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From 65af737105bd64feb320ebbad85e3fdf8d0d4afd Mon Sep 17 00:00:00 2001
From: "Jerry (Fangzhi) Zuo" <Jerry.Zuo@amd.com>
Date: Mon, 5 Mar 2018 16:12:23 -0500
Subject: [PATCH 4419/5725] drm/amd/display: Add harvest IP support for Vega20
Retrieve fuses to determine the availability of pipes, and
eliminate pipes that cannot be used.
Signed-off-by: Jerry (Fangzhi) Zuo <Jerry.Zuo@amd.com>
Reviewed-by: Hersen Wu <hersenxs.wu@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Feifei Xu <Feifei.Xu@amd.com>
---
.../drm/amd/display/dc/dce120/dce120_resource.c | 208 +++++++++++++++++++++
1 file changed, 208 insertions(+)
diff --git a/drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c b/drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c
index fda0157..545f35f 100644
--- a/drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dce120/dce120_resource.c
@@ -814,6 +814,213 @@ static void bw_calcs_data_update_from_pplib(struct dc *dc)
dm_pp_notify_wm_clock_changes(dc->ctx, &clk_ranges);
}
+#ifdef CONFIG_DRM_AMD_DC_VG20
+static uint32_t read_pipe_fuses(struct dc_context *ctx)
+{
+ uint32_t value = dm_read_reg_soc15(ctx, mmCC_DC_PIPE_DIS, 0);
+ /* VG20 support max 6 pipes */
+ value = value & 0x3f;
+ return value;
+}
+
+static bool construct(
+ uint8_t num_virtual_links,
+ struct dc *dc,
+ struct dce110_resource_pool *pool)
+{
+ unsigned int i;
+ int j;
+ struct dc_context *ctx = dc->ctx;
+ struct irq_service_init_data irq_init_data;
+ bool harvest_enabled = ASICREV_IS_VEGA20_P(ctx->asic_id.hw_internal_rev);
+ uint32_t pipe_fuses;
+
+ ctx->dc_bios->regs = &bios_regs;
+
+ pool->base.res_cap = &res_cap;
+ pool->base.funcs = &dce120_res_pool_funcs;
+
+ /* TODO: Fill more data from GreenlandAsicCapability.cpp */
+ pool->base.pipe_count = res_cap.num_timing_generator;
+ pool->base.timing_generator_count = pool->base.res_cap->num_timing_generator;
+ pool->base.underlay_pipe_index = NO_UNDERLAY_PIPE;
+
+ dc->caps.max_downscale_ratio = 200;
+ dc->caps.i2c_speed_in_khz = 100;
+ dc->caps.max_cursor_size = 128;
+ dc->caps.dual_link_dvi = true;
+
+ dc->debug = debug_defaults;
+
+ /*************************************************
+ * Create resources *
+ *************************************************/
+
+ pool->base.clock_sources[DCE120_CLK_SRC_PLL0] =
+ dce120_clock_source_create(ctx, ctx->dc_bios,
+ CLOCK_SOURCE_COMBO_PHY_PLL0,
+ &clk_src_regs[0], false);
+ pool->base.clock_sources[DCE120_CLK_SRC_PLL1] =
+ dce120_clock_source_create(ctx, ctx->dc_bios,
+ CLOCK_SOURCE_COMBO_PHY_PLL1,
+ &clk_src_regs[1], false);
+ pool->base.clock_sources[DCE120_CLK_SRC_PLL2] =
+ dce120_clock_source_create(ctx, ctx->dc_bios,
+ CLOCK_SOURCE_COMBO_PHY_PLL2,
+ &clk_src_regs[2], false);
+ pool->base.clock_sources[DCE120_CLK_SRC_PLL3] =
+ dce120_clock_source_create(ctx, ctx->dc_bios,
+ CLOCK_SOURCE_COMBO_PHY_PLL3,
+ &clk_src_regs[3], false);
+ pool->base.clock_sources[DCE120_CLK_SRC_PLL4] =
+ dce120_clock_source_create(ctx, ctx->dc_bios,
+ CLOCK_SOURCE_COMBO_PHY_PLL4,
+ &clk_src_regs[4], false);
+ pool->base.clock_sources[DCE120_CLK_SRC_PLL5] =
+ dce120_clock_source_create(ctx, ctx->dc_bios,
+ CLOCK_SOURCE_COMBO_PHY_PLL5,
+ &clk_src_regs[5], false);
+ pool->base.clk_src_count = DCE120_CLK_SRC_TOTAL;
+
+ pool->base.dp_clock_source =
+ dce120_clock_source_create(ctx, ctx->dc_bios,
+ CLOCK_SOURCE_ID_DP_DTO,
