From: Rex-BC Chen <rex-bc.chen@mediatek.com>
To: Guillaume Ranquet <granquet@baylibre.com>, <airlied@linux.ie>,
<angelogioacchino.delregno@collabora.com>,
<chunfeng.yun@mediatek.com>, <chunkuang.hu@kernel.org>,
<ck.hu@mediatek.com>, <daniel@ffwll.ch>, <deller@gmx.de>,
<jitao.shi@mediatek.com>, <kishon@ti.com>, <krzk+dt@kernel.org>,
<maarten.lankhorst@linux.intel.com>, <matthias.bgg@gmail.com>,
<mripard@kernel.org>, <p.zabel@pengutronix.de>,
<robh+dt@kernel.org>, <tzimmermann@suse.de>, <vkoul@kernel.org>
Cc: <devicetree@vger.kernel.org>, <dri-devel@lists.freedesktop.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-fbdev@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<linux-mediatek@lists.infradead.org>,
<linux-phy@lists.infradead.org>, <markyacoub@google.com>
Subject: Re: [PATCH v9 08/22] drm/mediatek: dpi: implement a CK/DE pol toggle in SoC config
Date: Mon, 28 Mar 2022 15:31:28 +0800 [thread overview]
Message-ID: <8c7d47869dc8a9e8580740fe25bb2fd289253a4d.camel@mediatek.com> (raw)
In-Reply-To: <20220327223927.20848-9-granquet@baylibre.com>
On Mon, 2022-03-28 at 00:39 +0200, Guillaume Ranquet wrote:
> Adds a bit of flexibility to support SoCs without CK/DE pol support
>
> Signed-off-by: Guillaume Ranquet <granquet@baylibre.com>
> Reviewed-by: AngeloGioacchino Del Regno <
> angelogioacchino.delregno@collabora.com>
> ---
> drivers/gpu/drm/mediatek/mtk_dpi.c | 22 +++++++++++++++++-----
> 1 file changed, 17 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c
> b/drivers/gpu/drm/mediatek/mtk_dpi.c
> index 4746eb342567..545a1337cc89 100644
> --- a/drivers/gpu/drm/mediatek/mtk_dpi.c
> +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c
> @@ -125,6 +125,7 @@ struct mtk_dpi_conf {
> bool edge_sel_en;
> const u32 *output_fmts;
> u32 num_output_fmts;
> + bool is_ck_de_pol;
> const struct mtk_dpi_yc_limit *limit;
> };
>
> @@ -211,13 +212,20 @@ static void mtk_dpi_config_pol(struct mtk_dpi
> *dpi,
> struct mtk_dpi_polarities *dpi_pol)
> {
> unsigned int pol;
> + unsigned int mask;
>
> - pol = (dpi_pol->ck_pol == MTK_DPI_POLARITY_RISING ? 0 : CK_POL)
> |
> - (dpi_pol->de_pol == MTK_DPI_POLARITY_RISING ? 0 : DE_POL)
> |
> - (dpi_pol->hsync_pol == MTK_DPI_POLARITY_RISING ? 0 :
> HSYNC_POL) |
> + mask = HSYNC_POL | VSYNC_POL;
> + pol = (dpi_pol->hsync_pol == MTK_DPI_POLARITY_RISING ? 0 :
> HSYNC_POL) |
> (dpi_pol->vsync_pol == MTK_DPI_POLARITY_RISING ? 0 :
> VSYNC_POL);
> - mtk_dpi_mask(dpi, DPI_OUTPUT_SETTING, pol,
> - CK_POL | DE_POL | HSYNC_POL | VSYNC_POL);
> + if (dpi->conf->is_ck_de_pol) {
> + mask |= CK_POL | DE_POL;
> + pol |= (dpi_pol->ck_pol == MTK_DPI_POLARITY_RISING ?
> + 0 : CK_POL) |
> + (dpi_pol->de_pol == MTK_DPI_POLARITY_RISING ?
