc(sizeof(struct dce_i2c_hw), GFP_KERNEL);
+
+	if (!dce_i2c_hw)
+		return NULL;
 
+	dce112_i2c_hw_construct(dce_i2c_hw, ctx, inst,
+				    &i2c_hw_regs[inst], &i2c_shifts, &i2c_masks);
+
+	return dce_i2c_hw;
+}
 struct clock_source *dce112_clock_source_create(
 	struct dc_context *ctx,
 	struct dc_bios *bios,
@@ -634,7 +670,7 @@ struct clock_source *dce112_clock_source_create(
 	if (!clk_src)
 		return NULL;
 
-	if (dce110_clk_src_construct(clk_src, ctx, bios, id,
+	if (dce112_clk_src_construct(clk_src, ctx, bios, id,
 			regs, &cs_shift, &cs_mask)) {
 		clk_src->base.dp_clk_src = dp_clk_src;
 		return &clk_src->base;
@@ -676,7 +712,14 @@ static void destruct(struct dce110_resource_pool *pool)
 			kfree(DCE110TG_FROM_TG(pool->base.timing_generators[i]));
 			pool->base.timing_generators[i] = NULL;
 		}
-
+		if (pool->base.hw_i2cs[i] != NULL) {
+			kfree(pool->base.hw_i2cs[i]);
+			pool->base.hw_i2cs[i] = NULL;
+		}
+		if (pool->base.sw_i2cs[i] != NULL) {
+			kfree(pool->base.sw_i2cs[i]);
+			pool->base.sw_i2cs[i] = NULL;
+		}
 	}
 
 	for (i = 0; i < pool->base.stream_enc_count; i++) {
@@ -1245,6 +1288,9 @@ static bool construct(
 				"DC:failed to create output pixel processor!\n");
 			goto res_create_fail;
 		}
+	}
+
+	for (i = 0; i < pool->base.res_cap->num_ddc; i++) {
 		pool->base.engines[i] = dce112_aux_engine_create(ctx, i);
 		if (pool->base.engines[i] == NULL) {
 			BREAK_TO_DEBUGGER();
@@ -1252,6 +1298,14 @@ static bool construct(
 				"DC:failed to create aux engine!!\n");
 			goto res_create_fail;
 		}
+		pool->base.hw_i2cs[i] = dce112_i2c_hw_create(ctx, i);
+		if (pool->base.hw_i2cs[i] == NULL) {
+			BREAK_TO_DEBUGGER();
+			dm_error(
+				"DC:failed to create i2c engine!!\n");
+			goto res_create_fail;
+		}
+		pool->base.sw_i2cs[i] = NULL;
 	}
 
 	if (!resource_construct(num_virtual_links, dc, &pool->base,