Hi, Yongqiang:
Yongqiang Niu yongqiang.niu@mediatek.com 於 2021年1月7日 週四 上午11:12寫道：
not all SoC has dither function in gamma module dd private data to control this function setting
'add' ?
Signed-off-by: Yongqiang Niu yongqiang.niu@mediatek.com
drivers/gpu/drm/mediatek/mtk_disp_gamma.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_gamma.c b/drivers/gpu/drm/mediatek/mtk_disp_gamma.c index 8501821..4eab82a 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_gamma.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_gamma.c @@ -24,7 +24,7 @@ #define LUT_10BIT_MASK 0x03ff
struct mtk_disp_gamma_data {
u32 reserved;
bool has_dither;};
/** @@ -72,7 +72,8 @@ static void mtk_gamma_config(struct mtk_ddp_comp *comp, unsigned int w,
mtk_ddp_write(cmdq_pkt, h << 16 | w, comp, DISP_GAMMA_SIZE);
mtk_dither_set(comp, bpc, DISP_GAMMA_CFG, cmdq_pkt);
if (gamma->data && gamma->data->has_dither)mtk_dither_set(comp, bpc, DISP_GAMMA_CFG, cmdq_pkt);}
static void mtk_gamma_start(struct mtk_ddp_comp *comp) @@ -168,8 +169,13 @@ static int mtk_disp_gamma_remove(struct platform_device *pdev) return 0; }
+static const struct mtk_disp_gamma_data mt8173_gamma_driver_data = {
.has_dither = true,+};
static const struct of_device_id mtk_disp_gamma_driver_dt_match[] = {
{ .compatible = "mediatek,mt8173-disp-gamma"},
{ .compatible = "mediatek,mt8173-disp-gamma",.data = &mt8173_gamma_driver_data}, {},}; MODULE_DEVICE_TABLE(of, mtk_disp_gamma_driver_dt_match); -- 1.8.1.1.dirty _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek