drivers/soc/mediatek/mt8186-mmsys.h | 8 +++++--- drivers/soc/mediatek/mtk-mmsys.c | 27 ++++++++++++++++++++------ include/linux/soc/mediatek/mtk-mmsys.h | 7 +++++++ 3 files changed, 33 insertions(+), 9 deletions(-)
From: Xinlei Lee <xinlei.lee@mediatek.com>
The difference between MT8186 and other ICs is that when modifying the
output format, we need to modify the mmsys_base+0x400 register to take
effect.
So when setting the dpi output format, we need to call mmsys_func to set
it to MT8186 synchronously.
Adding mmsys all the settings that need to be modified with dpi are for mt8186.
Fixes: a071e52f75d1 ("soc: mediatek: Add mmsys func to adapt to dpi output for MT8186")
Signed-off-by: Xinlei Lee <xinlei.lee@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
---
drivers/soc/mediatek/mt8186-mmsys.h | 8 +++++---
drivers/soc/mediatek/mtk-mmsys.c | 27 ++++++++++++++++++++------
include/linux/soc/mediatek/mtk-mmsys.h | 7 +++++++
3 files changed, 33 insertions(+), 9 deletions(-)
diff --git a/drivers/soc/mediatek/mt8186-mmsys.h b/drivers/soc/mediatek/mt8186-mmsys.h
index 09b1ccbc0093..035aec1eb616 100644
--- a/drivers/soc/mediatek/mt8186-mmsys.h
+++ b/drivers/soc/mediatek/mt8186-mmsys.h
@@ -5,9 +5,11 @@
/* Values for DPI configuration in MMSYS address space */
#define MT8186_MMSYS_DPI_OUTPUT_FORMAT 0x400
-#define DPI_FORMAT_MASK 0x1
-#define DPI_RGB888_DDR_CON BIT(0)
-#define DPI_RGB565_SDR_CON BIT(1)
+#define DPI_FORMAT_MASK GENMASK(1, 0)
+#define DPI_RGB888_SDR_CON 0
+#define DPI_RGB888_DDR_CON 1
+#define DPI_RGB565_SDR_CON 2
+#define DPI_RGB565_DDR_CON 3
#define MT8186_MMSYS_OVL_CON 0xF04
#define MT8186_MMSYS_OVL0_CON_MASK 0x3
diff --git a/drivers/soc/mediatek/mtk-mmsys.c b/drivers/soc/mediatek/mtk-mmsys.c
index 2e20b24da363..95fbac5bd378 100644
--- a/drivers/soc/mediatek/mtk-mmsys.c
+++ b/drivers/soc/mediatek/mtk-mmsys.c
@@ -238,12 +238,27 @@ static void mtk_mmsys_update_bits(struct mtk_mmsys *mmsys, u32 offset, u32 mask,
void mtk_mmsys_ddp_dpi_fmt_config(struct device *dev, u32 val)
{
- if (val)
- mtk_mmsys_update_bits(dev_get_drvdata(dev), MT8186_MMSYS_DPI_OUTPUT_FORMAT,
- DPI_RGB888_DDR_CON, DPI_FORMAT_MASK);
- else
- mtk_mmsys_update_bits(dev_get_drvdata(dev), MT8186_MMSYS_DPI_OUTPUT_FORMAT,
- DPI_RGB565_SDR_CON, DPI_FORMAT_MASK);
+ struct mtk_mmsys *mmsys = dev_get_drvdata(dev);
+
+ switch (val) {
+ case MTK_DPI_RGB888_SDR_CON:
+ mtk_mmsys_update_bits(mmsys, MT8186_MMSYS_DPI_OUTPUT_FORMAT,
+ DPI_FORMAT_MASK, DPI_RGB888_SDR_CON);
+ break;
+ case MTK_DPI_RGB565_SDR_CON:
+ mtk_mmsys_update_bits(mmsys, MT8186_MMSYS_DPI_OUTPUT_FORMAT,
+ DPI_FORMAT_MASK, DPI_RGB565_SDR_CON);
+ break;
+ case MTK_DPI_RGB565_DDR_CON:
+ mtk_mmsys_update_bits(mmsys, MT8186_MMSYS_DPI_OUTPUT_FORMAT,
+ DPI_FORMAT_MASK, DPI_RGB565_DDR_CON);
+ break;
+ case MTK_DPI_RGB888_DDR_CON:
+ default:
+ mtk_mmsys_update_bits(mmsys, MT8186_MMSYS_DPI_OUTPUT_FORMAT,
+ DPI_FORMAT_MASK, DPI_RGB888_DDR_CON);
+ break;
+ }
}
EXPORT_SYMBOL_GPL(mtk_mmsys_ddp_dpi_fmt_config);
diff --git a/include/linux/soc/mediatek/mtk-mmsys.h b/include/linux/soc/mediatek/mtk-mmsys.h
index d2b02bb43768..b85f66db33e1 100644
--- a/include/linux/soc/mediatek/mtk-mmsys.h
+++ b/include/linux/soc/mediatek/mtk-mmsys.h
@@ -9,6 +9,13 @@
enum mtk_ddp_comp_id;
struct device;
+enum mtk_dpi_out_format_con {
+ MTK_DPI_RGB888_SDR_CON,
+ MTK_DPI_RGB888_DDR_CON,
+ MTK_DPI_RGB565_SDR_CON,
+ MTK_DPI_RGB565_DDR_CON
+};
+
enum mtk_ddp_comp_id {
DDP_COMPONENT_AAL0,
DDP_COMPONENT_AAL1,
--
2.18.0
