From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Wangyan Wang <wangyan.wang@mediatek.com>,
CK Hu <ck.hu@mediatek.com>, Sasha Levin <sashal@kernel.org>,
dri-devel@lists.freedesktop.org
Subject: [PATCH AUTOSEL 5.0 56/79] drm/mediatek: make implementation of recalc_rate() for MT2701 hdmi phy
Date: Fri, 26 Apr 2019 21:38:15 -0400 [thread overview]
Message-ID: <20190427013838.6596-56-sashal@kernel.org> (raw)
In-Reply-To: <20190427013838.6596-1-sashal@kernel.org>
From: Wangyan Wang <wangyan.wang@mediatek.com>
[ Upstream commit 321b628e6f5a3af999f75eadd373adbcb8b4cb1f ]
Recalculate the rate of this clock, by querying hardware to
make implementation of recalc_rate() to match the definition.
Signed-off-by: Wangyan Wang <wangyan.wang@mediatek.com>
Signed-off-by: CK Hu <ck.hu@mediatek.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/gpu/drm/mediatek/mtk_hdmi_phy.c | 8 ----
drivers/gpu/drm/mediatek/mtk_hdmi_phy.h | 2 -
.../gpu/drm/mediatek/mtk_mt2701_hdmi_phy.c | 38 +++++++++++++++++--
.../gpu/drm/mediatek/mtk_mt8173_hdmi_phy.c | 8 ++++
4 files changed, 42 insertions(+), 14 deletions(-)
diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi_phy.c b/drivers/gpu/drm/mediatek/mtk_hdmi_phy.c
index 4ef9c57ffd44..efc400ebbb90 100644
--- a/drivers/gpu/drm/mediatek/mtk_hdmi_phy.c
+++ b/drivers/gpu/drm/mediatek/mtk_hdmi_phy.c
@@ -29,14 +29,6 @@ long mtk_hdmi_pll_round_rate(struct clk_hw *hw, unsigned long rate,
return rate;
}
-unsigned long mtk_hdmi_pll_recalc_rate(struct clk_hw *hw,
- unsigned long parent_rate)
-{
- struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw);
-
- return hdmi_phy->pll_rate;
-}
-
void mtk_hdmi_phy_clear_bits(struct mtk_hdmi_phy *hdmi_phy, u32 offset,
u32 bits)
{
diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi_phy.h b/drivers/gpu/drm/mediatek/mtk_hdmi_phy.h
index f39b1fc66612..71430691ffe4 100644
--- a/drivers/gpu/drm/mediatek/mtk_hdmi_phy.h
+++ b/drivers/gpu/drm/mediatek/mtk_hdmi_phy.h
@@ -50,8 +50,6 @@ void mtk_hdmi_phy_mask(struct mtk_hdmi_phy *hdmi_phy, u32 offset,
struct mtk_hdmi_phy *to_mtk_hdmi_phy(struct clk_hw *hw);
long mtk_hdmi_pll_round_rate(struct clk_hw *hw, unsigned long rate,
unsigned long *parent_rate);
-unsigned long mtk_hdmi_pll_recalc_rate(struct clk_hw *hw,
- unsigned long parent_rate);
extern struct platform_driver mtk_hdmi_phy_driver;
extern struct mtk_hdmi_phy_conf mtk_hdmi_phy_8173_conf;
diff --git a/drivers/gpu/drm/mediatek/mtk_mt2701_hdmi_phy.c b/drivers/gpu/drm/mediatek/mtk_mt2701_hdmi_phy.c
index 0746fc887706..feb6a7ed63d1 100644
--- a/drivers/gpu/drm/mediatek/mtk_mt2701_hdmi_phy.c
+++ b/drivers/gpu/drm/mediatek/mtk_mt2701_hdmi_phy.c
@@ -79,7 +79,6 @@ static int mtk_hdmi_pll_prepare(struct clk_hw *hw)
mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SLDO_MASK);
usleep_range(80, 100);
mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_MBIAS_LPF_EN);
- mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_TX_POSDIV);
mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SER_MASK);
mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_PRED_MASK);
mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_DRV_MASK);
