| Message ID | 20220218145437.18563-11-granquet@baylibre.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | drm/mediatek: Add mt8195 DisplayPort driver | expand |
Hi, Guillaume: Guillaume Ranquet <granquet@baylibre.com> 於 2022年2月18日 週五 下午10:56寫道： > > Add flexibility by moving the swap shift value to board config > > Signed-off-by: Guillaume Ranquet <granquet@baylibre.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 0d3acd08ea358..ec221e24e0fee 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; > // Mask used for HSIZE and VSIZE (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 << CH_SWAP, > + CH_SWAP_MASK << dpi->conf->channel_swap_shift); This may be wrong because of these definition: #define DPINTF_CH_SWAP BIT(1) #define DPINTF_CH_SWAP_MASK (0x7 << 1) Regards, Chun-Kuang. > } > > 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, > }; > > -- > 2.34.1 >
Il 18/02/22 15:54, Guillaume Ranquet ha scritto: > Add flexibility by moving the swap shift value to board config > Same board->SoC as all the other commits.. > Signed-off-by: Guillaume Ranquet <granquet@baylibre.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 0d3acd08ea358..ec221e24e0fee 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; > // Mask used for HSIZE and VSIZE (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 << CH_SWAP, > + CH_SWAP_MASK << dpi->conf->channel_swap_shift); I would say that this should be instead: mtk_dpi_mask(dpi, DPI_OUTPUT_SETTING, val << dpi->conf->channel_swap_shift, CH_SWAP_MASK); > } > > 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, > }; >
Quoting Chun-Kuang Hu (2022-02-21 04:24:32) > Hi, Guillaume: > > Guillaume Ranquet <granquet@baylibre.com> 於 2022年2月18日 週五 下午10:56寫道： > > > > Add flexibility by moving the swap shift value to board config > > > > Signed-off-by: Guillaume Ranquet <granquet@baylibre.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 0d3acd08ea358..ec221e24e0fee 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; > > // Mask used for HSIZE and VSIZE (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 << CH_SWAP, > > + CH_SWAP_MASK << dpi->conf->channel_swap_shift); > > This may be wrong because of these definition: > > #define DPINTF_CH_SWAP BIT(1) > #define DPINTF_CH_SWAP_MASK (0x7 << 1) > > Regards, > Chun-Kuang. > You are right, DPINTF_CH_SWAP_MASK is unused, which is wrong on multiple levels. > > } > > > > 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, > > }; > > > > -- > > 2.34.1 > >
diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c index 0d3acd08ea358..ec221e24e0fee 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; // Mask used for HSIZE and VSIZE (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 << CH_SWAP, + CH_SWAP_MASK << dpi->conf->channel_swap_shift); } 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, };
Add flexibility by moving the swap shift value to board config Signed-off-by: Guillaume Ranquet <granquet@baylibre.com> --- drivers/gpu/drm/mediatek/mtk_dpi.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-)