diff options
author | AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> | 2022-10-24 12:23:04 +0200 |
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committer | Chen-Yu Tsai <wenst@chromium.org> | 2022-11-29 07:42:41 +0100 |
commit | b56603285f7e323591267bec9a9d6950e9bdb7cb (patch) | |
tree | bc34875730e5b5a6108ac31a5bb46375e0ddc069 | |
parent | clk: mediatek: mt6795-topckgen: Drop flags for main/sys/univpll fixed factors (diff) | |
download | linux-b56603285f7e323591267bec9a9d6950e9bdb7cb.tar.xz linux-b56603285f7e323591267bec9a9d6950e9bdb7cb.zip |
clk: mediatek: mt8192: Drop flags for main/univpll fixed factors
The main/univpll clocks are used as clock sources for multiple
peripherals of different kind, some of which are critical (like AXIs);
a rate change on any of these two will produce a rate change on many
devices and that's likely to produce system instability if not done
correctly: this is the reason why we have (a lot of) "fixed factor"
main/univpll divider clocks, used by MUX clocks to provide different
rates based on PLL output dividers.
Following what was done on clk-mt8186-topckgen and also preventing the
same GPU DVFS issue, drop CLK_SET_RATE_PARENT from the aforementioned
clocks.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Chen-Yu Tsai <wenst@chromium.org>
Link: https://lore.kernel.org/r/20221024102307.33722-8-angelogioacchino.delregno@collabora.com
Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
-rw-r--r-- | drivers/clk/mediatek/clk-mt8192.c | 76 |
1 files changed, 38 insertions, 38 deletions
diff --git a/drivers/clk/mediatek/clk-mt8192.c b/drivers/clk/mediatek/clk-mt8192.c index d0f226931070..0e88588b2c49 100644 --- a/drivers/clk/mediatek/clk-mt8192.c +++ b/drivers/clk/mediatek/clk-mt8192.c @@ -31,38 +31,38 @@ static const struct mtk_fixed_factor top_early_divs[] = { }; static const struct mtk_fixed_factor top_divs[] = { - FACTOR(CLK_TOP_MAINPLL_D3, "mainpll_d3", "mainpll", 1, 3), - FACTOR(CLK_TOP_MAINPLL_D4, "mainpll_d4", "mainpll", 1, 4), - FACTOR(CLK_TOP_MAINPLL_D4_D2, "mainpll_d4_d2", "mainpll_d4", 1, 2), - FACTOR(CLK_TOP_MAINPLL_D4_D4, "mainpll_d4_d4", "mainpll_d4", 1, 4), - FACTOR(CLK_TOP_MAINPLL_D4_D8, "mainpll_d4_d8", "mainpll_d4", 1, 8), - FACTOR(CLK_TOP_MAINPLL_D4_D16, "mainpll_d4_d16", "mainpll_d4", 1, 16), - FACTOR(CLK_TOP_MAINPLL_D5, "mainpll_d5", "mainpll", 1, 5), - FACTOR(CLK_TOP_MAINPLL_D5_D2, "mainpll_d5_d2", "mainpll_d5", 1, 2), - FACTOR(CLK_TOP_MAINPLL_D5_D4, "mainpll_d5_d4", "mainpll_d5", 1, 4), - FACTOR(CLK_TOP_MAINPLL_D5_D8, "mainpll_d5_d8", "mainpll_d5", 1, 8), - FACTOR(CLK_TOP_MAINPLL_D6, "mainpll_d6", "mainpll", 1, 