| Message ID | 20230506123549.101727-11-angelogioacchino.delregno@collabora.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | MediaTek DDP GAMMA - 12-bit LUT support | expand |
Hi Angelo, On Sat, 2023-05-06 at 14:35 +0200, AngeloGioacchino Del Regno wrote: > External email : Please do not click links or open attachments until > you have verified the sender or the content. > > > Disable relay mode at the end of LUT programming to make sure that > the > processed image goes through. > > Signed-off-by: AngeloGioacchino Del Regno < > angelogioacchino.delregno@collabora.com> Reviewed-by: Jason-JH.Lin <jason-jh.lin@mediatek.com> Regards, Jason-JH.Lin
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_gamma.c b/drivers/gpu/drm/mediatek/mtk_disp_gamma.c index c8ccc38c5170..450da7062db4 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_gamma.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_gamma.c @@ -20,6 +20,7 @@ #define DISP_GAMMA_EN 0x0000 #define GAMMA_EN BIT(0) #define DISP_GAMMA_CFG 0x0020 +#define GAMMA_RELAY_MODE BIT(0) #define GAMMA_LUT_EN BIT(1) #define GAMMA_DITHERING BIT(2) #define DISP_GAMMA_SIZE 0x0030 @@ -184,6 +185,9 @@ void mtk_gamma_set_common(struct device *dev, void __iomem *regs, struct drm_crt /* Enable the gamma table */ cfg_val |= FIELD_PREP(GAMMA_LUT_EN, 1); + /* Disable RELAY mode to pass the processed image */ + cfg_val &= ~GAMMA_RELAY_MODE; + writel(cfg_val, regs + DISP_GAMMA_CFG); }
Disable relay mode at the end of LUT programming to make sure that the processed image goes through. Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> --- drivers/gpu/drm/mediatek/mtk_disp_gamma.c | 4 ++++ 1 file changed, 4 insertions(+)