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path: root/drivers/gpu/drm/arm/malidp_hw.h
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Diffstat (limited to 'drivers/gpu/drm/arm/malidp_hw.h')
-rw-r--r--drivers/gpu/drm/arm/malidp_hw.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/gpu/drm/arm/malidp_hw.h b/drivers/gpu/drm/arm/malidp_hw.h
index 52a65a8a056f..a93ae0a951a3 100644
--- a/drivers/gpu/drm/arm/malidp_hw.h
+++ b/drivers/gpu/drm/arm/malidp_hw.h
@@ -71,6 +71,7 @@ enum malidp_scaling_coeff_set {
struct malidp_se_config {
u8 scale_enable : 1;
+ u8 enhancer_enable : 1;
u8 hcoeff : 3;
u8 vcoeff : 3;
u8 plane_src_id;
@@ -295,6 +296,25 @@ malidp_se_select_coeffs(u32 upscale_factor)
#undef FP_0_50000
#undef FP_0_66667
#undef FP_1_00000
+
+static inline void malidp_se_set_enh_coeffs(struct malidp_hw_device *hwdev)
+{
+ static const s32 enhancer_coeffs[] = {
+ -8, -8, -8, -8, 128, -8, -8, -8, -8
+ };
+ u32 val = MALIDP_SE_SET_ENH_LIMIT_LOW(MALIDP_SE_ENH_LOW_LEVEL) |
+ MALIDP_SE_SET_ENH_LIMIT_HIGH(MALIDP_SE_ENH_HIGH_LEVEL);
+ u32 image_enh = hwdev->map.se_base +
+ ((hwdev->map.features & MALIDP_REGMAP_HAS_CLEARIRQ) ?
+ 0x10 : 0xC) + MALIDP_SE_IMAGE_ENH;
+ u32 enh_coeffs = image_enh + MALIDP_SE_ENH_COEFF0;
+ int i;
+
+ malidp_hw_write(hwdev, val, image_enh);
+ for (i = 0; i < ARRAY_SIZE(enhancer_coeffs); ++i)
+ malidp_hw_write(hwdev, enhancer_coeffs[i], enh_coeffs + i * 4);
+}
+
/*
* background color components are defined as 12bits values,
* they will be shifted right when stored on hardware that