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drm/mediatek: dpi: Implement a swap_input toggle in SoC config

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The hardware design of dp_intf does not support input swap, so we add
a bit of flexibility to support SoCs without swap_input support.
We also add a warning message if the hardware is not supported and it
needs to swap input.

Signed-off-by: Guillaume Ranquet <granquet@baylibre.com>
Signed-off-by: Bo-Chen Chen <rex-bc.chen@mediatek.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Rex-BC Chen <rex-bc.chen@mediatek.com>
Link: https://patchwork.kernel.org/project/linux-mediatek/patch/20220701035845.16458-8-rex-bc.chen@mediatek.com/
Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
This commit is contained in:
Guillaume Ranquet 2022-07-01 11:58:36 +08:00 committed by Chun-Kuang Hu
parent cf060519e4
commit 3145095fae
1 changed files with 8 additions and 1 deletions
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9
drivers/gpu/drm/mediatek/mtk_dpi.c
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@ -121,6 +121,7 @@ struct mtk_dpi_yc_limit {
* @output_fmts: Array of supported output formats.
* @num_output_fmts: Quantity of supported output formats.
* @is_ck_de_pol: Support CK/DE polarity.
* @swap_input_support: Support input swap function.
*/
struct mtk_dpi_conf {
unsigned int (*cal_factor)(int clock);
@ -130,6 +131,7 @@ struct mtk_dpi_conf {
const u32 *output_fmts;
u32 num_output_fmts;
bool is_ck_de_pol;
bool swap_input_support;
};
static void mtk_dpi_mask(struct mtk_dpi *dpi, u32 offset, u32 val, u32 mask)
@ -393,7 +395,8 @@ static void mtk_dpi_config_color_format(struct mtk_dpi *dpi,
/* only support RGB888 */
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);
}
@ -804,6 +807,7 @@ 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,
};
static const struct mtk_dpi_conf mt2701_conf = {
@ -814,6 +818,7 @@ 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,
};
static const struct mtk_dpi_conf mt8183_conf = {
@ -823,6 +828,7 @@ 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,
};
static const struct mtk_dpi_conf mt8192_conf = {
@ -832,6 +838,7 @@ static const struct mtk_dpi_conf mt8192_conf = {
.output_fmts = mt8183_output_fmts,
.num_output_fmts = ARRAY_SIZE(mt8183_output_fmts),
.is_ck_de_pol = true,
.swap_input_support = true,
};
static int mtk_dpi_probe(struct platform_device *pdev)