6), - FACTOR(CLK_TOP_MAINPLL_D6_D2, "mainpll_d6_d2", "mainpll_d6", 1, 2), - FACTOR(CLK_TOP_MAINPLL_D6_D4, "mainpll_d6_d4", "mainpll_d6", 1, 4), - FACTOR(CLK_TOP_MAINPLL_D7, "mainpll_d7", "mainpll", 1, 7), - FACTOR(CLK_TOP_MAINPLL_D7_D2, "mainpll_d7_d2", "mainpll_d7", 1, 2), - FACTOR(CLK_TOP_MAINPLL_D7_D4, "mainpll_d7_d4", "mainpll_d7", 1, 4), - FACTOR(CLK_TOP_MAINPLL_D7_D8, "mainpll_d7_d8", "mainpll_d7", 1, 8), - FACTOR(CLK_TOP_UNIVPLL_D3, "univpll_d3", "univpll", 1, 3), - FACTOR(CLK_TOP_UNIVPLL_D4, "univpll_d4", "univpll", 1, 4), - FACTOR(CLK_TOP_UNIVPLL_D4_D2, "univpll_d4_d2", "univpll_d4", 1, 2), - FACTOR(CLK_TOP_UNIVPLL_D4_D4, "univpll_d4_d4", "univpll_d4", 1, 4), - FACTOR(CLK_TOP_UNIVPLL_D4_D8, "univpll_d4_d8", "univpll_d4", 1, 8), - FACTOR(CLK_TOP_UNIVPLL_D5, "univpll_d5", "univpll", 1, 5), - FACTOR(CLK_TOP_UNIVPLL_D5_D2, "univpll_d5_d2", "univpll_d5", 1, 2), - FACTOR(CLK_TOP_UNIVPLL_D5_D4, "univpll_d5_d4", "univpll_d5", 1, 4), - FACTOR(CLK_TOP_UNIVPLL_D5_D8, "univpll_d5_d8", "univpll_d5", 1, 8), - FACTOR(CLK_TOP_UNIVPLL_D6, "univpll_d6", "univpll", 1, 6), - FACTOR(CLK_TOP_UNIVPLL_D6_D2, "univpll_d6_d2", "univpll_d6", 1, 2), - FACTOR(CLK_TOP_UNIVPLL_D6_D4, "univpll_d6_d4", "univpll_d6", 1, 4), - FACTOR(CLK_TOP_UNIVPLL_D6_D8, "univpll_d6_d8", "univpll_d6", 1, 8), - FACTOR(CLK_TOP_UNIVPLL_D6_D16, "univpll_d6_d16", "univpll_d6", 1, 16), - FACTOR(CLK_TOP_UNIVPLL_D7, "univpll_d7", "univpll", 1, 7), + FACTOR_FLAGS(CLK_TOP_MAINPLL_D3, "mainpll_d3", "mainpll", 1, 3, 0), + FACTOR_FLAGS(CLK_TOP_MAINPLL_D4, "mainpll_d4", "mainpll", 1, 4, 0), + FACTOR_FLAGS(CLK_TOP_MAINPLL_D4_D2, "mainpll_d4_d2", "mainpll_d4", 1, 2, 0), + FACTOR_FLAGS(CLK_TOP_MAINPLL_D4_D4, "mainpll_d4_d4", "mainpll_d4", 1, 4, 0), + FACTOR_FLAGS(CLK_TOP_MAINPLL_D4_D8, "mainpll_d4_d8", "mainpll_d4", 1, 8, 0), + FACTOR_FLAGS(CLK_TOP_MAINPLL_D4_D16, "mainpll_d4_d16", "mainpll_d4", 1, 16, 0), + FACTOR_FLAGS(CLK_TOP_MAINPLL_D5, "mainpll_d5", "mainpll", 1, 5, 0), + FACTOR_FLAGS(CLK_TOP_MAINPLL_D5_D2, "mainpll_d5_d2", "mainpll_d5", 1, 2, 0), + FACTOR_FLAGS(CLK_TOP_MAINPLL_D5_D4, "mainpll_d5_d4", "mainpll_d5", 1, 4, 0), + FACTOR_FLAGS(CLK_TOP_MAINPLL_D5_D8, "mainpll_d5_d8", "mainpll_d5", 1, 8, 0), + FACTOR_FLAGS(CLK_TOP_MAINPLL_D6, "mainpll_d6", "mainpll", 1, 6, 0), + FACTOR_FLAGS(CLK_TOP_MAINPLL_D6_D2, "mainpll_d6_d2", "mainpll_d6", 1, 2, 0), + FACTOR_FLAGS(CLK_TOP_MAINPLL_D6_D4, "mainpll_d6_d4", "mainpll_d6", 1, 4, 0), + FACTOR_FLAGS(CLK_TOP_MAINPLL_D7, "mainpll_d7", "mainpll", 1, 7, 0), + FACTOR_FLAGS(CLK_TOP_MAINPLL_D7_D2, "mainpll_d7_d2", "mainpll_d7", 1, 2, 0), + FACTOR_FLAGS(CLK_TOP_MAINPLL_D7_D4, "mainpll_d7_d4", "mainpll_d7", 