@@ -94,7 +93,6 @@ static void mtk_hdmi_pll_unprepare(struct clk_hw *hw)
mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_DRV_MASK);
mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_PRED_MASK);
mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SER_MASK);
- mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_TX_POSDIV);
mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_MBIAS_LPF_EN);
usleep_range(80, 100);
mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SLDO_MASK);
@@ -123,6 +121,7 @@ static int mtk_hdmi_pll_set_rate(struct clk_hw *hw, unsigned long rate,
mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON6, RG_HTPLL_PREDIV_MASK);
mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON6, RG_HTPLL_POSDIV_MASK);
+ mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_TX_POSDIV);
mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON6, (0x1 << RG_HTPLL_IC),
RG_HTPLL_IC_MASK);
mtk_hdmi_phy_mask(hdmi_phy, HDMI_CON6, (0x1 << RG_HTPLL_IR),
@@ -154,6 +153,39 @@ static int mtk_hdmi_pll_set_rate(struct clk_hw *hw, unsigned long rate,
return 0;
}
+static unsigned long mtk_hdmi_pll_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw);
+ unsigned long out_rate, val;
+
+ val = (readl(hdmi_phy->regs + HDMI_CON6)
+ & RG_HTPLL_PREDIV_MASK) >> RG_HTPLL_PREDIV;
+ switch (val) {
+ case 0x00:
+ out_rate = parent_rate;
+ break;
+ case 0x01:
+ out_rate = parent_rate / 2;
+ break;
+ default:
+ out_rate = parent_rate / 4;
+ break;
+ }
+
+ val = (readl(hdmi_phy->regs + HDMI_CON6)
+ & RG_HTPLL_FBKDIV_MASK) >> RG_HTPLL_FBKDIV;
+ out_rate *= (val + 1) * 2;
+ val = (readl(hdmi_phy->regs + HDMI_CON2)
+ & RG_HDMITX_TX_POSDIV_MASK);
+ out_rate >>= (val >> RG_HDMITX_TX_POSDIV);
+
+ if (readl(hdmi_phy->regs + HDMI_CON2) & RG_HDMITX_EN_TX_POSDIV)
+ out_rate /= 5;
+
+ return out_rate;
+}
+
static const struct clk_ops mtk_hdmi_phy_pll_ops = {
.prepare = mtk_hdmi_pll_prepare,
.unprepare = mtk_hdmi_pll_unprepare,
@@ -174,7 +206,6 @@ static void mtk_hdmi_phy_enable_tmds(struct mtk_hdmi_phy *hdmi_phy)
mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SLDO_MASK);
usleep_range(80, 100);
mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_MBIAS_LPF_EN);
- mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_TX_POSDIV);
mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SER_MASK);
mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_PRED_MASK);
mtk_hdmi_phy_set_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_DRV_MASK);
@@ -186,7 +217,6 @@ static void mtk_hdmi_phy_disable_tmds(struct mtk_hdmi_phy *hdmi_phy)
mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_DRV_MASK);
mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_PRED_MASK);
mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SER_MASK);
- mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_EN_TX_POSDIV);
mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON2, RG_HDMITX_MBIAS_LPF_EN);
usleep_range(80, 100);
mtk_hdmi_phy_clear_bits(hdmi_phy, HDMI_CON0, RG_HDMITX_EN_SLDO_MASK);
diff --git a/drivers/gpu/drm/mediatek/mtk_mt8173_hdmi_phy.c b/drivers/gpu/drm/mediatek/mtk_mt8173_hdmi_phy.c
