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drm/amd/display: Add more Clock Sources to DCN2.1

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[ Upstream commit 1622711bee ]

[WHY]
When enabling HDMI on ComboPHY, there are not
enough clock sources to complete display detection.

[HOW]
Initialize more clock sources.

Signed-off-by: Sung Lee <sung.lee@amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng@amd.com>
Acked-by: Anson Jacob <Anson.Jacob@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Sung Lee
2021-01-15 13:53:15 -05:00
committed by Greg Kroah-Hartman
parent 7963f3ff8e
commit 4d9a5224d5
1 changed files with 10 additions and 0 deletions
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10
drivers/gpu/drm/amd/display/dc/dcn21/dcn21_resource.c
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@@ -902,6 +902,8 @@ enum dcn20_clk_src_array_id {
DCN20_CLK_SRC_PLL0,
DCN20_CLK_SRC_PLL1,
DCN20_CLK_SRC_PLL2,
DCN20_CLK_SRC_PLL3,
DCN20_CLK_SRC_PLL4,
DCN20_CLK_SRC_TOTAL_DCN21
};
@@ -1880,6 +1882,14 @@ static bool dcn21_resource_construct(
dcn21_clock_source_create(ctx, ctx->dc_bios,
CLOCK_SOURCE_COMBO_PHY_PLL2,
&clk_src_regs[2], false);
pool->base.clock_sources[DCN20_CLK_SRC_PLL3] =
dcn21_clock_source_create(ctx, ctx->dc_bios,
CLOCK_SOURCE_COMBO_PHY_PLL3,
&clk_src_regs[3], false);
pool->base.clock_sources[DCN20_CLK_SRC_PLL4] =
dcn21_clock_source_create(ctx, ctx->dc_bios,
CLOCK_SOURCE_COMBO_PHY_PLL4,
&clk_src_regs[4], false);
pool->base.clk_src_count = DCN20_CLK_SRC_TOTAL_DCN21;