[PATCH 05/11] drm: meson: update VIU and VPP support for S4
From: Ao Xu via B4 Relay <devnull+ao.xu.amlogic.com@kernel.org>
Date: 2025-01-10 05:39:56
Also in:
b4-sent, dri-devel, linux-amlogic, linux-devicetree, lkml
Subsystem:
drm drivers, drm drivers and misc gpu patches, drm drivers for amlogic socs, the rest · Maintainers:
David Airlie, Simona Vetter, Maarten Lankhorst, Maxime Ripard, Thomas Zimmermann, Neil Armstrong, Linus Torvalds
From: Ao Xu <redacted> Update VIU and VPP initialization for S4 compatibility. VPP_MISC register definition was different with G12 SoCs, so disabled watermark control for S4. Signed-off-by: Ao Xu <redacted> --- drivers/gpu/drm/meson/meson_registers.h | 1 + drivers/gpu/drm/meson/meson_viu.c | 9 ++++++--- drivers/gpu/drm/meson/meson_vpp.c | 12 +++++++++--- 3 files changed, 16 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/meson/meson_registers.h b/drivers/gpu/drm/meson/meson_registers.h
index c62ee8bac272be035e92dbc8e743b2d4f864bc55..4017c3344b3f90686d1041eda4ff00a549ba6e54 100644
--- a/drivers/gpu/drm/meson/meson_registers.h
+++ b/drivers/gpu/drm/meson/meson_registers.h@@ -463,6 +463,7 @@ #define VPP_OSD2_ALPHA_PREMULT BIT(8) #define VPP_OSD1_ALPHA_PREMULT BIT(9) #define VPP_VD1_POSTBLEND BIT(10) +#define VPP_WATER_MARK_10BIT BIT(10) #define VPP_VD2_POSTBLEND BIT(11) #define VPP_OSD1_POSTBLEND BIT(12) #define VPP_OSD2_POSTBLEND BIT(13)
diff --git a/drivers/gpu/drm/meson/meson_viu.c b/drivers/gpu/drm/meson/meson_viu.c
index cd399b0b7181499218a8f969c0d320be88fd93c4..cb3646ccae68f3ce35b1148e5b5df98b0116da96 100644
--- a/drivers/gpu/drm/meson/meson_viu.c
+++ b/drivers/gpu/drm/meson/meson_viu.c@@ -425,7 +425,8 @@ 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_vpu_is_compatible(priv, VPU_COMPATIBLE_S4)) { meson_viu_set_g12a_osd1_matrix(priv, RGB709_to_YUV709l_coeff, true); /* fix green/pink color distortion from vendor u-boot */
@@ -440,7 +441,8 @@ void meson_viu_init(struct meson_drm *priv) VIU_OSD_WORDS_PER_BURST(4) | /* 4 words in 1 burst */ VIU_OSD_FIFO_LIMITS(2); /* fifo_lim: 2*16=32 */ - if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A)) + if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A) || + meson_vpu_is_compatible(priv, VPU_COMPATIBLE_S4)) reg |= (VIU_OSD_BURST_LENGTH_32 | VIU_OSD_HOLD_FIFO_LINES(31)); else reg |= (VIU_OSD_BURST_LENGTH_64 | VIU_OSD_HOLD_FIFO_LINES(4));
@@ -467,7 +469,8 @@ void meson_viu_init(struct meson_drm *priv) writel_relaxed(0x00FF00C0, priv->io_base + _REG(VD2_IF0_LUMA_FIFO_SIZE)); - if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A)) { + if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A) || + meson_vpu_is_compatible(priv, VPU_COMPATIBLE_S4)) { u32 val = (u32)VIU_OSD_BLEND_REORDER(0, 1) | (u32)VIU_OSD_BLEND_REORDER(1, 0) | (u32)VIU_OSD_BLEND_REORDER(2, 0) |
diff --git a/drivers/gpu/drm/meson/meson_vpp.c b/drivers/gpu/drm/meson/meson_vpp.c
index 5df1957c8e41f4e438545f91dd9eecb423e53b91..92e7d26abaa8771e5cc99a03e5a5ff32f5a48d30 100644
--- a/drivers/gpu/drm/meson/meson_vpp.c
+++ b/drivers/gpu/drm/meson/meson_vpp.c@@ -102,11 +102,13 @@ void meson_vpp_init(struct meson_drm *priv) priv->io_base + _REG(VPP_DUMMY_DATA1)); writel_relaxed(0x42020, priv->io_base + _REG(VPP_DUMMY_DATA)); - } else if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A)) + } else if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A) || + meson_vpu_is_compatible(priv, VPU_COMPATIBLE_S4)) writel_relaxed(0xf, priv->io_base + _REG(DOLBY_PATH_CTRL)); /* Initialize vpu fifo control registers */ - if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A)) + if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A) || + meson_vpu_is_compatible(priv, VPU_COMPATIBLE_S4)) writel_relaxed(VPP_OFIFO_SIZE_DEFAULT, priv->io_base + _REG(VPP_OFIFO_SIZE)); else
@@ -115,7 +117,8 @@ void meson_vpp_init(struct meson_drm *priv) writel_relaxed(VPP_POSTBLEND_HOLD_LINES(4) | VPP_PREBLEND_HOLD_LINES(4), priv->io_base + _REG(VPP_HOLD_LINES)); - if (!meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A)) { + if (!meson_vpu_is_compatible(priv, VPU_COMPATIBLE_G12A) && + !meson_vpu_is_compatible(priv, VPU_COMPATIBLE_S4)) { /* Turn off preblend */ writel_bits_relaxed(VPP_PREBLEND_ENABLE, 0, priv->io_base + _REG(VPP_MISC));
@@ -137,6 +140,9 @@ void meson_vpp_init(struct meson_drm *priv) priv->io_base + _REG(VPP_BLEND_VD2_H_START_END)); } + if (meson_vpu_is_compatible(priv, VPU_COMPATIBLE_S4)) + writel_bits_relaxed(VPP_WATER_MARK_10BIT, 0, priv->io_base + _REG(VPP_MISC)); + /* Disable Scalers */ writel_relaxed(0, priv->io_base + _REG(VPP_OSD_SC_CTRL0)); writel_relaxed(0, priv->io_base + _REG(VPP_OSD_VSC_CTRL0));
--
2.43.0