+ &clk_src_regs[0], true);
+
+ for (i = 0; i < pool->base.clk_src_count; i++) {
+ if (pool->base.clock_sources[i] == NULL) {
+ dm_error("DC: failed to create clock sources!\n");
+ BREAK_TO_DEBUGGER();
+ goto clk_src_create_fail;
+ }
+ }
+
+ pool->base.display_clock = dce120_disp_clk_create(ctx);
+ if (pool->base.display_clock == NULL) {
+ dm_error("DC: failed to create display clock!\n");
+ BREAK_TO_DEBUGGER();
+ goto disp_clk_create_fail;
+ }
+
+ pool->base.dmcu = dce_dmcu_create(ctx,
+ &dmcu_regs,
+ &dmcu_shift,
+ &dmcu_mask);
+ if (pool->base.dmcu == NULL) {
+ dm_error("DC: failed to create dmcu!\n");
+ BREAK_TO_DEBUGGER();
+ goto res_create_fail;
+ }
+
+ pool->base.abm = dce_abm_create(ctx,
+ &abm_regs,
+ &abm_shift,
+ &abm_mask);
+ if (pool->base.abm == NULL) {
+ dm_error("DC: failed to create abm!\n");
+ BREAK_TO_DEBUGGER();
+ goto res_create_fail;
+ }
+
+ irq_init_data.ctx = dc->ctx;
+ pool->base.irqs = dal_irq_service_dce120_create(&irq_init_data);
+ if (!pool->base.irqs)
+ goto irqs_create_fail;
+
+ /* retrieve valid pipe fuses */
+ if (harvest_enabled)
+ pipe_fuses = read_pipe_fuses(ctx);
+
+ /* index to valid pipe resource */
+ j = 0;
+ for (i = 0; i < pool->base.pipe_count; i++) {
+ if (harvest_enabled) {
+ if ((pipe_fuses & (1 << i)) != 0) {
+ dm_error("DC: skip invalid pipe %d!\n", i);
+ continue;
+ }
+ }
+
+ pool->base.timing_generators[j] =
+ dce120_timing_generator_create(
+ ctx,
+ i,
+ &dce120_tg_offsets[i]);
+ if (pool->base.timing_generators[j] == NULL) {
+ BREAK_TO_DEBUGGER();
+ dm_error("DC: failed to create tg!\n");
+ goto controller_create_fail;
+ }
+
+ pool->base.mis[j] = dce120_mem_input_create(ctx, i);
+
+ if (pool->base.mis[j] == NULL) {
+ BREAK_TO_DEBUGGER();
+ dm_error(
+ "DC: failed to create memory input!\n");
+ goto controller_create_fail;
+ }
+
+ pool->base.ipps[j] = dce120_ipp_create(ctx, i);
+ if (pool->base.ipps[i] == NULL) {
+ BREAK_TO_DEBUGGER();
+ dm_error(
+ "DC: failed to create input pixel processor!\n");
+ goto controller_create_fail;
+ }
+
+ pool->base.transforms[j] = dce120_transform_create(ctx, i);
+ if (pool->base.transforms[i] == NULL) {
+ BREAK_TO_DEBUGGER();
+ dm_error(
+ "DC: failed to create transform!\n");
+ goto res_create_fail;
+ }
+
+ pool->base.opps[j] = dce120_opp_create(
+ ctx,
+ i);
+ if (pool->base.opps[j] == NULL) {
+ BREAK_TO_DEBUGGER();
+ dm_error(
+ "DC: failed to create output pixel processor!\n");
+ }
+
+ /* check next valid pipe */
+ j++;
+ }
+
+ /* valid pipe num */
+ pool->base.pipe_count = j;
+ pool->base.timing_generator_count = j;
+
+ if (!resource_construct(num_virtual_links, dc, &pool->base,
+ &res_create_funcs))
+ goto res_create_fail;
+
+ /* Create hardware sequencer */
+ if (!dce120_hw_sequencer_create(dc))
+ goto controller_create_fail;
+
+ dc->caps.max_planes = pool->base.pipe_count;
+
+ bw_calcs_init(dc->bw_dceip, dc->bw_vbios, dc->ctx->asic_id);
+
+ bw_calcs_data_update_from_pplib(dc);
+
+ return true;
+
+irqs_create_fail:
+controller_create_fail:
+disp_clk_create_fail:
+clk_src_create_fail:
+res_create_fail:
+
+ destruct(pool);
+
+ return false;
+}
+#else
static bool construct(
uint8_t num_virtual_links,
struct dc *dc,
@@ -988,6 +1195,7 @@ static bool construct(
return false;
}
+#endif
struct resource_pool *dce120_create_resource_pool(
uint8_t num_virtual_links,
--
2.7.4
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