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authorDave Airlie <airlied@redhat.com>2021-08-12 23:37:31 +0300
committerDave Airlie <airlied@redhat.com>2021-08-12 23:37:40 +0300
commita1fa72683166b3c69511d5f2ffb37b9f49f48fea (patch)
tree82fccf192605e4a4fb30d625bd25625718e29a83 /drivers
parent3e234e9f7f812f20b4ec7011840f93eab816a29a (diff)
parentbf33677a3c394bb8fddd48d3bbc97adf0262e045 (diff)
downloadlinux-a1fa72683166b3c69511d5f2ffb37b9f49f48fea.tar.xz
Merge tag 'drm-misc-fixes-2021-08-12' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
Short summary of fixes pull: * meson: Fix colors when booting with HDR Signed-off-by: Dave Airlie <airlied@redhat.com> From: Thomas Zimmermann <tzimmermann@suse.de> Link: https://patchwork.freedesktop.org/patch/msgid/YRTb+qUuBYWjJDVg@linux-uq9g.fritz.box
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/meson/meson_registers.h5
-rw-r--r--drivers/gpu/drm/meson/meson_viu.c7
2 files changed, 11 insertions, 1 deletions
diff --git a/drivers/gpu/drm/meson/meson_registers.h b/drivers/gpu/drm/meson/meson_registers.h
index 446e7961da48..0f3cafab8860 100644
--- a/drivers/gpu/drm/meson/meson_registers.h
+++ b/drivers/gpu/drm/meson/meson_registers.h
@@ -634,6 +634,11 @@
#define VPP_WRAP_OSD3_MATRIX_PRE_OFFSET2 0x3dbc
#define VPP_WRAP_OSD3_MATRIX_EN_CTRL 0x3dbd
+/* osd1 HDR */
+#define OSD1_HDR2_CTRL 0x38a0
+#define OSD1_HDR2_CTRL_VDIN0_HDR2_TOP_EN BIT(13)
+#define OSD1_HDR2_CTRL_REG_ONLY_MAT BIT(16)
+
/* osd2 scaler */
#define OSD2_VSC_PHASE_STEP 0x3d00
#define OSD2_VSC_INI_PHASE 0x3d01
diff --git a/drivers/gpu/drm/meson/meson_viu.c b/drivers/gpu/drm/meson/meson_viu.c
index aede0c67a57f..259f3e6bec90 100644
--- a/drivers/gpu/drm/meson/meson_viu.c
+++ b/drivers/gpu/drm/meson/meson_viu.c
@@ -425,9 +425,14 @@ void meson_viu_init(struct meson_drm *priv)
if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXM) ||
meson_vpu_is_compatible(priv, VPU_COMPATIBLE_GXL))
meson_viu_load_matrix(priv);
- else if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A))
+ else if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A)) {
meson_viu_set_g12a_osd1_matrix(priv, RGB709_to_YUV709l_coeff,
true);
+ /* fix green/pink color distortion from vendor u-boot */
+ writel_bits_relaxed(OSD1_HDR2_CTRL_REG_ONLY_MAT |
+ OSD1_HDR2_CTRL_VDIN0_HDR2_TOP_EN, 0,
+ priv->io_base + _REG(OSD1_HDR2_CTRL));
+ }
/* Initialize OSD1 fifo control register */
reg = VIU_OSD_DDR_PRIORITY_URGENT |