matrix bits of mt8183 is 12 matrix bits of mt8192 is 13
Signed-off-by: Yongqiang Niu yongqiang.niu@mediatek.com --- drivers/gpu/drm/mediatek/mtk_disp_ccorr.c | 23 ++++++++++++++++++++--- 1 file changed, 20 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ccorr.c b/drivers/gpu/drm/mediatek/mtk_disp_ccorr.c index 63b3ef6..755e75b 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_ccorr.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_ccorr.c @@ -30,8 +30,10 @@ #define DISP_CCORR_COEF_3 0x008C #define DISP_CCORR_COEF_4 0x0090
+#define CCORR_MATRIX_BITS 12 + struct mtk_disp_ccorr_data { - u32 reserved; + u32 matrix_bits; };
/** @@ -96,6 +98,8 @@ static void mtk_ccorr_ctm_set(struct mtk_ddp_comp *comp, uint16_t coeffs[9] = { 0 }; int i; struct cmdq_pkt *cmdq_pkt = NULL; + struct mtk_disp_ccorr *ccorr = comp_to_ccorr(comp); + u32 matrix_bits;
if (!blob) return; @@ -103,8 +107,16 @@ static void mtk_ccorr_ctm_set(struct mtk_ddp_comp *comp, ctm = (struct drm_color_ctm *)blob->data; input = ctm->matrix;
- for (i = 0; i < ARRAY_SIZE(coeffs); i++) + if (ccorr->data) + matrix_bits = ccorr->data->matrix_bits; + else + matrix_bits = CCORR_MATRIX_BITS; + + for (i = 0; i < ARRAY_SIZE(coeffs); i++) { coeffs[i] = mtk_ctm_s31_32_to_s1_10(input[i]); + if (matrix_bits > CCORR_MATRIX_BITS) + coeffs[i] <<= (matrix_bits - CCORR_MATRIX_BITS); + }
mtk_ddp_write(cmdq_pkt, coeffs[0] << 16 | coeffs[1], comp, DISP_CCORR_COEF_0); @@ -205,8 +217,13 @@ static int mtk_disp_ccorr_remove(struct platform_device *pdev) return 0; }
+static const struct mtk_disp_ccorr_data mt8183_ccorr_driver_data = { + .matrix_bits = CCORR_MATRIX_BITS, +}; + static const struct of_device_id mtk_disp_ccorr_driver_dt_match[] = { - { .compatible = "mediatek,mt8183-disp-ccorr"}, + { .compatible = "mediatek,mt8183-disp-ccorr", + .data = &mt8183_ccorr_driver_data}, {}, }; MODULE_DEVICE_TABLE(of, mtk_disp_ccorr_driver_dt_match);