index ed5916b27658..83662a208491 100644
--- a/drivers/gpu/drm/mediatek/mtk_mt8173_hdmi_phy.c
+++ b/drivers/gpu/drm/mediatek/mtk_mt8173_hdmi_phy.c
@@ -285,6 +285,14 @@ static int mtk_hdmi_pll_set_rate(struct clk_hw *hw, unsigned long rate,
return 0;
}
+static unsigned long mtk_hdmi_pll_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ struct mtk_hdmi_phy *hdmi_phy = to_mtk_hdmi_phy(hw);
+
+ return hdmi_phy->pll_rate;
+}
+
static const struct clk_ops mtk_hdmi_phy_pll_ops = {
.prepare = mtk_hdmi_pll_prepare,
.unprepare = mtk_hdmi_pll_unprepare,
--
2.19.1
next prev parent reply other threads:[~2019-04-27 1:53 UTC|newest]
Thread overview: 83+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-27 1:37 [PATCH AUTOSEL 5.0 01/79] ASoC: tlv320aic3x: fix reset gpio reference counting Sasha Levin
2019-04-27 1:37 ` [PATCH AUTOSEL 5.0 02/79] ASoC: hdmi-codec: fix S/PDIF DAI Sasha Levin
2019-04-27 1:37 ` [PATCH AUTOSEL 5.0 03/79] ASoC: ab8500: Mark expected switch fall-through Sasha Levin
2019-04-27 17:14 ` Mark Brown
2019-04-27 17:31 ` Gustavo A. R. Silva
2019-04-27 18:00 ` Mark Brown
2019-04-28 1:06 ` Sasha Levin
2019-04-27 1:37 ` [PATCH AUTOSEL 5.0 04/79] ASoC: stm32: sai: fix iec958 controls indexation Sasha Levin
2019-04-27 1:37 ` [PATCH AUTOSEL 5.0 05/79] ASoC: stm32: sai: fix exposed capabilities in spdif mode Sasha Levin
2019-04-27 1:37 ` [PATCH AUTOSEL 5.0 06/79] ASoC: stm32: sai: fix race condition in irq handler Sasha Levin
2019-04-27 1:37 ` [PATCH AUTOSEL 5.0 07/79] ASoC:soc-pcm:fix a codec fixup issue in TDM case Sasha Levin
2019-04-27 1:37 ` [PATCH AUTOSEL 5.0 08/79] ASoC:hdac_hda:use correct format to setup hda codec Sasha Levin
2019-04-27 1:37 ` [PATCH AUTOSEL 5.0 09/79] ASoC:intel:skl:fix a simultaneous playback & capture issue on hda platform Sasha Levin
2019-04-27 1:37 ` [PATCH AUTOSEL 5.0 10/79] ASoC: dpcm: prevent snd_soc_dpcm use after free Sasha Levin
2019-04-27 1:37 ` [PATCH AUTOSEL 5.0 11/79] ASoC: nau8824: fix the issue of the widget with prefix name Sasha Levin
2019-04-27 1:37 ` [PATCH AUTOSEL 5.0 12/79] ASoC: nau8810: fix the issue of widget with prefixed name Sasha Levin
2019-04-27 1:37 ` [PATCH AUTOSEL 5.0 13/79] ASoC: samsung: odroid: Fix clock configuration for 44100 sample rate Sasha Levin
2019-04-27 1:37 ` [PATCH AUTOSEL 5.0 14/79] ASoC: rt5682: Check JD status when system resume Sasha Levin
2019-04-27 1:37 ` [PATCH AUTOSEL 5.0 15/79] ASoC: rt5682: fix jack type detection issue Sasha Levin
2019-04-27 1:37 ` [PATCH AUTOSEL 5.0 16/79] ASoC: rt5682: recording has no sound after booting Sasha Levin
2019-04-27 1:37 ` [PATCH AUTOSEL 5.0 17/79] ASoC: wm_adsp: Add locking to wm_adsp2_bus_error Sasha Levin
2019-04-27 1:37 ` [PATCH AUTOSEL 5.0 18/79] clk: meson-gxbb: round the vdec dividers to closest Sasha Levin
2019-04-27 1:37 ` [PATCH AUTOSEL 5.0 19/79] ASoC: stm32: dfsdm: manage multiple prepare Sasha Levin
2019-04-27 1:37 ` [PATCH AUTOSEL 5.0 20/79] ASoC: stm32: dfsdm: fix debugfs warnings on entry creation Sasha Levin
2019-04-27 1:37 ` [PATCH AUTOSEL 5.0 21/79] ASoC: cs4270: Set auto-increment bit for register writes Sasha Levin
