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drm/amd/display: Guard DCN31 PHYD32CLK logic against chip family

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[ Upstream commit 25b054c3c8 ]

[Why]
Current yellow carp B0 PHYD32CLK logic is incorrectly applied to other
ASICs.

[How]
Add guard to check chip family is yellow carp before applying logic.

Reviewed-by: Hansen Dsouza <hansen.dsouza@amd.com>
Acked-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: George Shen <george.shen@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:
George Shen
2023-07-11 13:22:36 -04:00
committed by Greg Kroah-Hartman
parent d7b1aa3e20
commit faa77cf5f2
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/amd/display/dc/dcn31/dcn31_dccg.c
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@@ -84,7 +84,8 @@ static enum phyd32clk_clock_source get_phy_mux_symclk(
struct dcn_dccg *dccg_dcn,
enum phyd32clk_clock_source src)
{
if (dccg_dcn->base.ctx->asic_id.hw_internal_rev == YELLOW_CARP_B0) {
if (dccg_dcn->base.ctx->asic_id.chip_family == FAMILY_YELLOW_CARP &&
dccg_dcn->base.ctx->asic_id.hw_internal_rev == YELLOW_CARP_B0) {
if (src == PHYD32CLKC)
src = PHYD32CLKF;
if (src == PHYD32CLKD)