1, 4, 0), + FACTOR_FLAGS(CLK_TOP_MAINPLL_D7_D8, "mainpll_d7_d8", "mainpll_d7", 1, 8, 0), + FACTOR_FLAGS(CLK_TOP_UNIVPLL_D3, "univpll_d3", "univpll", 1, 3, 0), + FACTOR_FLAGS(CLK_TOP_UNIVPLL_D4, "univpll_d4", "univpll", 1, 4, 0), + FACTOR_FLAGS(CLK_TOP_UNIVPLL_D4_D2, "univpll_d4_d2", "univpll_d4", 1, 2, 0), + FACTOR_FLAGS(CLK_TOP_UNIVPLL_D4_D4, "univpll_d4_d4", "univpll_d4", 1, 4, 0), + FACTOR_FLAGS(CLK_TOP_UNIVPLL_D4_D8, "univpll_d4_d8", "univpll_d4", 1, 8, 0), + FACTOR_FLAGS(CLK_TOP_UNIVPLL_D5, "univpll_d5", "univpll", 1, 5, 0), + FACTOR_FLAGS(CLK_TOP_UNIVPLL_D5_D2, "univpll_d5_d2", "univpll_d5", 1, 2, 0), + FACTOR_FLAGS(CLK_TOP_UNIVPLL_D5_D4, "univpll_d5_d4", "univpll_d5", 1, 4, 0), + FACTOR_FLAGS(CLK_TOP_UNIVPLL_D5_D8, "univpll_d5_d8", "univpll_d5", 1, 8, 0), + FACTOR_FLAGS(CLK_TOP_UNIVPLL_D6, "univpll_d6", "univpll", 1, 6, 0), + FACTOR_FLAGS(CLK_TOP_UNIVPLL_D6_D2, "univpll_d6_d2", "univpll_d6", 1, 2, 0), + FACTOR_FLAGS(CLK_TOP_UNIVPLL_D6_D4, "univpll_d6_d4", "univpll_d6", 1, 4, 0), + FACTOR_FLAGS(CLK_TOP_UNIVPLL_D6_D8, "univpll_d6_d8", "univpll_d6", 1, 8, 0), + FACTOR_FLAGS(CLK_TOP_UNIVPLL_D6_D16, "univpll_d6_d16", "univpll_d6", 1, 16, 0), + FACTOR_FLAGS(CLK_TOP_UNIVPLL_D7, "univpll_d7", "univpll", 1, 7, 0), FACTOR(CLK_TOP_APLL1, "apll1_ck", "apll1", 1, 1), FACTOR(CLK_TOP_APLL1_D2, "apll1_d2", "apll1", 1, 2), FACTOR(CLK_TOP_APLL1_D4, "apll1_d4", "apll1", 1, 4), @@ -96,12 +96,12 @@ static const struct mtk_fixed_factor top_divs[] = { FACTOR(CLK_TOP_OSC_D16, "osc_d16", "ulposc", 1, 16), FACTOR(CLK_TOP_OSC_D20, "osc_d20", "ulposc", 1, 20), FACTOR(CLK_TOP_ADSPPLL, "adsppll_ck", "adsppll", 1, 1), - FACTOR(CLK_TOP_UNIVPLL_192M, "univpll_192m", "univpll", 1, 13), - FACTOR(CLK_TOP_UNIVPLL_192M_D2, "univpll_192m_d2", "univpll_192m", 1, 2), - FACTOR(CLK_TOP_UNIVPLL_192M_D4, "univpll_192m_d4", "univpll_192m", 1, 4), - FACTOR(CLK_TOP_UNIVPLL_192M_D8, "univpll_192m_d8", "univpll_192m", 1, 8), - FACTOR(CLK_TOP_UNIVPLL_192M_D16, "univpll_192m_d16", "univpll_192m", 1, 16), - FACTOR(CLK_TOP_UNIVPLL_192M_D32, "univpll_192m_d32", "univpll_192m", 1, 32), + FACTOR_FLAGS(CLK_TOP_UNIVPLL_192M, "univpll_192m", "univpll", 1, 13, 0), + FACTOR_FLAGS(CLK_TOP_UNIVPLL_192M_D2, "univpll_192m_d2", "univpll_192m", 1, 2, 0), + FACTOR_FLAGS(CLK_TOP_UNIVPLL_192M_D4, "univpll_192m_d4", "univpll_192m", 1, 4, 0), + FACTOR_FLAGS(CLK_TOP_UNIVPLL_192M_D8, "univpll_192m_d8", "univpll_192m", 1, 8, 0), + FACTOR_FLAGS(CLK_TOP_UNIVPLL_192M_D16, "univpll_192m_d16", "univpll_192m", 1, 16, 0), + FACTOR_FLAGS(CLK_TOP_UNIVPLL_192M_D32, "univpll_192m_d32", "univpll_192m", 1, 32, 0), }; static const char * const axi_parents[] = { |