| Message ID | 20220523104758.29531-9-granquet@baylibre.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | drm/mediatek: Add mt8195 DisplayPort driver | expand |
Hi, Guillaume: On Mon, 2022-05-23 at 12:47 +0200, Guillaume Ranquet wrote: > Adds a bit of flexibility to support SoCs without swap_input support > > Signed-off-by: Guillaume Ranquet <granquet@baylibre.com> > Reviewed-by: AngeloGioacchino Del Regno < > angelogioacchino.delregno@collabora.com> > Reviewed-by: Rex-BC Chen <rex-bc.chen@mediatek.com> > --- > drivers/gpu/drm/mediatek/mtk_dpi.c | 14 +++++++++++--- > 1 file changed, 11 insertions(+), 3 deletions(-) > > diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c > b/drivers/gpu/drm/mediatek/mtk_dpi.c > index 545a1337cc89..454f8563efae 100644 > --- a/drivers/gpu/drm/mediatek/mtk_dpi.c > +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c > @@ -126,6 +126,7 @@ struct mtk_dpi_conf { > const u32 *output_fmts; > u32 num_output_fmts; > bool is_ck_de_pol; > + bool swap_input_support; > const struct mtk_dpi_yc_limit *limit; > }; > > @@ -378,18 +379,21 @@ static void mtk_dpi_config_color_format(struct > mtk_dpi *dpi, > (format == MTK_DPI_COLOR_FORMAT_YCBCR_444_FULL)) { > mtk_dpi_config_yuv422_enable(dpi, false); > mtk_dpi_config_csc_enable(dpi, true); > - mtk_dpi_config_swap_input(dpi, false); > + if (dpi->conf->swap_input_support) > + mtk_dpi_config_swap_input(dpi, false); > mtk_dpi_config_channel_swap(dpi, > MTK_DPI_OUT_CHANNEL_SWAP_BGR); > } else if ((format == MTK_DPI_COLOR_FORMAT_YCBCR_422) || > (format == MTK_DPI_COLOR_FORMAT_YCBCR_422_FULL)) { > mtk_dpi_config_yuv422_enable(dpi, true); > mtk_dpi_config_csc_enable(dpi, true); > - mtk_dpi_config_swap_input(dpi, true); > + if (dpi->conf->swap_input_support) > + mtk_dpi_config_swap_input(dpi, true); As [1], please keep in touch with Mediatek engineer. Regards, CK [1] https://patchwork.kernel.org/project/linux-mediatek/patch/20220218145437.18563-8-granquet@baylibre.com/ > mtk_dpi_config_channel_swap(dpi, > MTK_DPI_OUT_CHANNEL_SWAP_RGB); > } else { > mtk_dpi_config_yuv422_enable(dpi, false); > mtk_dpi_config_csc_enable(dpi, false); > - mtk_dpi_config_swap_input(dpi, false); > + if (dpi->conf->swap_input_support) > + mtk_dpi_config_swap_input(dpi, false); > mtk_dpi_config_channel_swap(dpi, > MTK_DPI_OUT_CHANNEL_SWAP_RGB); > } > } > @@ -808,6 +812,7 @@ static const struct mtk_dpi_conf mt8173_conf = { > .output_fmts = mt8173_output_fmts, > .num_output_fmts = ARRAY_SIZE(mt8173_output_fmts), > .is_ck_de_pol = true, > + .swap_input_support = true, > .limit = &mtk_dpi_limit, > }; > > @@ -819,6 +824,7 @@ static const struct mtk_dpi_conf mt2701_conf = { > .output_fmts = mt8173_output_fmts, > .num_output_fmts = ARRAY_SIZE(mt8173_output_fmts), > .is_ck_de_pol = true, > + .swap_input_support = true, > .limit = &mtk_dpi_limit, > }; > > @@ -829,6 +835,7 @@ static const struct mtk_dpi_conf mt8183_conf = { > .output_fmts = mt8183_output_fmts, > .num_output_fmts = ARRAY_SIZE(mt8183_output_fmts), > .is_ck_de_pol = true, > + .swap_input_support = true, > .limit = &mtk_dpi_limit, > }; > > @@ -839,6 +846,7 @@ static const struct mtk_dpi_conf mt8192_conf = { > .output_fmts = mt8173_output_fmts, > .num_output_fmts = ARRAY_SIZE(mt8173_output_fmts), > .is_ck_de_pol = true, > + .swap_input_support = true, > .limit = &mtk_dpi_limit, > }; >
