From: Rex-BC Chen <rex-bc.chen@mediatek.com>
To: CK Hu <ck.hu@mediatek.com>,
Guillaume Ranquet <granquet@baylibre.com>,
Chun-Kuang Hu <chunkuang.hu@kernel.org>,
Philipp Zabel <p.zabel@pengutronix.de>,
David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
Maxime Ripard <mripard@kernel.org>,
Thomas Zimmermann <tzimmermann@suse.de>,
Matthias Brugger <matthias.bgg@gmail.com>,
Chunfeng Yun <chunfeng.yun@mediatek.com>,
"Kishon Vijay Abraham I" <kishon@ti.com>,
Vinod Koul <vkoul@kernel.org>, "Helge Deller" <deller@gmx.de>,
Jitao shi <jitao.shi@mediatek.com>
Cc: AngeloGioacchino Del Regno
<angelogioacchino.delregno@collabora.com>,
<dri-devel@lists.freedesktop.org>,
<linux-mediatek@lists.infradead.org>,
<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-phy@lists.infradead.org>, <linux-fbdev@vger.kernel.org>
Subject: Re: [PATCH v10 11/21] drm/mediatek: dpi: move swap_shift to SoC config
Date: Thu, 2 Jun 2022 20:19:05 +0800 [thread overview]
Message-ID: <1b2c534c189944b388ff7ca9adc013e8878fe37e.camel@mediatek.com> (raw)
In-Reply-To: <76ddd49bb2bb46923900b085056ce22d7bfa0b0a.camel@mediatek.com>
On Mon, 2022-05-30 at 16:38 +0800, CK Hu wrote:
> Hi, Guillaume:
>
> On Mon, 2022-05-23 at 12:47 +0200, Guillaume Ranquet wrote:
> > Add flexibility by moving the swap shift value to SoC specific
> > config
> >
> > Signed-off-by: Guillaume Ranquet <granquet@baylibre.com>
> > Reviewed-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
> > Reviewed-by: AngeloGioacchino Del Regno <
> > angelogioacchino.delregno@collabora.com>
> > ---
> > drivers/gpu/drm/mediatek/mtk_dpi.c | 8 +++++++-
> > 1 file changed, 7 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c
> > b/drivers/gpu/drm/mediatek/mtk_dpi.c
> > index 6eeda222a973..6d4d8c6ec47d 100644
> > --- a/drivers/gpu/drm/mediatek/mtk_dpi.c
> > +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c
> > @@ -131,6 +131,7 @@ struct mtk_dpi_conf {
> > u32 dimension_mask;
> > /* HSIZE and VSIZE mask (no shift) */
> > u32 hvsize_mask;
> > + u32 channel_swap_shift;
> > const struct mtk_dpi_yc_limit *limit;
> > };
> >
> > @@ -349,7 +350,8 @@ static void mtk_dpi_config_channel_swap(struct
> > mtk_dpi *dpi,
> > break;
> > }
> >
> > - mtk_dpi_mask(dpi, DPI_OUTPUT_SETTING, val << CH_SWAP,
> > CH_SWAP_MASK);
> > + mtk_dpi_mask(dpi, DPI_OUTPUT_SETTING, val << dpi->conf-
> > > channel_swap_shift,
> >
> > + CH_SWAP_MASK);
> > From the definiton:
>
> #define CH_SWAP 0
> +#define DPINTF_CH_SWAP BIT(1)
> #define CH_SWAP_MASK (0x7 << 0)
> +#define DPINTF_CH_SWAP_MASK (0x7 << 1)
>
> This statement should be:
>
> mtk_dpi_mask(dpi, DPI_OUTPUT_SETTING, val << dpi->conf-
> > channel_swap_shift, CH_SWAP_MASK << dpi->conf->channel_swap_shift);
>
> dpi->conf->channel_swap_shift is 1 for MT8195-DP_INTF and 0 for
> others.
> And drop the definition of DPINTF_CH_SWAP and DPINTF_CH_SWAP_MASK,
>
> Regards,
> CK
>
Hello CK,
I have checked this with Jitao,
it's all shift 1 bit including mask and value.
I will modify like this:
#define DPINTF_CH_SWAP 1
mtk_dpi_mask(dpi, DPI_OUTPUT_SETTING,
val << dpi->conf-> channel_swap_shift,
CH_SWAP_MASK << dpi->conf->channel_swap_shift);
BR,
Bo-Chen
>
> > }
> >
> > static void mtk_dpi_config_yuv422_enable(struct mtk_dpi *dpi, bool
> > enable)
> > @@ -821,6 +823,7 @@ static const struct mtk_dpi_conf mt8173_conf =
> > {
> > .swap_input_support = true,
> > .dimension_mask = HPW_MASK,
> > .hvsize_mask = HSIZE_MASK,
> > + .channel_swap_shift = CH_SWAP,
> > .limit = &mtk_dpi_limit,
> > };
> >
> > @@ -835,6 +838,7 @@ static const struct mtk_dpi_conf mt2701_conf =
> > {
> > .swap_input_support = true,
> > .dimension_mask = HPW_MASK,
> > .hvsize_mask = HSIZE_MASK,
> > + .channel_swap_shift = CH_SWAP,
> > .limit = &mtk_dpi_limit,
> > };
> >
> > @@ -848,6 +852,7 @@ static const struct mtk_dpi_conf mt8183_conf =
> > {
> > .swap_input_support = true,
> > .dimension_mask = HPW_MASK,
> > .hvsize_mask = HSIZE_MASK,
> > + .channel_swap_shift = CH_SWAP,
> > .limit = &mtk_dpi_limit,
> > };
> >
> > @@ -861,6 +866,7 @@ static const struct mtk_dpi_conf mt8192_conf =
> > {
> > .swap_input_support = true,
> > .dimension_mask = HPW_MASK,
> > .hvsize_mask = HSIZE_MASK,
> > + .channel_swap_shift = CH_SWAP,
> > .limit = &mtk_dpi_limit,
> > };
> >
>
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2022-06-02 12:19 UTC|newest]
Thread overview: 90+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-05-23 10:47 [PATCH v10 00/21] drm/mediatek: Add mt8195 DisplayPort driver Guillaume Ranquet
2022-05-23 10:47 ` [PATCH v10 01/21] dt-bindings: mediatek,dpi: Add DPINTF compatible Guillaume Ranquet
2022-05-23 12:33 ` Rob Herring
2022-05-24 3:29 ` Chunfeng Yun
2022-05-25 11:55 ` AngeloGioacchino Del Regno
2022-06-07 2:31 ` Rex-BC Chen
2022-05-25 12:49 ` Maxime Ripard
2022-06-07 2:35 ` Rex-BC Chen
2022-05-23 10:47 ` [PATCH v10 02/21] dt-bindings: mediatek,dp: Add Display Port binding Guillaume Ranquet
2022-05-24 3:35 ` Chunfeng Yun
2022-06-10 2:27 ` Rex-BC Chen
2022-05-25 15:30 ` AngeloGioacchino Del Regno
2022-06-10 2:29 ` Rex-BC Chen
2022-06-02 13:20 ` Rob Herring
2022-05-23 10:47 ` [PATCH v10 03/21] drm/edid: Convert cea_sad helper struct to kernelDoc Guillaume Ranquet
2022-05-23 10:57 ` Matthias Brugger
2022-06-07 2:44 ` Rex-BC Chen
2022-05-25 12:01 ` AngeloGioacchino Del Regno
2022-06-07 2:45 ` Rex-BC Chen
2022-05-23 10:47 ` [PATCH v10 04/21] drm/edid: Add cea_sad helpers for freq/length Guillaume Ranquet
2022-05-25 12:26 ` AngeloGioacchino Del Regno
2022-06-10 6:50 ` Rex-BC Chen
2022-05-23 10:47 ` [PATCH v10 05/21] video/hdmi: Add audio_infoframe packing for DP Guillaume Ranquet
2022-05-25 12:32 ` AngeloGioacchino Del Regno
2022-06-07 3:10 ` Rex-BC Chen
2022-05-23 10:47 ` [PATCH v10 06/21] drm/mediatek: dpi: move dpi limits to SoC config Guillaume Ranquet
2022-05-23 10:47 ` [PATCH v10 07/21] drm/mediatek: dpi: implement a CK/DE pol toggle in " Guillaume Ranquet
