From 97e659d4670fc78ef7e0d2e7500d54a402c0a0be Mon Sep 17 00:00:00 2001 From: "Lowry Li (Arm Technology China)" Date: Thu, 16 May 2019 07:13:09 +0100 Subject: [PATCH] drm/komeda: Update HW up-sampling on D71 Updates HW up-sampling method according to the format type. Signed-off-by: Lowry Li (Arm Technology China) Reviewed-by: James Qian Wang (Arm Technology China) Signed-off-by: Liviu Dudau --- .../arm/display/komeda/d71/d71_component.c | 29 +++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/drivers/gpu/drm/arm/display/komeda/d71/d71_component.c b/drivers/gpu/drm/arm/display/komeda/d71/d71_component.c index 7f4c23abc317..d467944f51a5 100644 --- a/drivers/gpu/drm/arm/display/komeda/d71/d71_component.c +++ b/drivers/gpu/drm/arm/display/komeda/d71/d71_component.c @@ -212,6 +212,35 @@ static void d71_layer_update(struct komeda_component *c, malidp_write32(reg, BLK_P1_PTR_HIGH, upper_32_bits(addr)); } + if (fb->format->is_yuv) { + u32 upsampling = 0; + + switch (kfb->format_caps->fourcc) { + case DRM_FORMAT_YUYV: + upsampling = fb->modifier ? LR_CHI422_BILINEAR : + LR_CHI422_REPLICATION; + break; + case DRM_FORMAT_UYVY: + upsampling = LR_CHI422_REPLICATION; + break; + case DRM_FORMAT_NV12: + case DRM_FORMAT_YUV420_8BIT: + case DRM_FORMAT_YUV420_10BIT: + case DRM_FORMAT_YUV420: + case DRM_FORMAT_P010: + /* these fmt support MPGE/JPEG both, here perfer JPEG*/ + upsampling = LR_CHI420_JPEG; + break; + case DRM_FORMAT_X0L2: + upsampling = LR_CHI420_JPEG; + break; + default: + break; + } + + malidp_write32(reg, LAYER_R_CONTROL, upsampling); + } + malidp_write32(reg, LAYER_FMT, kfb->format_caps->hw_id); malidp_write32(reg, BLK_IN_SIZE, HV_SIZE(st->hsize, st->vsize)); -- 2.30.2