openwrt/target/linux/bcm27xx/patches-6.6/950-1223-drm-rp1-rp1-dpi-Add-DRM_FORMAT_ARGB8888-and-DRM_FORM.patch

From 9f0523de1b7ef122fae527326372a4ab5aa42fa6 Mon Sep 17 00:00:00 2001
From: Jan Kehren <jan.kehren@emteria.com>
Date: Tue, 20 Aug 2024 08:08:50 +0000
Subject: [PATCH 1223/1350] drm: rp1: rp1-dpi: Add DRM_FORMAT_ARGB8888 and
 DRM_FORMAT_ABGR8888

Android requires this.
As the underlying hardware doesn't support alpha blending,
we ignore the alpha value.

Signed-off-by: Jan Kehren <jan.kehren@emteria.com>
---
 drivers/gpu/drm/rp1/rp1-dpi/rp1_dpi.c    |  2 ++
 drivers/gpu/drm/rp1/rp1-dpi/rp1_dpi_hw.c | 12 ++++++++++++
 2 files changed, 14 insertions(+)

--- a/drivers/gpu/drm/rp1/rp1-dpi/rp1_dpi.c
+++ b/drivers/gpu/drm/rp1/rp1-dpi/rp1_dpi.c
@@ -260,6 +260,8 @@ static struct drm_driver rp1dpi_driver =
 static const u32 rp1dpi_formats[] = {
 	DRM_FORMAT_XRGB8888,
 	DRM_FORMAT_XBGR8888,
+	DRM_FORMAT_ARGB8888,
+	DRM_FORMAT_ABGR8888,
 	DRM_FORMAT_RGB888,
 	DRM_FORMAT_BGR888,
 	DRM_FORMAT_RGB565
--- a/drivers/gpu/drm/rp1/rp1-dpi/rp1_dpi_hw.c
+++ b/drivers/gpu/drm/rp1/rp1-dpi/rp1_dpi_hw.c
@@ -258,6 +258,18 @@ static const struct rp1dpi_ipixfmt my_fo
 	  .rgbsz  = BITS(DPI_DMA_RGBSZ_BPP, 3),
 	},
 	{
+	  .format = DRM_FORMAT_ARGB8888,
+	  .mask	  = IMASK_RGB(0x3fc, 0x3fc, 0x3fc),
+	  .shift  = ISHIFT_RGB(23, 15, 7),
+	  .rgbsz  = BITS(DPI_DMA_RGBSZ_BPP, 3),
+	},
+	{
+	  .format = DRM_FORMAT_ABGR8888,
+	  .mask	  = IMASK_RGB(0x3fc, 0x3fc, 0x3fc),
+	  .shift  = ISHIFT_RGB(7, 15, 23),
+	  .rgbsz  = BITS(DPI_DMA_RGBSZ_BPP, 3),
+	},
+	{
 	  .format = DRM_FORMAT_RGB888,
 	  .mask	  = IMASK_RGB(0x3fc, 0x3fc, 0x3fc),
 	  .shift  = ISHIFT_RGB(23, 15, 7),