diff options
Diffstat (limited to 'drivers/clk/mediatek/clk-mt8188-topckgen.c')
-rw-r--r-- | drivers/clk/mediatek/clk-mt8188-topckgen.c | 27 |
1 files changed, 14 insertions, 13 deletions
diff --git a/drivers/clk/mediatek/clk-mt8188-topckgen.c b/drivers/clk/mediatek/clk-mt8188-topckgen.c index e330a4f9a0..f7ec599b20 100644 --- a/drivers/clk/mediatek/clk-mt8188-topckgen.c +++ b/drivers/clk/mediatek/clk-mt8188-topckgen.c @@ -475,29 +475,28 @@ static const char * const sspm_parents[] = { "mainpll_d4_d2" }; +/* + * Both DP/eDP can be parented to TVDPLL1 and TVDPLL2, but we force using + * TVDPLL1 on eDP and TVDPLL2 on DP to avoid changing the "other" PLL rate + * in dual output case, which would lead to corruption of functionality loss. + */ static const char * const dp_parents[] = { "clk26m", - "tvdpll1_d2", "tvdpll2_d2", - "tvdpll1_d4", "tvdpll2_d4", - "tvdpll1_d8", "tvdpll2_d8", - "tvdpll1_d16", "tvdpll2_d16" }; +static const u8 dp_parents_idx[] = { 0, 2, 4, 6, 8 }; static const char * const edp_parents[] = { "clk26m", "tvdpll1_d2", - "tvdpll2_d2", "tvdpll1_d4", - "tvdpll2_d4", "tvdpll1_d8", - "tvdpll2_d8", - "tvdpll1_d16", - "tvdpll2_d16" + "tvdpll1_d16" }; +static const u8 edp_parents_idx[] = { 0, 1, 3, 5, 7 }; static const char * const dpi_parents[] = { "clk26m", @@ -1038,10 +1037,12 @@ static const struct mtk_mux top_mtk_muxes[] = { MUX_GATE_CLR_SET_UPD(CLK_TOP_SSPM, "top_sspm", sspm_parents, 0x080, 0x084, 0x088, 24, 4, 31, 0x08, 3), /* CLK_CFG_9 */ - MUX_GATE_CLR_SET_UPD(CLK_TOP_DP, "top_dp", - dp_parents, 0x08C, 0x090, 0x094, 0, 4, 7, 0x08, 4), - MUX_GATE_CLR_SET_UPD(CLK_TOP_EDP, "top_edp", - edp_parents, 0x08C, 0x090, 0x094, 8, 4, 15, 0x08, 5), + MUX_GATE_CLR_SET_UPD_INDEXED(CLK_TOP_DP, "top_dp", + dp_parents, dp_parents_idx, 0x08C, 0x090, 0x094, + 0, 4, 7, 0x08, 4), + MUX_GATE_CLR_SET_UPD_INDEXED(CLK_TOP_EDP, "top_edp", + edp_parents, edp_parents_idx, 0x08C, 0x090, 0x094, + 8, 4, 15, 0x08, 5), MUX_GATE_CLR_SET_UPD(CLK_TOP_DPI, "top_dpi", dpi_parents, 0x08C, 0x090, 0x094, 16, 4, 23, 0x08, 6), MUX_GATE_CLR_SET_UPD(CLK_TOP_DISP_PWM0, "top_disp_pwm0", |