2019-04-27 1:37 ` [PATCH AUTOSEL 5.0 22/79] ASoC: dapm: Fix NULL pointer dereference in snd_soc_dapm_free_kcontrol Sasha Levin
2019-04-27 1:37 ` [PATCH AUTOSEL 5.0 23/79] drm/omap: hdmi4_cec: Fix CEC clock handling for PM Sasha Levin
2019-04-27 1:37 ` [PATCH AUTOSEL 5.0 24/79] IB/hfi1: Clear the IOWAIT pending bits when QP is put into error state Sasha Levin
2019-04-27 1:37 ` [PATCH AUTOSEL 5.0 25/79] IB/hfi1: Eliminate opcode tests on mr deref Sasha Levin
2019-04-27 1:37 ` [PATCH AUTOSEL 5.0 26/79] IB/hfi1: Fix the allocation of RSM table Sasha Levin
2019-04-27 1:37 ` [PATCH AUTOSEL 5.0 27/79] MIPS: KGDB: fix kgdb support for SMP platforms Sasha Levin
2019-04-27 1:37 ` [PATCH AUTOSEL 5.0 28/79] ASoC: tlv320aic32x4: Fix Common Pins Sasha Levin
2019-04-27 1:37 ` [PATCH AUTOSEL 5.0 29/79] drm/mediatek: Fix an error code in mtk_hdmi_dt_parse_pdata() Sasha Levin
2019-04-27 1:37 ` [PATCH AUTOSEL 5.0 30/79] ASoC: dpcm: skip missing substream while applying symmetry Sasha Levin
2019-04-27 1:37 ` [PATCH AUTOSEL 5.0 31/79] perf/x86/intel: Fix handling of wakeup_events for multi-entry PEBS Sasha Levin
2019-04-27 1:37 ` [PATCH AUTOSEL 5.0 32/79] perf/x86/intel: Initialize TFA MSR Sasha Levin
2019-04-27 1:37 ` [PATCH AUTOSEL 5.0 33/79] linux/kernel.h: Use parentheses around argument in u64_to_user_ptr() Sasha Levin
2019-04-27 1:37 ` [PATCH AUTOSEL 5.0 34/79] ALSA: hda/realtek - Move to ACT_INIT state Sasha Levin
2019-04-27 1:37 ` [PATCH AUTOSEL 5.0 35/79] iov_iter: Fix build error without CONFIG_CRYPTO Sasha Levin
2019-04-27 1:37 ` [PATCH AUTOSEL 5.0 36/79] xtensa: fix initialization of pt_regs::syscall in start_thread Sasha Levin
2019-04-27 1:37 ` [PATCH AUTOSEL 5.0 37/79] ASoC: rockchip: pdm: fix regmap_ops hang issue Sasha Levin
2019-04-27 1:37 ` [PATCH AUTOSEL 5.0 38/79] drm/amdkfd: Add picasso pci id Sasha Levin
2019-04-27 1:37 ` [PATCH AUTOSEL 5.0 39/79] drm/amdgpu: Adjust IB test timeout for XGMI configuration Sasha Levin
2019-04-27 1:37 ` [PATCH AUTOSEL 5.0 40/79] drm/amdgpu: amdgpu_device_recover_vram always failed if only one node in shadow_list Sasha Levin
2019-04-27 1:38 ` [PATCH AUTOSEL 5.0 41/79] drm/amd/display: fix cursor black issue Sasha Levin
2019-04-27 1:38 ` [PATCH AUTOSEL 5.0 42/79] ASoC: cs35l35: Disable regulators on driver removal Sasha Levin
2019-04-27 1:38 ` [PATCH AUTOSEL 5.0 43/79] objtool: Add rewind_stack_do_exit() to the noreturn list Sasha Levin
2019-04-27 1:38 ` [PATCH AUTOSEL 5.0 44/79] powerpc/vdso32: fix CLOCK_MONOTONIC on PPC64 Sasha Levin
2019-04-27 1:38 ` [PATCH AUTOSEL 5.0 45/79] slab: fix a crash by reading /proc/slab_allocators Sasha Levin
2019-04-27 1:38 ` [PATCH AUTOSEL 5.0 46/79] ASoC: stm32: fix sai driver name initialisation Sasha Levin
2019-04-27 1:38 ` [PATCH AUTOSEL 5.0 47/79] drm/sun4i: tcon top: Fix NULL/invalid pointer dereference in sun8i_tcon_top_un/bind Sasha Levin
2019-04-27 1:38 ` [PATCH AUTOSEL 5.0 48/79] virtio_pci: fix a NULL pointer reference in vp_del_vqs Sasha Levin
2019-04-27 1:38 ` [PATCH AUTOSEL 5.0 49/79] RDMA/vmw_pvrdma: Fix memory leak on pvrdma_pci_remove Sasha Levin
2019-04-27 1:38 ` [PATCH AUTOSEL 5.0 50/79] RDMA/hns: Fix bug that caused srq creation to fail Sasha Levin
