Re: [PATCH v3 5/9] drm/mediatek: Add gamma support different lut_bits for other SoC

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Il 11/09/22 17:37, Jason-JH.Lin ha scritto:
Add lut_bits in gamma driver data for each SoC and adjust the usage
of lut_bits in mtk_drm_gamma_set_common().

Signed-off-by: Jason-JH.Lin <jason-jh.lin@xxxxxxxxxxxx>
---
  drivers/gpu/drm/mediatek/mtk_disp_gamma.c | 36 ++++++++++++++++-------
  1 file changed, 25 insertions(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/mediatek/mtk_disp_gamma.c b/drivers/gpu/drm/mediatek/mtk_disp_gamma.c
index e69d0b205b9a..155fb5d94d79 100644
--- a/drivers/gpu/drm/mediatek/mtk_disp_gamma.c
+++ b/drivers/gpu/drm/mediatek/mtk_disp_gamma.c
@@ -25,11 +25,14 @@
#define LUT_10BIT_MASK 0x03ff
  #define LUT_SIZE_DEFAULT			512 /* for setting gamma lut from AAL */
+#define LUT_BITS_DEFAULT			10
+#define LUT_INPUT_BITS				16 /* input lut bit from application */
struct mtk_disp_gamma_data {
  	bool has_dither;
  	bool lut_diff;
  	u16 lut_size;
+	u8 lut_bits;
  };
/*
@@ -72,17 +75,23 @@ void mtk_gamma_set_common(struct device *dev, void __iomem *regs, struct drm_crt
  	struct mtk_disp_gamma *gamma = dev_get_drvdata(dev);
  	bool lut_diff = false;
  	u16 lut_size = LUT_SIZE_DEFAULT;
+	u8 lut_bits = LUT_BITS_DEFAULT;

Please fix this double assignment like shown in the comment for patch [4/9].

Thanks,
Angelo




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