> + 0 : DE_POL);
> + }
> +
> + mtk_dpi_mask(dpi, DPI_OUTPUT_SETTING, pol, mask);
> }
>
> static void mtk_dpi_config_3d(struct mtk_dpi *dpi, bool en_3d)
> @@ -799,6 +807,7 @@ static const struct mtk_dpi_conf mt8173_conf = {
> .max_clock_khz = 300000,
> .output_fmts = mt8173_output_fmts,
> .num_output_fmts = ARRAY_SIZE(mt8173_output_fmts),
> + .is_ck_de_pol = true,
> .limit = &mtk_dpi_limit,
> };
>
> @@ -809,6 +818,7 @@ static const struct mtk_dpi_conf mt2701_conf = {
> .max_clock_khz = 150000,
> .output_fmts = mt8173_output_fmts,
> .num_output_fmts = ARRAY_SIZE(mt8173_output_fmts),
> + .is_ck_de_pol = true,
> .limit = &mtk_dpi_limit,
> };
>
> @@ -818,6 +828,7 @@ static const struct mtk_dpi_conf mt8183_conf = {
> .max_clock_khz = 100000,
> .output_fmts = mt8183_output_fmts,
> .num_output_fmts = ARRAY_SIZE(mt8183_output_fmts),
> + .is_ck_de_pol = true,
> .limit = &mtk_dpi_limit,
> };
>
> @@ -827,6 +838,7 @@ static const struct mtk_dpi_conf mt8192_conf = {
> .max_clock_khz = 150000,
> .output_fmts = mt8173_output_fmts,
> .num_output_fmts = ARRAY_SIZE(mt8173_output_fmts),
> + .is_ck_de_pol = true,
> .limit = &mtk_dpi_limit,
> };
>
Reviewed-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
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next prev parent reply other threads:[~2022-03-28 7:31 UTC|newest]
Thread overview: 67+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-27 22:39 [PATCH 00/22] drm/mediatek: Add mt8195 DisplayPort driver Guillaume Ranquet
2022-03-27 22:39 ` [PATCH v9 01/22] dt-bindings: mediatek,dpi: Add DP_INTF compatible Guillaume Ranquet
2022-03-29 10:42 ` Matthias Brugger
2022-03-30 5:11 ` [PATCH v9 01/22] dt-bindings: mediatek, dpi: " Miles Chen
2022-04-22 10:57 ` [PATCH v9 01/22] dt-bindings: mediatek,dpi: " Maxime Ripard
2022-05-11 12:37 ` [PATCH v9 01/22] dt-bindings: mediatek, dpi: " Guillaume Ranquet
2022-03-27 22:39 ` [PATCH v9 02/22] dt-bindings: mediatek,dp: Add Display Port binding Guillaume Ranquet
2022-03-28 12:51 ` [PATCH v9 02/22] dt-bindings: mediatek, dp: " Rob Herring
2022-03-28 16:33 ` [PATCH v9 02/22] dt-bindings: mediatek,dp: " Rob Herring
2022-03-30 5:12 ` [PATCH v9 02/22] dt-bindings: mediatek, dp: " Miles Chen
2022-03-27 22:39 ` [PATCH v9 03/22] dt-bindings: mediatek, dp_phy: Add Display Port PHY binding Guillaume Ranquet
2022-03-29 22:58 ` [PATCH v9 03/22] dt-bindings: mediatek,dp_phy: " Rob Herring
2022-04-12 10:06 ` Guillaume Ranquet
2022-03-30 5:12 ` [PATCH v9 03/22] dt-bindings: mediatek, dp_phy: " Miles Chen
2022-03-27 22:39 ` [PATCH v9 04/22] drm/edid: Convert cea_sad helper struct to kernelDoc Guillaume Ranquet
2022-03-28 8:04 ` AngeloGioacchino Del Regno
2022-04-12 8:57 ` Guillaume Ranquet
2022-03-27 22:39 ` [PATCH v9 05/22] drm/edid: Add cea_sad helpers for freq/length Guillaume Ranquet