2022-05-30 7:44 ` CK Hu
2022-06-07 2:54 ` Rex-BC Chen
2022-05-23 10:47 ` [PATCH v10 08/21] drm/mediatek: dpi: implement a swap_input " Guillaume Ranquet
2022-05-30 7:50 ` CK Hu
2022-06-13 3:12 ` Rex-BC Chen
2022-05-23 10:47 ` [PATCH v10 09/21] drm/mediatek: dpi: move dimension mask to " Guillaume Ranquet
2022-05-30 7:55 ` CK Hu
2022-05-23 10:47 ` [PATCH v10 10/21] drm/mediatek: dpi: move hvsize_mask " Guillaume Ranquet
2022-05-30 8:21 ` CK Hu
2022-05-23 10:47 ` [PATCH v10 11/21] drm/mediatek: dpi: move swap_shift " Guillaume Ranquet
2022-05-30 8:38 ` CK Hu
2022-06-02 11:38 ` Rex-BC Chen
2022-06-02 12:19 ` Rex-BC Chen [this message]
2022-05-23 10:47 ` [PATCH v10 12/21] drm/mediatek: dpi: move the yuv422_en_bit " Guillaume Ranquet
2022-05-30 8:47 ` CK Hu
2022-05-23 10:47 ` [PATCH v10 13/21] drm/mediatek: dpi: move the csc_enable bit " Guillaume Ranquet
2022-05-23 10:47 ` [PATCH v10 14/21] drm/mediatek: dpi: Add dpintf support Guillaume Ranquet
2022-05-25 12:58 ` AngeloGioacchino Del Regno
2022-06-13 6:10 ` Rex-BC Chen
2022-06-02 5:48 ` Christophe JAILLET
2022-06-13 6:05 ` Rex-BC Chen
2022-05-23 10:47 ` [PATCH v10 15/21] drm/mediatek: dpi: Only enable dpi after the bridge is enabled Guillaume Ranquet
2022-05-23 10:47 ` [PATCH v10 16/21] drm/meditek: dpi: Add matrix_sel helper Guillaume Ranquet
2022-05-23 10:47 ` [PATCH v10 17/21] phy: phy-mtk-dp: Add driver for DP phy Guillaume Ranquet
2022-06-08 16:31 ` Vinod Koul
2022-05-23 10:47 ` [PATCH v10 18/21] drm/mediatek: Add mt8195 Embedded DisplayPort driver Guillaume Ranquet
2022-05-25 5:47 ` CK Hu
2022-05-30 9:34 ` CK Hu
2022-05-30 10:08 ` CK Hu
2022-06-07 6:21 ` CK Hu
2022-06-07 12:24 ` Rex-BC Chen
2022-06-08 2:23 ` CK Hu
2022-06-08 8:43 ` Rex-BC Chen
2022-06-08 9:15 ` CK Hu
2022-06-08 11:52 ` Rex-BC Chen
2022-06-07 6:44 ` CK Hu
2022-06-07 12:44 ` Rex-BC Chen
2022-06-08 2:44 ` CK Hu
2022-06-08 12:54 ` Rex-BC Chen
2022-06-07 7:30 ` CK Hu
2022-06-07 12:46 ` Rex-BC Chen
2022-06-07 7:47 ` CK Hu
2022-06-08 10:26 ` Rex-BC Chen
2022-06-09 2:30 ` CK Hu
2022-06-09 7:24 ` Rex-BC Chen
2022-06-07 8:01 ` CK Hu
2022-06-09 7:18 ` Rex-BC Chen
2022-06-07 8:12 ` CK Hu
2022-06-07 12:55 ` Rex-BC Chen
2022-06-07 9:04 ` CK Hu
2022-06-09 8:00 ` Rex-BC Chen
2022-06-08 8:30 ` CK Hu
2022-06-09 8:03 ` Rex-BC Chen
2022-06-08 8:45 ` CK Hu
2022-06-08 8:54 ` Rex-BC Chen
2022-06-09 9:37 ` CK Hu
2022-06-10 2:10 ` Rex-BC Chen
2022-05-23 10:47 ` [PATCH v10 19/21] drm/mediatek: Add mt8195 External DisplayPort support Guillaume Ranquet
2022-05-25 13:04 ` AngeloGioacchino Del Regno
2022-05-23 10:47 ` [PATCH v10 20/21] drm/mediatek: add hpd debounce Guillaume Ranquet
2022-05-23 10:47 ` [PATCH v10 21/21] drm/mediatek: DP audio support for mt8195 Guillaume Ranquet
2022-06-02 3:50 ` [PATCH v10 00/21] drm/mediatek: Add mt8195 DisplayPort driver Rex-BC Chen
2022-06-02 5:31 ` Rex-BC Chen
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