Hi, Xinlei: On Fri, 2022-09-23 at 17:58 +0800, xinlei.lee@mediatek.com wrote: > From: Xinlei Lee <xinlei.lee@mediatek.com> > > The difference between MT8186 and other ICs is that when modifying > the > output format, we need to modify the mmsys_base+0x400 register to > take > effect. > So when setting the dpi output format, we need to call mmsys_func to > set > it to MT8186 synchronously. > Adding mmsys all the settings that need to be modified with dpi are > for mt8186. Reviewed-by: CK Hu <ck.hu@mediatek.com> > > Fixes: a071e52f75d1 ("soc: mediatek: Add mmsys func to adapt to dpi > output for MT8186") > > Signed-off-by: Xinlei Lee <xinlei.lee@mediatek.com> > Reviewed-by: AngeloGioacchino Del Regno < > angelogioacchino.delregno@collabora.com> > --- > drivers/soc/mediatek/mt8186-mmsys.h | 8 +++++--- > drivers/soc/mediatek/mtk-mmsys.c | 27 ++++++++++++++++++++-- > ---- > include/linux/soc/mediatek/mtk-mmsys.h | 7 +++++++ > 3 files changed, 33 insertions(+), 9 deletions(-) > > diff --git a/drivers/soc/mediatek/mt8186-mmsys.h > b/drivers/soc/mediatek/mt8186-mmsys.h > index 09b1ccbc0093..035aec1eb616 100644 > --- a/drivers/soc/mediatek/mt8186-mmsys.h > +++ b/drivers/soc/mediatek/mt8186-mmsys.h > @@ -5,9 +5,11 @@ > > /* Values for DPI configuration in MMSYS address space */ > #define MT8186_MMSYS_DPI_OUTPUT_FORMAT 0x400 > -#define DPI_FORMAT_MASK 0x1 > -#define DPI_RGB888_DDR_CON BIT(0) > -#define DPI_RGB565_SDR_CON BIT(1) > +#define DPI_FORMAT_MASK GENMASK > (1, 0) > +#define DPI_RGB888_SDR_CON 0 > +#define DPI_RGB888_DDR_CON 1 > +#define DPI_RGB565_SDR_CON 2 > +#define DPI_RGB565_DDR_CON 3 > > #define MT8186_MMSYS_OVL_CON 0xF04 > #define MT8186_MMSYS_OVL0_CON_MASK 0x3 > diff --git a/drivers/soc/mediatek/mtk-mmsys.c > b/drivers/soc/mediatek/mtk-mmsys.c > index 2e20b24da363..95fbac5bd378 100644 > --- a/drivers/soc/mediatek/mtk-mmsys.c > +++ b/drivers/soc/mediatek/mtk-mmsys.c > @@ -238,12 +238,27 @@ static void mtk_mmsys_update_bits(struct > mtk_mmsys *mmsys, u32 offset, u32 mask, > > void mtk_mmsys_ddp_dpi_fmt_config(struct device *dev, u32 val) > { > - if (val) > - mtk_mmsys_update_bits(dev_get_drvdata(dev), > MT8186_MMSYS_DPI_OUTPUT_FORMAT, > - DPI_RGB888_DDR_CON, > DPI_FORMAT_MASK); > - else > - mtk_mmsys_update_bits(dev_get_drvdata(dev), > MT8186_MMSYS_DPI_OUTPUT_FORMAT, > - DPI_RGB565_SDR_CON, > DPI_FORMAT_MASK); > + struct mtk_mmsys *mmsys = dev_get_drvdata(dev); > + > + switch (val) { > + case MTK_DPI_RGB888_SDR_CON: > + mtk_mmsys_update_bits(mmsys, > MT8186_MMSYS_DPI_OUTPUT_FORMAT, > + DPI_FORMAT_MASK, > DPI_RGB888_SDR_CON); > + break; > + case MTK_DPI_RGB565_SDR_CON: > + mtk_mmsys_update_bits(mmsys, > MT8186_MMSYS_DPI_OUTPUT_FORMAT, > + DPI_FORMAT_MASK, > DPI_RGB565_SDR_CON); > + break; > + case MTK_DPI_RGB565_DDR_CON: > + mtk_mmsys_update_bits(mmsys, > MT8186_MMSYS_DPI_OUTPUT_FORMAT, > + DPI_FORMAT_MASK, > DPI_RGB565_DDR_CON); > + break; > + case MTK_DPI_RGB888_DDR_CON: > + default: > + mtk_mmsys_update_bits(mmsys, > MT8186_MMSYS_DPI_OUTPUT_FORMAT, > + DPI_FORMAT_MASK, > DPI_RGB888_DDR_CON); > + break; > + } > } > EXPORT_SYMBOL_GPL(mtk_mmsys_ddp_dpi_fmt_config); > > diff --git a/include/linux/soc/mediatek/mtk-mmsys.h > b/include/linux/soc/mediatek/mtk-mmsys.h > index d2b02bb43768..b85f66db33e1 100644 > --- a/include/linux/soc/mediatek/mtk-mmsys.h > +++ b/include/linux/soc/mediatek/mtk-mmsys.h > @@ -9,6 +9,13 @@ > enum mtk_ddp_comp_id; > struct device; > > +enum mtk_dpi_out_format_con { > + MTK_DPI_RGB888_SDR_CON, > + MTK_DPI_RGB888_DDR_CON, > + MTK_DPI_RGB565_SDR_CON, > + MTK_DPI_RGB565_DDR_CON > +}; > + > enum mtk_ddp_comp_id { > DDP_COMPONENT_AAL0, > DDP_COMPONENT_AAL1,
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