2022-03-27 22:39 ` [PATCH v9 06/22] video/hdmi: Add audio_infoframe packing for DP Guillaume Ranquet
2022-03-28 8:09 ` AngeloGioacchino Del Regno
2022-04-12 8:59 ` Guillaume Ranquet
2022-03-27 22:39 ` [PATCH v9 07/22] drm/mediatek: dpi: move dpi limits to SoC config Guillaume Ranquet
2022-03-28 7:18 ` Rex-BC Chen
2022-03-27 22:39 ` [PATCH v9 08/22] drm/mediatek: dpi: implement a CK/DE pol toggle in " Guillaume Ranquet
2022-03-28 7:31 ` Rex-BC Chen [this message]
2022-03-27 22:39 ` [PATCH v9 09/22] drm/mediatek: dpi: implement a swap_input " Guillaume Ranquet
2022-03-28 8:33 ` Rex-BC Chen
2022-03-27 22:39 ` [PATCH v9 10/22] drm/mediatek: dpi: move dimension mask to " Guillaume Ranquet
2022-03-28 8:33 ` Rex-BC Chen
2022-03-27 22:39 ` [PATCH v9 11/22] drm/mediatek: dpi: move hvsize_mask " Guillaume Ranquet
2022-03-28 8:34 ` Rex-BC Chen
2022-03-27 22:39 ` [PATCH v9 12/22] drm/mediatek: dpi: move swap_shift " Guillaume Ranquet
2022-03-28 8:20 ` AngeloGioacchino Del Regno
2022-03-28 8:34 ` Rex-BC Chen
2022-03-27 22:39 ` [PATCH v9 13/22] drm/mediatek: dpi: move the yuv422_en_bit " Guillaume Ranquet
2022-03-28 8:54 ` Rex-BC Chen
2022-03-27 22:39 ` [PATCH v9 14/22] drm/mediatek: dpi: move the csc_enable bit " Guillaume Ranquet
2022-03-28 8:35 ` Rex-BC Chen
2022-03-27 22:39 ` [PATCH v9 15/22] drm/mediatek: dpi: Add dpintf support Guillaume Ranquet
2022-03-28 8:38 ` Rex-BC Chen
2022-04-12 9:10 ` Guillaume Ranquet
2022-03-29 3:16 ` Rex-BC Chen
2022-04-12 9:12 ` Guillaume Ranquet
2022-03-27 22:39 ` [PATCH v9 16/22] drm/meditek: dpi: Add matrix_sel helper Guillaume Ranquet
2022-03-28 8:49 ` Rex-BC Chen
2022-04-12 9:37 ` Guillaume Ranquet
2022-03-27 22:39 ` [PATCH v9 17/22] phy: phy-mtk-dp: Add driver for DP phy Guillaume Ranquet
2022-03-28 8:20 ` AngeloGioacchino Del Regno
2022-04-12 9:04 ` Guillaume Ranquet
2022-03-27 22:39 ` [PATCH v9 18/22] drm/mediatek: Add mt8195 Embedded DisplayPort driver Guillaume Ranquet
2022-03-28 9:14 ` AngeloGioacchino Del Regno
2022-04-12 9:46 ` Guillaume Ranquet
2022-04-13 7:50 ` AngeloGioacchino Del Regno
2022-03-29 3:34 ` Rex-BC Chen
2022-04-12 9:48 ` Guillaume Ranquet
2022-03-29 5:41 ` Rex-BC Chen
2022-04-12 10:03 ` Guillaume Ranquet
2022-04-29 8:39 ` Maxime Ripard
2022-05-11 12:59 ` Guillaume Ranquet
2022-05-12 7:44 ` Maxime Ripard
2022-05-19 16:26 ` Guillaume Ranquet
2022-05-25 9:44 ` Maxime Ripard
2022-03-27 22:39 ` [PATCH v9 19/22] drm/mediatek: Add mt8195 External DisplayPort support Guillaume Ranquet
2022-03-27 22:39 ` [PATCH v9 20/22] drm/mediatek: add hpd debounce Guillaume Ranquet
2022-03-27 22:39 ` [PATCH v9 21/22] drm/mediatek: change the aux retries times when receiving AUX_DEFER Guillaume Ranquet
2022-03-28 1:46 ` Rex-BC Chen
2022-03-27 22:39 ` [PATCH v9 22/22] drm/mediatek: DP audio support for mt8195 Guillaume Ranquet
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