On Mon, 2022-05-30 at 15:50 +0800, CK Hu wrote: > Hi, Guillaume: > > > On Mon, 2022-05-23 at 12:47 +0200, Guillaume Ranquet wrote: > > Adds a bit of flexibility to support SoCs without swap_input > > support > > > > Signed-off-by: Guillaume Ranquet <granquet@baylibre.com> > > Reviewed-by: AngeloGioacchino Del Regno < > > angelogioacchino.delregno@collabora.com> > > Reviewed-by: Rex-BC Chen <rex-bc.chen@mediatek.com> > > --- > > drivers/gpu/drm/mediatek/mtk_dpi.c | 14 +++++++++++--- > > 1 file changed, 11 insertions(+), 3 deletions(-) > > > > diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c > > b/drivers/gpu/drm/mediatek/mtk_dpi.c > > index 545a1337cc89..454f8563efae 100644 > > --- a/drivers/gpu/drm/mediatek/mtk_dpi.c > > +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c > > @@ -126,6 +126,7 @@ struct mtk_dpi_conf { > > const u32 *output_fmts; > > u32 num_output_fmts; > > bool is_ck_de_pol; > > + bool swap_input_support; > > const struct mtk_dpi_yc_limit *limit; > > }; > > > > @@ -378,18 +379,21 @@ static void > > mtk_dpi_config_color_format(struct > > mtk_dpi *dpi, > > (format == MTK_DPI_COLOR_FORMAT_YCBCR_444_FULL)) { > > mtk_dpi_config_yuv422_enable(dpi, false); > > mtk_dpi_config_csc_enable(dpi, true); > > - mtk_dpi_config_swap_input(dpi, false); > > + if (dpi->conf->swap_input_support) > > + mtk_dpi_config_swap_input(dpi, false); > > mtk_dpi_config_channel_swap(dpi, > > MTK_DPI_OUT_CHANNEL_SWAP_BGR); > > } else if ((format == MTK_DPI_COLOR_FORMAT_YCBCR_422) || > > (format == MTK_DPI_COLOR_FORMAT_YCBCR_422_FULL)) { > > mtk_dpi_config_yuv422_enable(dpi, true); > > mtk_dpi_config_csc_enable(dpi, true); > > - mtk_dpi_config_swap_input(dpi, true); > > + if (dpi->conf->swap_input_support) > > + mtk_dpi_config_swap_input(dpi, true); > > As [1], please keep in touch with Mediatek engineer. > > Regards, > CK > > [1] > https://patchwork.kernel.org/project/linux-mediatek/patch/20220218145437.18563-8-granquet@baylibre.com/ > Hello CK, the reason is the hardware design of dp_intf does not support input swap. I will add this in commit message. BRs, Bo-Chen > > mtk_dpi_config_channel_swap(dpi, > > MTK_DPI_OUT_CHANNEL_SWAP_RGB); > > } else { > > mtk_dpi_config_yuv422_enable(dpi, false); > > mtk_dpi_config_csc_enable(dpi, false); > > - mtk_dpi_config_swap_input(dpi, false); > > + if (dpi->conf->swap_input_support) > > + mtk_dpi_config_swap_input(dpi, false); > > mtk_dpi_config_channel_swap(dpi, > > MTK_DPI_OUT_CHANNEL_SWAP_RGB); > > } > > } > > @@ -808,6 +812,7 @@ static const struct mtk_dpi_conf mt8173_conf = > > { > > .output_fmts = mt8173_output_fmts, > > .num_output_fmts = ARRAY_SIZE(mt8173_output_fmts), > > .is_ck_de_pol = true, > > + .swap_input_support = true, > > .limit = &mtk_dpi_limit, > > }; > > > > @@ -819,6 +824,7 @@ static const struct mtk_dpi_conf mt2701_conf = > > { > > .output_fmts = mt8173_output_fmts, > > .num_output_fmts = ARRAY_SIZE(mt8173_output_fmts), > > .is_ck_de_pol = true, > > + .swap_input_support = true, > > .limit = &mtk_dpi_limit, > > }; > > > > @@ -829,6 +835,7 @@ static const struct mtk_dpi_conf mt8183_conf = > > { > > .output_fmts = mt8183_output_fmts, > > .num_output_fmts = ARRAY_SIZE(mt8183_output_fmts), > > .is_ck_de_pol = true, > > + .swap_input_support = true, > > .limit = &mtk_dpi_limit, > > }; > > > > @@ -839,6 +846,7 @@ static const struct mtk_dpi_conf mt8192_conf = > > { > > .output_fmts = mt8173_output_fmts, > > .num_output_fmts = ARRAY_SIZE(mt8173_output_fmts), > > .is_ck_de_pol = true, > > + .swap_input_support = true, > > .limit = &mtk_dpi_limit, > > }; > > > >
diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c index 545a1337cc89..454f8563efae 100644 --- a/drivers/gpu/drm/mediatek/mtk_dpi.c +++ b/drivers/gpu/drm/mediatek/mtk_dpi.c @@ -126,6 +126,7 @@ struct mtk_dpi_conf { const u32 *output_fmts; u32 num_output_fmts; bool is_ck_de_pol; + bool swap_input_support; const struct mtk_dpi_yc_limit *limit; }; @@ -378,18 +379,21 @@ static void mtk_dpi_config_color_format(struct mtk_dpi *dpi, (format == MTK_DPI_COLOR_FORMAT_YCBCR_444_FULL)) { mtk_dpi_config_yuv422_enable(dpi, false); mtk_dpi_config_csc_enable(dpi, true); - mtk_dpi_config_swap_input(dpi, false); + if (dpi->conf->swap_input_support) + mtk_dpi_config_swap_input(dpi, false); mtk_dpi_config_channel_swap(dpi, MTK_DPI_OUT_CHANNEL_SWAP_BGR); } else if ((format == MTK_DPI_COLOR_FORMAT_YCBCR_422) || (format == MTK_DPI_COLOR_FORMAT_YCBCR_422_FULL)) { mtk_dpi_config_yuv422_enable(dpi, true); mtk_dpi_config_csc_enable(dpi, true); - mtk_dpi_config_swap_input(dpi, true); + if (dpi->conf->swap_input_support) + mtk_dpi_config_swap_input(dpi, true); mtk_dpi_config_channel_swap(dpi, MTK_DPI_OUT_CHANNEL_SWAP_RGB); } else { mtk_dpi_config_yuv422_enable(dpi, false); mtk_dpi_config_csc_enable(dpi, false); - mtk_dpi_config_swap_input(dpi, false); + if (dpi->conf->swap_input_support) + mtk_dpi_config_swap_input(dpi, false); mtk_dpi_config_channel_swap(dpi, MTK_DPI_OUT_CHANNEL_SWAP_RGB); } } @@ -808,6 +812,7 @@ static const struct mtk_dpi_conf mt8173_conf = { .output_fmts = mt8173_output_fmts, .num_output_fmts = ARRAY_SIZE(mt8173_output_fmts), .is_ck_de_pol = true, + .swap_input_support = true, .limit = &mtk_dpi_limit, }; @@ -819,6 +824,7 @@ static const struct mtk_dpi_conf mt2701_conf = { .output_fmts = mt8173_output_fmts, .num_output_fmts = ARRAY_SIZE(mt8173_output_fmts), .is_ck_de_pol = true, + .swap_input_support = true, .limit = &mtk_dpi_limit, }; @@ -829,6 +835,7 @@ static const struct mtk_dpi_conf mt8183_conf = { .output_fmts = mt8183_output_fmts, .num_output_fmts = ARRAY_SIZE(mt8183_output_fmts), .is_ck_de_pol = true, + .swap_input_support = true, .limit = &mtk_dpi_limit, }; @@ -839,6 +846,7 @@ static const struct mtk_dpi_conf mt8192_conf = { .output_fmts = mt8173_output_fmts, .num_output_fmts = ARRAY_SIZE(mt8173_output_fmts), .is_ck_de_pol = true, + .swap_input_support = true, .limit = &mtk_dpi_limit, };