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authorBo-Chen Chen <rex-bc.chen@mediatek.com>2022-07-05 13:25:28 +0300
committerChun-Kuang Hu <chunkuang.hu@kernel.org>2022-07-06 17:29:46 +0300
commit2587d8951b2f0e20a5e4a1f79b33f0b0932fb917 (patch)
tree22599fc865a3c1ba3d9550e0607be8f9f6919166 /drivers/gpu/drm/mediatek
parentc83da6233d05715a1e5841aa0b874faaa8150074 (diff)
downloadlinux-2587d8951b2f0e20a5e4a1f79b33f0b0932fb917.tar.xz
drm/mediatek: dpi: Add input_2pixel config support
The input pixel per iteration could be different, so we add a new config "input_2pixel" to control this. Signed-off-by: Bo-Chen Chen <rex-bc.chen@mediatek.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Link: https://patchwork.kernel.org/project/linux-mediatek/patch/20220705102530.1344-4-rex-bc.chen@mediatek.com/ Signed-off-by: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/mediatek')
-rw-r--r--drivers/gpu/drm/mediatek/mtk_dpi.c7
-rw-r--r--drivers/gpu/drm/mediatek/mtk_dpi_regs.h1
2 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c
index fcdd050fca99..5722fce06e39 100644
--- a/drivers/gpu/drm/mediatek/mtk_dpi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dpi.c
@@ -124,6 +124,8 @@ struct mtk_dpi_yc_limit {
* @is_ck_de_pol: Support CK/DE polarity.
* @swap_input_support: Support input swap function.
* @support_direct_pin: IP supports direct connection to dpi panels.
+ * @input_2pixel: Input pixel of dp_intf is 2 pixel per round, so enable this
+ * config to enable this feature.
* @dimension_mask: Mask used for HWIDTH, HPORCH, VSYNC_WIDTH and VSYNC_PORCH
* (no shift).
* @hvsize_mask: Mask of HSIZE and VSIZE mask (no shift).
@@ -141,6 +143,7 @@ struct mtk_dpi_conf {
bool is_ck_de_pol;
bool swap_input_support;
bool support_direct_pin;
+ bool input_2pixel;
u32 dimension_mask;
u32 hvsize_mask;
u32 channel_swap_shift;
@@ -588,6 +591,10 @@ static int mtk_dpi_set_display_mode(struct mtk_dpi *dpi,
mtk_dpi_dual_edge(dpi);
mtk_dpi_config_disable_edge(dpi);
}
+ if (dpi->conf->input_2pixel) {
+ mtk_dpi_mask(dpi, DPI_CON, DPINTF_INPUT_2P_EN,
+ DPINTF_INPUT_2P_EN);
+ }
mtk_dpi_sw_reset(dpi, false);
return 0;
diff --git a/drivers/gpu/drm/mediatek/mtk_dpi_regs.h b/drivers/gpu/drm/mediatek/mtk_dpi_regs.h
index 9ce300313f3e..305066577d41 100644
--- a/drivers/gpu/drm/mediatek/mtk_dpi_regs.h
+++ b/drivers/gpu/drm/mediatek/mtk_dpi_regs.h
@@ -40,6 +40,7 @@
#define FAKE_DE_LEVEN BIT(21)
#define FAKE_DE_RODD BIT(22)
#define FAKE_DE_REVEN BIT(23)
+#define DPINTF_INPUT_2P_EN BIT(29)
#define DPI_OUTPUT_SETTING 0x14
#define CH_SWAP 0