This is a note to let you know that I've just added the patch titled drm/amd/display: Fixes for dcn32_clk_mgr implementation to the 6.1-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: drm-amd-display-fixes-for-dcn32_clk_mgr-implementati.patch and it can be found in the queue-6.1 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 75f2d55f4d15155e54f935ee108be60f809b1617 Author: Aurabindo Pillai <aurabindo.pillai@xxxxxxx> Date: Thu Apr 6 12:28:59 2023 -0400 drm/amd/display: Fixes for dcn32_clk_mgr implementation [ Upstream commit d1c5c3e252b8a911a524e6ee33b82aca81397745 ] [Why&How] Fix CLK MGR early initialization and add logging. Fixes: 265280b99822 ("drm/amd/display: add CLKMGR changes for DCN32/321") Reviewed-by: Leo Li <sunpeng.li@xxxxxxx> Reviewed-by: Qingqing Zhuo <qingqing.zhuo@xxxxxxx> Signed-off-by: Aurabindo Pillai <aurabindo.pillai@xxxxxxx> Tested-by: Daniel Wheeler <daniel.wheeler@xxxxxxx> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c index 9eb9fe5b8d2c5..1d84a04acb3f0 100644 --- a/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c +++ b/drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c @@ -756,6 +756,8 @@ void dcn32_clk_mgr_construct( struct pp_smu_funcs *pp_smu, struct dccg *dccg) { + struct clk_log_info log_info = {0}; + clk_mgr->base.ctx = ctx; clk_mgr->base.funcs = &dcn32_funcs; if (ASICREV_IS_GC_11_0_2(clk_mgr->base.ctx->asic_id.hw_internal_rev)) { @@ -789,6 +791,7 @@ void dcn32_clk_mgr_construct( clk_mgr->base.clks.ref_dtbclk_khz = 268750; } + /* integer part is now VCO frequency in kHz */ clk_mgr->base.dentist_vco_freq_khz = dcn32_get_vco_frequency_from_reg(clk_mgr); @@ -796,6 +799,8 @@ void dcn32_clk_mgr_construct( if (clk_mgr->base.dentist_vco_freq_khz == 0) clk_mgr->base.dentist_vco_freq_khz = 4300000; /* Updated as per HW docs */ + dcn32_dump_clk_registers(&clk_mgr->base.boot_snapshot, &clk_mgr->base, &log_info); + if (ctx->dc->debug.disable_dtb_ref_clk_switch && clk_mgr->base.clks.ref_dtbclk_khz != clk_mgr->base.boot_snapshot.dtbclk) { clk_mgr->base.clks.ref_dtbclk_khz = clk_mgr->base.boot_snapshot.dtbclk;