2019-04-27 1:38 ` [PATCH AUTOSEL 5.0 51/79] tpm: fix an invalid condition in tpm_common_poll Sasha Levin
2019-04-27 1:38 ` [PATCH AUTOSEL 5.0 52/79] KEYS: trusted: fix -Wvarags warning Sasha Levin
2019-04-27 1:38 ` [PATCH AUTOSEL 5.0 53/79] scsi: csiostor: fix missing data copy in csio_scsi_err_handler() Sasha Levin
2019-04-27 1:38 ` [PATCH AUTOSEL 5.0 54/79] drm/mediatek: fix possible object reference leak Sasha Levin
2019-04-27 1:38 ` [PATCH AUTOSEL 5.0 55/79] drm/mediatek: fix the rate and divder of hdmi phy for MT2701 Sasha Levin
2019-04-27 1:38 ` Sasha Levin [this message]
2019-04-27 1:38 ` [PATCH AUTOSEL 5.0 57/79] drm/mediatek: remove flag CLK_SET_RATE_PARENT for MT2701 hdmi phy Sasha Levin
2019-04-27 1:38 ` [PATCH AUTOSEL 5.0 58/79] drm/mediatek: using new factor for tvdpll " Sasha Levin
2019-04-27 1:38 ` [PATCH AUTOSEL 5.0 59/79] drm/mediatek: no change parent rate in round_rate() " Sasha Levin
2019-04-27 1:38 ` [PATCH AUTOSEL 5.0 60/79] Bluetooth: btusb: request wake pin with NOAUTOEN Sasha Levin
2019-04-27 1:38 ` [PATCH AUTOSEL 5.0 61/79] ASoC: Intel: kbl: fix wrong number of channels Sasha Levin
2019-04-27 1:38 ` [PATCH AUTOSEL 5.0 62/79] ASoC: stm32: sai: fix master clock management Sasha Levin
2019-04-27 1:38 ` [PATCH AUTOSEL 5.0 63/79] ALSA: hda: Fix racy display power access Sasha Levin
2019-04-27 1:38 ` [PATCH AUTOSEL 5.0 64/79] block, bfq: fix use after free in bfq_bfqq_expire Sasha Levin
2019-04-27 1:38 ` [PATCH AUTOSEL 5.0 65/79] virtio-blk: limit number of hw queues by nr_cpu_ids Sasha Levin
2019-04-27 1:38 ` [PATCH AUTOSEL 5.0 66/79] blk-mq: introduce blk_mq_complete_request_sync() Sasha Levin
2019-04-27 1:38 ` [PATCH AUTOSEL 5.0 67/79] nvme: cancel request synchronously Sasha Levin
2019-04-27 1:38 ` [PATCH AUTOSEL 5.0 68/79] clk: x86: Add system specific quirk to mark clocks as critical Sasha Levin
2019-04-27 1:38 ` [PATCH AUTOSEL 5.0 69/79] nvme-fc: correct csn initialization and increments on error Sasha Levin
2019-04-27 1:38 ` [PATCH AUTOSEL 5.0 70/79] nvmet: fix discover log page when offsets are used Sasha Levin
2019-04-27 1:38 ` [PATCH AUTOSEL 5.0 71/79] platform/x86: pmc_atom: Drop __initconst on dmi table Sasha Levin
2019-04-27 1:38 ` [PATCH AUTOSEL 5.0 72/79] NFS: Forbid setting AF_INET6 to "struct sockaddr_in"->sin_family Sasha Levin
2019-04-27 1:38 ` [PATCH AUTOSEL 5.0 73/79] NFSv4.1 fix incorrect return value in copy_file_range Sasha Levin
2019-04-27 1:38 ` [PATCH AUTOSEL 5.0 74/79] perf/core: Fix perf_event_disable_inatomic() race Sasha Levin
2019-04-27 1:38 ` [PATCH AUTOSEL 5.0 75/79] iommu/amd: Set exclusion range correctly Sasha Levin
2019-04-27 1:38 ` [PATCH AUTOSEL 5.0 76/79] mm: make page ref count overflow check tighter and more explicit Sasha Levin
2019-04-27 1:38 ` [PATCH AUTOSEL 5.0 77/79] mm: add 'try_get_page()' helper function Sasha Levin
2019-04-27 1:38 ` [PATCH AUTOSEL 5.0 78/79] mm: prevent get_user_pages() from overflowing page refcount Sasha Levin
2019-04-27 1:38 ` [PATCH AUTOSEL 5.0 79/79] fs: prevent page refcount overflow in pipe_buf_get Sasha Levin
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